NSR Query Results
Output year order : Descending NSR database version of March 18, 2024. Search: Author = F.Naqvi Found 73 matches. 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
2022NA07 Nucl.Phys. A1018, 122359 (2022) F.Naqvi, S.Karampagia, A.Spyrou, S.N.Liddick, A.C.Dombos, D.L.Bleuel, B.A.Brown, L.Crespo Campo, A.Couture, B.Crider, T.Ginter, M.Guttormsen, A.C.Larsen, R.Lewis, P.Moller, S.Mosby, G.Perdikakis, C.Prokop, T.Renstrom, S.Siem Total absorption spectroscopy measurement on neutron-rich 74, 75Cu isotopes RADIOACTIVITY 74,75Cu(β-) [from 9Be(86Kr, X), E=140 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced T1/2, cumulative β-decay intensities, B(GT). Comparison with available data.
doi: 10.1016/j.nuclphysa.2021.122359
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
2021DO03 Phys.Rev. C 103, 025810 (2021) A.C.Dombos, A.Spyrou, F.Naqvi, S.J.Quinn, S.N.Liddick, A.Algora, T.Baumann, J.Brett, B.P.Crider, P.A.DeYoung, T.Ginter, J.Gombas, S.Lyons, T.Marketin, P.Moller, W.-J.Ong, A.Palmisano, J.Pereira, C.J.Prokop, P.Sarriguren, D.P.Scriven, A.Simon, M.K.Smith, S.Valenta Total absorption spectroscopy of the β decay of 101, 102Zr and 109Tc RADIOACTIVITY 101,102Zr, 109Tc(β-)[from 9Be(124Sn, X), E=120 MeV/nucleon, followed by separation of fragments using A1900 separator at NSCL-MSU]; measured Eγ, Iγ, implanted ions, (implants)γ-correlations using Summing NaI(Tl) (SuN) detector for total absorption spectroscopy; deduced β feedings as function of excitation energy, B(GT). Comparison with theoretical results from three different quasiparticle random-phase approximation (QRPA) models to investigate the ground-state shapes of the parent nuclei, and to test commonly used models that provide β-decay properties in r-process network calculations.
doi: 10.1103/PhysRevC.103.025810
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
2021GO10 Phys.Rev. C 103, 035803 (2021) J.Gombas, P.A.DeYoung, A.Spyrou, A.C.Dombos, A.Algora, T.Baumann, B.Crider, J.Engel, T.Ginter, E.Kwan, S.N.Liddick, S.Lyons, F.Naqvi, E.M.Ney, J.Pereira, C.Prokop, W.Ong, S.Quinn, D.P.Scriven, A.Simon, C.Sumithrarachchi β-decay feeding intensity distributions for 103, 104mNb RADIOACTIVITY 103,104mNb(β-)[from 9Be(124Sn, X), E not given, followed by separation of fragments using A1900 separator at NSCL-MSU]; measured reaction products and particle identification plot from 9Be(124Sn, X), Eγ, Iγ, total absorption gamma spectra from the decays of 103Nb and 104mNb using Summing NaI(Tl) (SuN) detector at the NSCL-MSU; deduced Iβ feedings to levels in 103Mo and 104Mo, cumulative B(GT) values. Comparison to predictions of quasiparticle random-phase approximation (QRPA) model. Relevance to antineutrino studies of nuclear reactors, and astrophysical r process.
doi: 10.1103/PhysRevC.103.035803
2021PE08 Phys.Rev. C 103, 055808 (2021) C.F.Persch, P.A.DeYoung, S.Lyons, A.Spyrou, S.N.Liddick, F.Naqvi, B.P.Crider, A.C.Dombos, J.Gombas, D.L.Bleuel, B.A.Brown, A.Couture, L.Crespo Campo, J.Engel, M.Guttormsen, A.C.Larsen, R.Lewis, S.Karampagia, S.Mosby, E.M.Ney, A.Palmisano, G.Perdikakis, C.J.Prokop, T.Renstrom, S.Siem, M.K.Smith, S.J.Quinn β-decay feeding intensity distributions of 71, 73Ni RADIOACTIVITY 71,73Ni(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon, followed by separation of fragments using A1900 fragment separator at NSCL-MSU facility]; measured implantation events and β particles using position-sensitive, double-sided, silicon-strip detector (DSSD), and two silicon PIN detectors for TOF and energy loss, Eγ, Iγ, half-lives of decays of 71,73Ni using a total absorption summing NaI(Tl) detector (SuN) surrounding the DSSD; deduced multiplicity spectra, Iβ(E) feedings, B(GT). GEANT4 and DICEBOX analysis of total absorption spectrum (TAS). Comparison with QRPA, and shell-model calculations, the latter using NuShellX@MSU code with JJ44B and JUN45 interaction Hamiltonians. Relevance to improvement in the nuclear input for r-process calculations. NUCLEAR REACTIONS 9Be(86Kr, X)71Ni/73Ni/71Cu/73Cu/, E=140 MeV/nucleon; measured yields of reaction products using A1900 fragment separator and two silicon PIN detectors for TOF and energy loss at NSCL-MSU facility.
doi: 10.1103/PhysRevC.103.055808
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
2021WA49 Phys.Lett. B 823, 136766 (2021) H.Watanabe, C.X.Yuan, G.Lorusso, S.Nishimura, Z.Y.Xu, T.Sumikama, P.-A.Soderstrom, P.Doornenbal, F.Browne, G.Gey, H.S.Jung, J.Taprogge, Zs.Vajta, H.K.Wang, J.Wu, A.Yagi, H.Baba, G.Benzoni, K.Y.Chae, F.C.L.Crespi, N.Fukuda, R.Gernhauser, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.K.Kim, I.Kojouharov, F.G.Kondev, T.Kubo, N.Kurz, Y.K.Kwon, G.J.Lane, Z.Li, C.-B.Moon, A.Montaner-Piza, K.Moschner, F.Naqvi, M.Niikura, H.Nishibata, D.Nishimura, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, H.Sakurai, H.Schaffner, G.S.Simpson, K.Steiger, H.Suzuki, H.Takeda, A.Wendt, K.Yoshinaga Impact of shell evolution on Gamow-Teller β decay from a high-spin long-lived isomer in 127Ag RADIOACTIVITY 127Cd(EC), 127Ag(IT) [from 9Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ, γ-γ-coin.; deduced γ -ray energies and intensities, J, π, B(GT), isomeric T1/2. Comparison with shell model calculations.
doi: 10.1016/j.physletb.2021.136766
2020BE22 Phys.Rev.Lett. 125, 092501 (2020) T.Beck, V.Werner, N.Pietralla, M.Bhike, N.Cooper, U.Friman-Gayer, J.Isaak, R.V.Jolos, J.Kleemann, Krishichayan, O.Papst, W.Tornow, C.Bernards, B.P.Crider, R.S.Ilieva, B.Loher, C.Mihai, F.Naqvi, S.Pascu, E.E.Peters, F.M.Prados-Estevez, T.J.Ross, D.Savran, J.R.Vanhoy, A.Zilges ΔK = 0 m1 Excitation Strength of the Well-Deformed Nucleus 164Dy from K Mixing NUCLEAR REACTIONS 164Dy(γ, γ'), E=3-3.2 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, B(M1), reduced relative decay-intensity ratios, excitation strengths.
doi: 10.1103/PhysRevLett.125.092501
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
2020OL07 Phys.Rev. C 102, 055806 (2020) O.Olivas-Gomez, A.Simon, O.Gorton, J.E.Escher, E.Churchman, P.Millican, R.Kelmar, C.S.Reingold, A.M.Clark, N.Cooper, C.Harris, S.L.Henderson, S.E.Kelly, F.Naqvi, A.Palmisano, D.Robertson, E.Stech, A.Spyrou, W.P.Tan Measurements of proton capture in the A = 100-100 mass region: Constraints on the 111In(γ, p)/(γ, n) branching point relevant to the γ process NUCLEAR REACTIONS 102Pd(p, γ)103Ag, E=4-8 MeV; 108Cd(p, γ)109In, E=3.5=7 MeV; 110Cd(p, γ)111In, E=3-6 MeV; measured Eγ, Iγ, summed γ spectra using a high efficiency total absorption spectrometer and γ-summing technique at the 10-MV FN Tandem Van de Graaff accelerator of the University of Notre Dame; deduced capture σ(E) for the ground states, total σ(E), constrain Hauser-Feshbach parameters used in TALYS 1.9. Comparison with theoretical predictions from the NON-SMOKER code, and with Hauser-Feshbach statistical calculations. Recommended (γ, p) and (γ, n) stellar photodissociation decay rates for 103Ag, 109In and 111In for T=1-10 GK. Relevance to γ process is an explosive astrophysical scenario.
doi: 10.1103/PhysRevC.102.055806
2020ON01 Phys.Rev.Lett. 125, 262701 (2020) W.-J.Ong, E.F.Brown, J.Browne, S.Ahn, K.Childers, B.P.Crider, A.C.Dombos, S.S.Gupta, G.W.Hitt, C.Langer, R.Lewis, S.N.Liddick, S.Lyons, Z.Meisel, P.Moller, F.Montes, F.Naqvi, J.Pereira, C.Prokop, D.Richman, H.Schatz, K.Schmidt, A.Spyrou β Decay of 61V and its Role in Cooling Accreted Neutron Star Crusts RADIOACTIVITY 61V(β-), (β-n) [from 9Be(82Se, X), E=140 MeV/nucleon]; measured decay products, Eγ, Iγ, En, In; deduced branching for β-delayed neutron emission, β-feeding intensities, B(GT) strengths, log ft.
doi: 10.1103/PhysRevLett.125.262701
2020PA32 Phys.Rev. C 102, 034323 (2020) O.Papst, V.Werner, J.Isaak, N.Pietralla, T.Beck, C.Bernards, M.Bhike, N.Cooper, B.P.Crider, U.Friman-Gayer, J.Kleemann, Krishichayan, B.Loher, F.Naqvi, E.E.Peters, F.M.Prados-Estevez, R.S.Ilieva, T.J.Ross, D.Savran, W.Tornow, J.R.Vanhoy Photo response of 164Dy NUCLEAR REACTIONS 164Dy(polarized γ, γ'), E=4.0-7.7 MeV; measured Eγ, Iγ, γ(polarization azimuthal asymmetry) using four HPGe detectors at the HIγS facility of TUNL. 164Dy; deduced levels, J, π, energy-integrated cross sections, widths, B(E1), B(M1), γ-branching ratios to the ground state and the first 2+ state, mean population ratios of the first and second 2+ states, and first 3+ state, photon strength function (PSF) and nuclear level density (NLD). Comparison with statistical model calculations.
