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NSR database version of May 19, 2024.

Search: Author = A.Morales

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2023PE06      Phys.Rev. C 107, 044301 (2023)

L.G.Pedersen, E.Sahin, A.Gorgen, F.L.Bello Garrote, Y.Tsunoda, T.Otsuka, M.Niikura, S.Nishimura, Z.Xu, H.Baba, G.Benzoni, F.Browne, A.M.Bruce, S.Ceruti, F.C.L.Crespi, R.Daido, G.de Angelis, M.-C.Delattre, Zs.Dombradi, P.Doornenbal, Y.Fang, S.Franchoo, G.Gey, A.Gottardo, T.Isobe, P.R.John, H.S.Jung, I.Kojouharov, T.Kubo, N.Kurz, I.Kuti, Z.Li, G.Lorusso, I.Matea, K.Matsui, D.Mengoni, T.Miyazaki, V.Modamio, S.Momiyama, A.I.Morales, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, S.Rice, H.Sakurai, H.Schaffner, L.Sinclair, P.-A.Soderstrom, D.Sohler, I.G.Stefan, T.Sumikama, D.Suzuki, R.Taniuchi, J.Taprogge, Z.Vajta, J.J.Valiente-Dobon, H.Watanabe, V.Werner, J.Wu, A.Yagi, M.Yalcinkaya, R.Yokoyama, K.Yoshinaga

First spectroscopic study of odd-odd 78Cu

RADIOACTIVITY 78Ni(β-)[from 9Be(238U, X), E=345 MeV/nucleon]; measured Eγ, Iγ, βγ-coin, γγ-coin; deduced β-feeding, γ-transition intensities. 78Cu; deduced levels J, π, T1/2 of isomer state. Comparison with Monte Carlo shell model (MCSM) calculations. Wide-range active silicon-strip stopper array for beta and ion detection (WAS3ABi) with EURICA HPGe cluster det ector array at RIBF (RIKEN).

NUCLEAR STRUCTURE 78Cu; calculated levels, J, π, occupation numbers of proton and neutron orbitals, excitation energies of the negative-parity multiplets, configurations. Monte Carlo shell model calculations performed using A3DA-m interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.107.044301
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2023XU06      Phys.Rev.Lett. 131, 022501 (2023)

Z.Y.Xu, M.Madurga, R.Grzywacz, T.T.King, A.Algora, A.N.Andreyev, J.Benito, T.Berry, M.J.G.Borge, C.Costache, H.De Witte, A.Fijalkowska, L.M.Fraile, H.O.U.Fynbo, A.Gottardo, C.Halverson, L.J.Harkness-Brennan, J.Heideman, M.Huyse, A.Illana, L.Janiak, D.S.Judson, A.Korgul, T.Kurtukian-Nieto, I.Lazarus, R.Lica, R.Lozeva, N.Marginean, R.Marginean, C.Mazzocchi, C.Mihai, R.E.Mihai, A.I.Morales, R.D.Page, J.Pakarinen, M.Piersa-Silkowska, Z.Podolyak, P.Sarriguren, M.Singh, C.Sotty, M.Stepaniuk, O.Tengblad, A.Turturica, P.Van Duppen, V.Vedia, S.Vinals, N.Warr, R.Yokoyama, C.X.Yuan

133In: A Rosetta Stone for Decays of r-Process Nuclei

RADIOACTIVITY 133In(IT), (β-), (β-n); measured decay products, En, In, Eβ, Iβ, Eγ, Iγ; deduced excitation energy and decay strength, partial T1/2. Comparison with large-scale shell model (LSSM) calculations. The ISOLDE Decay Station (IDS), The Isotope Separator On-Line (ISOLDE) facility at CERN.

doi: 10.1103/PhysRevLett.131.022501
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2023XU08      Phys.Rev. C 108, 014314 (2023)

Z.Y.Xu, M.Madurga, R.Grzywacz, T.T.King, A.Algora, A.N.Andreyev, J.Benito, T.Berry, M.J.G.Borge, C.Costache, H.De Witte, A.Fijalkowska, L.M.Fraile, H.O.U.Fynbo, A.Gottardo, C.Halverson, L.J.Harkness-Brennan, J.Heideman, M.Huyse, A.Illana, L.Janiak, D.S.Judson, A.Korgul, T.Kurtukian-Nieto, I.Lazarus, R.Lica, R.Lozeva, N.Marginean, R.Marginean, C.Mazzocchi, C.Mihai, R.E.Mihai, A.I.Morales, R.D.Page, J.Pakarinen, M.Piersa-Silkowska, Zs.Podolyak, P.Sarriguren, M.Singh, Ch.Sotty, M.Stepaniuk, O.Tengblad, A.Turturica, P.Van Duppen, V.Vedia, S.Vinals, N.Warr, R.Yokoyama, C.X.Yuan

β-delayed neutron spectroscopy of 133In

RADIOACTIVITY 133,133mIn(β-)(β-n); decay products, neutron time-of-flight, En, In, Eβ, Iβ, Eγ, Iγ, βγ-coin, nβ-coin; deduced feeding intensities, neutron-emission probabilities, logft, β-decay strength distribution, Gamow-Teller transition. 133Sn; deduced levels, J, π, configurations. Comparison of 133Sn and 131Sn level schemes. The ISOLDE Decay Station (IDS) at The Isotope Separator On-Line (ISOLDE) facility at CERN.

doi: 10.1103/PhysRevC.108.014314
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2023YO04      Phys.Rev. C 108, 064307 (2023)

R.Yokoyama, R.Grzywacz, B.C.Rasco, N.Brewer, K.P.Rykaczewski, I.Dillmann, J.L.Tain, S.Nishimura, D.S.Ahn, A.Algora, J.M.Allmond, J.Agramunt, H.Baba, S.Bae, C.G.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, T.Davinson, C.Domingo-Pardo, A.Estrade, N.Fukuda, S.Go, C.J.Griffin, J.Ha, O.Hall, L.J.Harkness-Brennan, J.Heideman, T.Isobe, D.Kahl, M.Karny, T.Kawano, L.H.Khiem, T.T.King, G.G.Kiss, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Liang, J.Liu, G.Lorusso, M.Madurga, K.Matsui, K.Miernik, F.Montes, A.I.Morales, P.Morrall, N.Nepal, R.D.Page, V.H.Phong, M.Piersa-Silkowska, M.Prydderch, V.F.E.Pucknell, M.M.Rajabali, B.Rubio, Y.Saito, H.Sakurai, Y.Shimizu, J.Simpson, M.Singh, D.W.Stracener, T.Sumikama, H.Suzuki, H.Takeda, A.Tarifeno-Saldivia, S.L.Thomas, A.Tolosa-Delgado, M.Wolinska-Cichocka, P.J.Woods, X.X.Xu

β-delayed neutron emissions from N>50 gallium isotopes

doi: 10.1103/PhysRevC.108.064307
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2022KI23      Astrophys.J. 936, 107 (2022)

G.G.Kiss, A.Vitez-Sveiczer, Y.Saito, A.Tarifeno-Saldivia, M.Pallas, J.L.Tain, I.Dillmann, J.Agramunt, A.Algora, C.Domingo-Pardo, A.Estrade, C.Appleton, J.M.Allmond, P.Aguilera, H.Baba, N.T.Brewer, C.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, T.Davinson, N.Fukuda, Z.Ge, S.Go, C.J.Griffin, R.K.Grzywacz, O.Hall, A.Horvath, J.Ha, L.J.Harkness-Brennan, T.Isobe, D.Kahl, T.T.King, A.Korgul, S.Kovacs, R.Krucken, S.Kubono, M.Labiche, J.Liu, J.Liang, M.Madurga, K.Miernik, F.Molina, A.I.Morales, M.R.Mumpower, E.Nacher, A.Navarro, N.Nepal, S.Nishimura, M.Piersa-Silkowska, V.Phong, B.C.Rasco, B.Rubio, K.P.Rykaczewski, J.Romero-Barrientos, H.Sakurai, L.Sexton, Y.Shimizu, M.Singh, T.Sprouse, T.Sumikama, R.Surman, H.Suzuki, T.N.Szegedi, H.Takeda, A.Tolosa, K.Wang, M.Wolinska-Cichocka, P.Woods, R.Yokoyama, Z.Xu

Measuring the β-decay Properties of Neutron-rich Exotic Pm, Sm, Eu, and Gd Isotopes to Constrain the Nucleosynthesis Yields in the Rare-earth Region

NUCLEAR REACTIONS 9Be(238U, X), E=345 MeV/nucleon; measured reaction products, TOF, Eβ, Iβ. 159,160,161,162,163,164,165,166Pm, 161,162,163,164,165,166,167,168Sm, 165,166,167,168,169,170Eu, 167,168,169,170,171,172Gd; deduced new isotopes T1/2 and β-delayed neutron emission probabilities, relative r-process abundance pattern for the neutron-star merger scenario. RIKEN Nishina Center, the Advanced Implantation Detector Array (AIDA) and the BRIKEN neutron detector array.

doi: 10.3847/1538-4357/ac80fc
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2022PH01      Phys.Rev.Lett. 129, 172701 (2022)

V.H.Phong, S.Nishimura, G.Lorusso, T.Davinson, A.Estrade, O.Hall, T.Kawano, J.Liu, F.Montes, N.Nishimura, R.Grzywacz, K.P.Rykaczewski, J.Agramunt, D.S.Ahn, A.Algora, J.M.Allmond, H.Baba, S.Bae, N.T.Brewer, C.G.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, I.Dillmann, C.Domingo-Pardo, A.Fijalkowska, N.Fukuda, S.Go, C.J.Griffin, J.Ha, L.J.Harkness-Brennan, T.Isobe, D.Kahl, L.H.Khiem, G.G.Kiss, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Liang, Z.Liu, K.Matsui, K.Miernik, B.Moon, A.I.Morales, P.Morrall, N.Nepal, R.D.Page, M.Piersa-Silkowska, V.F.E.Pucknell, B.C.Rasco, B.Rubio, H.Sakurai, Y.Shimizu, D.W.Stracener, T.Sumikama, H.Suzuki, J.L.Tain, H.Takeda, A.Tarifeno-Saldivia, A.Tolosa-Delgado

β-Delayed One and Two Neutron Emission Probabilities Southeast of 132Sn and the Odd-Even Systematics in r-Process Nuclide Abundances

NUCLEAR REACTIONS 9Be(238U, F)121Rh/122Rh/123Rh/124Rh/125Rh/123Pd/124Pd/125Pd/126Pd/127Pd/128Pd/126Ag/127Ag/128Ag/129Ag/130Ag/131Ag/129Cd/130Cd/131Cd/132Cd/133Cd/134Cd/131In/132In/133In/134In/135In/136In/134Sn/135Sn/136Sn/137Sn/138Sn/139Sn/138Sb/139Sb/140Sb/141Sb, E=345 MeV/nucleon; measured fission fragments using BigRIPS and ZeroDegree spectrometers at RIBF-RIKEN facility for separation of fragments by A/Q and Z through measurements of time-of-flight (TOF), magnetic rigidity (Bρ) and energy loss (ΔE); deduced A/Q versus Z particle identification plots.

RADIOACTIVITY 129,130,131Ag, 130,131,132,133Cd, 134Cd, 131,132,133,134,135,136In, 134,135,136,137,138,139Sn(β-), (β-n), (β-2n)[from 9Be(238U, F), E=345 MeV/nucleon]; measured implanted ions, neutrons, β, γ, (implants)β-, (implants)β(1n)- and (implants)β(2n)-correlations, T1/2 of decays of ground states using BRIKEN neutron counter with 140 3He-filled proportional counters, AIDA array of DSSSDs for implants and β decays, two Clover HPGe detectors for γ radiation, and two thick plastic scintillators; deduced T1/2, %β-n or Pn, %β-2n or P2n from simultaneous fits of β-, β-1n and β-2n-decay curves. Comparison with previous experimental results, and with theoretical predictions from quasiparticle random-phase approximation (QRPA), based on finite range droplet model (FRDM) and the relativistic Hartree-Bogoliubov (RHB) plus proton-neutron QRPA (pnQRPA).

doi: 10.1103/PhysRevLett.129.172701
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2022VI03      Phys.Lett. B 830, 137123 (2022)

A.Vitez-Sveiczer, A.Algora, A.I.Morales, B.Rubio, G.G.Kiss, P.Sarriguren, P.Van Isacker, G.de Angelis, F.Recchia, S.Nishimura, J.Agramunt, V.Guadilla, A.Montaner-Piza, S.E.A.Orrigo, A.Horvath, D.Napoli, S.Lenzi, A.Boso, V.H.Phong, J.Wu, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, D.S.Ahn, H.Baba, P.Doornebal, N.Fukuda, N.Inabe, T.Isobe, T.Kubo, S.Kubono, H.Sakurai, Y.Shimizu, C.Sidong, B.Blank, P.Ascher, M.Gerbaux, T.Goigoux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, W.Gelletly, Zs.Dombradi, Y.Fujita, M.Tanaka, P.Aguilera, F.Molina, J.Eberth, F.Diel, D.Lubos, C.Borcea, E.Ganioglu, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, W.Korten, G.de France, P.Davies, J.Liu, J.Lee, T.Lokotko, I.Kojouharov, N.Kurz, H.Shaffner, A.Petrovici

The β-decay of 70Kr into 70Br: Restoration of the pseudo-SU(4) symmetry

RADIOACTIVITY 70Kr(EC), (β+p) [from 9Be(78Kr, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies, partial level scheme, T1/2, log ft, B(GT), β-delayed proton emission probability, an approximate realization of pseudo-SU(4) symmetry in the system. Comparison with the proton-neutron quasiparticle random-phase approximation (pnQRPA) calculations. The Radioactive Ion Beam Factory (RIBF) of the RIKEN Nishina Center using the BigRIPS fragment separator, the ZeroDegree Spectrometer, the WAS3ABI implantation station and the EURICA HPGe cluster array.

doi: 10.1016/j.physletb.2022.137123
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2022WU18      Phys.Rev. C 106, 064328 (2022)

J.Wu, S.Nishimura, P.-A.Soderstrom, A.Algora, J.J.Liu, V.H.Phong, Y.Q.Wu, F.R.Xu, J.Agramunt, D.S.Ahn, T.A.Berry, C.G.Bruno, J.J.Bundgaard, R.Caballero-Folch, A.C.Dai, T.Davinson, I.Dillmann, A.Estrade, A.Fijalkowska, N.Fukuda, S.Go, R.K.Grzywacz, T.Isobe, S.Kubono, G.Lorusso, K.Matsui, A.I.Morales, N.Nepal, S.E.A.Orrigo, B.C.Rasco, K.P.Rykaczewski, H.Sakurai, Y.Shimizu, D.W.Stracener, T.Sumikama, H.Suzuki, J.L.Tain, H.Takeda, A.Tarifeno-Saldivia, A.Tolosa-Delgado, M.Wolinska-Cichocka, R.Yokoyama

First observation of isomeric states in 111Zr, 113Nb, and 115Mo

NUCLEAR REACTIONS 235U(9Be, X)111mZr/113mNb/115mMo, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ, (fragment)γ-coin; deduced isomeric ratios. 111Zr, 113Nb, 115Mo; deduced isomeric states energy, transition energies. 115Mo; deduced levels, relative γ-transition intensities. Large-acceptance BigRIPS and ZeroDegree spectrometers coupled with HPGe clover-type detectors at RIBF.

