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NSR database version of April 11, 2024.

Search: Author = S.Koyama

Found 35 matches.

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2024KO04      Phys.Rev. C 109, L031301 (2024)

S.Koyama, D.Suzuki, M.Assie, L.Lalanne, O.Sorlin, T.Abe, D.Beaumel, Y.Blumenfeld, L.Caceres, F.De Oliveira Santos, F.Delaunay, F.Flavigny, S.Franchoo, J.Gibelin, V.Girard-Alcindor, J.Guillot, F.Hammache, O.Kamalou, A.Kamenyero, N.Kitamura, V.Lapoux, A.Lemasson, A.Matta, B.Mauss, P.Morfouace, M.Niikura, H.Otsu, J.Pancin, T.Roger, T.Y.Saito, H.Sakurai, C.Stodel, J-C.Thomas

Mirror symmetry at far edges of stability: The cases of 8C and 8He

doi: 10.1103/PhysRevC.109.L031301
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2024MO02      Phys.Rev.Lett. 132, 082501 (2024)

B.Monteagudo, F.M.Marques, J.Gibelin, N.A.Orr, A.Corsi, Y.Kubota, J.Casal, J.Gomez-Camacho, G.Authelet, H.Baba, C.Caesar, D.Calvet, A.Delbart, M.Dozono, J.Feng, F.Flavigny, J.-M.Gheller, A.Giganon, A.Gillibert, K.Hasegawa, T.Isobe, Y.Kanaya, S.Kawakami, D.Kim, Y.Kiyokawa, M.Kobayashi, N.Kobayashi, T.Kobayashi, Y.Kondo, Z.Korkulu, S.Koyama, V.Lapoux, Y.Maeda, T.Motobayashi, T.Miyazaki, T.Nakamura, N.Nakatsuka, Y.Nishio, A.Obertelli, A.Ohkura, S.Ota, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, E.C.Pollacco, S.Reichert, J.-Y.Rousse, A.T.Saito, S.Sakaguchi, M.Sako, C.Santamaria, M.Sasano, H.Sato, M.Shikata, Y.Shimizu, Y.Shindo, L.Stuhl, T.Sumikama, Y.L.Sun, M.Tabata, Y.Togano, J.Tsubota, T.Uesaka, Z.H.Yang, J.Yasuda, K.Yoneda, J.Zenihiro

Mass, Spectroscopy, and Two-Neutron Decay of 16Be

RADIOACTIVITY 16Be(2n) [from 1H(17B, 2p), E=277 MeV/nucleon]; measured decay products, En, In; deduced resonance energies, J, π, Q-value. Comparison with calculations incorporating the evolution of the wave function during the decay as a genuine three-body process reproduced the principal characteristics of the neutron-neutron energy spectra for both levels, indicating that the ground state exhibits a strong spatially compact dineutron component. The 15 cm thick liquid hydrogen target of MINOS, the BigRIPS fragment separator, the Radioactive Isotope Beam Factory of the RIKEN Nishina Center.

doi: 10.1103/PhysRevLett.132.082501
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2023KO15      Nature(London) 620, 965 (2023)

Y.Kondo, N.L.Achouri, H.Al Falou, L.Atar, T.Aumann, H.Baba, K.Boretzky, C.Caesar, D.Calvet, H.Chae, N.Chiga, A.Corsi, F.Delaunay, A.Delbart, Q.Deshayes, Zs.Dombradi, C.A.Douma, A.Ekstrom, Z.Elekes, C.Forssen, I.Gasparic, J.-M.Gheller, J.Gibelin, A.Gillibert, G.Hagen, M.N.Harakeh, A.Hirayama, C.R.Hoffman, M.Holl, A.Horvat, A.Horvath, J.W.Hwang, T.Isobe, W.G.Jiang, J.Kahlbow, N.Kalantar-Nayestanaki, S.Kawase, S.Kim, K.Kisamori, T.Kobayashi, D.Korper, S.Koyama, I.Kuti, V.Lapoux, S.Lindberg, F.M.Marques, S.Masuoka, J.Mayer, K.Miki, T.Murakami, M.Najafi, T.Nakamura, K.Nakano, N.Nakatsuka, T.Nilsson, A.Obertelli, K.Ogata, F.de Oliveira Santos, N.A.Orr, H.Otsu, T.Otsuka, T.Ozaki, V.Panin, T.Papenbrock, S.Paschalis, A.Revel, D.Rossi, A.T.Saito, T.Y.Saito, M.Sasano, H.Sato, Y.Satou, H.Scheit, F.Schindler, P.Schrock, M.Shikata, N.Shimizu, Y.Shimizu, H.Simon, D.Sohler, O.Sorlin, L.Stuhl, Z.H.Sun, S.Takeuchi, M.Tanaka, M.Thoennessen, H.Tornqvist, Y.Togano, T.Tomai, J.Tscheuschner, J.Tsubota, N.Tsunoda, T.Uesaka, Y.Utsuno, I.Vernon, H.Wang, Z.Yang, M.Yasuda, K.Yoneda, S.Yoshida