doi: 10.1103/PhysRevC.102.034323
2020SI02 Phys.Rev. C 101, 014619 (2020) Indirect determination of neutron-capture cross sections for Sm isotopes NUCLEAR REACTIONS 146,148,150,152Sm(n, γ), E=0.01-10 MeV; calculated neutron-capture σ(E) and Maxwellian-averaged cross sections (MACS) using γ-ray strength and level density functions (γΣF and NLD) extracted from the Oslo-type experiments for 147,149,151,153Sm, with the uncertainties in σ(E) calculated using Monte Carlo method. Comparison with experimental data from EXFOR database, and with the evaluated data in ENDF, EAF and TENDL libraries. 146Sm(n, γ), E=0.01-10 MeV; first estimate of experimental neutron capture σ(E).
doi: 10.1103/PhysRevC.101.014619
2019CH24 Phys.Rev.Lett. 122, 212502 (2019) Z.Q.Chen, Z.H.Li, H.Hua, H.Watanabe, C.X.Yuan, S.Q.Zhang, G.Lorusso, S.Nishimura, H.Baba, F.Browne, G.Benzoni, K.Y.Chae, F.C.L.Crespi, P.Doornenbal, N.Fukuda, G.Gey, R.Gernhauser, N.Inabe, T.Isobe, D.X.Jiang, A.Jungclaus, H.S.Jung, Y.Jin, D.Kameda, G.D.Kim, Y.K.Kim, I.Kojouharov, F.G.Kondev, T.Kubo, N.Kurz, Y.K.Kwon, X.Q.Li, J.L.Lou, G.J.Lane, C.G.Li, D.W.Luo, A.Montaner-Piza, K.Moschner, C.Y.Niu, F.Naqvi, M.Niikura, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, Z.Podolyak, T.Sumikama, P.-A.Soderstrom, H.Sakurai, H.Schaffner, G.S.Simpson, K.Steiger, H.Suzuki, J.Taprogge, H.Takeda, Zs.Vajta, H.K.Wang, J.Wu, A.Wendt, C.G.Wang, H.Y.Wu, X.Wang, C.G.Wu, C.Xu, Z.Y.Xu, A.Yagi, Y.L.Ye, K.Yoshinaga Proton Shell Evolution below 132Sn : First Measurement of Low-Lying β-Emitting Isomers in 123, 125Ag RADIOACTIVITY 123,125Pd(β-) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced energy levels, J, π. Comparison with shell-model calculations.
doi: 10.1103/PhysRevLett.122.212502
2019DA02 Phys.Rev. C 99, 021302 (2019) P.J.Davies, J.Park, H.Grawe, R.Wadsworth, R.Gernhauser, R.Krucken, F.Nowacki, D.S.Ahn, F.Ameil, H.Baba, T.Back, B.Blank, A.Blazhev, P.Boutachkov, F.Browne, I.Celikovic, M.Dewald, P.Doornenbal, T.Faestermann, Y.Fang, G.de France, N.Fukuda, A.Gengelbach, J.Gerl, J.Giovinazzo, S.Go, N.Goel, M.Gorska, E.Gregor, H.Hotaka, S.Ilieva, N.Inabe, T.Isobe, D.G.Jenkins, J.Jolie, H.S.Jung, A.Jungclaus, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, M.Lewitowicz, G.Lorusso, D.Lubos, L.Maier, E.Merchan, K.Moschner, D.Murai, F.Naqvi, H.Nishibata, D.Nishimura, S.Nishimura, I.Nishizuka, Z.Patel, N.Pietralla, M.M.Rajabali, S.Rice, H.Sakurai, H.Schaffner, Y.Shimizu, L.F.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, J.Taprogge, P.Thole, S.Valder, Z.Wang, N.Warr, H.Watanabe, V.Werner, J.Wu, Z.Y.Xu, A.Yagi, K.Yoshinaga, Y.Zhu Toward the limit of nuclear binding on the N=Z line: Spectroscopy of 96Cd NUCLEAR REACTIONS 9Be(124Xe, X), E=345 MeV/nucleon; measured delayed γ-spectrum, Eγ, Iγ, γγ-coin, half-life of an isomeric state using BigRIPS separator, silicon active stopper for particle identification, and EURICA Ge detector array for γ detection at RIBF-RIKEN. 96Cd; deduced levels, isomer, J, π, configuration, medium-spin negative-parity spin trap based on the coupling of isoscalar T=0 and isovector T=1 neutron-proton pairs. Comparison with shell model calculations using GF, LSSM, and r3g model spaces.
doi: 10.1103/PhysRevC.99.021302
2019DO02 Phys.Rev. C 99, 015802 (2019) A.C.Dombos, A.Spyrou, F.Naqvi, S.J.Quinn, S.N.Liddick, A.Algora, T.Baumann, J.Brett, B.P.Crider, P.A.DeYoung, T.Ginter, J.Gombas, E.Kwan, S.Lyons, W.-J.Ong, A.Palmisano, J.Pereira, C.J.Prokop, D.P.Scriven, A.Simon, M.K.Smith, C.S.Sumithrarachchi β-decay half-lives of neutron-rich nuclides in the A=100--110 mass region RADIOACTIVITY 99Y, 101,102Zr, 102m,103,104mNb, 109Tc(β-)[from 9Be(124Sn, X), E=120 MeV/nucleon, followed by separation of reaction products using A1900 fragment separator]; measured (implants)γ-coin, time-of-flight, total energy loss of fragments, and half-lives from (implants)γ-correlated decay curves using the implantation station installed inside the Summing NaI(Tl) (SuN) detector for the total absorption spectroscopy (TAS) technique at the NSCL-MSU facility. Comparison with previous experimental values; compiled measured and evaluated half-lives in literature for the seven isotopes studied in this work. Relevance to B(GT) distributions, nuclear astrophysics, nuclear structure, and nuclear technology.
doi: 10.1103/PhysRevC.99.015802
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
2019HA26 Phys.Rev. C 100, 024302 (2019) G.Hafner, K.Moschner, A.Blazhev, P.Boutachkov, P.J.Davies, R.Wadsworth, F.Ameil, H.Baba, T.Back, M.Dewald, P.Doornenbal, T.Faestermann, A.Gengelbach, J.Gerl, R.Gernhauser, S.Go, M.Gorska, H.Grawe, E.Gregor, H.Hotaka, T.Isobe, D.G.Jenkins, J.Jolie, H.S.Jung, I.Kojouharov, N.Kurz, M.Lewitowicz, G.Lorusso, R.Lozeva, E.Merchan, F.Naqvi, H.Nishibata, D.Nishimura, S.Nishimura, N.Pietralla, H.Schaffner, P.-A.Soderstrom, K.Steiger, T.Sumikama, J.Taprogge, P.Thole, H.Watanbe, N.Warr, V.Werner, Z.Y.Xu, A.Yagi, K.Yoshinaga, Y.Zhu Properties of gamma-decaying isomers in the 100Sn region populated in fragmentation of a 124Xe beam NUCLEAR REACTIONS 9Be(124Xe, X)88Zr/88mZr/90Nb/90mNb/90Mo/90mMo/91Nb/91mNb/92Nb/92mNb/92Mo/92mMo/92Tc/92mTc/92Ru/92mRu/92Rh/92mRh/93Tc/93mTc/93Ru/93mRu/94Ru/94mRu/94Rh/94mRh/94Pd/94mPd/95Ag/95mAg/96Pd/96mPd/96Ag/96mAg/96Cd/96mCd/98Ag/98mAg/98Cd/98mCd, E=345 MeV/nucleon; measured yields of secondary ions by A/Q vs Z, Eγ, Iγ, (ion)γ-coin, isomeric ratios using BigRIPS and ZeroDegree spectrometers, active stopper SIMBA, and EURICA array at RIBF-RIKEN facility. Comparison of isomeric ratios with previous experimental results, and with abrasion-ablation model combined with sharp cutoff model. RADIOACTIVITY 88mZr, 90mNb, 90m,92mMo, 92m,93mTc, 92m,93m,94mRu, 92mRh, 94m,96mPd, 96m,98mAg, 98mCd(IT); measured Eγ, Iγ, γγ- and (ion)γ-coin, half-lives of isomers (0.1-104 μs) by γ(t). 88Zr, 90Nb, 90,92Mo, 92,93Tc, 92,93,94Ru, 92Rh, 94,96Pd, 96,98Ag, 98Cd; deduced levels, J, π, B(E1), B(E2), B(E3), B(E4). Comparison with shell model calculations using NUSHELLX code and SLGT0PN interaction.
doi: 10.1103/PhysRevC.100.024302
2019HA40 Acta Phys.Pol. B50, 431 (2019) G.Haefner, K.Moschner, A.Blazhev, P.Boutachkov, P.J.Davies, R.Wadsworth, F.Ameil, H.Baba, T.Back, M.Dewald, P.Doornenbal, T.Faestermann, A.Gengelbach, J.Gerl, R.Gernhauser, S.Go, M.Gorska, H.Grawe, E.Gregor, H.Hotaka, T.Isobe, D.G.Jenkins, J.Jolie, H.S.Jung, I.Kojouharov, N.Kurz, M.Lewitowicz, G.Lorusso, E.Merchan, F.Naqvi, H.Nishibata, D.Nishimura, S.Nishimura, N.Pietralla, H.Schaffner, P.-A.Soderstrom, K.Steiger, T.Sumikama, J.Taprogge, P.Thole, H.Watanabe, N.Warr, V.Werner, Z.Y.Xu, A.Yagi, K.Yoshinaga, Y.Zhu Properties of γ-decaying Isomers in the 100Sn Region Revisited NUCLEAR REACTIONS 9Be(124Xe, X), E=345 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ-coin; deduced T1/2 of isomeric states and isomeric ratios. BigRIPS, ZeroDegree spectrometer, WAS3ABi and EURICA array at RIBF-RIKEN facility. Comparison of isomeric ratios with abrasion-ablation model combined with sharp cutoff model. RADIOACTIVITY 90Mo, 92Rh, 96Ag(IT) [from 9Be(124Xe, X), E=345 MeV/nucleon]; measured reaction products, Eγ, Iγ, γγ-coin; deduced levels, J, π, T1/2.