RADIOACTIVITY 111Zr, 113Nb, 115Mo(IT)[from 235U(9Be, X), E=345 MeV/nucleon]; measured Eγ, Iγ; deduced T1/2 for isomeric states decay, reduced transition probabilities for transitions depopulating the isomeric state by assuming different multipolarities.

doi: 10.1103/PhysRevC.106.064328
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2022ZA05      Phys.Lett. B 834, 137457 (2022)

L.Zago, A.Gottardo, J.J.Valiente-Dobon, G.Benzoni, A.Gadea, M.Gorska, S.Lunardi, Zs.Podolyak, P.H.Regan, D.Rudolph, A.Algora, G.de Angelis, D.Bazzacco, J.Benlliure, P.Boutachkov, A.Bracco, A.M.Bruce, F.Camera, E.Casarejos, M.L.Cortes, F.C.L.Crespi, A.Corsi, C.Domingo-Pardo, M.Doncel, T.Engert, H.Geissel, J.Gerl, A.Goasduff, N.Goel, J.Grebosz, E.Gregor, T.Habermann, S.Klupp, I.Kojouharov, N.Kurz, S.M.Lenzi, S.Leoni, S.Mandal, R.Menegazzo, D.Mengoni, B.Million, A.I.Morales, D.R.Napoli, F.Naqvi, C.Nociforo, M.Pfutzner, S.Pietri, A.Prochazka, F.Recchia, E.Sahin, H.Schaffner, A.Sharma, B.Sitar, D.Siwal, P.Strmen, I.Szarka, C.A.Ur, P.M.Walker, H.Weick, O.Wieland, H.-J.Wollersheim

High-spin states in 212Po above the α-decaying (18+) isomer

NUCLEAR REACTIONS 9Be(238U, X), E=1 GeV/nucleon; measured reaction products, isotope identification matrix, Eγ, Iγ, T1/2 of isomers by γ(t) using RISING array of 105 Ge detectors and the FRS separator at the GSI UNILAC-SIS18 facility. 212Po; deduced high-spin levels, J, π, T1/2 of two micro-sec isomers, multipolarity, configuration, transition probabilities. 204mTl, 205m,206mPb, 207Bi, 210m,211mPo; compiled measured isomer ratios from literature, and compared with theoretical predictions from the sharp cut-off model. Comparison with shell-model calculations.

doi: 10.1016/j.physletb.2022.137457
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2021ES05      Phys.Rev. C 103, 064328 (2021)

S.Escrig, A.I.Morales, S.Nishimura, M.Niikura, A.Poves, Z.Y.Xu, G.Lorusso, F.Browne, P.Doornenbal, G.Gey, H.-S.Jung, Z.Li, P.-A.Soderstrom, T.Sumikama, J.Taprogge, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, H.Baba, S.Franchoo, T.Isobe, P.R.John, I.Kojouharov, S.Kubono, N.Kurz, I.Matea, K.Matsui, D.Mengoni, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, E.Sahin, H.Sakurai, H.Schaffner, I.G.Stefan, D.Suzuki, R.Taniuchi, V.Werner, D.Sohler

Persistence of the Z=28 shell gap in A=75 isobars: Identification of a possible (1/2-)μs isomer in 75Co and β decay to 75Ni

RADIOACTIVITY 75mCo(IT); 75Co(β-), (β-n)[from in-flight fission in 9Be(238U, F), E=345 MeV/nucleon, followed by separation of fragments of interest using BigRIPS separator and ZeroDegree spectrometer (ZDS) at RIBF-RIKEN facility]; measured Eγ, Iγ, βγ- and βγγ-coin, half-life of 75mCo decay by (ion)γ(t) using active beam stopper WAS3ABi with double-sided silicon strips detectors (DSSSDs) for fragment and β detection and EURICA array of 12 clusters HPGe detectors for γ rays. 74,75Ni; deduced levels, J, π, multipolarities of two transitions, configurations, β feedings, β-n feedings, logft values. 75Co; deduced lower limit of %β-n. 75mCo; deduced isomer, energy, J, π, transition multipolarity and half-life of the micro-sec isomer. Comparison with the large-scale shell-model calculations using PFSDG-U interaction in the pf-sdg space. Systematics of low-lying levels in 69,71,73,75Co.

doi: 10.1103/PhysRevC.103.064328
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2021HA19      Phys.Lett. B 816, 136266 (2021)

O.Hall, T.Davinson, A.Estrade, J.Liu, G.Lorusso, F.Montes, S.Nishimura, V.H.Phong, P.J.Woods, J.Agramunt, D.S.Ahn, A.Algora, J.M.Allmond, H.Baba, S.Bae, N.T.Brewer, C.G.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, I.Dillmann, C.Domingo-Pardo, A.Fijalkowska, N.Fukuda, S.Go, C.J.Griffin, R.Grzywacz, J.Ha, L.J.Harkness-Brennan, T.Isobe, D.Kahl, L.H.Khiem, G.G.Kiss, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Liang, Z.Liu, K.Matsui, K.Miernik, B.Moon, A.I.Morales, P.Morrall, M.R.Mumpower, N.Nepal, R.D.Page, M.Piersa, V.F.E.Pucknell, B.C.Rasco, B.Rubio, K.P.Rykaczewski, H.Sakurai, Y.Shimizu, D.W.Stracener, T.Sumikama, H.Suzuki, J.L.Tain, H.Takeda, A.Tarifeno-Saldivia, A.Tolosa-Delgado, M.Wolinska-Cichocka, R.Yokoyama

β-delayed neutron emission of r-process nuclei at the N = 82 shell closure

RADIOACTIVITY 115,116Tc, 116,117,118,119,120,121Ru, 118,119,120,121,122,123,124Rh, 121,122,123,124,125,126,127,128Pd, 124,125,126,127,128,129Ag, 127,128,129,130Cd(β-n) [from 9Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eβ, Iβ, En, In; deduced β-delayed neutron emission probabilities, T1/2. RIKEN using the Advanced Implantation Detector Array (AIDA) and the BRIKEN neutron detector array.

doi: 10.1016/j.physletb.2021.136266
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2021OR01      Phys.Rev. C 103, 014324 (2021)

S.E.A.Orrigo, B.Rubio, W.Gelletly, P.Aguilera, A.Algora, A.I.Morales, J.Agramunt, D.S.Ahn, P.Ascher, B.Blank, C.Borcea, A.Boso, R.B.Cakirli, J.Chiba, G.de Angelis, G.de France, F.Diel, P.Doornenbal, Y.Fujita, N.Fukuda, E.Ganioglu, M.Gerbaux, J.Giovinazzo, S.Go, T.Goigoux, S.Grevy, V.Guadilla, N.Inabe, G.G.Kiss, T.Kubo, S.Kubono, T.Kurtukian-Nieto, D.Lubos, C.Magron, F.Molina, A.Montaner-Piza, D.Napoli, D.Nishimura, S.Nishimura, H.Oikawa, V.H.Phong, H.Sakurai, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, Y.Takei, M.Tanaka, J.Wu, S.Yagi

β decay of the very neutron-deficient 60Ge and 62Ge nuclei

RADIOACTIVITY 59Zn, 60Ga, 60,62Ge(EC), (β+); 62Ge(β+p)[60,62Ge activities from 9Be(78Kr, X), E=345 MeV/nucleon at RIBF-RIKEN]; measured Eγ, Iγ, Ep, Ip, β+γ-, β+pγ- and γγ-coin, γ(implants)- and p(implants)-correlations, half-lives of decays of 60Ga, 60,62Ge using the WAS3ABi and EURICA arrays. 60Ge; deduced β+-delayed proton branching ratio. 60,62Ga, 59,60Zn, 59Cu; deduced levels, J, π, β feedings, Fermi and B(F) and Gamow-Teller B(GT) transition strengths, mass excesses of 60,62Ge, and 60Ga by analysis of IMME for A=60 nuclei. Comparison with previous experimental data.

NUCLEAR REACTIONS 9Be(78Kr, X), E=345 MeV/nucleon; measured reaction products, Z versus A/Q identification plot for nuclei of Z=28-36 and A/Q=1.85-1.95, with fragments separated using the BigRIPS separator and ZeroDegree spectrometer at RIBF-RIKEN facility, with main emphasis on the production of 60,62Ge.

doi: 10.1103/PhysRevC.103.014324
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2021VA03      Phys.Lett. B 816, 136183 (2021)

J.J.Valiente-Dobon, A.Gottardo, G.Benzoni, A.Gadea, S.Lunardi, A.Algora, G.de Angelis, D.Bazzacco, J.Benlliure, P.Boutachkov, A.Bracco, A.M.Bruce, F.Camera, E.Casarejos, M.L.Cortes, F.C.L.Crespi, A.Corsi, C.Domingo-Pardo, M.Doncel, T.Engert, H.Geissel, J.Gerl, A.Goasduff, N.Goel, M.Gorska, J.Grebosz, E.Gregor, T.Habermann, S.Klupp, I.Kojouharov, N.Kurz, S.M.Lenzi, S.Leoni, S.Mandal, R.Menegazzo, D.Mengoni, B.Million, A.I.Morales, D.R.Napoli, F.Naqvi, C.Nociforo, M.Pfutzner, S.Pietri, Zs.Podolyak, A.Prochazka, F.Recchia, P.H.Regan, D.Rudolph, E.Sahin, H.Schaffner, A.Sharma, B.Sitar, D.Siwal, P.Strmen, I.Szarka, C.A.Ur, P.M.Walker, H.Weick, O.Wieland, H.-J.Wollersheim, P.Van Isacker

Manifestation of the Berry phase in the atomic nucleus 213Pb

RADIOACTIVITY 213Pb(IT) [from 9Be(238U, X)213Pb, E=1 GeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, T1/2, isomer decays with asymmetric E2 transition probabilities, Berry phase.

doi: 10.1016/j.physletb.2021.136183
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2021WA15      Phys.Lett. B 814, 136088 (2021)

H.Watanabe, Y.X.Watanabe, Y.Hirayama, A.N.Andreyev, T.Hashimoto, F.G.Kondev, G.J.Lane, Yu.A.Litvinov, J.J.Liu, H.Miyatake, J.Y.Moon, A.I.Morales, M.Mukai, S.Nishimura, T.Niwase, M.Rosenbusch, P.Schury, Y.Shi, M.Wada, P.M.Walker

Beta decay of the axially asymmetric ground state of 192Re

RADIOACTIVITY 192Re(β-) [from Pt(136Xe, X)192Re, E=10.75 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, level scheme, J, π. Comparison with single-particle structure using the nuclear Skyrme-Hartree-Fock model. KEK Isotope Separation System (KISS) in RIKEN Nishina Center.

doi: 10.1016/j.physletb.2021.136088
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2020AV04      Phys.Lett. B 811, 135951 (2020)

R.Avigo, O.Wieland, A.Bracco, F.Camera, F.Ameil, T.Arici, A.Atac, D.Barrientos, D.Bazzacco, P.Bednarczyk, G.Benzoni, B.Birkenbach, N.Blasi, H.C.Boston, S.Bottoni, S.Brambilla, B.Bruyneel, M.Ciemala, E.Clement, M.L.Cortes, F.C.L.Crespi, D.M.Cullen, D.Curien, F.Didierjean, C.Domingo-Pardo, G.Duchene, J.Eberth, A.Gorgen, A.Gadea, J.Gerl, N.Goel, P.Golubev, V.Gonzalez, M.Gorska, A.Gottardo, E.Gregor, G.Guastalla, T.Habermann, L.J.Harkness-Brennan, A.Jungclaus, M.Kmiecik, I.Kojouharov, W.Korten, N.Kurz, M.Labiche, N.Lalovic, S.Leoni, M.Lettmann, A.Maj, R.Menegazzo, D.Mengoni, E.Merchan, B.Million, A.I.Morales, D.R.Napoli, C.Nociforo, J.Nyberg, N.Pietralla, S.Pietri, Zs.Podolyak, V.Yu.Ponomarev, A.Pullia, B.Quintana, G.Rainovski, D.Ralet, F.Recchia, M.Reese, P.Regan, P.Reiter, S.Riboldi, D.Rudolph, M.D.Salsac, E.Sanchis, L.G.Sarmiento, H.Schaffner, J.Simpson, O.Stezowski, J.J.Valiente-Dobon, H.J.Wollersheim

Low-lying electric dipole γ-continuum for the unstable 62, 64Fe nuclei: Strength evolution with neutron number

NUCLEAR REACTIONS 197Au(62Fe, 62Fe'), (64Fe, 64Fe'), E=400-440 MeV/nucleon; measured reaction products, Eγ, Iγ. 62,64Fe; deduced γ-ray energies, B(E1). Comparison with the quasi-particle phonon model (QPM) calculations. FRS spectrometer, AGATA.

doi: 10.1016/j.physletb.2020.135951
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2020BE24      Phys.Rev. C 102, 034314 (2020)

F.L.Bello Garrote, E.Sahin, Y.Tsunoda, T.Otsuka, A.Gorgen, M.Niikura, S.Nishimura, G.de Angelis, G.Benzoni, A.I.Morales, V.Modamio, Z.Y.Xu, H.Baba, F.Browne, A.M.Bruce, S.Ceruti, F.C.L.Crespi, R.Daido, M.-C.Delattre, P.Doornenbal, Zs.Dombradi, Y.Fang, S.Franchoo, G.Gey, A.Gottardo, K.Hadynska-Klek, T.Isobe, P.R.John, H.S.Jung, I.Kojouharov, T.Kubo, N.Kurz, I.Kuti, Z.Li, G.Lorusso, I.Matea, K.Matsui, D.Mengoni, T.Miyazaki, S.Momiyama, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, S.Rice, H.Sakurai, H.Schaffner, L.Sinclair, P.-A.Soderstrom, D.Sohler, I.G.Stefan, T.Sumikama, D.Suzuki, R.Taniuchi, J.Taprogge, Zs.Vajta, J.J.Valiente-Dobon, H.Watanabe, V.Werner, J.Wu, A.Yagi, M.Yalcinkaya, R.Yokoyama, K.Yoshinaga

β-decay of 75Ni and the systematics of the low-lying level structure of neutron-rich odd-A Cu isotopes

RADIOACTIVITY 75Ni(β-), (β-n)[from 9Be(238U, F), E=345 MeV/nucleon, followed by mass separation and identification of fragments of interest using the BigRIPS separator and ZeroDegree spectrometer, and implanted in WAS3ABi stopper at RIBF-RIKEN facility]; measured Eβ, Eγ, Iγ, γγ-coin, (implants)β-correlations, (implants)βγ-coin using the EURICA array for γ detection, half-life and %β-n or Pn for the decay of 75Ni. 75Cu; deduced levels, J, π, Iβ, logft values. Comparison with Monte Carlo shell model (MCSM) calculations. 74Cu, 75,76,77,78Zn, 76,80,81Ga, 80,81Ge(β-); observed γ rays in spectral Fig. 1.

NUCLEAR STRUCTURE 75Cu; calculated levels, J, π. 75,77Cu; calculated occupation numbers of proton and neutron orbits, potential energy surfaces for different spin states. 69,71,73,75,77,79Cu; systematics of energies of the first 1/2- states and corresponding B(E2) values, energies and decay sequences of particle-core coupling states, intruder states. Monte Carlo shell model calculations were performed using the A3DA interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.034314
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2020GI02      Acta Phys.Pol. B51, 577 (2020)

J.Giovinazzo, T.Goigoux, B.Blank, P.Ascher, M.Gerbaux, S.Grevy, T.Kurtukian Nieto, C.Magron, P.Doornenbal, N.Fukuda, N.Inabe, G.G.Kiss, T.Kubo, S.Kubono, S.Nishimura, H.Sakurai, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, P.Vi, J.Wu, D.S.Ahn, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, Y.Fujita, M.Tanaka, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.De Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.De France, S.Go, B.A.Brown

Two-proton radioactivity: The interesting case of 67Kr and Further Studies

RADIOACTIVITY 67Kr(2p), (β+), 57Zn, 59,61Ge, 63,65Se, 68,69Kr(EC), (β+), (β+p), 55,56Cu, 60Ga, 63Ge, 64,65As, 67Kr(EC), (β+)[from 9Be(78Kr, X), E=350 MeV/nucleon, followed by separation of fragments using BigRIPS and Zero Degree Spectrometer at RIBF-RIKEN]; measured E(p), I(p), Eγ, half-lives of decays of isotopes from time distribution of (fragment)(decay events) correlations using EURICA-WAS3ABi setup at RIKEN; deduced %2p for the decay of 67Kr, and %β+p for 59,61Ge, 63Se, 68,69Kr. Comparison with previous experimental results.

doi: 10.5506/APhysPolB.51.577
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2020KI17      Phys.Rev.Lett. 125, 182701 (2020)

T.Kibedi, B.Alshahrani, A.E.Stuchbery, A.C.Larsen, A.Gorgen, S.Siem, M.Guttormsen, F.Giacoppo, A.I.Morales, E.Sahin, G.M.Tveten, F.L.Bello Garrote, L.Crespo Campo, T.K.Eriksen, M.Klintefjord, S.Maharramova, H.-T.Nyhus, T.G.Tornyi, T.Renstrom, W.Paulsen

Radiative Width of the Hoyle State from γ-Ray Spectroscopy

NUCLEAR REACTIONS 12C(p, p'), E=10.7 MeV; measured reaction products, Eγ, Iγ, γ-γ-p coin.; deduced γ-ray energies, resonances, radiative branching ratio, radiative widths. Comparison with available data.

doi: 10.1103/PhysRevLett.125.182701
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2020RO25      Eur.Phys.J. A 56, 289 (2020)