First observation of 28O

NUCLEAR REACTIONS H(29F, X)27O/28O, E=235 MeV/nucleon; measured reaction products; deduced yields. The hydrogen target was surrounded by the MINOS Time Projection Chamber, SAMURAI spectrometer, RIKEN RI Beam Factory.

RADIOACTIVITY 28O(4n), 27O(3n); measured decay products, En, In; deduced decay energy spectra and schemes from the measured momenta using the invariant-mass technique, resonance parameters. Comparison with the large-scale shell-model calculations using the new chiral effective field theory (EEdf3) interaction.

doi: 10.1038/s41586-023-06352-6
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2023LA09      Phys.Rev.Lett. 131, 092501 (2023)

L.Lalanne, O.Sorlin, A.Poves, M.Assie, F.Hammache, S.Koyama, D.Suzuki, F.Flavigny, V.Girard Alcindor, A.Lemasson, A.Matta, T.Roger, D.Beaumel, Y.Blumenfeld, B.A.Brown, F.De Oliveira Santos, F.Delaunay, N.de Sereville, S.Franchoo, J.Gibelin, J.Guillot, O.Kamalou, N.Kitamura, V.Lapoux, B.Mauss, P.Morfouace, J.Pancin, T.Y.Saito, C.Stodel, J.C.Thomas

N = 16 Magicity Revealed at the Proton Drip Line through the Study of 35Ca

NUCLEAR REACTIONS 1H(37Ca, t)35Ca, E=50 MeV/nucleon; measured reaction products; deduced atomic mass and first excited state energy, N=16 gap. Comparison with the state-of-the-art shell model calculations. The liquid hydrogen target CRYPTA, the LISE spectrometer at GANIL.

doi: 10.1103/PhysRevLett.131.092501
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2023WA18      Phys.Lett. B 843, 138038 (2023)

H.Wang, M.Yasuda, Y.Kondo, T.Nakamura, J.A.Tostevin, K.Ogata, T.Otsuka, A.Poves, N.Shimizu, K.Yoshida, N.L.Achouri, H.Al Falou, L.Atar, T.Aumann, H.Baba, K.Boretzky, C.Caesar, D.Calvet, H.Chae, N.Chiga, A.Corsi, H.L.Crawford, F.Delaunay, A.Delbart, Q.Deshayes, Zs.Dombradi, C.Douma, Z.Elekes, P.Fallon, I.Gasparic, J.-M.Gheller, J.Gibelin, A.Gillibert, M.N.Harakeh, A.Hirayama, C.R.Hoffman, M.Holl, A.Horvat, A.Horvath, J.W.Hwang, T.Isobe, J.Kahlbow, N.Kalantar-Nayestanaki, S.Kawase, S.Kim, K.Kisamori, T.Kobayashi, D.Korper, S.Koyama, I.Kuti, V.Lapoux, S.Lindberg, F.M.Marques, S.Masuoka, J.Mayer, K.Miki, T.Murakami, M.A.Najafi, K.Nakano, N.Nakatsuka, T.Nilsson, A.Obertelli, N.A.Orr, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, A.Revel, D.Rossi, A.T.Saito, T.Saito, M.Sasano, H.Sato, Y.Satou, H.Scheit, F.Schindler, P.Schrock, M.Shikata, Y.Shimizu, H.Simon, D.Sohler, O.Sorlin, L.Stuhl, S.Takeuchi, M.Tanaka, M.Thoennessen, H.Tornqvist, Y.Togano, T.Tomai, J.Tscheuschner, J.Tsubota, T.Uesaka, Z.Yang, K.Yoneda