doi: 10.5506/aphyspolb.50.431
2019LE05 Phys.Rev. C 99, 034601 (2019) R.Lewis, S.N.Liddick, A.C.Larsen, A.Spyrou, D.L.Bleuel, A.Couture, L.Crespo Campo, B.P.Crider, A.C.Dombos, M.Guttormsen, S.Mosby, F.Naqvi, G.Perdikakis, C.J.Prokop, S.J.Quinn, T.Renstrom, S.Siem Experimental constraints on the 73Zn(n, γ)74Zn reaction rate RADIOACTIVITY 74Cu(β-)[74Cu ions from Be(86Kr, X), E=140 MeV/nucleon reaction and using A1900 separator at NSCL-MSU facility]; measured β particles, Eγ, Iγ, βγ-coin, half-life of 74Cu decay using the Summing NaI detector for total absorption spectroscopy (TAS); deduced nuclear level density (NLD), and γ strength function (γSF) using the β-Oslo method, distribution of spins for levels in 74Zn around S(n). Comparison with previous experimental results, and with theoretical calculations using TALYS code. Results used to deduce σ for 73Zn(n, γ) reaction. NUCLEAR REACTIONS 73Zn(n, γ), E=0.01-1 MeV; deduced σ(E), and astrophysical reaction rates using the experimental NLD and γSF. Comparison with Hauser-Feshbach statistical model calculations using TALYS code.
doi: 10.1103/PhysRevC.99.034601
2019LI35 Phys.Rev. C 100, 024624 (2019) S.N.Liddick, A.C.Larsen, M.Guttormsen, A.Spyrou, B.P.Crider, F.Naqvi, J.E.Midtbo, F.L.Bello Garrote, D.L.Bleuel, L.Crespo Campo, A.Couture, A.C.Dombos, F.Giacoppo, A.Gorgen, K.Hadynska-Klek, T.W.Hagen, V.W.Ingeberg, B.V.Kheswa, R.Lewis, S.Mosby, G.Perdikakis, C.J.Prokop, S.J.Quinn, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, G.M.Tveten, M.Wiedeking, F.Zeiser Benchmarking the extraction of statistical neutron capture cross sections on short-lived nuclei for applications using the β-Oslo method RADIOACTIVITY 51Sc(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon]; measured Eβ, Iβ, Eγ, Iγ, βγ-coin; deduced level density, γ-strength function. Measurement was performed at NSCL using the Summing NaI(Tl) detector SuN, used as a TAS. NUCLEAR REACTIONS 50Ti(d, p)51Ti, E=12.5 MeV; measured Ep, Ip, Eγ, Iγ, γp-coin; deduced nuclear level density (NLD), γ strength function (γSF). Measurement was performed at the Oslo Cyclotron Laboratory, Sweden using the CACTUS NaI scintillator array.
doi: 10.1103/PhysRevC.100.024624
2019LY02 Phys.Rev. C 100, 025806 (2019) S.Lyons, A.Spyrou, S.N.Liddick, F.Naqvi, B.P.Crider, A.C.Dombos, D.L.Bleuel, B.A.Brown, A.Couture, L.Crespo Campo, J.Engel, M.Guttormsen, A.C.Larsen, R.Lewis, P.Moller, S.Mosby, M.R.Mumpower, E.M.Ney, A.Palmisano, G.Perdikakis, C.J.Prokop, T.Renstrom, S.Siem, M.K.Smith, S.J.Quinn 69, 71Co β-decay strength distributions from total absorption spectroscopy RADIOACTIVITY 69,71Co(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon, followed by in flight separation of fragments by the A1900 fragment separator at NSCL-MSU]; measured Eγ, Iγ, Eβ, βγ-coin, half-lives of decays of 69,71Co decays, total absorption spectra using Summing NaI(Tl) (SuN) detector for γ rays and double-sided silicon strip detector (DSSD) for β; deduced cumulative Iβ distributions and compared to QRPA and Skyrme QRPA calculations, Gamow-Teller (GT) strength distribution. Comparison of decay half-lives with ENSDF values, and theoretical calculations using shell mode, QRPA and Skyrme QRPA. Relevance to r process in nucleosynthesis.
doi: 10.1103/PhysRevC.100.025806
2019NA10 Phys.Rev. C 99, 054331 (2019) F.Naqvi, A.Simon, M.Guttormsen, R.Schwengner, S.Frauendorf, C.S.Reingold, J.T.Burke, N.Cooper, R.O.Hughes, S.Ota, and A.Saastamoinen Nuclear level densities and γ-ray strength functions in samarium isotopes NUCLEAR REACTIONS 148,150Sm(p, d), E=28 MeV; measured deuteron spectra, Eγ, Iγ, and (particle)γ-coin using the Hyperion array with ΔE-E telescope and HPGe clover detector array at the Cyclotron Institute of Texas A and M University. 147,149Sm; deduced nuclear level densities (NLDs) and γ strength functions (γSF) using the Oslo method, total B(M1) strength, parameters for giant resonances and the upbend. Comparison with shell model calculations, and with previous experimental results. Systematics of γSF, nuclear level densities, total B(M1) strength, and the parameters for giant resonances, the upbend and scissors resonances in 145,147,149,151Sm.
doi: 10.1103/PhysRevC.99.054331
2019RE04 Eur.Phys.J. A 55, 77 (2019) C.S.Reingold, O.Olivas-Gomez, A.Simon, J.Arroyo, M.Chamberlain, J.Wurzer, A.Spyrou, F.Naqvi, A.C.Dombos, A.Palmisano, T.Anderson, A.M.Clark, B.Frentz, M.R.Hall, S.L.Henderson, S.Moylan, D.Robertson, M.Skulski, E.Stech, S.Y.Strauss, W.P.Tan, B.Vande Kolk High Efficiency Total Absorption Spectrometer HECTOR for capture reaction measurements RADIOACTIVITY 60Co(IT); measured Eγ, Iγ using Total Absorption Spectrometer HECTOR; deduced sum spectrum; compared with GEANT4 simulated spectrum. NUCLEAR REACTIONS 27Al(p, γ), E not given; measured Eγ, Iγ; deduced resonances, average multiplicities, summing efficiencies and resonance strengths; compared with GEANT4 simulations and with published data. Remark: Paper aimed mainly to show the possibilities of the HECTOR spectrometer.
doi: 10.1140/epja/i2019-12748-8
2019WA14 Phys.Lett. B 792, 263 (2019) H.Watanabe, H.K.Wang, G.Lorusso, S.Nishimura, Z.Y.Xu, T.Sumikama, P.-A.Soderstrom, P.Doornenbal, F.Browne, G.Gey, H.S.Jung, J.Taprogge, Zs.Vajta, J.Wu, A.Yagi, H.Baba, G.Benzoni, K.Y.Chae, F.C.L.Crespi, N.Fukuda, R.Gernhauser, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.K.Kim, I.Kojouharov, F.G.Kondev, T.Kubo, N.Kurz, Y.K.Kwon, G.J.Lane, Z.Li, C.-B.Moon, A.Montaner-Piza, K.Moschner, F.Naqvi, M.Niikura, H.Nishibata, D.Nishimura, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, H.Sakurai, H.Schaffner, G.S.Simpson, K.Steiger, Y.Sun, H.Suzuki, H.Takeda, A.Wendt, K.Yoshinaga New isomers in 125Pd79 and 127Pd81: Competing proton and neutron excitations in neutron-rich palladium nuclides towards the N=82 shell closure RADIOACTIVITY 125,127Pd(IT) [from Be(238U, X)125Pd/127Pd, E=345 MeV/nucleon;] ; measured decay products, Eγ, Iγ; deduced γ-ray energies, intensities, T1/2. Comparison with shell model calculations.
doi: 10.1016/j.physletb.2019.03.053
2019WI02 Phys.Rev. C 99, 024316 (2019) J.Wiederhold, V.Werner, R.Kern, N.Pietralla, D.Bucurescu, R.Carroll, N.Cooper, T.Daniel, D.Filipescu, N.Florea, R-B.Gerst, D.Ghita, L.Gurgi, J.Jolie, R.S.Ilieva, R.Lica, N.Marginean, R.Marginean, C.Mihai, I.O.Mitu, F.Naqvi, C.Nita, M.Rudigier, S.Stegemann, S.Pascu, P.H.Regan Evolution of E2 strength in the rare-earth isotopes 174, 176, 178, 180Hf NUCLEAR REACTIONS 180Hf(16O, 16O), E=55 MeV; measured Eγ, Iγ, γγ-coin, half-lives of first 2+, 4+ and 6+ states by fast-timing γγ-coin using the ROSPHERE detector array for γ detection at the Bucharest FN Tandem accelerator. 180Hf; deduced levels, B(E2) values and B(E2) ratios. Comparison with literature values. RADIOACTIVITY 174,176,178Ta(EC), (β+)[from 171Yb(6Li, 3n), 172,173Yb(7Li, 3n), E=30 MeV]; measured Eγ, Iγ, γγ-coin, half-lives of first 2+, 4+, 6+ states, and first 2- and 3- states in 176Hf by fast-timing γγ-coin using the ROSPHERE detector array for γ detection at the Bucharest FN Tandem accelerator. 174,176,178Hf; deduced levels, B(E2) for 174,176,178Hf, and B(E1), B(M2), B(E3) for 176Hf. Systematics of g factors and B(E2) of first excited 2+ states, β4 deformation parameters in 156,158,160,162,164,166,168,170Er, 158,160,162,164,166,168,170,172,174,176Yb, 162,164,166,168,170,172,174,176,178,180Hf, 168,170,172,174,180,182,184,186W, 178,180,182,184Os. Comparison with values obtained in the rigid rotor limit and in the vibrator limit.
doi: 10.1103/PhysRevC.99.024316
2018LA07 Phys.Rev. C 97, 054329 (2018) A.C.Larsen, J.E.Midtbo, M.Guttormsen, T.Renstrom, S.N.Liddick, A.Spyrou, S.Karampagia, B.A.Brown, O.Achakovskiy, S.Kamerdzhiev, D.L.Bleuel, A.Couture, L.Crespo Campo, B.P.Crider, A.C.Dombos, R.Lewis, S.Mosby, F.Naqvi, G.Perdikakis, C.J.Prokop, S.J.Quinn, S.Siem Enhanced low-energy γ-decay strength of 70Ni and its robustness within the shell model RADIOACTIVITY 70Co(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon followed by fragment separation using A1900 fragment separator at NSCL-MSU]; measured Eγ, Iγ, summed γ energies, β-γ-coin using double-sided silicon strip detector (DSSD) for electrons placed in the center of the Summing NaI (SuN) total absorption spectrometer for γ radiation. 70Ni; deduced nuclear level density (NLD) and γ-strength function (γSF) using β-Oslo method. Comparison with previous experimental results, and with HFB+c calculations. NUCLEAR STRUCTURE 70Ni; calculated levels, J, π, B(E2), level densities, γSF, summed γSF, and M1 γ strengths for A=56-76 Ni isotopes. Quasiparticle time-blocking approximation and large-scale shell-model calculations with CA48MH1G and JUN45 interactions. Comparison with experimental results.