M.Rocchini, A.Nannini, G.Benzoni, E.Vigezzi, B.Melon, P.R.John, S.Bottoni, S.Ceruti, R.Avigo, P.Sona, C.A.Ur, D.Bazzacco, N.Blasi, G.Bocchi, A.Bracco, F.Camera, S.Capra, F.C.L.Crespi, E.R.Gamba, G.Georgiev, A.Giaz, A.Gottardo, S.Leoni, R.Menegazzo, D.Mengoni, C.Michelagnoli, B.Million, V.Modamio, A.I.Morales, D.R.Napoli, M.Ottanelli, L.Pellegri, A.Perego, J.J.Valiente-Dobon, O.Wieland

g factor of the 12+ K-isomer in 174W

NUCLEAR REACTIONS 162Dy(16O, 4n), E=84 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, isomeric state modulation ratio, g-factor and T1/2 of K isomer. Comparison with Nilsson model calculations. The time-differential perturbed angular distribution technique, Tandem-XTU at the INFN Legnaro National Laboratories.

doi: 10.1140/epja/s10050-020-00298-3
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2020VI02      Acta Phys.Pol. B51, 587 (2020)

A.Vitez-Sveiczer, A.Algora, A.I.Morales, B.Rubio, G.G.Kiss, G.De Angelis, R.Recchia, S.Nishimura, J.Agramunt, V.Guadilla, A.Montaner-Piza, S.E.A.Orrigo, A.Horvath, D.Napoli, S.Lenzi, A.Boso, V.H.Phong, J.Wu, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, D.S.Ahn, H.Baba, P.Doornenbal, N.Fukuda, N.Inabe, T.Isobe, T.Kubo, S.Kubono, H.Sakurai, Y.Shimizu, S.Chen, B.Blank, P.Ascher, M.Gerbaux, T.Goigoux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, W.Gelletly, Z.Dombradi, Y.Fujita, M.Tanaka, P.Aguilera, F.Molina, J.Eberth, F.Diel, D.Lubos, C.Borcea, E.Ganioglu, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, W.Korten, G.De France, P.Davies, J.Liu, J.Lee, T.Lokotko, I.Kojouharov, N.Kurz, H.Shaffner

Studying the Exotic Decay 70Kr → 70Br*

doi: 10.5506/APhysPolB.51.587
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2019GO10      Phys.Rev. C 99, 054326 (2019)

A.Gottardo, J.J.Valiente-Dobon, G.Benzoni, A.I.Morales, A.Gadea, S.Lunardi, P.Boutachkov, A.M.Bruce, M.Gorska, J.Grebosz, S.Pietri, Zs.Podolyak, M.Pfutzner, P.H.Regan, D.Rudolph, H.Weick, J.Alcantara Nunez, A.Algora, N.Al-Dahan, G.de Angelis, Y.Ayyad, N.Alkhomashi, P.R.P.Allegro, D.Bazzacco, J.Benlliure, M.Bowry, A.Bracco, M.Bunce, F.Camera, E.Casarejos, M.L.Cortes, F.C.L.Crespi, A.Corsi, A.M.D.Bacelar, A.Y.Deo, C.Domingo-Pardo, M.Doncel, Zs.Dombradi, T.Engert, K.Eppinger, G.F.Farrelly, F.Farinon, H.Geissel, J.Gerl, N.Goel, E.Gregor, T.Habermann, R.Hoischen, R.Janik, S.Klupp, I.Kojouharov, N.Kurz, S.M.Lenzi, S.Leoni, S.Mandal, R.Menegazzo, D.Mengoni, B.Million, D.R.Napoli, F.Naqvi, C.Nociforo, A.Prochazka, W.Prokopowicz, F.Recchia, R.V.Ribas, M.W.Reed, E.Sahin, H.Schaffner, A.Sharma, B.Sitar, D.Siwal, K.Steiger, P.Strmen, T.P.D.Swan, I.Szarka, C.A.Ur, P.M.Walker, O.Wieland, H-J.Wollersheim, F.Nowacki, E.Maglione

New spectroscopic information on 211, 213Tl: A changing structure beyond the N=126 shell closure

NUCLEAR REACTIONS 9Be(238U, F)208Hg/210Hg/211Tl/213Tl/212Pb/214Pb/216Pb/217Bi, E=1 GeV/nucleon; measured reaction products, fragment yields, A/Z plot, Eγ, Iγ, γγ-coin, half-lives of isomers in 211Tl and 213Tl using the FRS-RISING system at GSI facility. 211,213Tl; deduced levels, isomers, J, π, configurations. Comparison with shell model calculations, and seniority isomers observed in 210Pb to 216Pb isotopes.

doi: 10.1103/PhysRevC.99.054326
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2019GO34      Acta Phys.Pol. B50, 399 (2019)

T.Goigoux, P.Ascher, B.Blank, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, D.S.Ahn, P.Doornenbal, N.Fukuda, N.Inabe, G.Kiss, T.Kubo, S.Kubono, S.Nishimura, H.Sakurai, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, P.Vi, J.Wu, Y.Fujita, M.Tanaka, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.De France, S.Go, B.A.Brown

67Kr Two-proton Radioactivity: Results and Theoretical Interpretations

RADIOACTIVITY 67Kr(2p)[from 9Be(78Kr, X), E=350 MeV/nucleon, followed by separation of fragments using BigRIPS and Zero Degree Spectrometer at RIBF-RIKEN]; measured E(p), I(p), half-life of decay of 67Kr from time distribution of (fragment)(decay events) correlations using EURICA-WAS3ABi setup at RIKEN. 67Kr; deduced %2p, Nilsson configurations. Comparison with theoretical calculations. 59Ge, 63Se, 68Kr; isotopes observed in A/Q versus Z identification plot.

doi: 10.5506/aphyspolb.50.399
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2019PH02      Phys.Rev. C 100, 011302 (2019)

V.H.Phong, G.Lorusso, T.Davinson, A.Estrade, O.Hall, J.Liu, K.Matsui, F.Montes, S.Nishimura, A.Boso, P.H.Regan, R.Shearman, Z.Y.Xu, J.Agramunt, J.M.Allmond, D.S.Ahn, A.Algora, H.Baba, N.T.Brewer, C.G.Bruno, R.Caballero-Folch, F.Calvino, M.Wolinska-Cichocka, G.Cortes, I.Dillmann, C.Domingo-Pardo, A.Gargano, S.Go, C.J.Griffin, R.K.Grzywacz, L.Harkness-Brennan, T.Isobe, A.Jungclaus, D.Kahl, L.H.Khiem, G.Kiss, A.Korgul, S.Kubono, K.Miernik, A.I.Morales, N.Nepal, M.Piersa, Zs.Podolyak, B.C.Rasco, K.P.Rykaczewski, H.Sakurai, Y.Shimizu, D.W.Stacener, T.Sumikama, H.Suzuki, H.Takeda, J.L.Tain, A.Tarifeno-Saldivia, A.Tolosa-Delgado, V.Vaquero, P.J.Woods, R.Yokoyama, C.Yuan

Observation of a 13449In85 Proton-neutron coupling "southeast" of 13250Sn82

NUCLEAR REACTIONS 9Be(238U, F)120Rh/121Rh/122Rh/123Rh/124Rh/125Rh/123Pd/124Pd/125Pd/126Pd/127Pd/128Pd/125Ag/126Ag/127Ag/128Ag/129Ag/130Ag/128Cd/129Cd/130Cd/131Cd/132Cd/133Cd/131In/132In/133In/134In/135In/136In/134Sn/135Sn/136Sn/137Sn/138Sn/139Sn/138Sb/139Sb/140Sb/141Te/142Te, E=345 MeV/nucleon; measured fission fragment yields, A/Q plot, Eγ, Iγ, (fragment)γ-coin, half-lives of isomers in 128Cd and 134In by (ion)γ(t) using BigRIPS, ZeroDegree spectrometer, and AIDA array for fragment separation and identification, and HPGe detectors for γ detection at RIBF-RIKEN. 128Cd, 130Ag, 132,134In; measured (ion)γ-coin spectra; deduced isomers in 128Cd and 134In, configurations, no evidence for isomers in 130Ag and 132In. 134In; compared Weisskopf estimated half-lives for E1, M1, E2 and M2 multipolarities for the isomeric transition in the case of bare nuclei and neutral atoms with the measured half-life, best agreement found for E2 multipolarity. 130Ag, 132,134In; calculated levels, J, π using shell model, and compared with available experimental data.

doi: 10.1103/PhysRevC.100.011302
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2019RU07      Proc.XLII Symposium on Nuclear Physics 2019 (Cocoyoc2019), 7-10 January 2019, Cocoyoc, Mexico, p.012018 (2019), J.Phys.:Conf. Ser. 1308 (2019)

B.Rubio, P.Aguilera, F.Molina, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, W.Gelletly, B.Blank, P.Asher, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian, C.Magron, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yang, D.S.Ahn, P.Doornenbal, N.Fukuda, N.Inabe, G.Kiss, T.Kubo, S.Kubono, S.Nishimura, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, P.Vi, J.Wu, Y.Fujita, M.Tanaka, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, G.de France, S.Go

Beta decay of the Tz=-2 nucleus 64Se and its descendants

RADIOACTIVITY 64Se, 64As(β+), (EC), (β+p)[from 9Be(78Kr, X), E=345 MeV, followed by separation of fragments using BigRIPS separator and implantation in double-sided Si-strip detectors (DSSSDs) at RIBF-RIKEN facility]; 63Ge(β+), (EC)[from 74Se β+p decay]; measured reaction products, particle identification plot, Eγ, Iγ, (implants)γ-coin, E(p), I(p) from β+-delayed proton decays, T1/2 of decays of 64Se, 64As, 63Ge. 64As, 63,64Ge, 63Ga; deduced levels, J, π, 0+ IAS of 64As, mirror states in 64As and 64Ga, and in 63Ge and 63Ga.

doi: 10.1088/1742-6596/1308/1/012018
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2019YO03      Phys.Rev. C 100, 031302(R) (2019)

R.Yokoyama, R.Grzywacz, B.C.Rasco, N.Brewer, K.P.Rykaczewski, I.Dillmann, J.L.Tain, S.Nishimura, D.S.Ahn, A.Algora, J.M.Allmond, J.Agramunt, H.Baba, S.Bae, C.G.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, T.Davinson, C.Domingo-Pardo, A.Estrade, N.Fukuda, S.Go, C.J.Griffin, J.Ha, O.Hall, L.J.Harkness-Brennan, J.Heideman, T.Isobe, D.Kahl, M.Karny, T.Kawano, L.H.Khiem, T.T.King, G.G.Kiss, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Liang, J.Liu, G.Lorusso, M.Madurga, K.Matsui, K.Miernik, F.Montes, A.I.Morales, P.Morrall, N.Nepal, R.D.Page, V.H.Phong, M.Piersa, M.Prydderch, V.F.E.Pucknell, M.M.Rajabali, B.Rubio, Y.Saito, H.Sakurai, Y.Shimizu, J.Simpson, M.Singh, D.W.Stracener, T.Sumikama, R.Surman, H.Suzuki, H.Takeda, A.Tarifeno-Saldivia, S.L.Thomas, A.Tolosa-Delgado, M.Wolinska-Cichocka, P.J.Woods, X.X.Xu

Strong one-neutron emission from two-neutron unbound states in β decays of the r-process nuclei 86, 87Ga

RADIOACTIVITY 84,85,86,87Ga(β-), (β-n), (β-2n)[from 9Be(238U, F), E=345 MeV/nucleon, followed by separation and identification of fragments using the BigRIPS in-flight separator at RIBF-RIKEN facility]; measured secondary ions implanted into active stoppers made of double-sided silicon-strip detectors (DSSSDs), neutrons by BRIKEN array of 3He counters, WAS3ABi for β and ion detection, and γ rays by two clover-type HPGe detectors, (ions)βn-coin, half-lives of decays of 84,85,86,87Ga; deduced decay curves, %β-n (P1n) and %β-2n (P2n). Comparison with shell-model and QRPA calculations. Relevance to r-process modeling.

doi: 10.1103/PhysRevC.100.031302
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2018LI20      Phys.Rev. C 97, 044323 (2018)

J.Litzinger, A.Blazhev, A.Dewald, F.Didierjean, G.Duchene, C.Fransen, R.Lozeva, D.Verney, G.de Angelis, D.Bazzacco, B.Birkenbach, S.Bottoni, A.Bracco, T.Braunroth, B.Cederwall, L.Corradi, F.C.L.Crespi, P.Desesquelles, J.Eberth, E.Ellinger, E.Farnea, E.Fioretto, R.Gernhauser, A.Goasduff, A.Gorgen, A.Gottardo, J.Grebosz, M.Hackstein, H.Hess, F.Ibrahim, J.Jolie, A.Jungclaus, K.Kolos, W.Korten, S.Leoni, S.Lunardi, A.Maj, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, B.Million, O.Moller, V.Modamio, G.Montagnoli, D.Montanari, A.I.Morales, D.R.Napoli, M.Niikura, N.Pietralla, G.Pollarolo, A.Pullia, B.Quintana, F.Recchia, P.Reiter, D.Rosso, E.Sahin, M.D.Salsac, F.Scarlassara, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, Ch.Theisen, J.J.Valiente-Dobon, V.Vandone, A.Vogt

Transition probabilities in neutron-rich 80, 82Se and the role of the νg9/2

NUCLEAR REACTIONS 238U(82Se, 80Se), (82Se, 82Se'), E=577 MeV; measured Eγ, Iγ, 80,82Se scattered particles, (particle)γ-coin, total-kinetic energy losses (TKEL), level half-lives by recoil distance Doppler-shift (RDDS) method using Cologne plunger device, AGATA Demonstrator array for γ detection, and PRISMA magnetic spectrometer for particle detection at the INFNLN-Legnaro. 80,82Se; deduced levels, J, π, B(E2), B(M1), B(E1), configurations. Comparison with large-scale shell-model calculations using the effective interactions JUN45 and jj44b. Systematics of energies and B(E1) values for N=44-48, Kr, Se and Ge isotopes.

doi: 10.1103/PhysRevC.97.044323
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2018MO33      Phys.Lett. B 781, 706 (2018)

A.I.Morales, G.Benzoni, H.Watanabe, G.de Angelis, S.Nishimura, L.Coraggio, A.Gargano, N.Itaco, T.Otsuka, Y.Tsunoda, P.Van Isacker, F.Browne, R.Daido, P.Doornenbal, Y.Fang, G.Lorusso, Z.Patel, S.Rice, L.Sinclair, P.-A.Soderstrom, T.Sumikama, J.J.Valiente-Dobon, J.Wu, Z.Y.Xu, A.Yagi, R.Yokoyama, H.Baba, R.Avigo, F.L.Bello Garrote, N.Blasi, A.Bracco, A.M.Bruce, F.Camera, S.Ceruti, F.C.L.Crespi, M.-C.Delattre, Zs.Dombradi, A.Gottardo, T.Isobe, I.Kojouharov, N.Kurz, I.Kuti, S.Lalkovski, K.Matsui, B.Melon, D.Mengoni, T.Miyazaki, V.Modamio-Hoybjor, S.Momiyama, D.R.Napoli, M.Niikura, R.Orlandi, Zs.Podolyak, P.H.Regan, H.Sakurai, E.Sahin, D.Sohler, H.Schaffner, R.Taniuchi, J.Taprogge, Zs.Vajta, O.Wieland, M.Yalcinkaya

Is seniority a partial dynamic symmetry in the first νg9/2 shell?