Intruder configurations in 29Ne at the transition into the island of inversion: Detailed structure study of 28Ne

NUCLEAR REACTIONS 1H(29Ne, np)28Ne, E=240 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, partial level scheme, J, π, one-neutron removal σ, parallel momentum distributions. Comparison with available data. The MINOS target was surrounded by the DALI2 array, the Radioactive Isotope Beam Factory (RIBF), operated by the RIKEN Nishina Center and the Center for Nuclear Study, University of Tokyo.

doi: 10.1016/j.physletb.2023.138038
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2022GI05      Phys.Rev. C 105, L051301 (2022)

V.Girard Alcindor, A.Mercenne, I.Stefan, F.de Oliveira Santos, N.Michel, M.Ploszajczak, M.Assie, A.Lemasson, E.Clement, F.Flavigny, A.Matta, D.Ramos, M.Rejmund, J.Dudouet, D.Ackermann, P.Adsley, M.Assuncao, B.Bastin, D.Beaumel, G.Benzoni, R.Borcea, A.J.Boston, D.Brugnara, L.Caceres, B.Cederwall, I.Celikovic, V.Chudoba, M.Ciemala, J.Collado, F.C.L.Crespi, G.D'Agata, G.De France, F.Delaunay, C.Diget, C.Domingo-Pardo, J.Eberth, C.Fougeres, S.Franchoo, F.Galtarossa, A.Georgiadou, J.Gibelin, S.Giraud, V.Gonzalez, N.Goyal, A.Gottardo, J.Goupil, S.Grevy, V.Guimaraes, F.Hammache, L.J.Harkness-Brennan, H.Hess, N.Jovancevic, D.S.Judson Oliver, O.Kamalou, A.Kamenyero, J.Kiener, W.Korten, S.Koyama, M.Labiche, L.Lalanne, V.Lapoux, S.Leblond, A.Lefevre, C.Lenain, S.Leoni, H.Li, A.Lopez-Martens, A.Maj, I.Matea, R.Menegazzo, D.Mengoni, A.Meyer, B.Million, B.Monteagudo, P.Morfouace, J.Mrazek, M.Niikura, J.Piot, Zs.Podolyak, C.Portail, A.Pullia, B.Quintana, F.Recchia, P.Reiter, K.Rezynkina, T.Roger, J.S.Rojo, F.Rotaru, M.D.Salsac, A.M.Sanchez-Benitez, E.Sanchis, M.Senyigit, N.de Sereville, M.Siciliano, J.Simpson, D.Sohler, O.Sorlin, M.Stanoiu, C.Stodel, D.Suzuki, C.Theisen, D.Thisse, J.C.Thomas, P.Ujic, J.J.Valiente-Dobon, M.Zielinska

New narrow resonances observed in the unbound nucleus 15F

NUCLEAR REACTIONS 1H(14O, p), E=7.64 MeV/nucleon; 1H(14O, 2p), E=7.42 MeV/nucleon; measured reaction products Ep, Ip, Eγ, Iγ, protons angular distributions, pp-coin, γγ-coin, pγ-coin; deduced σ(θ), resonances properties of 14O+p system - energy, spin and width, spectroscopic factors, major amplitudes of channels. 15F; deduced levels, J, π, configurations. Data has been analyzed and interpreted in the framework of the Gamow shell model (GSM) with the coupled-channel representation (GSMCC). Beam provided by SPIRAL1 facility (GANIL). Detectors: MUST2 (telescope composed of DSSD and CsI array) for (14O, p) reaction and MUGAST array (MUST2+VAMOS magnetic spectrometer+AGATA HPGE-array).

doi: 10.1103/PhysRevC.105.L051301
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2022LA10      Phys.Rev.Lett. 129, 122501 (2022)