doi: 10.1103/PhysRevC.97.054329
2017DA07 Phys.Lett. B 767, 474 (2017) P.J.Davies, H.Grawe, K.Moschner, A.Blazhev, R.Wadsworth, P.Boutachkov, F.Ameil, A.Yagi, H.Baba, T.Back, M.Dewald, P.Doornenbal, T.Faestermann, A.Gengelbach, J.Gerl, R.Gernhaeuser, S.Go, M.Gorska, E.Gregor, T.Isobe, D.G.Jenkins, H.Hotaka, J.Jolie, I.Kojouharov, N.Kurz, M.Lewitowicz, G.Lorusso, L.Maier, E.Merchan, F.Naqvi, H.Nishibata, D.Nishimura, S.Nishimura, F.Nowacki, N.Pietralla, H.Schaffner, P.-A.Soderstrom, H.S.Jung, K.Steiger, T.Sumikama, J.Taprogge, P.Thole, N.Warr, H.Watanabe, V.Werner, Z.Y.Xu, K.Yoshinaga, Y.Zhu The role of core excitations in the structure and decay of the 16+ spin-gap isomer in 96Cd RADIOACTIVITY 96Cd(EC), (ECp), 95Cd(EC) [from 9Be(124Xe, X)96Cd/95Cd, E=345 MeV/nucleon]; measured decay products, Eβ, Iβ, Eγ, Iγ, Ep, Ip; deduced first evidence for β-delayed proton emission, βp branching ratios, precise T1/2 for the ground and isomeric states. Comparison with shell model calculations employing the Gross-Frenkel (GF) effective interaction.
doi: 10.1016/j.physletb.2017.02.013
2017JU02 Phys.Lett. B 772, 483 (2017) A.Jungclaus, H.Grawe, S.Nishimura, P.Doornenbal, G.Lorusso, G.S.Simpson, P.-A.Soderstrom, T.Sumikama, J.Taprogge, Z.Y.Xu, H.Baba, F.Browne, N.Fukuda, R.Gernhauser, G.Gey, N.Inabe, T.Isobe, H.S.Jung, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, Z.Li, H.Sakurai, H.Schaffner, Y.Shimizu, K.Steiger, H.Suzuki, H.Takeda, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, G.Benzoni, S.Bonig, K.Y.Chae, L.Coraggio, J.-M.Daugas, F.Drouet, A.Gadea, A.Gargano, S.Ilieva, N.Itaco, F.G.Kondev, T.Kroll, G.J.Lane, A.Montaner-Piza, K.Moschner, D.Mucher, F.Naqvi, M.Niikura, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, A.Wendt Observation of a γ decaying millisecond isomeric state in 128Cd80 NUCLEAR REACTIONS 9Be(238U, X)128Cd, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ. 129Cd, 129In; deduced γ-ray energies, J, π, level T1/2, B(E3). Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2017.07.006
2017PE09 Phys.Rev. C 96, 014306 (2017) D.Perez-Loureiro, C.Wrede, M.B.Bennett, S.N.Liddick, A.Bowe, B.A.Brown, A.A.Chen, K.A.Chipps, N.Cooper, E.McNeice, F.Naqvi, R.Ortez, S.D.Pain, J.Pereira, C.Prokop, S.J.Quinn, J.Sakstrup, M.Santia, S.B.Schwartz, S.Shanab, A.Simon, A.Spyrou, E.Thiagalingam Confirmation of the isomeric state in 26P NUCLEAR REACTIONS 9Be(36Ar, 26P), E=150 MeV/nucleon; measured 26P recoils, Eγ, Iγ, (26P)γ-coin, half-life of the isomer by (recoils)γ(t) using A1900 fragment separator, Radio-Frequency Fragment Separator and SeGA array at NSCL-MSU facility. 26P; deduced level, isomer, S(p). Comparison with previous experimental data.
doi: 10.1103/PhysRevC.96.014306
2017SA32 Phys.Rev.Lett. 118, 242502 (2017) E.Sahin, F.L.Bello Garrote, Y.Tsunoda, T.Otsuka, G.de Angelis, A.Gorgen, M.Niikura, S.Nishimura, Z.Y.Xu, H.Baba, F.Browne, M.-C.Delattre, P.Doornenbal, S.Franchoo, G.Gey, K.Hadynska-Klek, T.Isobe, P.R.John, H.S.Jung, I.Kojouharov, T.Kubo, N.Kurz, Z.Li, G.Lorusso, I.Matea, K.Matsui, D.Mengoni, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, H.Sakurai, H.Schaffner, P.-A.Soderstrom, D.Sohler, I.G.Stefan, T.Sumikama, D.Suzuki, R.Taniuchi, J.Taprogge, Z.Vajta, H.Watanabe, V.Werner, J.Wu, A.Yagi, M.Yalcinkaya, K.Yoshinaga Shell Evolution towards 78Ni : Low-Lying States in 77Cu RADIOACTIVITY 77Ni(β-) [from 9Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π. Comparison with large-scale Monte Carlo shell model calculations.
doi: 10.1103/physrevlett.118.242502
2017SP03 J.Phys.(London) G44, 044002 (2017) A.Spyrou, A.C.Larsen, S.N.Liddick, F.Naqvi, B.P.Crider, A.C.Dombos, M.Guttormsen, D.L.Bleuel, A.Couture, L.Crespo Campo, R.Lewis, S.Mosby, M.R.Mumpower, G.Perdikakis, C.J.Prokop, S.J.Quinn, T.Renstrom, S.Siem, R.Surman Neutron-capture rates for explosive nucleosynthesis: the case of 68Ni(n, γ)69Ni RADIOACTIVITY 69Co(β-); measured decay products, Eγ, Iγ; deduced the γ-ray strength function and the nuclear level density, T1/2. Comparison with available data.
doi: 10.1088/1361-6471/aa5ae7
2016DO05 Phys.Rev. C 93, 064317 (2016) A.C.Dombos, D.-L.Fang, A.Spyrou, S.J.Quinn, A.Simon, B.A.Brown, K.Cooper, A.E.Gehring, S.N.Liddick, D.J.Morrissey, F.Naqvi, C.S.Sumithrarachchi, R.G.T.Zegers Total absorption spectroscopy of the β decay of 76Ga RADIOACTIVITY 76Ga(β-)[from 9Be(76Ge32+, X), E=130 MeV/nucleon and separated by A1900 fragment separator at NSCL-MSU]; measured Eγ, Iγ, total absorption gamma-ray (TAS) spectrum using a segmented NaI(Tl)(SuN) detector, Eβ, Iβ by a silicon surface barrier, βγ-coin, half-life of 76Ga decay; deduced Iβ feedings and compared to the evaluated data in the ENSDF database, β strength functions and B(GT). Comparison with shell-model calculations using jj44b and JUN45 interactions. Relevance to studies of neutrinoless double β-decay of 76Ge.
doi: 10.1103/PhysRevC.93.064317
2016JU03 Phys.Rev. C 94, 024303 (2016) A.Jungclaus, H.Grawe, S.Nishimura, P.Doornenbal, G.Lorusso, G.S.Simpson, P.-A.Soderstrom, T.Sumikama, J.Taprogge, Z.Y.Xu, H.Baba, F.Browne, N.Fukuda, R.Gernhauser, G.Gey, N.Inabe, T.Isobe, H.S.Jung, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, Z.Li, H.Sakurai, H.Schaffner, Y.Shimizu, K.Steiger, H.Suzuki, H.Takeda, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, G.Benzoni, S.Bonig, K.Y.Chae, L.Coraggio, J.-M.Daugas, F.Drouet, A.Gadea, A.Gargano, S.Ilieva, N.Itaco, F.G.Kondev, T.Kroll, G.J.Lane, A.Montaner-Piza, K.Moschner, D.Mucher, F.Naqvi, M.Niikura, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, A.Wendt β decay of semi-magic 130Cd: Revision and extension of the level scheme of 130In RADIOACTIVITY 130Cd(β-)[from 9Be(238U, F), E=345 MeV/nucleon, using BigRIPS separator and ZeroDegree spectrometer (ZDS) at RIBF-RIKEN facility]; Measured Eγ, Iγ, γγ-, βγ-coin, isomer half-life by γγ(t) using WAS3ABi array for β and ion detection, and EURICA array of 12 large-volume HPGe clusters for γ detection. 130In; deduced levels, J, π, β feedings, logft, high-lying core-excited states, configurations. Comparison with previous experimental results, ENSDF evaluation, and shell-model calculations.
doi: 10.1103/PhysRevC.94.024303
2016LI30 Phys.Rev.Lett. 116, 242502 (2016) S.N.Liddick, A.Spyrou, B.P.Crider, F.Naqvi, A.C.Larsen, M.Guttormsen, M.Mumpower, R.Surman, G.Perdikakis, D.L.Bleuel, A.Couture, L.C.Campo, A.C.Dombos, R.Lewis, S.Mosby, S.Nikas, C.J.Prokop, T.Renstrom, B.Rubio, S.Siem, S.J.Quinn Experimental Neutron Capture Rate Constraint Far from Stability RADIOACTIVITY 70Co(β-) [from 9Be(86Kr, X), E=140 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced nuclear level density as a function of excitation energy. Comparison with available data. NUCLEAR REACTIONS 69Ni(n, γ), E<10 GK; calculated nuclear reaction capture rates using experimental level densities and code TALYS.
doi: 10.1103/PhysRevLett.116.242502
2016MO34 Phys.Rev. C 94, 054323 (2016) K.Moschner, A.Blazhev, J.Jolie, N.Warr, P.Boutachkov, P.Bednarczyk, K.Sieja, A.Algora, F.Ameil, M.A.Bentley, S.Brambilla, N.Braun, F.Camera, J.Cederkall, A.Corsi, M.Danchev, D.DiJulio, C.Fahlander, J.Gerl, A.Giaz, P.Golubev, M.Gorska, J.Grebosz, T.Habermann, M.Hackstein, R.Hoischen, I.Kojouharov, N.Kurz, N.Marginean, E.Merchan, T.Moller, F.Naqvi, B.S.Nara Singh, C.Nociforo, N.Pietralla, S.Pietri, Zs.Podolyak, A.Prochazka, M.Reese, P.Reiter, M.Rudigier, D.Rudolph, T.Sava, H.Schaffner, L.Scruton, J.Taprogge, T.Thomas, H.Weick, A.Wendt, O.Wieland, H.-J.Wollersheim Relativistic Coulomb excitation of 88Kr NUCLEAR REACTIONS 197Au(88Kr, 88Kr'), E=128 MeV/nucleon, [secondary 88Kr beam from 9Be(238U, F), E=650 MeV/nucleon, followed by separation of fragments using FRS separator at GSI]; measured scattered particles, Eγ, (particle)γ-coin using PreSPEC Ge-detector array of EUROBALL Cluster for γ detection and Lund-York-Cologne Calorimeter (LYCCA) for ion detection. 88Kr; deduced levels, B(E2) and B(M1) for second and third 2+ states, mixed-symmetric nature of the third 2+ state. Comparison with IBM-2 model calculations. Systematics of energies, B(E2) and B(M1) for the first and third 2+ states for 88Kr, 90Sr, 92Zr, 94Mo, 96Ru, 98Pd.