RADIOACTIVITY 72,74Co(β-) [from 9Be(238U, X), E=345 MeV/nucleon]; measured reaction products, Eγ, Iγ; deduced γ-ray energies, levels, isomeric states, seniority scheme, B(E2), the disappearance of the seniority isomerism. Comparison with available data. The MCSM calculations. The first in-flight β-delayed fast-timing study. The RIBF facility in RIKEN within the EURICA collaboration.

doi: 10.1016/j.physletb.2018.04.049
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2018TA20      Acta Phys.Pol. B49, 417 (2018)

J.L.Tain, J.Agramunt, D.S.Ahn, A.Algora, J.M.Allmond, H.Baba, S.Bae, N.T.Brewer, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, T.Davinson, I.Dillmann, C.Domingo-Pardo, A.Estrade, N.Fukuda, S.Go, C.Griffin, R.Grzywacz, J.Ha, O.Hall, L.Harkness-Brennan, T.Isobe, D.Kahl, M.Karny, G.G.Kiss, M.Kogimtzis, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Lee, J.Liu, G.Lorusso, K.Matsui, K.Miernik, F.Montes, B.Moon, A.I.Morales, N.Nepal, S.Nishimura, R.D.Page, Z.Podolyak, V.F.E.Pucknell, B.C.Rasco, P.H.Regan, A.Riego, B.Rubio, K.P.Rykaczewski, Y.Saito, H.Sakurai, Y.Shimizu, J.Simpson, P.A.Soderstrom, D.W.Stracener, T.Sumikama, R.Surman, H.Suzuki, M.Takechi, H.Takeda, A.Tarifeno-Saldivia, S.L.Thomas, A.Tolosa-Delgado, V.H.Phong, P.Woods

The BRIKEN Project: Extensive Measurements of β-delayed Neutron Emitters for the Astrophysical r Process

doi: 10.5506/aphyspolb.49.417
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2017CE01      Phys.Rev. C 95, 014312 (2017)

S.Ceruti, F.Camera, A.Bracco, A.Mentana, R.Avigo, G.Benzoni, N.Blasi, G.Bocchi, S.Bottoni, S.Brambilla, F.C.L.Crespi, A.Giaz, S.Leoni, B.Million, A.I.Morales, R.Nicolini, L.Pellegri, S.Riboldi, O.Wieland, D.Bazzacco, M.Ciemala, E.Farnea, A.Gottardo, M.Kmiecik, A.Maj, D.Mengoni, C.Michelagnoli, V.Modamio, D.Montanari, D.Napoli, F.Recchia, E.Sahin, C.Ur, J.J.Valiente-Dobon, B.Wasilewska, M.Zieblinski

Experimental study of the isovector giant dipole resonance in 80Zr and 81Rb

NUCLEAR REACTIONS 40Ca(40Ca, γ), E=136 MeV; 44Ca(37Cl, γ), E=95 MeV; measured Eγ, γ yields, γγ-coin using AGATA demonstrator array and HECTOR+ array at the Tandem linear accelerator complex of LNL-Legnaro facility. 80Zr, 81Rb; deduced energies, mean values of angular momenta, strengths, and widths of the isovector giant dipole resonances (IVGDR). Comparison with statistical-model and CTFM calculations.

doi: 10.1103/PhysRevC.95.014312
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2017DI12      Phys.Rev. C 96, 044320 (2017)

F.Didierjean, D.Verney, G.Duchene, J.Litzinger, K.Sieja, A.Dewald, A.Goasduff, R.Lozeva, C.Fransen, G.de Angelis, S.Aydin, D.Bazzacco, A.Bracco, S.Bottoni, L.Corradi, F.Crespi, E.Ellinger, E.Farnea, E.Fioretto, S.Franchoo, A.Gottardo, L.Grocutt, M.Hackstein, F.Ibrahim, K.Kolos, S.Leoni, S.Lenzi, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, V.Modamio, O.Moller, G.Montagnoli, D.Montanari, A.I.Morales, D.Napoli, M.Niikura, F.Recchia, E.Sahin, F.Scarlassara, L.Sengele, S.Szilner, J.F.Smith, A.M.Stefanini, C.Ur, J.J.Valiente-Dobon, V.Vandone

Neutron effective single-particle energies above 78Ni: A hint from lifetime measurements in the N=51 isotones 85Se and 87Kr

NUCLEAR REACTIONS 238U(82Se, 85Se), (82Se, 87Kr), E=530 MeV; measured Eγ, Iγ, particle spectra, (87Kr)γ-coin, (82Se)γ-coin, level half-lives by recoil-distance Doppler-shift (RDDS) method using Prisma spectrometer for particle detection, AGATA demonstrator array for γ detection, and Cologne plunger device for half-life measurements at LNL, Legnaro tandem-ALPI facility. 87Kr, 85Se; deduced levels, J, π, configurations. Comparison with core-coupled model and shell model calculations. 238U(82Se, X)79Se/80Se/81Se/82Se/83Se/84Se/85Se/86Se/80Kr/81Kr/82Kr/83Kr/84Kr/85Kr/86Kr/87Kr/88Kr/89Kr/90Kr/91Kr/92Kr/93Kr, E=530 MeV; measured isotopic yields. Systematics of energies of 5/2+ ground states, 1/2+, 7/2+ and 9/2+ states in N=51 isotones 83Ge, 85Se, 87Kr, 89Sr, 91Zr, 93Mo.

doi: 10.1103/PhysRevC.96.044320
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2017LI06      J.Phys.(London) G44, 054002 (2017)

R.Lica, G.Benzoni, A.I.Morales, M.J.G.Borge, L.M.Fraile, H.Mach, M.Madurga, C.Sotty, V.Vedia, H.De Witte, J.Benito, T.Berry, N.Blasi, A.Bracco, F.Camera, S.Ceruti, V.Charviakova, N.Cieplicka-Orynczak, C.Costache, F.C.L.Crespi, J.Creswell, G.Fernandez-Martinez, H.Fynbo, P.Greenlees, I.Homm, M.Huyse, J.Jolie, V.Karayonchev, U.Koster, J.Konki, T.Kroll, J.Kurcewicz, T.Kurtukian-Nieto, I.Lazarus, S.Leoni, M.Lund, N.Marginean, R.Marginean, C.Mihai, R.Mihai, A.Negret, A.Orduz, Z.Patyk, S.Pascu, V.Pucknell, P.Rahkila, J.M.Regis, F.Rotaru, N.Saed-Samii, V.Sanchez-Tembleque, M.Stanoiu, O.Tengblad, M.Thuerauf, A.Turturica, P.Van Duppen, N.Warr

β decay studies of n-rich Cs isotopes with the ISOLDE Decay Station

RADIOACTIVITY 148,149,150Cs(β-), (β-n)[from U(p, X), E=1.4 GeV at ISOLDE-CERN]; measured reaction products, Eγ, Iγ, βγ-, γγ-coin, half-lives of ground states of 148,149,150Cs, %Pn for the decay of 149Cs, half-lives of levels in 149Ba and 148Ce by βγγ(t). 149Ba; deduced levels, β feedings, multipolarities, half-lives. 148Ce; deduced half-life of the first 2+ state. Comparison with previous experimental half-lives, and with theoretical calculations.

doi: 10.1088/1361-6471/aa6015
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2017MO02      Phys.Lett. B 765, 328 (2017)

A.I.Morales, G.Benzoni, H.Watanabe, Y.Tsunoda, T.Otsuka, S.Nishimura, F.Browne, R.Daido, P.Doornenbal, Y.Fang, G.Lorusso, Z.Patel, S.Rice, L.Sinclair, P.-A.Soderstrom, T.Sumikama, J.Wu, Z.Y.Xu, A.Yagi, R.Yokoyama, H.Baba, R.Avigo, F.L.Bello Garrote, N.Blasi, A.Bracco, F.Camera, S.Ceruti, F.C.L.Crespi, G.de Angelis, M.-C.Delattre, Zs.Dombradi, A.Gottardo, T.Isobe, I.Kojouharov, N.Kurz, I.Kuti, K.Matsui, B.Melon, D.Mengoni, T.Miyazaki, V.Modamio-Hoybjor, S.Momiyama, D.R.Napoli, M.Niikura, R.Orlandi, H.Sakurai, E.Sahin, D.Sohler, H.Schaffner, R.Taniuchi, J.Taprogge, Zs.Vajta, J.J.Valiente-Dobon, O.Wieland, M.Yalcinkaya

Type II shell evolution in A = 70 isobars from the N ≥ 40 island of inversion

RADIOACTIVITY 70Fe, 70Co(β-); measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, β-feeding, log ft, B(GT). Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2016.12.025
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2017MO18      Phys.Rev. C 95, 064327 (2017)

A.I.Morales, A.Algora, B.Rubio, K.Kaneko, S.Nishimura, P.Aguilera, S.E.A.Orrigo, F.Molina, G.de Angelis, F.Recchia, G.Kiss, V.H.Phong, J.Wu, D.Nishimura, H.Oikawa, T.Goigoux, J.Giovinazzo, P.Ascher, J.Agramunt, D.S.Ahn, H.Baba, B.Blank, C.Borcea, A.Boso, P.Davies, F.Diel, Zs.Dombradi, P.Doornenbal, J.Eberth, G.de France, Y.Fujita, N.Fukuda, E.Ganioglu, W.Gelletly, M.Gerbaux, S.Grevy, V.Guadilla, N.Inabe, T.Isobe, I.Kojouharov, W.Korten, T.Kubo, S.Kubono, T.Kurtukian Nieto, N.Kurz, J.Lee, S.Lenzi, J.Liu, T.Lokotko, D.Lubos, C.Magron, A.Montaner-Piza, D.R.Napoli, H.Sakurai, H.Schaffner, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, Y.Takei, M.Tanaka, S.Yagi

Simultaneous investigation of the T=1(Jπ=0+) and T=0(Jπ=9+) β decays in 70Br

RADIOACTIVITY 70Br(β+), (EC) [from 9Be(78Kr, X), E=345 MeV/nucleon at RIKEN's RILAC2-RRC-fRC-IRC-SRC acceleration system using BigRIPS separator and ZeroDegree spectrometer]; measured reaction products, Eγ, Iγ, Eβ, half-life of the 9+ isomer by βγ(t), and 0+ ground state by (70Br)β(t), γγ-, and βγ-coin using Wide-Range Active Silicon Strip Stopper array for β and ion detection (WAS3ABi), and EURICA array for γ detection. 70Se; deduced levels, J, π, β feedings, logf Ft, bands, Ft value for the superallowed decay of 70Br. Comparison with Shell-model calculations using the PMMU and JUN45 interactions. Discussed test of the CVC hypothesis using the data in the present work.

doi: 10.1103/PhysRevC.95.064327
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2016BL05      Phys.Rev. C 93, 061301 (2016)

B.Blank, T.Goigoux, P.Ascher, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, D.S.Ahn, P.Doornenbal, N.Fukuda, N.Inabe, G.Kiss, T.Kubo, S.Kubono, S.Nishimura, V.H.Phong, H.Sakurai, Y.Shimizu, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, J.Wu, Y.Fujita, M.Tanaka, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.de France, S.Go

New neutron-deficient isotopes from 78Kr fragmentation

NUCLEAR REACTIONS 9Be(78Kr, X)39Ti/40Ti/43Cr/44Cr/46Mn/47Fe/48Fe/51Ni/59Ge/60Ge/63Se/64Se/67Kr/68Kr, E=345 MeV/nucleon; measured fragmentation residues, production σ using BigRIPS separator, zero-degree spectrometer, WAS3ABi setup for implantation, and EURICA array for γ detection at RIBF-RIKEN facility. Comparison of experimental cross sections with predictions from the EPAX3 parameterization. 63Se, 67Kr, 68Kr; newly identified nuclides. 59Ge, 63Se, 67Kr; candidates for 2p emitters. 58Ge, 62Se, 66Kr; deduced upper limit of cross sections, half-lives, search for these nuclides proved unsuccessful, consistent with unbound nature of these nuclei.

doi: 10.1103/PhysRevC.93.061301
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2016GO26      Phys.Rev.Lett. 117, 162501 (2016)

T.Goigoux, P.Ascher, B.Blank, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, P.Doornenbal, G.G.Kiss, S.Nishimura, P.-A.Soderstrom, V.H.Phong, J.Wu, D.S.Ahn, N.Fukuda, N.Inabe, T.Kubo, S.Kubono, H.Sakurai, Y.Shimizu, T.Sumikama, H.Suzuki, H.Takeda, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, Y.Fujita, M.Tanaka, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.de France, S.Go, B.A.Brown

Two-Proton Radioactivity of 67Kr

RADIOACTIVITY 67Kr(2p), 59Ge, 63Se(β+) [from Be(78Kr, X), E=345 MeV/nucleon]; measured decay products, Eβ, Iβ; deduced decay energy, branching ratio, T1/2. Comparison with available data.

doi: 10.1103/PhysRevLett.117.162501
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2016KR04      Phys.Rev. C 93, 044330 (2016)

M.Krzysiek, M.Kmiecik, A.Maj, P.Bednarczyk, A.Bracco, F.C.L.Crespi, E.G.Lanza, E.Litvinova, N.Paar, R.Avigo, D.Bazzacco, G.Benzoni, B.Birkenbach, N.Blasi, S.Bottoni, S.Brambilla, F.Camera, S.Ceruti, M.Ciemala, G.de Angelis, P.Desesquelles, J.Eberth, E.Farnea, A.Gadea, A.Giaz, A.Gorgen, A.Gottardo, J.Grebosz, H.Hess, R.Isocarte, A.Jungclaus, S.Leoni, J.Ljungvall, S.Lunardi, K.Mazurek, R.Menegazzo, D.Mengoni, C.Michelagnoli, B.Milion, A.I.Morales, D.R.Napoli, R.Nicolini, L.Pellegri, A.Pullia, B.Quintana, F.Recchia, P.Reiter, D.Rosso, M.D.Salsac, B.Siebeck, S.Siem, P.-A.Soderstrom, C.Ur, J.J.Valiente-Dobon, O.Wieland, M.Zieblinski

Pygmy dipole resonance in 140Ce via inelastic scattering of 17O

NUCLEAR REACTIONS 140Ce(17O, 17O'), E=340 MeV; measured scattered 17O particle spectra, Eγ, Iγ, (17O)γ-coin, σ as function of excitation energy in 140Ce, γ(θ) using AGATA-demonstrator array for γ rays and E-ΔE detectors for particles at LNL's PIAVE-ALPI accelerator facility. DWBA analysis for the pygmy dipole states using microscopically calculated form factors based on transition densities from RQRPA and optical potentials. 140Ce; deduced levels, J, π, 1- pygmy (PDR) states, isoscalar energy-weighted sum rule (ISEWSR), PDR strengths, isospin character of the dipole states. Comparison with experimental results from (γ, γ') and (α, α') studies.

doi: 10.1103/PhysRevC.93.044330
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2016MO07      Phys.Rev. C 93, 034328 (2016)

A.I.Morales, G.Benzoni, H.Watanabe, S.Nishimura, F.Browne, R.Daido, P.Doornenbal, Y.Fang, G.Lorusso, Z.Patel, S.Rice, L.Sinclair, P.-A.Soderstrom, T.Sumikama, J.Wu, Z.Y.Xu, A.Yagi, R.Yokoyama, H.Baba, R.Avigo, F.L.Bello Garrote, N.Blasi, A.Bracco, F.Camera, S.Ceruti, F.C.L.Crespi, G.de Angelis, M.-C.Delattre, Zs.Dombradi, A.Gottardo, T.Isobe, I.Kojouharov, N.Kurz, I.Kuti, K.Matsui, B.Melon, D.Mengoni, T.Miyazaki, V.Modamio-Hoyborg, S.Momiyama, D.R.Napoli, M.Niikura, R.Orlandi, H.Sakurai, E.Sahin, D.Sohler, H.Shaffner, R.Taniuchi, J.Taprogge, Zs.Vajta, J.J.Valiente-Dobon, O.Wieland, M.Yalcinkaya

Low-lying excitations in 72Ni

RADIOACTIVITY 72Co(β-), (β-n), (β-2n), 73Co(β-n)[from 9Be(238U, F), E=345 MeV/nucleon using BigRIPS separator and ZeroDegree spectrometer at RIBF-RIKEN facility]; measured Eγ, Iγ, βγγ-coin, (72Co implants)β-correlations, half-lives of low-spin and high-spin activities of 72Co using WAS3ABi setup and EURICA array, level half-lives by fast-timing γγ(t) method. 72Ni; levels, J, π, β feedings, logft values, configurations. 70,71Ni; observed γ rays from β-delayed-neutron decay of 72Co. Comparison with previous experimental results, and with simple shell-model calculations including only neutron excitations across the fpg shells.

doi: 10.1103/PhysRevC.93.034328
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2015BE32      Phys.Lett. B 751, 107 (2015)

G.Benzoni, A.I.Morales, H.Watanabe, S.Nishimura, L.Coraggio, N.Itaco, A.Gargano, F.Browne, R.Daido, P.Doornenbal, Y.Fang, G.Lorusso, Z.Patel, S.Rice, L.Sinclair, P.-A.Soderstrom, T.Sumikama, J.Wu, Z.Y.Xu, R.Yokoyama, H.Baba, R.Avigo, F.L.Bello Garrote, N.Blasi, A.Bracco, F.Camera, S.Ceruti, F.C.L.Crespi, G.de Angelis, M.-C.Delattre, Zs.Dombradi, A.Gottardo, T.Isobe, I.Kuti, K.Matsui, B.Melon, D.Mengoni, T.Miyazaki, V.Modamio-Hoybjor

Decay properties of 68, 69, 70Mn: Probing collectivity up to N = 44 in Fe isotopic chain

RADIOACTIVITY 68,69,70Mn(β-), (β-n) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ; deduced γ-ray energies, T1/2, β-delayed neutron emission probabilities. Comparison with FRDM + QRPA and KTUY + GT2 calculations.

doi: 10.1016/j.physletb.2015.10.025
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2015BO11      Phys.Rev. C 92, 024322 (2015)

S.Bottoni, S.Leoni, B.Fornal, R.Raabe, K.Rusek, G.Benzoni, A.Bracco, F.C.L.Crespi, A.I.Morales, P.Bednarczyk, N.Cieplicka-Orynczak, W.Krolas, A.Maj, B.Szpak, M.Callens, J.Bouma, J.Elseviers, H.De Witte, F.Flavigny, R.Orlandi, P.Reiter, M.Seidlitz, N.Warr, B.Siebeck, S.Hellgartner, D.Mucher, J.Pakarinen, M.Vermeulen, C.Bauer, G.Georgiev, R.V.F.Janssens, D.Balabanski, M.Sferrazza, M.Kowalska, E.Rapisarda, D.Voulot, M.Lozano Benito, F.Wenander