L.Lalanne, O.Sorlin, A.Poves, M.Assie, F.Hammache, S.Koyama, D.Suzuki, F.Flavigny, V.Girard Alcindor, A.Lemasson, A.Matta, T.Roger, D.Beaumel, Y.Blumenfeld, B.A.Brown, F.De Oliveira Santos, F.Delaunay, N.de Sereville, S.Franchoo, J.Gibelin, J.Guillot, O.Kamalou, N.Kitamura, V.Lapoux, B.Mauss, P.Morfouace, M.Niikura, J.Pancin, T.Y.Saito, C.Stodel, J-C.Thomas

Structure of 36Ca under the Coulomb Magnifying Glass

NUCLEAR REACTIONS 1H(37Ca, d), (38Ca, t)36Ca, E≈50 MeV/nucleon, [37,38Ca secondary beams incident on CRYPTA hydrogen target from 9Be(40Ca, X), E=95 MeV/nucleon primary reaction, followed by separation of fragments using LISE3 spectrometer at GANIL facility]; measured outgoing 36Ca ions, E(d), I(d), E(t), I(t), (36Ca)(37Ca)-coin, (36Ca)(38Ca)-coin, (36Ca)d-coin, (36Ca)t-coin, (36Ca)p-coin, (36Ca)2p-coin, using zero-degree detection (ZDD) system for 36Ca, multiwire detectors CATS array for 37Ca, six MUST2 telescopes with double-sided Silicon strip detector (DSSSD) and 16 CsI crystals for deuterons, tritons and protons. 36Ca; deduced levels, proton resonances, J, π, 0+ as the first excited state, L-transfers, spectroscopic factors, configurations and their amplitudes, mirror energy differences (MEDs) of levels in 36Ca and 36S. DWBA analysis. Comparison with shell-model calculations with configuration interaction (SM CI) using the sd-pf valence space, and with previous experimental results. 34Ar, 35K; deduced levels from the 2p decay of 7.84-MeV level in 36Ca. Details of experimental and theoretical spectroscopic data provided in the Supplemental Material of the paper.

doi: 10.1103/PhysRevLett.129.122501
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2021GI06      Eur.Phys.J. A 57, 93 (2021)

V.Girard Alcindor, I.Stefan, F.de Oliveira Santos, O.Sorlin, D.Ackermann, P.Adsley, J.C.Angelique, M.Assie, M.Assuncao, D.Beaumel, E.Berthoumieux, R.Borcea, L.Caceres, I.Celikovic, M.Ciemala, V.Chudoba, G.D'Agata, F.de Grancey, G.Dumitru, F.Flavigny, C.Fougeres, S.Franchoo, A.Georgiadou, N.Goyal, S.Grevy, J.Guillot, V.Guimaraes, F.Hammache, O.Kamalou, J.Kiener, S.Koyama, L.Lalanne, V.Lapoux, I.Matea, A.Matta, A.Meyer, N.Michel, P.Morfouace, J.Mrazek, F.Negoita, M.Niikura, D.Pantelica, L.Perrot, C.Petrone, J.Piot, C.Portail, T.Roger, F.Rotaru, A.M.Sanchez-Benitez, N.de Sereville, M.Stanoiu, C.Stodel, K.Subotic, D.Suzuki, V.Tatischeff, J.C.Thomas, P.Ujic, D.Verney

Probing nuclear forces beyond the nuclear drip line: the cases of 16F and 15F. A Tribute to Mahir Hussein

NUCLEAR STRUCTURE 15,16F, 16N, 15C; analyzed available data; deduced strength of the nucleon-nucleon effective interaction, the mirror symmetry of the n-p interaction.

doi: 10.1140/epja/s10050-021-00410-1
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2021LA04      Phys.Rev. C 103, 055809 (2021)

L.Lalanne, O.Sorlin, M.Assie, F.Hammache, N.de Sereville, S.Koyama, D.Suzuki, F.Flavigny, D.Beaumel, Y.Blumenfeld, B.A.Brown, F.De Oliveira Santos, F.Delaunay, S.Franchoo, J.Gibelin, V.Girard Alcindor, J.Guillot, O.Kamalou, N.Kitamura, V.Lapoux, A.Lemasson, A.Matta, B.Mauss, P.Morfouace, M.Niikura, J.Pancin, A.Poves, T.Roger, T.Saito, C.Stodel, J-C.Thomas

Evaluation of thE 35K(p, γ)36Ca reaction rate using the 37Ca(p, d)36Ca transfer reaction