doi: 10.1103/PhysRevC.94.054323
2016PE10 Phys.Rev. C 93, 064320 (2016) D.Perez-Loureiro, C.Wrede, M.B.Bennett, S.N.Liddick, A.Bowe, B.A.Brown, A.A.Chen, K.A.Chipps, N.Cooper, D.Irvine, E.McNeice, F.Montes, F.Naqvi, R.Ortez, S.D.Pain, J.Pereira, C.J.Prokop, J.Quaglia, S.J.Quinn, J.Sakstrup, M.Santia, S.B.Schwartz, S.Shanab, A.Simon, A.Spyrou, E.Thiagalingam β-delayed γ decay of 26P: Possible evidence of a proton halo RADIOACTIVITY 26P, 24Al(β+), (EC)[from 9Be(36Ar, X), E=150 MeV/nucleon using A1900 fragment separator and the Radio-Frequency Fragment Separator (RFFS) at NSCL-MSU]; measured Eγ, Iγ, 26P ions, Eβ, Iβ, γγ-, βγγ-coin using GeDSSD detector for ions and β particles and SeGA array for γ rays. 26Si; deduced levels, J, π, Iβ feedings, B(GT) strengths, logft, mirror asymmetry, proton halo. Comparisons with β decay of 26Na mirror nucleus, previous experimental data for 26Si levels, and USDB shell-model calculations. 24Mg; observed γ rays. 25Al(p, γ)26Si, T9=0.01-0.5; calculated astrophysical reaction rates.
doi: 10.1103/PhysRevC.93.064320
2016SP04 Phys.Rev.Lett. 117, 142701 (2016) A.Spyrou, S.N.Liddick, F.Naqvi, B.P.Crider, A.C.Dombos, D.L.Bleuel, B.A.Brown, A.Couture, L.Crespo Campo, M.Guttormsen, A.C.Larsen, R.Lewis, P.Moller, S.Mosby, M.R.Mumpower, G.Perdikakis, C.J.Prokop, T.Renstrom, S.Siem, S.J.Quinn, S.Valenta Strong Neutron-γ Competition above the Neutron Threshold in the Decay of 70Co RADIOACTIVITY 70Co(β-) [9Be(86Kr, X)70Co, E=140 MeV/nucleon]; measured decay products, Eβ, Iβ, Eγ, Iγ; deduced β-decay intensity, the large fragmentation of the β intensity at high energies, as well as the strong competition between γ-rays and neutrons. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.117.142701
2016SU05 Phys.Rev. C 93, 024316 (2016) D.Suzuki, H.Iwasaki, D.Beaumel, M.Assie, H.Baba, Y.Blumenfeld, F.de Oliveira Santos, N.de Sereville, A.Drouart, S.Franchoo, J.Gibelin, A.Gillibert, S.Giron, S.Grevy, J.Guillot, M.Hackstein, F.Hammache, N.Keeley, V.Lapoux, F.Marechal, A.Matta, S.Michimasa, L.Nalpas, F.Naqvi, H.Okamura, H.Otsu, J.Pancin, D.Y.Pang, L.Perrot, C.M.Petrache, E.Pollacco, A.Ramus, W.Rother, P.Roussel-Chomaz, H.Sakurai, J.-A.Scarpaci, O.Sorlin, P.C.Srivastava, I.Stefan, C.Stodel, Y.Tanimura, S.Terashima Second 0+ state of unbound 12O: Scaling of mirror asymmetry NUCLEAR REACTIONS 1H(14O, t), E=51 MeV/nucleon, [14O secondary beam from 9Be(16O, X), E=90 MeV/nucleon primary reaction]; measured E(t), I(t), σ(θ), TKE versus θ(lab) using LISE spectrometer and MUST2 telescopes at GANIL. Missing-mass spectroscopy. 12O; deduced levels, J, π, L-transfers, two-proton decay width. Comparison of the second 0+ state of 12O to the mirror state in 12Be and theoretical predictions. Systematics of 0+ states in mirror nuclei pairs of 6Be-6He, 8C-8He, 10C-10Be, 12O-12Be, 14O-14C, 16Ne-16C, 18Ne-18O, 20Mg-20O, 22Mg-22Ne, 24Si-24Ne, 26Si-26Mg, 28S-28Mg, 30S-30Si, 32Ar-32Si, 34Ar-34S, 36Ca-36S, 38Ca-38Ar, 40Ti-40Ar, 42Ti-42Ca, 46Cr-46Ti, 48Ni-48Ca, 50Fe-50Cr, 54Zn-54Cr, 54Ni-54Fe and 58Zn-58Ni. Discussed importance of scaling of mirror asymmetry in the context of ab initio calculations near the drip lines.
doi: 10.1103/PhysRevC.93.024316
2016TA22 Eur.Phys.J. A 52, 347 (2016), Erratum Eur.Phys.J. A 52, 375 (2016) J.Taprogge, A.Jungclaus, H.Grawe, I.N.Borzov, S.Nishimura, P.Doornenbal, G.Lorusso, G.S.Simpson, P.-A.Soderstrom, T.Sumikama, Z.Y.Xu, H.Baba, F.Browne, N.Fukuda, R.Gernhauser, G.Gey, N.Inabe, T.Isobe, H.S.Jung, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, Z.Li, H.Sakurai, H.Schaffner, Y.Shimizu, K.Steiger, H.Suzuki, H.Takeda, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, G.Benzoni, S.Bonig, K.Y.Chae, L.Coraggio, J.-M.Daugas, F.Drouet, A.Gadea, A.Gargano, S.Ilieva, N.Itaco, F.G.Kondev, T.Kroll, G.J.Lane, A.Montaner-Piza, K.Moschner, D.Mucher, F.Naqvi, M.Niikura, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, A.Wendt Proton-hole and core-excited states in the semi-magic nucleus 131In82 RADIOACTIVITY 131Cd(β-)[from 238U on 9Be at 345 MeV/nucleon]; measured Eγ, Iγ using EURICA array (84 Ge crystals around Si detectors), β-decay using WAS3ABi detector (8 DSSD's of 40x60 strips each), βγ-coin, other reaction products; deduced γ spectrum in prompt coincidence with first β decay, γ transitions, relative intensities, 131In level scheme, β feeding intensities (for transitions to excited states in 131In), excitation energies of several core-excited configurations; calculated log ft, β decay strength for GT allowed and first-forbidden β decay branches, excitation energies of core-excited configurations using shell model and QRPA.
doi: 10.1140/epja/i2016-16347-y
2016TV01 Phys.Rev. C 94, 025804 (2016) G.M.Tveten, A.Spyrou, R.Schwengner, F.Naqvi, A.C.Larsen, T.K.Eriksen, F.L.Bello Garrote, L.A.Bernstein, D.L.Bleuel, L.Crespo Campo, M.Guttormsen, F.Giacoppo, A.Gorgen, T.W.Hagen, K.Hadynska-Klek, M.Klintefjord, B.S.Meyer, H.T.Nyhus, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, T.G.Tornyi Completing the nuclear reaction puzzle of the nucleosynthesis of 92Mo NUCLEAR REACTIONS 92Mo(p, p'), E=16.5 MeV; measured Ep, Ip, Eγ, Iγ pγ-coin, angular distributions using SiRi silicon ΔE-E telescopes for protons and CACTUS scintillator detector array for γ rays at Oslo Cyclotron Laboratory; deduced nuclear level density (NLD) and γ-strength function (γSF) of 92Mo. 91Nb(p, γ)92Mo, T9=1.8-3.5; deduced astrophysical reaction rates using TALYS 1.6 code and NLD and γSF input from present experiment; discussed puzzle of the nucleosynthesis of 92Mo in the context of p process. Comparison with previous experimental results from 92Mo(γ, γ') and 92,94,95,96Mo(γ, n) reactions, and shell model calculations.
doi: 10.1103/PhysRevC.94.025804
2015LA08 Acta Phys.Pol. B46, 509 (2015) A.C.Larsen, S.Goriely, L.A.Bernstein, D.L.Bleuel, A.Bracco, B.A.Brown, F.Camera, T.K.Eriksen, S.Frauendorf, F.Giacoppo, M.Guttormsen, A.Gorgen, S.Harissopulos, S.Leoni, S.N.Liddick, F.Naqvi, H.T.Nyhus, S.J.Rose, T.Renstrom, R.Schwengner, S.Siem, A.Spyrou, G.M.Tveten, A.V.Voinov, M.Wiedeking Upbend and M1 Scissors Mode in Neutron-rich Nuclei - Consequences for r-process (n, γ) Reaction Rates
doi: 10.5506/APhysPolB.46.509
2015LO04 Phys.Rev.Lett. 114, 192501 (2015) G.Lorusso, S.Nishimura, Z.Y.Xu, A.Jungclaus, Y.Shimizu, G.S.Simpson, P.-A.Soderstrom, H.Watanabe, F.Browne, P.Doornenbal, G.Gey, H.S.Jung, B.Meyer, T.Sumikama, J.Taprogge, Zs.Vajta, J.Wu, H.Baba, G.Benzoni, K.Y.Chae, F.C.L.Crespi, N.Fukuda, R.Gernhauser, N.Inabe, T.Isobe, T.Kajino, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, F.G.Kondev, T.Kubo, N.Kurz, Y.K.Kwon, G.J.Lane, Z.Li, A.Montaner-Piza, K.Moschner, F.Naqvi, M.Niikura, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, H.Sakurai, H.Schaffner, P.Schury, S.Shibagaki, K.Steiger, H.Suzuki, H.Takeda, A.Wendt, A.Yagi, K.Yoshinaga β-Decay Half-Lives of 110 Neutron-Rich Nuclei across the N=82 Shell Gap: Implications for the Mechanism and Universality of the Astrophysical r Process RADIOACTIVITY 134,135,136,137,138,139Sn, 128,129,130,131,132,133,134,135,136,137In, 126,127,128,129,130,131,132,133,134Cd, 124,125,126,127,128,129,130,131,132Ag, 121,122,123,124,125,126,127,128,129Pd, 118,119,120,121,122,123,124,125,126,127Rh, 116,117,118,119,120,121,122,123,124Ru, 112,113,114,115,116,117,118,119,120,121Tc, 109,110,111,112,113,114,115,116,117,118Mo, 107,108,109,110,111,112,113,114,115Nb, 106,107,108,109,110,111,112Zr, 104,105,106,107,108,109Y, 103,104,105,106Sr, 102,103Rb(β-) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced T1/2; Calculated r-process abundances. Comparison with available data.