Cluster-transfer reactions with radioactive beams: A spectroscopic tool for neutron-rich nuclei

NUCLEAR REACTIONS 7Li(98Rb, xnα), (98Rb, xnt), E=279 MeV; measured Eγ, (7Li)γ-, αγ-, tγ-coin, differential σ(θ), absolute cross sections for triton and α transfers using MINIBALL Ge array and Si detector system T-REX at REX-ISOLDE-CERN facility. Cluster-transfer reactions. DWBA calculations using FRESCO code. 98Rb, 98,99Sr, 99,100Y, 100Zr; observed γ rays in particle-γ-coin spectra and γγ-coin spectra.

doi: 10.1103/PhysRevC.92.024322
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2015CE05      Phys.Rev.Lett. 115, 222502 (2015)

S.Ceruti, F.Camera, A.Bracco, R.Avigo, G.Benzoni, N.Blasi, G.Bocchi, S.Bottoni, S.Brambilla, F.C.L.Crespi, A.Giaz, S.Leoni, A.Mentana, B.Million, A.I.Morales, R.Nicolini, L.Pellegri, A.Pullia, S.Riboldi, O.Wieland, B.Birkenbach, D.Bazzacco, M.Ciemala, P.Desesquelles, J.Eberth, E.Farnea, A.Gorgen, A.Gottardo, H.Hess, D.S.Judson, A.Jungclaus, M.Kmiecik, W.Korten, A.Maj, R.Menegazzo, D.Mengoni, C.Michelagnoli, V.Modamio, D.Montanari, S.Myalski, D.Napoli, B.Quintana, P.Reiter, F.Recchia, D.Rosso, E.Sahin, M.D.Salsac, P.-A.Soderstrom, O.Stezowski, Ch.Theisen, C.Ur, J.J.Valiente-Dobon, M.Zieblinski

Isospin Mixing in 80Zr From Finite to Zero Temperature

NUCLEAR REACTIONS 40Ca(40Ca, X)80Zr, E=136 MeV; 44Ca(37Cl, X)81Rb, E=95 MeV; measured reaction products, Eγ, Iγ; deduced isospin mixing and its temperature dependence, isospin-symmetry-breaking correction for Fermi superallowed transition. Comparison with available data.

doi: 10.1103/PhysRevLett.115.222502
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2015LI42      Phys.Rev. C 92, 064322 (2015)

J.Litzinger, A.Blazhev, A.Dewald, F.Didierjean, G.Duchene, C.Fransen, R.Lozeva, K.Sieja, D.Verney, G.de Angelis, D.Bazzacco, B.Birkenbach, S.Bottoni, A.Bracco, T.Braunroth, B.Cederwall, L.Corradi, F.C.L.Crespi, P.Desesquelles, J.Eberth, E.Ellinger, E.Farnea, E.Fioretto, R.Gernhauser, A.Goasduff, A.Gorgen, A.Gottardo, J.Grebosz, M.Hackstein, H.Hess, F.Ibrahim, J.Jolie, A.Jungclaus, K.Kolos, W.Korten, S.Leoni, S.Lunardi, A.Maj, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, B.Million, O.Moller, V.Modamio, G.Montagnoli, D.Montanari, A.I.Morales, D.R.Napoli, M.Niikura, G.Pollarolo, A.Pullia, B.Quintana, F.Recchia, P.Reiter, D.Rosso, E.Sahin, M.D.Salsac, F.Scarlassara, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, Ch.Theisen, J.J.Valiente Dobon, V.Vandone, A.Vogt

Transition probabilities in neutron-rich 84, 86Se

NUCLEAR REACTIONS 238U(82Se, 84Se), (82Se, 86Se), E=577 MeV; measured Eγ, Iγ, (84Se)γ- and (86Se)γ-coin, level half-lives by recoil-distance Doppler shift (RDDS) method using Cologne Plunger device, PRISMA magnetic spectrometer and AGATA demonstrator array at INFN-Legnaro accelerator facility. 84,86Se; deduced levels, B(E2) for transitions from first 2+, 4+ and 6+ states. Comparison with large-scale shell model calculations using several different effective interactions.

doi: 10.1103/PhysRevC.92.064322
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2015MO01      Phys.Rev. C 91, 014301 (2015)

F.Molina, B.Rubio, Y.Fujita, W.Gelletly, J.Agramunt, A.Algora, J.Benlliure, P.Boutachkov, L.Caceres, R.B.Cakirli, E.Casarejos, C.Domingo-Pardo, P.Doornenbal, A.Gadea, E.Ganioglu, M.Gascon, H.Geissel, J.Gerl, M.Gorska, J.Grebosz, R.Hoischen, R.Kumar, N.Kurz, I.Kojouharov, L.Amon Susam, H.Matsubara, A.I.Morales, Y.Oktem, D.Pauwels, D.Perez-Loureiro, S.Pietri, Zs.Podolyak, W.Prokopowicz, D.Rudolph, H.Schaffner, S.J.Steer, J.L.Tain, A.Tamii, S.Tashenov, J.J.Valiente-Dobon, S.Verma, H-J.Wollersheim

Tz= -1 → 0β decays of 54Ni, 50Fe, 46Cr, and 42Ti and comparison with mirror (3He, t) measurements

RADIOACTIVITY 42Ti, 46Cr, 50Fe, 54Ni(β+), (EC)[from Be(58Ni, X), E=680 MeV/nucleon]; measured Eγ, Iγ, γγ-, βγ-coin, implant-β correlations, half-lives from β and γ decay curves, yields of reaction products using fragment separator FRS, particle detectors and RISING Ge array at SIS-18 synchrotron facility of GSI. 42Sc, 46V, 50Mn, 54Co; deduced levels, J, π, β feedings, logft, B(GT+). Comparison of B(GT) values with those from (3He, t) reactions at RCNP-Osaka. Superallowed Fermi transitions between Tz=-1 and Tz=0 nuclei for testing the unitarity of the CKM matrix.

doi: 10.1103/PhysRevC.91.014301
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2015MO20      Europhys.Lett. 111, 52001 (2015)

A.I.Morales, G.Benzoni, N.Al-Dahan, S.Vergani, Zs.Podolyak, P.H.Regan, T.P.D.Swan, J.J.Valiente-Dobon, A.Bracco, P.Boutachkov, F.C.L.Crespi, J.Gerl, M.Gorska, S.Pietri, P.M.Walker, H.-J.Wollersheim

First measurement of the β-decay half-life of 206Au

RADIOACTIVITY 206Au(β-); measured decay products, Eγ, Iγ. 206Hg; deduced T1/2, level energies, partial level scheme, J, π. FRDM + QRPA calculations, comparison with available data.

doi: 10.1209/0295-5075/111/52001
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2015PE08      Phys.Rev. C 92, 014330 (2015)

L.Pellegri, A.Bracco, N.Tsoneva, R.Avigo, G.Benzoni, N.Blasi, S.Bottoni, F.Camera, S.Ceruti, F.C.L.Crespi, A.Giaz, S.Leoni, H.Lenske, B.Million, A.I.Morales, R.Nicolini, O.Wieland, D.Bazzacco, P.Bednarczyk, B.Birkenbach, M.Ciemala, G.de Angelis, E.Farnea, A.Gadea, A.Gorgen, A.Gottardo, J.Grebosz, R.Isocrate, M.Kmiecik, M.Krzysiek, S.Lunardi, A.Maj, K.Mazurek, D.Mengoni, C.Michelagnoli, D.R.Napoli, F.Recchia, B.Siebeck, S.Siem, C.Ur, J.J.Valiente-Dobon

Multitude of 2+ discrete states in 124Sn observed via the (17O, 17O' γ) reaction: Evidence for pygmy quadrupole states

NUCLEAR REACTIONS 124Sn(17O, 17O'), E=340 MeV; measured Eγ, Iγ, γ(θ), particle spectra, (17O)γ-coin, inelastic scattering σ using the AGATA array at Tandem-ALPI accelerator complex of INFN-LNL facility. 124Sn; deduced levels, J, π, multipolarity, B(E2) for 2+ states, sum rule strength for the ISGQR. DWBA analysis. Comparison with self-consistent density functional theory and extended QRPA approach describing 2+ states as pygmy quadrupole resonances.

doi: 10.1103/PhysRevC.92.014330
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2014BO09      Acta Phys.Pol. B45, 343 (2014)

S.Bottoni, S.Leoni, B.Fornal, R.Raabe, G.Benzoni, A.Bracco, F.C.L.Crespi, A.Morales, B.Bednarczyk, N.Cieplicka, W.Krolas, A.Maj, B.Szpak, M.Callens, J.Bouma, J.Elseviers, F.Falvigny, R.Orlandi, K.Rusek, P.Reiter, M.Seidlitz, S.Klupp, D.Mucher, G.Georgiev, D.Balabanski, M.Sferrazza, M.Kowalska, E.Rapisarda

γ Spectroscopy of Neutron-rich Nuclei with A ≈ 100 Produced by Cluster Transfer Reactions at REX-ISOLDE

NUCLEAR REACTIONS 7Li(98Rb, X)98Sr/99Sr/99Y/100Y, (98Sr, X)99Y/100Zr, E=2.85 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced cluster-transfer mechanisms.

doi: 10.5506/APhysPolB.45.343
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2014CR03      Phys.Rev.Lett. 13, 012501 (2014)

F.C.L.Crespi, A.Bracco, R.Nicolini, D.Mengoni, L.Pellegri, E.G.Lanza, S.Leoni, A.Maj, M.Kmiecik, R.Avigo, G.Benzoni, N.Blasi, C.Boiano, S.Bottoni, S.Brambilla, F.Camera, S.Ceruti, A.Giaz, B.Million, A.I.Morales, V.Vandone, O.Wieland, P.Bednarczyk, M.Ciemala, J.Grebosz, M.Krzysiek, K.Mazurek, M.Zieblinski, D.Bazzacco, M.Bellato, B.Birkenbach, D.Bortolato, E.Calore, B.Cederwall, L.Charles, G.de Angelis, P.Desesquelles, J.Eberth, E.Farnea, A.Gadea, A.Gorgen, A.Gottardo, R.Isocrate, J.Jolie, A.Jungclaus, N.Karkour, W.Korten, R.Menegazzo, C.Michelagnoli, P.Molini, D.R.Napoli, A.Pullia, F.Recchia, P.Reiter, D.Rosso, E.Sahin, M.D.Salsac, B.Siebeck, S.Siem, J.Simpson, P.-A.Soderstrom, O.Stezowski, Ch.Theisen, C.Ur, J.J.Valiente-Dobon

Isospin Character of Low-Lying Pygmy Dipole States in 208Pb via Inelastic Scattering of 17O Ions

NUCLEAR REACTIONS 208Pb(17O, 17O), E=340 MeV; measured reaction products, Eγ, Iγ; deduced σ, σ(θ), B(E1). Comparison with DWBA calculations.

doi: 10.1103/PhysRevLett.113.012501
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2014GO20      Phys.Rev. C 90, 034317 (2014)

A.Gottardo, J.J.Valiente-Dobon, G.Benzoni, S.Lunardi, A.Gadea, A.Algora, N.Al-Dahan, G.de Angelis, Y.Ayyad, D.Bazzacco, J.Benlliure, P.Boutachkov, M.Bowry, A.Bracco, A.M.Bruce, M.Bunce, F.Camera, E.Casarejos, M.L.Cortes, F.C.L.Crespi, A.Corsi, A.M.D.Bacelar, A.Y.Deo, C.Domingo-Pardo, M.Doncel, T.Engert, K.Eppinger, G.F.Farrelly, F.Farinon, E.Farnea, H.Geissel, J.Gerl, N.Goel, M.Gorska, J.Grebosz, E.Gregor, T.Habermann, R.Hoischen, R.Janik, P.R.John, S.Klupp, I.Kojouharov, N.Kurz, S.M.Lenzi, S.Leoni, S.Mandal, R.Menegazzo, D.Mengoni, B.Million, V.Modamio, A.I.Morales, D.R.Napoli, F.Naqvi, R.Nicolini, C.Nociforo, M.Pfutzner, S.Pietri, Zs.Podolyak, A.Prochazka, W.Prokopowicz, F.Recchia, P.H.Regan, M.W.Reed, D.Rudolph, E.Sahin, H.Schaffner, A.Sharma, B.Sitar, D.Siwal, K.Steiger, P.Strmen, T.P.D.Swan, I.Szarka, C.A.Ur, P.M.Walker, H.Weick, O.Wieland, H-J.Wollersheim

Isomeric decay spectroscopy of the 217Bi isotope

RADIOACTIVITY 217mBi(IT)[from 9Be(238U, X), E=1 GeV/nucleon]; measured Eγ, Iγ, γγ-coin, isomer half-life by γ(t) using FRS-RISING system at UNILAC-SIS-18 accelerator facility of GSI. 217Bi; deduced levels, J, π, B(E2). Comparison with large-scale shell model calculations and structures of 211,213,215Bi.

NUCLEAR STRUCTURE 211,213,215,217Bi; calculated levels, J, π using large-scale shell model and Kuo-Herling (KH) interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.034317
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2014GR10      Phys.Rev.Lett. 113, 092501 (2014)

E.Grodner, A.Gadea, P.Sarriguren, S.M.Lenzi, J.Grebosz, J.J.Valiente-Dobon, A.Algora, M.Gorska, P.H.Regan, D.Rudolph, G.de Angelis, J.Agramunt, N.Alkhomashi, L.Amon Susam, D.Bazzacco, J.Benlliure, G.Benzoni, P.Boutachkov, A.Bracco, L.Caceres, R.B.Cakirli, F.C.L.Crespi, C.Domingo-Pardo, M.Doncel, Zs.Dombradi, P.Doornenbal, E.Farnea, E.Ganioglu, W.Gelletly, J.Gerl, A.Gottardo, T.Huyuk, N.Kurz, S.Leoni, D.Mengoni, F.Molina, A.I.Morales, R.Orlandi, Y.Oktem, R.D.Page, D.Perez, S.Pietri, Zs.Podolyak, A.Poves, B.Quintana, S.Rinta-Antila, B.Rubio, B.S.Nara Singh, A.N.Steer, S.Verma, R.Wadsworth, O.Wieland, H.J.Wollersheim

Hindered Gamow-Teller Decay to the Odd-Odd N=Z 62Ga: Absence of Proton-Neutron T=0 Condensate in A=62

RADIOACTIVITY 62Ge(EC) [from 9Be(78Kr, X), E=750 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced T1/2, energy levels, J, π, Gamow-Teller strength B(GT). Comparison with ISM using KB3G interaction and QRPA approaches.

doi: 10.1103/PhysRevLett.113.092501
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2014KR05      Phys.Scr. 89, 054016 (2014)

M.Krzysiek, M.Kmiecik, A.Maj, P.Bednarczyk, M.Ciemala, B.Fornal, J.Grebosz, K.Mazurek, W.Meczynski, M.Zieblinski, F.C.L.Crespi, A.Bracco, G.Benzoni, N.Blasi, C.Boiano, S.Bottoni, S.Brambilla, F.Camera, A.Giaz, S.Leoni, B.Million, A.I.Morales, R.Nicolini, L.Pellegri, S.Riboldi, V.Vandone, O.Wieland, G.De Angelis, D.R.Napoli, J.J.Valiente-Dobon, D.Bazzacco, E.Farnea, A.Gottardo, S.Lenzi, S.Lunardi, D.Mengoni, C.Michelagnoli, F.Recchia, C.Ur, A.Gadea, T.Huyuk, D.Barrientos, B.Birkenbach, K.Geibel, H.Hess, P.Reiter, T.Steinbach, A.Wiens, A.Burger, A.Gorgen, M.Guttormsen, A.C.Larsen, S.Siem

Study of the soft dipole modes in 140Ce via inelastic scattering of 17O

NUCLEAR REACTIONS 140Ce(17O, 17O), E=20 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced angular distributions of emitted γ-rays and spectra.

doi: 10.1088/0031-8949/89/5/054016
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2014MO02      Phys.Rev. C 89, 014324 (2014)