doi: 10.1103/PhysRevLett.114.192501
2015NA14 Phys.Rev. C 92, 025804 (2015) F.Naqvi, S.J.Quinn, A.Spyrou, A.Battaglia, M.Couder, P.A.DeYoung, A.C.Dombos, X.Fang, J.Gorres, A.Kontos, Q.Li, S.Lyons, D.Robertson, A.Simon, K.Smith, M.K.Smith, E.Stech, W.P.Tan, M.Wiescher Proton capture cross section of 72Ge and astrophysical implications NUCLEAR REACTIONS 72,74Ge(p, γ), E=1.8-3.6 MeV; measured Eγ, Iγ, σ(E) using γ-summing detector SuN at Notre Dame Tandem Van de Graff accelerator facility. Natural Ge target. Comparison with calculations using TALYS1.6 code and different combinations of optical model potentials (OMPs), nuclear level densities (NLDs), and γ-ray strength functions, and with data in standard astrophysical libraries BRUSLIB and REACLIB. Relevance to astrophysical p-process.
doi: 10.1103/PhysRevC.92.025804
2015SC16 Phys.Rev. C 92, 031302 (2015) S.B.Schwartz, C.Wrede, M.B.Bennett, S.N.Liddick, D.Perez-Loureiro, A.Bowe, A.A.Chen, K.A.Chipps, N.Cooper, D.Irvine, E.McNeice, F.Montes, F.Naqvi, R.Ortez, S.D.Pain, J.Pereira, C.Prokop, J.Quaglia, S.J.Quinn, J.Sakstrup, M.Santia, S.Shanab, A.Simon, A.Spyrou, E.Thiagalingam Observation of Doppler broadening in β-delayed proton-γ decay RADIOACTIVITY 26P(β+p)[from 9Be(36Ar, X), E=150 MeV/nucleon and A1900 fragment separator at NSCL-MSU]; measured Eγ, first observation of Doppler-broadened γ rays in β-delayed proton-γ decay, Iγ, γγ-coin, Eβ, βγ-correlated spectra using Si detectors for β and implanted nuclei, SeGA array for γ rays 25Al; deduced levels, β+p feedings. 26Si; deduced energies of proton emitting states from the kinematic analysis of Doppler-broadened γ rays. Comparison with previous experimental data. 24Mg, 26Al, 26Si; observed γ rays.
doi: 10.1103/PhysRevC.92.031302
2015TA13 Phys.Rev. C 91, 054324 (2015) J.Taprogge, A.Jungclaus, H.Grawe, S.Nishimura, P.Doornenbal, G.Lorusso, G.S.Simpson, P.-A.Soderstrom, T.Sumikama, Z.Y.Xu, H.Baba, F.Browne, N.Fukuda, R.Gernhauser, G.Gey, N.Inabe, T.Isobe, H.S.Jung, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, Z.Li, H.Sakurai, H.Schaffner, K.Steiger, H.Suzuki, H.Takeda, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, G.Benzoni, S.Bonig, K.Y.Chae, L.Coraggio, A.Covello, J.-M.Daugas, F.Drouet, A.Gadea, A.Gargano, S.Ilieva, F.G.Kondev, T.Kroll, G.J.Lane, A.Montaner-Piza, K.Moschner, D.Mucher, F.Naqvi, M.Niikura, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, A.Wendt β decay of 129Cd and excited states in 129In RADIOACTIVITY 129,129mCd(β-)[from 9Be(238U, F), E=345 MeV/nucleon using BigRIPS at RIBF-RIKEN]; measured Eγ, Iγ, Eβ, γγ-, βγ-coin, half-lives of ground and isomer states using WAS3ABi setup and EURICA array of HPGe detectors at RIKEN. 129In; deduced levels, J, π, energy of β decaying 1/2- isomer, Iβ, logft, B(GT) strengths, configuration. Comparison of level energies, J, π with shell-model calculations.
doi: 10.1103/PhysRevC.91.054324
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
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
2014NA15 Phys.Lett. B 728, 303 (2014) F.Naqvi, V.Werner, P.Petkov, T.Ahn, N.Cooper, G.Ilie, D.Radeck, C.Bernards, M.P.Carpenter, C.J.Chiara, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, D.Seweryniak, Ch.Stoyanov, S.Zhu Test of the π g7/2 subshell closure at Z = 58 NUCLEAR REACTIONS 24Mg(138Ce, 138Ce'), E=480 MeV; 24Mg(142Ce, 142Ce'), E=494 MeV; measured reaction products, Eγ, Iγ, particle-γ coin. 138,142Ce; deduced g-factors, B(E2) values. Yale plunger device and Gammasphere array.
doi: 10.1016/j.physletb.2013.11.057
2014SP05 Phys.Rev.Lett. 113, 232502 (2014) A.Spyrou, S.N.Liddick, A.C.Larsen, M.Guttormsen, K.Cooper, A.C.Dombos, D.J.Morrissey, F.Naqvi, G.Perdikakis, S.J.Quinn, T.Renstrom, J.A.Rodriguez, A.Simon, C.S.Sumithrarachchi, R.G.T.Zegers Novel technique for Constraining r-Process (n, γ) Reaction Rates RADIOACTIVITY 76Ga(β-) [from Be(76Ge, X), E=130 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced nuclear level density and γ-ray strength function, restrictions on 75Ge(n, γ) reaction σ and rate. Hauser-Feshbach calculations.
doi: 10.1103/PhysRevLett.113.232502
2014TA07 Phys.Rev.Lett. 112, 132501 (2014) J.Taprogge, A.Jungclaus, H.Grawe, S.Nishimura, P.Doornenbal, G.Lorusso, G.S.Simpson, P.-A.Soderstrom, T.Sumikama, Z.Y.Xu, H.Baba, F.Browne, N.Fukuda, R.Gernhauser, G.Gey, N.Inabe, T.Isobe, H.S.Jung, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, Z.Li, H.Sakurai, H.Schaffner, K.Steiger, H.Suzuki, H.Takeda, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, G.Benzoni, S.Bonig, K.Y.Chae, L.Coraggio, A.Covello, J.-M.Daugas, F.Drouet, A.Gadea, A.Gargano, S.Ilieva, F.G.Kondev, T.Kroll, G.J.Lane, A.Montaner-Piza, K.Moschner, D.Mucher, F.Naqvi, M.Niikura, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, A.Wendt 1p3/2 Proton-Hole State in 132Sn and the Shell Structure Along N= 82 RADIOACTIVITY 132Cd(β-n) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced energy levels, J, π. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.112.132501
2014TA29 Phys.Lett. B 738, 223 (2014) J.Taprogge, A.Jungclaus, H.Grawe, S.Nishimura, Z.Y.Xu, P.Doornenbal, G.Lorusso, E.Nacher, G.S.Simpson, P.-A.Soderstrom, T.Sumikama, H.Baba, F.Browne, N.Fukuda, R.Gernhauser, G.Gey, N.Inabe, T.Isobe, H.S.Jung, D.Kameda, G.D.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, Z.Li, H.Sakurai, H.Schaffner, K.Steiger, H.Suzuki, H.Takeda, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, G.Benzoni, S.Bonig, K.Y.Chae, L.Coraggio, A.Covello, J.-M.Daugas, F.Drouet, A.Gadea, A.Gargano, S.Ilieva, F.G.Kondev, G.J.Lane, A.Montaner-Piza, K.Moschner, D.Mucher, F.Naqvi, M.Niikura, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, A.Wendt Identification of a millisecond isomeric state in 129Cd81 via the detection of internal conversion and Compton electrons NUCLEAR REACTIONS Be(238U, X)129Cd, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ, Eβ, Iβ; deduced ICC and γ-ray yields, energy levels, J, π, isomeric state T1/2, B(E3). Comparison with shell model calculations.
doi: 10.1016/j.physletb.2014.09.047
2014WA26 Phys.Rev.Lett. 113, 042502 (2014) H.Watanabe, G.Lorusso, S.Nishimura, T.Otsuka, K.Ogawa, Z.Y.Xu, T.Sumikama, P.-A.Soderstrom, P.Doornenbal, Z.Li, F.Browne, G.Gey, H.S.Jung, J.Taprogge, Zs.Vajta, J.Wu, A.Yagi, H.Baba, G.Benzoni, K.Y.Chae, F.C.L.Crespi, N.Fukuda, R.Gernhauser, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.K.Kim, I.Kojouharov, F.G.Kondev, T.Kubo, N.Kurz, Y.K.Kwon, G.J.Lane, C.-B.Moon, A.Montaner-Piza, K.Moschner, F.Naqvi, M.Niikura, H.Nishibata, D.Nishimura, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, H.Sakurai, H.Schaffner, G.S.Simpson, K.Steiger, H.Suzuki, H.Takeda, A.Wendt, K.Yoshinaga Monopole-Driven Shell Evolution below the Doubly Magic Nucleus 132Sn Explored with the Long-Lived Isomer in 126Pd NUCLEAR REACTIONS Be(238U, X)126Pd, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced energy levels, J, π. Comparison with shell model calculations. RADIOACTIVITY 126Pd(IT), (β-); measured decay products, Eγ, Iγ; deduced energy levels, J, π, T1/2. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.113.042502
2014XU07 Phys.Rev.Lett. 113, 032505 (2014) Z.Y.Xu, S.Nishimura, G.Lorusso, F.Browne, P.Doornenbal, G.Gey, H.-S.Jung, Z.Li, M.Niikura, 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 β-Decay Half-Lives of 76, 77Co, 79, 80Ni and 81Cu Experimental Indication of a Doubly Magic 78Ni RADIOACTIVITY 72,73,74,75,76,77Co, 74,75,76,77,78,79,80Ni, 78,79,80,81Cu, 80,81,82Zn(β-), 77Co, 79,80Ni, 81Cu(β-n) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eβ, Iβ, Eγ, Iγ; deduced T1/2. Comparison with available data, FRDM+QRPA, KTUY+GT2 calculations.
doi: 10.1103/PhysRevLett.113.032505
2013BE41 Phys.Rev.Lett. 111, 232503 (2013) M.B.Bennett, C.Wrede, K.A.Chipps, J.Jose, S.N.Liddick, M.Santia, A.Bowe, A.A.Chen, N.Cooper, D.Irvine, E.McNeice, F.Montes, F.Naqvi, R.Ortez, S.D.Pain J.Pereira, C.Prokop, J.Quaglia, S.J.Quinn, S.B.Schwartz, S.Shanab, A.Simon, A.Spyrou, E.Thiagalingam Classical-Nova Contribution to the Milky Way's 26Al Abundance: Exit Channel of the Key 25Al(p, γ)26Si Resonance RADIOACTIVITY 26P(β+) [from Be(36Ar, X)26P, E=150 MeV/nucleon]; measured Eβ, Iβ, Eγ, Iγ, βγ- and βγγ-coin.; deduced resonances energy, J, π. Astrophysical implications.
doi: 10.1103/PhysRevLett.111.232503
2013BO18 Phys.Rev. C 88, 024611 (2013) M.Bowry, Zs.Podolyak, S.Pietri, J.Kurcewicz, M.Bunce, P.H.Regan, F.Farinon, H.Geissel, C.Nociforo, A.Prochazka, H.Weick, N.Al-Dahan, N.Alkhomashi, P.R.P.Allegro, J.Benlliure, G.Benzoni, P.Boutachkov, A.M.Bruce, A.M.D.Bacelar, G.F.Farrelly, J.Gerl, M.Gorska, A.Gottardo, J.Grebosz, N.Gregor, R.Janik, R.Knobel, I.Kojouharov, T.Kubo, N.Kurz, Yu.A.Litvinov, E.Merchan, I.Mukha, F.Naqvi, B.Pfeiffer, M.Pfutzner, W.Plass, M.Pomorski, B.Riese, M.V.Ricciardi, K.-H.Schmidt, H.Schaffner, C.Scheidenberger, E.C.Simpson, B.Sitar, P.Spiller, J.Stadlmann, P.Strmen, B.Sun, I.Tanihata, S.Terashima, J.J.Valiente Dobon, J.S.Winfield, H.-J.Wollersheim, P.J.Woods Population of high-spin isomeric states following fragmentation of 238U NUCLEAR REACTIONS 9Be(238U, X)213Rn/214Rn/215Rn/211At/212At/213At/208Po/209Po/210Po/211Po/205Bi/207Bi/202Pb/203Pb/204Pb/205Pb/206Pb/201Tl/202Tl/203Tl/204Tl/195Au/197Au/192Pt, E=1 GeV/nucleon; measured reaction products, Eγ, Iγ, (fragment)γ-coin, (fragment)γ(t), isomeric ratios. 195Au, 201Tl, 215Rn; measured T1/2 of isomers. FRS-RISING setup at GSI. Comparison of measured isomeric ratios with theoretical values using Monte Carlo type model ABRABLA, and with previous experimental values. Systematics of low- and high-spin isomeric ratios as function of spins and excitation energies of the isomers in Z=60-90, N=70-130 region produced in fragmentation of 238U and 208Pb.
doi: 10.1103/PhysRevC.88.024611
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
2013GU13 Phys.Rev.Lett. 110, 172501 (2013) G.Guastalla, D.D.DiJulio, M.Gorska, J.Cederkall, P.Boutachkov, P.Golubev, S.Pietri, H.Grawe, F.Nowacki, K.Sieja, A.Algora, F.Ameil, T.Arici, A.Atac, M.A.Bentley, A.Blazhev, D.Bloor, S.Brambilla, N.Braun, F.Camera, Zs.Dombradi, C.Domingo Pardo, A.Estrade, F.Farinon, J.Gerl, N.Goel, J.Grebosz, T.Habermann, R.Hoischen, K.Jansson, J.Jolie, A.Jungclaus, I.Kojouharov, R.Knoebel, R.Kumar, J.Kurcewicz, N.Kurz, N.Lalovic, E.Merchan, K.Moschner, F.Naqvi, B.S.Nara Singh, J.Nyberg, C.Nociforo, A.Obertelli, M.Pfutzner, N.Pietralla, Z.Podolyak, A.Prochazka, D.Ralet, P.Reiter, D.Rudolph, H.Schaffner, F.Schirru, L.Scruton, D.Sohler, T.Swaleh, J.Taprogge, Zs.Vajta, R.Wadsworth, N.Warr, H.Weick, A.Wendt, O.Wieland, J.S.WinfIeld, H.J.Wollersheim Coulomb Excitation of 104Sn and the Strength of the 100Sn Shell Closure NUCLEAR REACTIONS 197Au(104Sn, 104Sn'), (112Sn, 112Sn'), E=140 MeV/nucleon; measured reaction products, Eγ, Iγ. 104,112Sn; deduced transition energies, B(E2). Relativistic Coulomb excitation, comparison with available data.
doi: 10.1103/PhysRevLett.110.172501
2013LA11 Phys.Rev. C 87, 034308 (2013) S.Lalkovski, A.M.Bruce, A.Jungclaus, M.Gorska, M.Pfutzner, L.Caceres, F.Naqvi, S.Pietri, Zs.Podolyak, G.S.Simpson, K.Andgren, P.Bednarczyk, T.Beck, J.Benlliure, G.Benzoni, E.Casarejos, B.Cederwall, F.C.L.Crespi, J.J.Cuenca-Garcia, I.J.Cullen, A.M.D.Bacelar, P.Detistov, P.Doornenbal, G.F.Farrelly, A.B.Garnsworthy, H.Geissel, W.Gelletly, J.Gerl, J.Grebosz, B.Hadinia, M.Hellstrom, C.Hinke, R.Hoischen, G.Ilie, G.Jaworski, J.Jolie, A.Khaplanov, S.Kisyov, M.Kmiecik, I.Kojouharov, R.Kumar, N.Kurz, A.Maj, S.Mandal, V.Modamio, F.Montes, S.Myalski, M.Palacz, W.Prokopowicz, P.Reiter, P.H.Regan, D.Rudolph, H.Schaffner, D.Sohler, S.J.Steer, S.Tashenov, J.Walker, P.M.Walker, H.Weick, E.Werner-Malento, O.Wieland, H.J.Wollersheim, M.Zhekova Core-coupled states and split proton-neutron quasiparticle multiplets in 122-126Ag NUCLEAR REACTIONS 9Be(136Xe, X), (238U, F), E=750 MeV/nucleon; measured Eγ, Iγ, γγ-coin, γ(t), half-lives of isomers. FRS separator and RISING array at GSI facility. 122,123,124,125,126Ag; deduced high-spin levels, isomers, total conversion coefficients, multipolarity, J, π, B(E2). Level systematics of odd-A Ag nuclei with N=50-82. Comparison with shell-model calculations. NUCLEAR STRUCTURE 123,124,125,126,127,128,129Ag; calculated levels, J, π by shell-model using jj45pna interaction.
doi: 10.1103/PhysRevC.87.034308
2013SO17 Phys.Rev. C 88, 024301 (2013) P.-A.Soderstrom, G.Lorusso, H.Watanabe, S.Nishimura, P.Doornenbal, G.Thiamova, F.Browne, G.Gey, H.S.Jung, T.Sumikama, J.Taprogge, Zs.Vajta, J.Wu, Z.Y.Xu, H.Baba, G.Benzoni, K.Y.Chae, F.C.L.Crespi, N.Fukuda, R.Gernhauser, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, F.G.Kondev, T.Kubo, N.Kurz, Y.K.Kwon, G.J.Lane, Z.Li, A.Montaner-Piza, K.Moschner, F.Naqvi, M.Niikura, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, H.Sakurai, H.Schaffner, G.S.Simpson, K.Steiger, H.Suzuki, H.Takeda, A.Wendt, A.Yagi, K.Yoshinaga Shape evolution in 116,118Ru: Triaxiality and transition between the O(6) and U(5) dynamical symmetries RADIOACTIVITY 116,118Tc(β-)[from Be(238U, X), E=345 MeV/nucleon]; measured Eγ, Iγ, βγ-, γγ-coin using EURICA array and WAS3ABi counting system at RIBF, RIKEN facility. 116,118Ru; deduced levels, J, p, bands, kinematic moments of inertia, energy staggering of quasi-γ bands. Comparison with IBM, algebraic collective model, and cranked shell-model calculations. Systematics of first 2+ and 4+ states in N=62-74 Pd, Ru and Mo nuclei. Discussed O(6) and U(5) symmetries. NUCLEAR STRUCTURE 116,118Ru; calculated levels, J, π. Interacting boson model, algebraic collective model, and total Routhian surfaces. Comparison with experimental data.
doi: 10.1103/PhysRevC.88.024301
2013WA24 Phys.Rev.Lett. 111, 152501 (2013) H.Watanabe, G.Lorusso, S.Nishimura, Z.Y.Xu, T.Sumikama, P.-A.Soderstrom, P.Doornenbal, F.Browne, G.Gey, H.S.Jung, J.Taprogge, Zs.Vajta, J.Wu, A.Yagi, H.Baba, G.Benzoni, K.Y.Chae, F.C.L.Crespi, N.Fukuda, R.Gernhauser, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.K.Kim, I.Kojouharov, F.G.Kondev, T.Kubo, N.Kurz, Y.K.Kwon, G.J.Lane, Z.Li, C.-B.Moon, A.Montaner-Piza, K.Moschner, F.Naqvi, M.Niikura, H.Nishibata, D.Nishimura, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, H.Sakurai, H.Schaffner, G.S.Simpson, K.Steiger, H.Suzuki, H.Takeda, A.Wendt, K.Yoshinaga Isomers in 128Pd and 126Pd: Evidence for a Robust Shell Closure at the Neutron Magic Number 82 in Exotic Palladium Isotopes NUCLEAR REACTIONS 9Be(238U, X), E=345 MeV/nucleon; measured Eγ, Iγ, (fragment)γ-coin, Eβ, ce, isomer half-lives using BigRIPS, ZeroDegree spectrometers at RIBF facility in RIKEN. Gamma rays detected with EURICA array of 12 Cluster HPGe detectors. 126,128Pd; deduced levels, isomers, J, π, conversion coefficient, multipolarity, B(E2), B(E1), B(E3), configuration, seniority scheme for isomers. N=82 shell closure in neutron rich Pd nuclei.
doi: 10.1103/PhysRevLett.111.152501
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
2012BR18 J.Phys.:Conf.Ser. 381, 012053 (2012) A.M.Bruce, A.M.D.Bacelar, G.Benzoni, A.Gadea, M.Gorska, A.Gottardo, S.Pietri, Zs.Podolyak, J.J.Valiente-Dobon, J.A.Alcantara-Nunez, N.Al-Dahan, A.Algora, N.Alkhomashi, P.R.P.Allegro, Y.Ayyad, P.Boutachkov, M.Bowry, M.Bunce, E.Casarejos, M.L.Cortes, A.Y.Deo, C.Domingo-Pardo, M.Doncel, K.Eppinger, F.Farinon, G.F.Farrelly, H.Geissel, J.Gerl, N.Goel, J.Grebosz, E.Gregor, T.Haberman, R.Hoischen, R.Janik, S.Klupp, I.Kojouharov, N.Kurz, S.Lunardi, S.Mandal, R.Menegazzo, D.Mengoni, F.Naqvi, R.Nicolini, C.Nociforo, T.Pissulla, A.Prochazka, W.Prokopowicz, P.H.Regan, D.Rudolph, E.Sahin, H.Schaffner, A.Sharma, B.Sitar, D.Siwal, K.Steiger, P.Strmen, I.Szarka, P.M.Walker, H.Weick, H.-J.Wollersheim β decay of 102Y produced in projectile fission of 238U RADIOACTIVITY 102Y(β-)[from projectile fission of relativistic 238U]; measured β decay, Eγ, Iγ(time), 102Zr γγ-coin. 102Zr deduced γ intensities. Compared to other data.