A.I.Morales, G.Benzoni, A.Gottardo, J.J.Valiente-Dobon, N.Blasi, A.Bracco, F.Camera, F.C.L.Crespi, A.Corsi, S.Leoni, B.Million, R.Nicolini, O.Wieland, A.Gadea, S.Lunardi, M.Gorska, P.H.Regan, Zs.Podolyak, M.Pfutzner, S.Pietri, P.Boutachkov, H.Weick, J.Grebosz, A.M.Bruce, J.Alcantara Nunez, A.Algora, N.Al-Dahan, Y.Ayyad, N.Alkhomashi, P.R.P.Allegro, D.Bazzacco, J.Benlliure, M.Bowry, M.Bunce, E.Casarejos, M.L.Cortes, A.M.D.Bacelar, A.Y.Deo, G.de Angelis, C.Domingo-Pardo, M.Doncel, Zs.Dombradi, K.Eppinger, G.F.Farrelly, F.Farinon, E.Farnea, H.Geissel, J.Gerl, N.Goel, E.Gregor, T.Habermann, R.Hoischen, R.Janik, S.Klupp, I.Kojouharov, N.Kurz, S.Mandal, R.Menegazzo, D.Mengoni, D.R.Napoli, F.Naqvi, C.Nociforo, A.Prochazka, W.Prokopowicz, F.Recchia, R.V.Ribas, M.W.Reed, D.Rudolph, E.Sahin, H.Schaffner, A.Sharma, B.Sitar, D.Siwal, K.Steiger, P.Strmen, T.P.D.Swan, I.Szarka, C.A.Ur, P.M.Walker, H.-J.Wollersheim

β-decay studies of neutron-rich Tl, Pb, and Bi isotopes

RADIOACTIVITY 211,212,213Tl, 215Pb, 215,215m,216,216m,217,218,219Bi(β-)[from 9Be(238U, X), E=1 GeV]; measured Eγ, Iγ, γγ-, βγ-, αγ-coin, βα-, (ion)βγ- and (ion)αγ-correlated events, half-life of 215Pb g.s., α spectra from decay of 211Bi, 212,213,214,215,216,217,218Po, 217At, 219,220Rn, 221Fr using FRS separator, RISING array for γ rays, and particle detectors at UNILAC-SIS-GIS facility. 211,212,213Pb, 215Bi, 215,216,217,218Po; deduced levels, J, π, β feedings, configurations. Comparisons with shell model calculations. Discussed role of allowed Gamow-Teller and first-forbidden β transitions.

doi: 10.1103/PhysRevC.89.014324
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2014MO15      Phys.Rev.Lett. 113, 022702 (2014)

A.I.Morales, J.Benlliure, T.Kurtukian-Nieto, K.-H.Schmidt, S.Verma, P.H.Regan, Z.Podolyak, M.Gorska, S.Pietri, R.Kumar, E.Casarejos, N.Al-Dahan, A.Algora, N.Alkhomashi, H.Alvarez-Pol, G.Benzoni, A.Blazhev, P.Boutachkov, A.M.Bruce, L.S.Caceres, I.J.Cullen, A.M.D.Bacelar, P.Doornenbal, M.E.Estevez Aguado, G.Farrelly, Y.Fujita, A.B.Garnsworthy, W.Gelletly, J.Gerl, J.Grebosz, R.Hoischen, I.Kojouharov, N.Kurz, S.Lalkovski, Z.Liu, C.Mihai, F.Molina, D.Mucher, B.Rubio, H.Shaffner, S.J.Steer, A.Tamii, S.Tashenov, J.J.Valiente-Dobon, P.M.Walker, H.J.Wollersheim, P.J.Woods

Half-Life Systematics across the N=126 Shell Closure: Role of First-Forbidden Transitions in the β Decay of Heavy Neutron-Rich Nuclei

NUCLEAR REACTIONS Be(208Pb, X)192Re/194Re/195Re/196Re/199Os/200Os/198Ir/199Ir/200Ir/201Ir/202Ir/203Pt/204Pt/204Au/205Au/211Tl/212Tl/213Tl/215Pb/215Bi/216Bi/217Bi/218Bi/219Bi, E=1 GeV/nucleon; measured reaction products, Eγ, Iγ; deduced T1/2. Comparison with FRDM, QRPA calculations.

doi: 10.1103/PhysRevLett.113.022702
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2014PE17      Phys.Lett. B 738, 519 (2014)

L.Pellegri, A.Bracco, F.C.L.Crespi, S.Leoni, F.Camera, E.G.Lanza, M.Kmiecik, A.Maj, R.Avigo, G.Benzoni, N.Blasi, C.Boiano, S.Bottoni, S.Brambilla, S.Ceruti, A.Giaz, B.Million, A.I.Morales, R.Nicolini, V.Vandone, O.Wieland, D.Bazzacco, P.Bednarczyk, M.Bellato, B.Birkenbach, D.Bortolato, B.Cederwall, L.Charles, M.Ciemala, G.De Angelis, P.Desesquelles, J.Eberth, E.Farnea, A.Gadea, R.Gernhauser, A.Gorgen, A.Gottardo, J.Grebosz, H.Hess, R.Isocrate, J.Jolie, D.Judson, A.Jungclaus, N.Karkour, M.Krzysiek, E.Litvinova, S.Lunardi, K.Mazurek, D.Mengoni, C.Michelagnoli, R.Menegazzo, P.Molini, D.R.Napoli, A.Pullia, B.Quintana, F.Recchia, P.Reiter, M.D.Salsac, B.Siebeck, S.Siem, J.Simpson, P.-A.Soderstrom, O.Stezowski, Ch.Theisen, C.Ur, J.J.Valiente Dobon, M.Zieblinski

Pygmy dipole resonance in 124Sn populated by inelastic scattering of 17O

NUCLEAR REACTIONS 124Sn(17O, 17O'), E=340 MeV; measured reaction products, Eγ, Iγ; deduced σ(θ), Form factors, isoscalar strength distribution, pigmy dipole resonance. Comparison with DWBA calculations.

doi: 10.1016/j.physletb.2014.08.029
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2014WE13      Phys.Rev. C 90, 054301 (2014)

A.Wendt, J.Taprogge, P.Reiter, P.Golubev, H.Grawe, S.Pietri, P.Boutachkov, A.Algora, F.Ameil, M.A.Bentley, A.Blazhev, D.Bloor, B.S.Nara Singh, M.Bowry, A.Bracco, N.Braun, F.Camera, J.Cederkall, F.Crespi, A.de la Salle, D.DiJulio, P.Doornenbal, K.Geibel, J.Gellanki, J.Gerl, J.Grebosz, G.Guastalla, T.Habermann, M.Hackstein, R.Hoischen, A.Jungclaus, E.Merchan, B.Million, A.Morales, K.Moschner, Zs.Podolyak, N.Pietralla, D.Ralet, M.Reese, D.Rudolph, L.Scruton, B.Siebeck, N.Warr, O.Wieland, H.J.Wollersheim

Isospin symmetry in the sd shell: Transition strengths in the neutron-deficient sd shell nucleus 33Ar

NUCLEAR REACTIONS 197Au(33Ar, 33Ar'), E=145 MeV/nucleon, [33Ar secondary beam from 9Be(36Ar, X), E=450 MeV/nucleon primary reaction]; measured Eγ, Iγ, (33Ar)γ-coin, ΔE-E plot for Z identification using FRS separator, EUROBALL HPGe cluster detectors, HECTOR BaF2 detector array, and LYCCA particle detector array at GSI facility. Coulomb excitation. 33,36Ar; deduced Doppler-corrected γ spectra, levels, J, π, B(E2) using EUROBALL HPGe cluster detectors and HECTOR detector array. 33Ar, 33P; analyzed mirror energy differences (MED), B(E2). Systematics of B(E2) values for mirror pairs for A=18-38 nuclei. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.90.054301
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2013BA29      Phys.Lett. B 723, 302 (2013)

A.M.D.Bacelar, A.M.Bruce, Zs.Podolyak, N.Al-Dahan, M.Gorska, S.Lalkovski, S.Pietri, M.V.Ricciardi, A.Algora, N.Alkhomashi, J.Benlliure, P.Boutachkov, A.Bracco, E.Calore, E.Casarejos, I.J.Cullen, A.Y.Deo, P.Detistov, Zs.Dombradi, C.Domingo-Pardo, M.Doncel, F.Farinon, G.F.Farrelly, H.Geissel, W.Gelletly, J.Gerl, N.Goel, J.Grebosz, R.Hoischen, I.Kojouharov, N.Kurz, S.Leoni, F.Molina, D.Montanari, A.I.Morales, A.Musumarra, D.R.Napoli, R.Nicolini, C.Nociforo, A.Prochazka, W.Prokopowicz, P.H.Regan, B.Rubio, D.Rudolph, K.-H.Schmidt, H.Schaffner, S.J.Steer, K.Steiger, P.Strmen, T.P.D.Swan, I.Szarka, J.J.Valiente-Dobon, S.Verma, P.M.Walker, H.Weick, H.J.Wollersheim

The population of metastable states as a probe of relativistic-energy fragmentation reactions

NUCLEAR REACTIONS 9Be(238U, X)198Po/200Po/206Po/208Po/208At/209At/210At/211At/210Rn/211Rn/212Rn/213Rn/214Rn/208Fr/211Fr/212Fr/213Fr/214Fr/210Ra/211Ra/212Ra/214Ra/215Ra/215Ac, E=1 GeV/nucleon; measured reaction products, E γ, Iγ; deduced isomeric ratios, high-spin isomers. Comparison with theoretical isomeric ratios calculated in the framework of the abrasion-ablation model.

doi: 10.1016/j.physletb.2013.05.033
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2013GO10      Phys.Lett. B 725, 292 (2013)

A.Gottardo, J.J.Valiente-Dobon, G.Benzoni, A.Gadea, S.Lunardi, P.Boutachkov, A.M.Bruce, M.Gorska, J.Grebosz, S.Pietri, Zs.Podolyak, M.Pfutzner, P.H.Regan, H.Weick, J.Alcantara Nunez, A.Algora, N.Al-Dahan, G.de Angelis, Y.Ayyad, N.Alkhomashi, P.R.P.Allegro, D.Bazzacco, J.Benlliure, M.Bowry, A.Bracco, M.Bunce, F.Camera, E.Casarejos, M.L.Cortes, F.C.L.Crespi, A.Corsi, A.M.D.Bacelar, A.Y.Deo, C.Domingo-Pardo, M.Doncel, Zs.Dombradi, T.Engert, K.Eppinger, G.F.Farrelly, F.Farinon, E.Farnea, H.Geissel, J.Gerl, N.Goel, E.Gregor, T.Habermann, R.Hoischen, R.Janik, P.R.John, S.Klupp, I.Kojouharov, N.Kurz, S.M.Lenzi, S.Leoni, S.Mandal, R.Menegazzo, D.Mengoni, B.Million, V.Modamio, A.I.Morales, D.R.Napoli, F.Naqvi, R.Nicolini, C.Nociforo, A.Prochazka, W.Prokopowicz, F.Recchia, R.V.Ribas, M.W.Reed, D.Rudolph, E.Sahin, H.Schaffner, A.Sharma, B.Sitar, D.Siwal, K.Steiger, P.Strmen, T.P.D.Swan, I.Szarka, C.A.Ur, P.M.Walker, O.Wieland, H.-J.Wollersheim

New μs isomers in the neutron-rich 210Hg nucleus

NUCLEAR REACTIONS 9Be(238U, X)210Hg, E=1 GeV/nucleon; measured reaction products and fragments, Eγ, Iγ, (210Hg)γ(t), γγ-coin, isomer T1/2 using FRS-RISING setup at GSI. 210Hg; deduced levels, isomers, J, π. Comparison with level structure in 208Hg, and with shell-model calculations.

doi: 10.1016/j.physletb.2013.07.053
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2013MO20      Phys.Rev. C 88, 014319 (2013)

A.I.Morales, J.Benlliure, M.Gorska, H.Grawe, S.Verma, P.H.Regan, Zs.Podolyak, S.Pietri, R.Kumar, E.Casarejos, A.Algora, N.Alkhomashi, H.Alvarez-Pol, G.Benzoni, A.Blazhev, P.Boutachkov, A.M.Bruce, L.S.Caceres, I.J.Cullen, A.M.D.Bacelar, P.Doornenbal, M.E.Estevez Aguado, G.Farrelly, Y.Fujita, A.B.Garnsworthy, W.Gelletly, J.Gerl, J.Grebosz, R.Hoischen, I.Kojouharov, N.Kurz, S.Lalkovski, Z.Liu, C.Mihai, F.Molina, D.Mucher, W.Prokopowicz, B.Rubio, H.Schaffner, S.J.Steer, A.Tamii, S.Tashenov, J.J.Valiente-Dobon, P.M.Walker, H.J.Wollersheim, P.J.Woods

β-delayed γ-ray spectroscopy of 203, 204Au and 200-202Pt

RADIOACTIVITY 200,201,202Ir, 203,204Pt(β-)[from 9Be(208Pb, X), E=1 GeV/nucleon]; measured Eγ, Iγ, Eβ, βγ, γγ-coin using the FRS+RISING setup at GSI. 200,201,202Pt, 203,204Au; deduced levels, J, π, multipolarity, β feedings. Comparison with shell-model calculations, and with SDG pair approach.

NUCLEAR STRUCTURE 200,201,202Pt, 203,204Au; calculated levels, J, π. Shell model using OXBASH computer code. Comparison with experimental data.

NUCLEAR REACTIONS 9Be(208Pb, X)200Ir/201Ir/202Ir/203Pt/204Pt, E=1 GeV/nucleon; measured time-of-flight, magnetic rigidity, yields using FRS+RISING facility at GSI.

doi: 10.1103/PhysRevC.88.014319
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2012BE28      Phys.Lett. B 715, 293 (2012)

G.Benzoni, A.I.Morales, J.J.Valiente-Dobon, A.Gottardo, A.Bracco, F.Camera, F.C.L.Crespi, A.M.Corsi, S.Leoni, B.Million, R.Nicolini, O.Wieland, A.Gadea, S.Lunardi, P.Boutachkov, A.M.Bruce, M.Gorska, J.Grebosz, S.Pietri, Zs.Podolyak, M.Pfutzner, P.H.Regan, H.Weick, J.Alcantara Nunez, A.Algora, N.Al-Dahan, G.de Angelis, Y.Ayyad, N.Alkhomashi, P.R.P.Allegro, D.Bazzacco, J.Benlliure, M.Bowry, M.Bunce, E.Casarejos, M.L.Cortes, A.M.D.Bacelar, A.Y.Deo, C.Domingo-Pardo, M.Doncel, Zs.Dombradi, T.Engert, K.Eppinger, G.F.Farrelly, F.Farinon, E.Farnea, H.Geissel, J.Gerl, N.Goel, E.Gregor, T.Habermann, R.Hoischen, R.Janik, S.Klupp, I.Kojouharov, N.Kurz, S.Mandal, R.Menegazzo, D.Mengoni, D.R.Napoli, F.Naqvi, C.Nociforo, A.Prochazka, W.Prokopowicz, F.Recchia, R.V.Ribas, M.W.Reed, D.Rudolph, E.Sahin, H.Schaffner, A.Sharma, B.Sitar, D.Siwal, K.Steiger, P.Strmen, T.P.D.Swan, I.Szarka, C.A.Ur, P.M.Walker, H.-J.Wollersheim

First measurement of beta decay half-lives in neutron-rich Tl and Bi isotopes

RADIOACTIVITY 219Bi, 211,212,213Tl(β-) [from Be(238U, X), E=1 GeV/nucleon]; measured decay products, Eγ, Iγ, X-rays; deduced T1/2. Comparison with FRDM+QRPA calculations.

doi: 10.1016/j.physletb.2012.07.063
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2012BE38      J.Phys.:Conf.Ser. 337, 012070 (2012)

J.Benlliure, H.Alvarez-Pol, T.Kurtukian-Nieto, A.I.Morales, L.Audouin, F.Becker, B.Blank, I.Borzov, E.Casarejos, D.Cortina-Gil, B.Fernandez, J.Giovinazzo, D.Henzlova, B.Jurado, L.Langanke, G.Martinez-Pinedo, P.Napolitani, J.Pereira, F.Rejmund, K.-H.Schmidt, O.Yordanov, for the RISING Collaboration

Approaching r-process nuclei at N = 126

RADIOACTIVITY 194,195,196Re, 199,200Os, 198,201,202Ir, 203,204Pt, 204Au(β-); measured Iβ(t) using DSSSD; deduced T1/2; calculated T1/2 using Gross theory, FR droplet model and energy-density functional.

doi: 10.1088/1742-6596/337/1/012070
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2012GO19      Phys.Rev.Lett. 109, 162502 (2012)

A.Gottardo, J.J.Valiente-Dobon, G.Benzoni, R.Nicolini, A.Gadea, S.Lunardi, P.Boutachkov, A.M.Bruce, M.Gorska, J.Grebosz, S.Pietri, Zs.Podolyak, M.Pfutzner, P.H.Regan, H.Weick, J.Alcantara Nunez, A.Algora, N.Al-Dahan, G.de Angelis, Y.Ayyad, N.Alkhomashi, P.R.P.Allegro, D.Bazzacco, J.Benlliure, M.Bowry, A.Bracco, M.Bunce, F.Camera, E.Casarejos, M.L.Cortes, F.C.L.Crespi, A.Corsi, A.M.D.Bacelar, A.Y.Deo, C.Domingo-Pardo, M.Doncel, Zs.Dombradi, T.Engert, K.Eppinger, G.F.Farrelly, F.Farinon, E.Farnea, H.Geissel, J.Gerl, N.Goel, E.Gregor, T.Habermann, R.Hoischen, R.Janik, S.Klupp, I.Kojouharov, N.Kurz, S.M.Lenzi, S.Leoni, Mandal, R.Menegazzo, D.Mengoni, B.Million, A.I.Morales, D.R.Napoli, F.Naqvi, C.Nociforo, A.Prochazka, W.Prokopowicz, F.Recchia, R.V.Ribas, M.W.Reed, D.Rudolph, E.Sahin, H.Schaffner, A.Sharma, B.Sitar, D.Siwal, K.Steiger, P.Strmen, T.P.D.Swan, I.Szarka, C.A.Ur, P.M.Walker, O.Wieland, H-J.Wollersheim, F.Nowacki, E.Maglione, A.P.Zuker

New Isomers in the Full Seniority Scheme of Neutron-Rich Lead Isotopes: The Role of Effective Three-Body Forces

NUCLEAR REACTIONS Be(238U, X)210Pb/212Pb/214Pb/216Pb, E=1 GeV/nucleon; measured reaction products, Eγ, Iγ; deduced level schemes, J, π, B(E2). Comparison with shell model calculations.

doi: 10.1103/PhysRevLett.109.162502
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2011MO18      Phys.Rev. C 84, 011601 (2011)

A.I.Morales, J.Benlliure, J.Agramunt, A.Algora, N.Alkhomashi, H.Alvarez-Pol, P.Boutachkov, A.M.Bruce, L.S.Caceres, E.Casarejos, A.M.D.Bacelar, P.Doornenbal, D.Dragosavac, G.Farrelly, A.Gadea, W.Gelletly, J.Gerl, M.Gorska, J.Grebosz, I.Kojouharov, F.Molina, D.Perez-Loureiro, S.Pietri, Z.Podolyak, P.H.Regan, B.Rubio, H.Shaffner, S.J.Steer, S.Tashenov, S.Verma, H.J.Wollersheim

Synthesis of N = 127 isotones through (p, n) charge-exchange reactions induced by relativistic 208Pb projectiles

NUCLEAR REACTIONS Be(208Pb, X)207Hg/206Au/205Pt/204Ir, E=1 GeV/nucleon; measured yields of the reaction products, (p, n) charge exchange cross sections, production cross sections, longitudinal, velocity distributions. Comparison with simulated fragmentation yields for 238U projectile. Relevance to r-process nuclei in elemental abundances.

doi: 10.1103/PhysRevC.84.011601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1916. Data from this article have been entered in the XUNDL database. For more information, click here.


2009AL15      Acta Phys.Pol. B40, 871 (2009)

N.Al-Dahan, Zs.Podolyak, P.H.Regan, S.J.Steer, A.M.D.Bacelar, N.Alkhomashi, M.Gorska, J.Gerl, H.J.Wollersheim, S.B.Pietri, H.Grawe, A.Y.Deo, G.Farrelly, P.Boutachkov, C.Domingo-Pardo, A.Algora, J.Benlliure, A.Bracco, A.M.Bruce, E.Calore, E.Casarejos, I.J.Cullen, P.Detistov, Z.Dombradi, M.Doncel, F.Farinon, H.Geissel, W.Gelletly, N.Goel, J.Grebosz, R.Hoischen, I.Kojouharov, N.Kurz, S.Lalkovski, S.Leoni, F.Molina, D.Montanari, A.I.Morales, A.Musumarra, D.R.Napoli, R.Nicolini, C.Nociforo, A.Prochazka, W.Prokopowicz, B.Rubio, D.Rudolph, H.Schaffner, P.Strmen, I.Szarka, T.Swan, J.J.Valiente-Dobon, S.Verma, P.M.Walker, H.Weick

Isomeric States in 208Hg and 209Tl Populated in Fragmentation of 238U

RADIOACTIVITY 208Hg, 209Tl(IT); measured Eγ, Iγ, isomeric states.Comparison with shell model calculation.


2009AL29      Phys.Rev. C 80, 061302 (2009)

N.Al-Dahan, Zs.Podolyak, P.H.Regan, M.Gorska, H.Grawe, K.H.Maier, J.Gerl, S.B.Pietri, H.J.Wollersheim, N.Alkhomashi, A.Y.Deo, A.M.D.Bacelar, G.Farrelly, S.J.Steer, A.M.Bruce, P.Boutachkov, C.Domingo-Pardo, A.Algora, J.Benlliure, A.Bracco, E.Calore, E.Casarejos, I.J.Cullen, P.Detistov, Zs.Dombradi, M.Doncel, F.Farinon, W.Gelletly, H.Geissel, N.Goel, J.Grebosz, R.Hoischen, I.Kojouharov, N.Kurz, S.Lalkovski, S.Leoni, F.Molina, D.Montanari, A.I.Morales, A.Musumarra, D.R.Napoli, R.Nicolini, C.Nociforo, A.Prochazka, W.Prokopowicz, B.Rubio, D.Rudolph, H.Schaffner, P.Strmen, I.Szarka, T.Swan, J.S.Thomas, J.J.Valiente-Dobon, S.Verma, P.M.Walker, H.Weick

Nuclear structure "southeast" of 208Pb: Isomeric states in 208Hg and 209Tl

NUCLEAR REACTIONS 9Be(238U, X)206Hg/208Hg/209Tl, E=1 GeV/nucleon; measured Eγ, Iγ, delayed γ, (particle)γ-coin, and half-lives using RISING array at GSI facility. 208Hg, 209Tl; deduced levels, J, π, isomers, and B(E2). Systematics of energies of first 2+ and 4+ states in even-even nuclei with Z=74-90, and N=112-138. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.80.061302
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2009AL30      Phys.Rev. C 80, 064308 (2009)

N.Alkhomashi, P.H.Regan, Zs.Podolyak, S.Pietri, A.B.Garnsworthy, S.J.Steer, J.Benlliure, E.Caserejos, R.F.Casten, J.Gerl, H.J.Wollersheim, J.Grebosz, G.Farrelly, M.Gorska, I.Kojouharov, H.Schaffner, A.Algora, G.Benzoni, A.Blazhev, P.Boutachkov, A.M.Bruce, A.M.D.Bacelar, I.J.Cullen, L.Caceres, P.Doornenbal, M.E.Estevez, Y.Fujita, W.Gelletly, R.Hoischen, R.Kumar, N.Kurz, S.Lalkovski, Z.Liu, C.Mihai, F.Molina, A.I.Morales, D.Mucher, W.Prokopowicz, B.Rubio, Y.Shi, A.Tamii, S.Tashenov, J.J.Valiente-Dobon, P.M.Walker, P.J.Woods, F.R.Xu

β+-delayed spectroscopy of neutron-rich tantalum nuclei: Shape evolution in neutron-rich tungsten isotopes

NUCLEAR REACTIONS Be(208Pb, X)186Hf/187Hf/188Hf/189Hf/188Ta/189Ta/190Ta/191Ta/192Ta/190W/191W/192W/193W/194W/192Re/193Re/194Re/195Re/196Re, E=1 GeV/nucleon; measured yields. 187Hf, 188,189,190Ta, 190,191W, 192,193Re; measured delayed γ; deduced isomers and half-lives.

RADIOACTIVITY 188,190,192Ta(β-)[from Be(208Pb, X), E=1 GeV/nucleon]; measured Eγ, Iγ, γγ-coin, βγ correlations, and half-lives using GSI Fragment separator, MUSIC ionization chamber; and RISING array. 188,190,192W; deduced levels, J, π, logft. Comparison with interacting boson approximation (IBA-1) calculations for 190W. Z=56-80, N=84-122; discussed systematics of first 2+ and 4+ states, B(E2), and γ deformation parameter in even-even nuclei.

doi: 10.1103/PhysRevC.80.064308
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2009BA28      Acta Phys.Pol. B40, 889 (2009)

A.M.D.Bacelar, A.M.Bruce, Zs.Podolyak, S.Lalkovski, S.Pietri, N.Al-Dahan, M.Gorska, A.Algora, N.Alkhomashi, J.Benlliure, P.Boutachkov, A.Bracco, E.Calore, E.Casarejos, I.J.Cullen, A.Y.Deo, P.Detistov, Z.Dombradi, C.Domingo-Pardo, M.Doncel, F.Farinon, G.F.Farrelly, H.Geissel, W.Gelletly, J.Gerl, N.Goel, J.Grebosz, R.Hoischen, I.Kojouharov, N.Kurz, S.Leoni, F.Molina, A.I.Morales, D.Montanari, A.Musumarra, R.Nicolini, D.R.Napoli, C.Nociforo, A.Prochazka, W.Prokopowicz, P.H.Regan, B.Rubio, D.Rudolph, S.Verma, S.J.Steer, P.Strmen, T.P.D.Swan, I.Szarka, J.J.Valiente-Dobon, P.M.Walker, H.Weick, H.J.Wollersheim

Angular Momentum Population in Fragmentation Reactions

RADIOACTIVITY 209,210,211At, 213Rn(IT); measured Eγ, Iγ.


2009MO17      Acta Phys.Pol. B40, 867 (2009)

A.I.Morales, J.Benlliure, P.H.Regan, Z.Podolyak, M.Gorska, N.Alkhomashi, S.Pietri, R.Kumar, E.Casarejos, J.Agramunt, A.Algora, H.Alvarez-Pol, G.Benzoni, A.Blazhev, P.Boutachkov, A.M.Bruce, L.S.Caceres, I.J.Cullen, A.M.D.Bacelar, P.Doornenbal, D.Dragosavac, M.E.Estevez, G.Farrelly, Y.Fujita, A.B.Garnsworthy, W.Gelletly, J.Gerl, J.Grebosz, R.Hoischen, I.Kojouharov, N.Kurz, S.Lalkovski, Z.Liu, D.Perez-Loureiro, W.Prokopowicz, C.Mihai, F.Molina, D.Mucher, B.Rubio, H.Schaffner, S.J.Steer, A.Tamii, S.Tashenov, J.J.Valiente Dobon, S.Verma, P.M.Walker, H.J.Wollersheim, P.J.Woods

β-Delayed g-Ray Spectroscopy of Heavy Neutron Rich Nuclei "South" of Lead

RADIOACTIVITY 204Pt(β-); measured delayed βγ-coin., Eγ, Iγ. deduced T1/2.

Data from this article have been entered in the XUNDL database. For more information, click here.


2008RE14      Int.J.Mod.Phys. E17, Supplement 1, 8 (2008)

P.H.Regan, N.Alkhomashi, N.Al-Dahan, Zs.Podolyak, S.B.Pietri, S.J.Steer, A.B.Garnsworthy, E.B.Suckling, P.D.Stevenson, G.Farrelly, I.J.Cullen, W.Gelletly, P.M.Walker, J.Benlliure, A.I.Morales, E.Casajeros, M.E.Estevez, J.Gerl, M.Gorska, H.J.Wollersheim, P.Boutachkov, S.Tashenov, I.Kojouharov, H.Schaffner, N.Kurz, R.Kumar, B.Rubio, A.Algora, F.Molina, J.Grebosz, G.Benzoni, D.Mucher, A.M.Bruce, A.M.D.Bacelar, S.Lalkovski, Y.Fujita, A.Tamii, R.Hoischen, Z.Liu, P.J.Woods, C.Mihai, J.J.Valiente-Dobon

First results with the rising active stopper

doi: 10.1142/S0218301308011719
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2005AR25      Phys.Rev.Lett. 95, 142501 (2005)

C.Arnaboldi, D.R.Artusa, F.T.Avignone III, M.Balata, I.Bandac, M.Barucci, J.W.Beeman, C.Brofferio, C.Bucci, S.Capelli, L.Carbone, S.Cebrian, O.Cremonesi, R.J.Creswick, A.de Waard, H.A.Farach, E.Fiorini, G.Frossati, E.Guardincerri, A.Giuliani, P.Gorla, E.E.Haller, R.J.McDonald, A.Morales, E.B.Norman, A.Nucciotti, E.Olivieri, M.Pallavicini, E.Palmieri, E.Pasca, M.Pavan, M.Pedretti, G.Pessina, S.Pirro, E.Previtali, L.Risegari, C.Rosenfeld, S.Sangiorgio, M.Sisti, A.R.Smith, L.Torres, G.Ventura

New Limit on the Neutrinoless ββ Decay of 130Te

RADIOACTIVITY 130Te(2β-); measured 0νββ-decay T1/2 lower limit.

doi: 10.1103/PhysRevLett.95.142501
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2005PI02      Nucl.Phys. B(Proc.Supp.) S138, 210 (2005)

S.Pirro, C.Arnaboldi, D.R.Artusa, F.T.Avignone III, M.Balata, I.Bandac, M.Barucci, J.Beeman, C.Brofferio, C.Bucci, S.Capelli, F.Capozzi, L.Carbone, S.Cebrian, O.Cremonesi, R.J.Creswick, A.de Waard, H.A.Farach, A.Fascilla, E.Fiorini, G.Frossati, A.Giuliani, P.Gorla, E.E.Haller, I.G.Irastorza, R.J.McDonald, A.Morales, E.B.Norman, A.Nucciotti, E.Olivieri, V.Palmieri, E.Pasca, M.Pavan, M.Pedretti, G.Pessina, E.Previtali, C.Pobes, M.Pyle, L.Risegari, C.Rosenfeld, M.Sisti, A.R.Smith, L.Torres, G.Ventura

First results of the CUORICINO experiment

RADIOACTIVITY 130Te(2β-); measured 0ν2β-decay T1/2 lower limit.

doi: 10.1016/j.nuclphysbps.2004.11.050
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2004AA02      Phys.Rev. D 70, 078302 (2004)

C.E.Aalseth, F.T.Avignone, III, R.L.Brodzinski, S.Cebrian, E.Garcia, D.Gonzales, W.K.Hensley, I.G.Irastorza, I.V.Kirpichnikov, A.A.Klimenko, H.S.Miley, A.Morales, J.Morales, A.Ortiz de Solorzano, S.B.Osetrov, V.S.Pogosov, J.Puimedon, J.H.Reeves, M.L.Sarsa, A.A.Smolnikov, A.S.Starostin, A.G.Tamanyan, A.A.Vasenko, S.I.Vasiliev, J.A.Villar

The IGEX experiment reexamined: A response to the critique of Klapdor-Kleingrothaus, Dietz, and Krivosheina

RADIOACTIVITY 76Ge(2β-); reanalyzed the previous data; deduced neutrinoless mode limits on T1/2, nuclear matrix element, Majorana neutrino mass.

doi: 10.1103/PhysRevD.70.078302
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2004AR04      Phys.Lett. B 584, 260 (2004)

C.Arnaboldi, D.R.Artusa, F.T.Avignone III, M.Balata, I.Bandac, M.Barucci, J.W.Beeman, C.Brofferio, C.Bucci, S.Capelli, F.Capozzi, L.Carbone, S.Cebrian, O.Cremonesi, R.J.Creswick, A.de Waard, H.A.Farach, A.Fascilla, E.Fiorini, G.Frossati, A.Giuliani, P.Gorla, E.E.Haller, R.J.McDonald, A.Morales, E.B.Norman, A.Nucciotti, E.Olivieri, E.Palmieri, E.Pasca, M.Pavan, M.Pedretti, G.Pessina, S.Pirro, C.Pobes, E.Previtali, M.Pyle, L.Risegari, C.Rosenfeld, S.Sangiorgio, M.Sisti, A.R.Smith, L.Torres, G.Ventura

First results on neutrinoless double beta decay of 130Te with the calorimetric CUORICINO experiment

RADIOACTIVITY 130Te(2β-); measured 0ν-accompanied 2β-decay T1/2 lower limit; deduced neutrino mass upper limit.

doi: 10.1016/j.physletb.2004.01.040
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2004MO22      Nucl.Phys. B(Proc.Supp.) S114, 141 (2004)

A.Morales, J.Morales

The Neutrinoless Double Beta Decay: The Case for Germanium Detectors

RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 130Te, 136Xe, 150Nd(2β-); compiled, analyzed 0ν-accompanied 2β-decay data.

doi: 10.1016/S0920-5632(02)01901-1
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2003CE01      Phys.Lett. B 556, 14 (2003)