doi: 10.1088/1742-6596/381/1/012053
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
2012KU26 Phys.Lett. B 717, 371 (2012) J.Kurcewicz, F.Farinon, H.Geissel, S.Pietri, C.Nociforo, A.Prochazka, H.Weick, J.S.Winfield, A.Estrade, P.R.P.Allegro, A.Bail, G.Belier, J.Benlliure, G.Benzoni, M.Bunce, M.Bowry, R.Caballero-Folch, I.Dillmann, A.Evdokimov, J.Gerl, A.Gottardo, E.Gregor, R.Janik, A.Kelic-Heil, R.Knobel, T.Kubo, Yu.A.Litvinov, E.Merchan, I.Mukha, F.Naqvi, M.Pfutzner, M.Pomorski, Zs.Podolyak, P.H.Regan, B.Riese, M.V.Ricciardi, C.Scheidenberger, B.Sitar, P.Spiller, J.Stadlmann, P.Strmen, B.Sun, I.Szarka, J.Taieb, S.Terashima, J.J.Valiente-Dobon, M.Winkler, Ph.Woods Discovery and cross-section measurement of neutron-rich isotopes in the element range from neodymium to platinum with the FRS NUCLEAR REACTIONS 9B(238U, X)157Nd/158Nd/159Nd/160Nd/161Nd/160Pm/161Pm/162Pm/163Pm/163Sm/164Sm/165Sm/167Eu/168Eu/167Gd/168Gd/169Gd/170Gd/169Tb/170Tb/171Tb/172Tb/171Dy/172Dy/173Dy/174Dy/173Ho/174Ho/175Ho/176Ho/176Er/177Er/178Er/178Tm/179Tm/180Tm/181Tm/181Yb/182Yb/183Yb/184Yb/185Yb/185Lu/186Lu/187Lu/188Lu/190Hf/193Ta/194Ta/195W/196W/197W/198Re/199Re/202Os/203Os/205Ir/206Pt/207Pt/208Pt, E=1 GeV/nucleon; measured time-of-flight, energy loss, fragment σ using FRS at GSI facility; discovered 60 new isotopes. Comparison of σ(A, Z) distributions with ABRABLA, COFRA and EPAX-3 model calculations.
doi: 10.1016/j.physletb.2012.09.021
2011GO39 J.Phys.:Conf.Ser. 312, 092026 (2011) A.Gottardo, J.J.Valiente-Dobon, G.Benzoni, R.Nicolini, J.Alcantara Nunez, A.Algora, N.Al-Dahan, G.de Angelis, Y.Ayyad, N.Alkhomashi, P.R.P.Allegro, J.Benlliure, P.Boutachkov, M.Bowry, A.Bracco, A.M.Bruce, M.Bunce, E.Casarejos, L.Cortes, F.C.L.Crespi, F.Camera, A.Corsi, A.M.D.Bacelar, A.Deo, C.Domingo-Pardo, M.Doncel, Zs.Dombradi, T.Engert, K.Eppinger, G.F.Farrelly, F.Farinon, A.Gadea, H.Geissel, J.Gerl, N.Goel, M.Gorska, J.Grebosz, E.Gregor, T.Haberman, R.Hoischen, R.Janik, S.Klupp, I.Kojouharov, N.Kurz, S.Leoni, S.Lunardi, S.Mandal, R.Menegazzo, D.Mengoni, B.Million, D.R.Napoli, F.Naqvi, C.Nociforo, M.Pfutzner, S.Pietri, Zs.Podolyak, A.Prochazka, W.Prokopowicz, F.Recchia, R.V.Ribas, M.W.Reed, P.H.Regan, D.Rudolph, E.Sahin, H.Schaffner, A.Sharma, B.Sitar, D.Siwal, K.Steger, P.Strmen, T.P.D.Swan, I.Szarka, P.M.Walker, O.Wieland, H.Weick, H.-J.Wollersheim Isomers in neutron-rich lead isotopes populated via the fragmentation of 238U at 1 GeV A NUCLEAR REACTIONS 9Be(238U, X), E=1 GeV/nucleon; measured reaction products using double-stage magnetic spectrometer FRS, delayed Eγ, Iγ(t) gated with ER; deduced possible isomeric transitions.
doi: 10.1088/1742-6596/312/9/092026
2011JU01 Phys.Lett. B 695, 110 (2011) A.Jungclaus, J.Walker, J.Leske, K.-H.Speidel, A.E.Stuchbery, M.East, P.Boutachkov, J.Cederkall, P.Doornenbal, J.L.Egido, A.Ekstrom, J.Gerl, R.Gernhauser, N.Goel, M.Gorska, I.Kojouharov, P.Maier-Komor, V.Modamio, F.Naqvi, N.Pietralla, S.Pietri, W.Prokopowicz, H.Schaffner, R.Schwengner, H.-J.Wollersheim Evidence for reduced collectivity around the neutron mid-shell in the stable even-mass Sn isotopes from new lifetime measurements NUCLEAR REACTIONS C, Gd, Cu(112Sn, 112Sn'), (114Sn, 114Sn'), (116Sn, 116Sn'), (118Sn, 118Sn'), (120Sn, 120Sn'), (122Sn, 122Sn'), (124Sn, 124Sn'), E=4 MeV/nucleon; measured Eγ, Iγ, particle-γ coin. 112,114,116,118,120,122,124Sn; deduced energy levels, lifetimes, B(E2). Comparison with shell model calculations.
doi: 10.1016/j.physletb.2010.11.012
2011JU06 J.Phys.:Conf.Ser. 312, 092033 (2011) A.Jungclaus, J.Walker, J.Leske, K.-H.Speidel, A.E.Stuchbery, M.East, P.Boutachkov, J.Cederkall, P.Doornenbal, J.L.Egido, A.Ekstrom, J.Gerl, R.Gernhauser, N.Goel, M.Gorska, I.Kojouharov, P.Maier-Komor, V.Modamio, F.Naqvi, N.Pietralla, S.Pietri, W.Prokopowicz, H.Schaffner, R.Schwengner, H.-J.Wollersheim New lifetime measurements in the stable semimagic Sn isotopes using the Doppler-shift attenuation technique NUCLEAR REACTIONS C, Cu, Gd, Ta(112Sn, 112Sn'), (114Sn, 114Sn'), (116Sn, 116Sn'), E=4.0 MeV/nucleon;C, Cu, Gd, Ta(122Sn, 122Sn'), E=3.8 Mev/nucleon; measured Coulomb excitation Eγ, Iγ, (particle)γ-coin, (particle)(particle)-coin using Doppler-shift attenuation; deduced B(E2). Compared to other data; also deduced T1/2, but the values not given here.
doi: 10.1088/1742-6596/312/9/092033
2011NA04 Acta Phys.Pol. B42, 725 (2011) F.Naqvi, P.Boutachkov, M.Gorska, J.Gerl, F.Farinon, E.T.Gregor, K.Hadynska, A.Jhingan, R.Janik, I.Kojouharov, N.A.Kondratyev, M.A.G.Alvarez, I.Mukha, P.Napiorkowski, C.Nociforo, D.Pietak, W.Prokopowicz, S.Pietri, A.Prochazka, H.Schaffner, P.Strmen, H.Weick, H.J.Wollersheim Development of Slowed Down Beams at the Fragment Separator for FAIR
doi: 10.5506/APhysPolB.42.725
2011WA15 Phys.Rev. C 84, 014319 (2011) J.Walker, A.Jungclaus, J.Leske, K.-H.Speidel, A.Ekstrom, P.Boutachkov, J.Cederkall, P.Doornenbal, J.Gerl, R.Gernhauser, N.Goel, M.Gorska, I.Kojouharov, P.Maier-Komor, V.Modamio, F.Naqvi, N.Pietralla, S.Pietri, W.Prokopowicz, H.Schaffner, R.Schwengner, H.-J.Wollersheim Magnetic moments of the first excited 2+ states in the semi-magic 112, 114, 116, 122, 124Sn isotopes NUCLEAR MOMENTS 112,114,116,122,124Sn; measured g factors of the first 2+, 4+ and 3- states by transient field technique in Coulomb excitation in inverse kinematics. Comparisons with shell-model and other theoretical calculations. NUCLEAR REACTIONS 12C(112Sn, 112Sn'), (114Sn, 114Sn'), (116Sn, 116Sn'), E=4 MeV/nucleon; 12C(122Sn, 122Sn'), (124Sn, 124Sn'), E=3.8 MeV/nucleon; measured Eγ, Iγ, (12C)γ-coin, (12C)γγ(θ), precession angles. 112,114,116,122,124Sn; deduced g-factors, configurations. Comparison with RQRPA, QRPA, and shell-model calculations. 12C(124Sn, X)130Xe/126Te/128Te, E=3.8 MeV/nucleon; measured Eγ, Iγ.
doi: 10.1103/PhysRevC.84.014319
2010NA17 Phys.Rev. C 82, 034323 (2010) F.Naqvi, M.Gorska, L.CAceres, A.Jungclaus, M.Pfutzner, H.Grawe, F.Nowacki, K.Sieja, S.Pietri, E.Werner-Malento, P.H.Regan, D.Rudolf, Z.Podolyak, J.Jolie, K.Andgren, T.Beck, P.Bednarczyk, J.Benlliure, G.Benzoni, A.M.Bruce, E.Casarejos, B.Cederwall, F.C.L.Crespi, P.Detistov, Zs.Dombradi, P.Doornenbal, H.Geissel, J.Gerl, J.Grebosz, B.Hadinia, M.Hellstrom, R.Hoischen, G.Ilie, A.Khaplanov, I.Kojouharov, M.Kmiecik, N.Kurz, S.Lalkovski, A.Maj, S.Mandal, V.Modamio, F.Montes, S.Myalski, W.Prokopowicz, P.Reiter, H.Schaffner, G.Simpson, D.Sohler, S.J.Steer, S.Tashenov, J.Walker, O.Wieland, H.J.Wollersheim Isomer spectroscopy of 127Cd NUCLEAR REACTIONS 9Be(136Xe, X), E=750 MeV/nucleon; measured Eγ, Iγ, γγ-coin, and isomer half-life by γ(t). 127Cd; deduced levels, J, π, multipolarity and transition strengths. Comparison with large-scale shell-model calculations.
doi: 10.1103/PhysRevC.82.034323
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