S.Cebrian, N.Coron, G.Dambier, P.de Marcillac, E.Garcia, I.G.Irastorza, J.Leblanc, A.Morales, J.Morales, A.Ortiz de Solorzano, J.Puimedon, M.L.Sarsa, J.A.Villar

Improved limits for natural α radioactivity of tungsten with a CaWO4 scintillating bolometer

RADIOACTIVITY 180,182,183,184,186W(α); measured T1/2 lower limits. CaWO4 scintillating bolometer.

doi: 10.1016/S0370-2693(03)00123-0
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2002AA01      Phys.Rev. D65, 092007 (2002); Comment Phys.Rev. D70, 078301 (2004)

C.E.Aalseth, F.T.Avignone III, R.L.Brodzinski, S.Cebrian, E.Garcia, D.Gonzalez, W.K.Hensley, I.G.Irastorza, I.V.Kirpichnikov, A.A.Klimenko, H.S.Miley, A.Morales, J.Morales, A.Ortiz de Solorzano, S.B.Osetrov, V.S.Pogosov, J.Puimedon, J.H.Reeves, M.L.Sarsa, A.A.Smolnikov, A.S.Starostin, A.G.Tamanyan, A.A.Vasenko, S.I.Vasiliev, J.A.Villar, and the IGEX Collaboration

IGEX 76Ge Neutrinoless Double-Beta Decay Experiment: Prospects for next generation experiments

RADIOACTIVITY 76Ge(2β-); measured 0ν-accompanied 2β-decay T1/2 lower limit; deduced neutrino mass upper limit.

doi: 10.1103/PhysRevD.65.092007
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2002BR25      Czech.J.Phys. 52, 531 (2002)

C.Brofferio, C.Arnaboldi, S.Capelli, L.Carbone, O.Cremonesi, E.Fiorini, D.Giugni, P.Negri, A.Nucciotti, M.Pavan, G.Pessina, S.Pirro, E.Previtali, M.Sisti, M.Vanzini, L.Zanotti, J.Beeman, R.J.McDonald, E.E.Haller, E.B.Norman, A.R.Smith, A.Giuliani, M.Pedretti, M.Barucci, G.Ventura, M.Balata, C.Bucci, C.Pobes, V.Palmieri, G.Frossati, A.De Waard, F.T.Avignone, R.J.Creswick, H.A.Farach, C.Rosenfeld, S.Cebrian, I.G.Irastorza, A.Morales

Present and Future Cryogenic Experiments on Double-Beta Decay

doi: 10.1023/A:1015361411086
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2000AA01      Yad.Fiz. 63, No 7, 1299 (2000); Phys.Atomic Nuclei 63, 1225 (2000)

C.E.Aalseth, F.T.Avignone III, R.L.Brodzinski, S.Cebrian, D.Gonzales, E.Garcia, W.K.Hensley, I.G.Irastorza, I.V.Kirpichnikov, A.A.Klimenko, H.S.Miley, A.Morales, J.Morales, A.Ortiz de Solorzano, S.B.Osetrov, V.S.Pogosov, J.Puimedon, J.H.Reeves, M.L.Sarsa, S.Scopel, A.A.Smolnikov, A.S.Starostin, A.G.Tamanyan, A.A.Vasenko, S.I.Vasiliev, J.A.Villar

Recent Results of the IGEX 76Ge Double-Beta Decay Experiment

RADIOACTIVITY 76Ge(2β-); measured 0ν accompanied 2β-decay T1/2 lower limit; deduced neutrino mass limit. Germanium detectors.

doi: 10.1134/1.855774
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2000GO25      Nucl.Phys. B(Proc.Supp.) S87, 278 (2000)

D.Gonzalez, C.E.Aalseth, F.T.Avignone III, R.L.Brodzinski, S.Cebrian, E.Garcia, W.K.Hensley, I.G.Irastorza, I.V.Kirpichnikov, A.A.Klimenko, H.S.Miley, A.Morales, J.Morales, A.Ortiz de Solorzano, S.B.Osetrov, V.S.Pogosov, J.Puimedon, J.H.Reeves, M.L.Sarsa, S.Scopel, A.A.Smolnikov, A.G.Tamanyan, S.I.Vasiliev, J.A.Villar

Current IGEX Results for Neutrinoless Double-Beta Decay of 76Ge

RADIOACTIVITY 76Ge(2β-); measured 0ν-accompanied 2β-decay T1/2 lower limit; deduced neutrino mass limits. Pulse shape discrimination for background rejection.

doi: 10.1016/S0920-5632(00)00679-4
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1999AA01      Nucl.Phys. B(Proc.Supp.) S70, 236 (1999)

C.E.Aalseth, F.T.Avignone III, R.L.Brodzinski, J.I.Collar, D.Gonzales, E.Garcia, F.Hasenbalg, W.K.Hensley, I.V.Kirpichnikov, A.A.Klimenko, H.S.Miley, A.Morales, J.Morales, A.Oritz de Solorzano, S.B.Osetrov, V.S.Pogosov, J.Puimedon, J.H.Reeves, A.Salinas, M.L.Sarsa, A.A.Smolnikov, A.S.Starostin, A.G.Tamanyan, A.V.Vasenko, S.I.Vasilev, J.A.Villar

The Status of the IGEX 76Ge Double-Beta Decay Experiment in 1997

RADIOACTIVITY 76Ge(2β-); measured 0ν accompanied 2β decay T1/2 lower limit.

doi: 10.1016/S0920-5632(98)00426-5
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1999AA02      Phys.Rev. C59, 2108 (1999)

C.E.Aalseth, F.T.Avignone III, R.L.Brodzinski, J.I.Collar, E.Garcia, D.Gonzalez, F.Hasenbalg, W.K.Hensley, I.V.Kirpichnikov, A.A.Klimenko, H.S.Miley, A.Morales, J.Morales, A.Ortiz de Solorzano, S.B.Osetrov, V.S.Pogosov, J.Puimedon, J.H.Reeves, A.Salinas, M.L.Sarsa, A.A.Smolnikov, A.S.Starostin, A.G.Tamanyan, A.A.Vasenko, S.I.Vasilev, J.A.Villar, and the IGEX Collaboration

Neutrinoless Double-β Decay of 76Ge: First results from the International Germanium Experiment (IGEX) with six Isotopically enriched detectors

RADIOACTIVITY 76Ge(2β); measured 0ν accompanied 2β-decay T1/2 lower limit; deduced neutrino mass parameter upper bound.

doi: 10.1103/PhysRevC.59.2108
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1999MO40      Nucl.Phys. B(Proc.Supp.) S77, 335 (1999)

A.Morales

Review on double beta decay experiments and comparison with theory

RADIOACTIVITY 76Ge(2β-); measured decay products, Eβ, Iβ; deduced two-neutrino mode T1/2. IGEX experiment.

doi: 10.1016/s0920-5632(99)00440-5
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1996AA02      Nucl.Phys.(Proc.Suppl.) S48, 223 (1996)

C.E.Aalseth, F.T.Avignone III, R.L.Brodzinski, J.I.Collar, E.Garcia, D.Gonzales, F.Hasenbalg, W.K.Hensley, I.V.Kirpichnikov, A.A.Klimenko, H.S.Miley, A.Morales, J.Morales, A.Ortiz de Solorzano, S.B.Osetrov, V.S.Pogosov, J.Puimedon, J.H.Reeves, C.Saenz, A.Salinas, M.L.Sarsa, A.A.Smolnikov, A.S.Starostin, A.G.Tamanyan, A.A.Vasenko, S.I.Vasilev, J.A.Villar

Recent Results from the IGEX Double-Beta Decay Experiment

RADIOACTIVITY 76Ge(2β); measured 2ν-, 0ν-accompanied 2β-decay T1/2. Six detector International Germanium Experiment.

doi: 10.1016/0920-5632(96)00244-7
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1996MO23      Nucl.Phys.(Proc.Suppl.) S48, 210 (1996)

A.Morales

Double Beta Decay. Introduction and Summary

RADIOACTIVITY 76Ge, 48Ca, 82Se, 100Mo, 116Cd, 128,130Te, 136Xe, 150Nd(2β); compiled, reviewed 0ν-accompanied 2β-decay T1/2, < m(ν) > bounds.

doi: 10.1016/0920-5632(96)00241-1
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1995AH07      Phys.Lett. 353B, 168 (1995)

Y.Aharonov, F.T.Avignone III, R.L.Brodzinski, J.I.Collar, E.Garcia, H.S.Miley, A.Morales, J.Morales, S.Nussinov, A.Oritz de Solorzano, J.Puimedon, J.H.Reeves, C.Saenz, A.Salinas, M.L.Sarsa, J.A.Villar

New Experimental Limits for the Electron Stability

doi: 10.1016/0370-2693(95)00514-L
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1995SA58      Nucl.Instrum.Methods Phys.Res. A356, 220 (1995)

C.Saenz, J.Morales, J.A.Villar, A.Morales, J.Puimedon, A.Ortiz de Solorzano, E.Garcia, R.Nunez-Lagos, A.Salinas, M.L.Sarsa, V.Kuzminov, A.Klimenko, N.Metlinsky, V.Novikov, A.Pomansky, B.Pritychenko

An Ionization Chamber for Coincidence Experiments in a Search for Double Beta Positron Decay and Electron Positron Conversion of 78Kr

RADIOACTIVITY 78Kr(2β); measured 0ν+2ν-accompanied 2β-decay T1/2 with 69% confidence limit. High pressure ionization chamber, NaI detectors array.

doi: 10.1016/0168-9002(94)01402-7
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1994SA31      Phys.Rev. C50, 1170 (1994)

C.Saenz, E.Cerezo, E.Garcia, A.Morales, J.Morales, R.Nunez-Lagos, A.Ortiz de Solorzano, J.Puimedon, A.Salinas, M.L.Sarsa, J.A.Villar, A.Klimenko, V.Kuzminov, N.Metlinsky, V.Novikov, A.Pomansky, B.Pritychenko

Results of a Search for Double Positron Decay and Electron-Positron Conversion of 78Kr

RADIOACTIVITY 78Kr(2β+); measured 0ν-, 2ν-accompanied 2β+-, 0ν-accompanied Kβ+-decay T1/2 lower limits. High pressure ionization chamber of enriched 78Kr inside NaI scintillators array.

doi: 10.1103/PhysRevC.50.1170
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1993BR22      Nucl.Phys. B(Proc.Supp.) S31, 76 (1993)

R.L.Brodzinski, F.T.Avignone, J.I.Collar, H.Courant, E.Garcia, C.K.Guerard, W.K.Hensley, I.V.Kirpichnikov, H.S.Miley, A.Morales, J.Morales, R.Nunez-Lagos, S.B.Osetrov, V.S.Pogosov, A.A.Pomansky, J.Puimedon, J.H.Reeves, K.Ruddick, C.Saenz, A.Salinas, M.L.Sarsa, A.A.Smolnikov, A.S.Starostin, A.G.Tamanyan, S.I.Vasilev, J.A.Villar

Status Report on the International Germanium Experiment

RADIOACTIVITY 76Ge(2β); measured 2ν-accompanied 2β-decay spectrum. Enriched detector in Homestake mine.

doi: 10.1016/0920-5632(93)90116-N
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1992KU25      At.Energ. 73, 499 (1992); Sov.At.Energy 73, 1010 (1992)

V.V.Kuzminov, V.M.Novikov, A.A.Pomansky, B.V.Pritychenko, J.Vieiar, E.Garcia, A.Morales, J.Morales, R.Nunez-Lagos, J.Puimedon, C.Saenz, A.Salinas, M.Sarsa

Radioactive 85Kr in Krypton Enriched with a Light Isotope

doi: 10.1007/BF00761444
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1992LA15      Nuovo Cim. 105A, 535 (1992)

A.Larrea, A.Morales

Tin and Cadmium Superheated Superconducting Micrograin Chambers as Neutrinoless Double-Beta-Decay Detectors

doi: 10.1007/BF02730791
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1991MO23      Nuovo Cim. 104A, 1581 (1991)

A.Morales, J.Morales, R.Nunez-Lagos, J.Puimedon, J.A.Villar, A.Larrea, E.Garcia, C.Saenz

Results of a Search of the Neutrinoless Decay of 76Ge to the First Excited State of 76Se in the Canfranc Tunnel

RADIOACTIVITY 76Ge(2β); measured γγ-coin; deduced no evidence for 0ν-accompanied 2β-decay. High confidence level, Canfranc tunnel study, comparison with Frejus tunnel data.

doi: 10.1007/BF02817441
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1991MO27      J.Phys.(London) G17, S203 (1991)

A.Morales

Searching for Right-Handed Current Couplings in 76Ge Double Beta Decays

RADIOACTIVITY 76Ge(2β); measured not given; deduced exclusion of 78% confidence level 0ν-accompanied 2β-decay result; compiled, reviewed 0ν-accompanied 2β-decay.

doi: 10.1088/0954-3899/17/S/021
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1991MO28      J.Phys.(London) G17, S211 (1991)

A.Morales, J.Morales, R.Nunez-Lagos, J.Puimedon, J.A.Villar, A.Larrea, E.Garcia

A Search of the Neutrinoless Decay of 76Ge to the First Excited State of 76Se in the Canfranc Tunnel

RADIOACTIVITY 76Ge(2β); measured ββγ-coin following 2β-decay; deduced exclusion of neutrinoless double β-decay effect.

doi: 10.1088/0954-3899/17/S/022
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1989MO18      Nuovo Cim. 102A, 939 (1989)

A.Morales, J.Morales, R.Nunez-Lagos, J.Puimedon, J.A.Villar, A.Larrea

A Reply to the Comments of J.Busto et al. on Our Paper

doi: 10.1007/BF02730759
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1988MO35      Nuovo Cim. 100A, 525 (1988)

A.Morales, J.Morales, R.Nunez-Lagos, J.Puimedon, J.A.Villar, A.Larrea

Results of a Search on the Neutrinoless Double Beta Decay of 76Ge to the Excited States of 76Se

RADIOACTIVITY 76Ge(2β); measured T1/2 lower limits.

doi: 10.1007/BF02789497
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1985HU01      Nuovo Cim. 85A, 19 (1985)

Ph.Hubert, F.Leccia, D.Dassie, P.Mennrath, M.M.Villard, A.Morales, J.Morales, R.Nunez-Lagos, J.A.Villar

Neutrinoless Double Beta Decay in 76Ge for Transitions to Excited States of 76Se

RADIOACTIVITY 76Ge(2β-); measured T1/2 lower limit. Ge(Li) detectors, 4π geometry NaI detector assembly.

doi: 10.1007/BF02902386
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1984AB02      J.Phys.(Paris), Colloq.C3, 147 (1984)

J.Abad, A.Morales, R.Nunez-Lagos, A.F.Pacheco

An Estimation of the Rates of (Two-Neutrino) Double Beta Decay and Related Process

NUCLEAR STRUCTURE 64Zn, 78Kr, 106,108Cd, 112Sn, 120Te, 130,132Ba, 136,138Ce, 162Er; calculated (EC+β+), double electron capture decay rates. Intermediate isobar state dominance.

RADIOACTIVITY 64Zn, 78Kr, 106,108Cd, 112Sn, 120Te, 130,132Ba, 136,138Ce, 162Er(2β); calculated decay rates. Intermediate isobar state dominance.


1983AB05      Nuovo Cim. 75A, 173 (1983)

J.Abad, A.Morales, R.Nunez-Lagos, A.F.Pacheco

A Dynamical Mechanism for the Two-Neutrino Double Beta Decay

RADIOACTIVITY 128,130Te(β-β-); calculated two-neutrino double β-decay T1/2, ratio. Dynamical model.

doi: 10.1007/BF02828985
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1983LE08      Nuovo Cim. 74A, 28 (1983)

F.Leccia, Ph.Hubert, P.Mennrath, A.Morales, J.Morales, R.Nunez-Lagos, M.Plo

A Search on the Parity-Forbidden Alpha Width of the E(x) = 4.753 MeV (Jπ, T = 0+, 1) Level of 18F

NUCLEAR REACTIONS 14N(α, γ), E=0.45, 1.527-1.529 MeV; measured Eγ, Iγ. 18F level deduced parity nonconserving Γα.

doi: 10.1007/BF02829859
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1983LE27      Nuovo Cim. 78A, 50 (1983)

F.Leccia, Ph.Hubert, D.Dassie, P.Mennrath, M.M.Villard, A.Morales, J.Morales, R.Nunez-Lagos

Neutrinoless Double β-Decay in 76Ge

RADIOACTIVITY 76Ge(β-β-); measured T1/2 lower limit. Ge(Li), NaI detector multicoincidence setup.

doi: 10.1007/BF02911511
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Note: The following list of authors and aliases matches the search parameter A.Morales: , A.I.MORALES