NUCLEAR REACTIONS 1H(37Ca, d)36Ca, E=48 MeV/nucleon, [secondary 37Ca beam from 9Be(40Ca, X), E=95 MeV/nucleon primary reaction, followed by separation of fragments of interest by using Bρ-ΔE-Bρ and TOF method using LISE3 spectrometer at GANIL facility, liquid hydrogen CRYPTA target; measured energies and angles of transfer-like nuclei by Z, and TOF using zero degree detection (ZDD) setup of ionization chamber and two drift chambers and six MUST2 telescopes, (36Ca)d- and (35K)d-coin, pd(θ), 36,37Ca, 34Ar; deduced mass excesses and compared with literature values. 36Ca; deduced levels, resonances J, π; calculated Γγ, Γp, resonance strengths. 35K(p, γ)36ca; calculated thermonuclear reaction rates at T=0.4-6 GK. 1H(37Ca, X)32S/33Cl/34Ar/35Ar/35K/36Ca/36K/37Ca, E=48 MeV/nucleon; measured yields of reaction products by energy loss vs TOF using ZDD ionization chamber, and CATS detector at GANIL.

doi: 10.1103/PhysRevC.103.055809
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2021WI01      Phys.Rev.Lett. 126, 072501 (2021)

K.Wimmer, W.Korten, P.Doornenbal, T.Arici, P.Aguilera, A.Algora, T.Ando, H.Baba, B.Blank, A.Boso, S.Chen, A.Corsi, P.Davies, G.de Angelis, G.de France, J.-P.Delaroche, D.T.Doherty, J.Gerl, R.Gernhauser, M.Girod, D.Jenkins, S.Koyama, T.Motobayashi, S.Nagamine, M.Niikura, A.Obertelli, J.Libert, D.Lubos, T.R.Rodriguez, B.Rubio, E.Sahin, T.Y.Saito, H.Sakurai, L.Sinclair, D.Steppenbeck, R.Taniuchi, R.Wadsworth, M.Zielinska

Shape Changes in the Mirror Nuclei 70Kr and 70Se

NUCLEAR REACTIONS 197Au, 209Bi(70Kr, 70Kr'), (70Br, 70Br'), (70Se, 70Se'), E=140 MeV/nucleon; measured reaction products, Eγ, Iγ. 70Kr, 70Br, 70Se; deduced γ-ray energies, σ, nuclear deformation lengths, B(E2) values. Comparison with available data.

doi: 10.1103/PhysRevLett.126.072501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2021YA07      Phys.Rev.Lett. 126, 082501 (2021)

Z.H.Yang, Y.Kubota, A.Corsi, K.Yoshida, X.-X.Sun, J.G.Li, M.Kimura, N.Michel, K.Ogata, C.X.Yuan, Q.Yuan, G.Authelet, H.Baba, C.Caesar, D.Calvet, A.Delbart, M.Dozono, J.Feng, F.Flavigny, J.-M.Gheller, J.Gibelin, A.Giganon, A.Gillibert, K.Hasegawa, T.Isobe, Y.Kanaya, S.Kawakami, D.Kim, Y.Kiyokawa, M.Kobayashi, N.Kobayashi, T.Kobayashi, Y.Kondo, Z.Korkulu, S.Koyama, V.Lapoux, Y.Maeda, F.M.Marques, T.Motobayashi, T.Miyazaki, T.Nakamura, N.Nakatsuka, Y.Nishio, A.Obertelli, A.Ohkura, N.A.Orr, S.Ota, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, E.C.Pollacco, S.Reichert, J.-Y.Rousse, A.T.Saito, S.Sakaguchi, M.Sako, C.Santamaria, M.Sasano, H.Sato, M.Shikata, Y.Shimizu, Y.Shindo, L.Stuhl, T.Sumikama, Y.L.Sun, M.Tabata, Y.Togano, J.Tsubota, F.R.Xu, J.Yasuda, K.Yoneda, J.Zenihiro, S.-G.Zhou, W.Zuo, T.Uesaka

Quasifree Neutron Knockout Reaction Reveals a Small s-Orbital Component in the Borromean Nucleus 17B

NUCLEAR REACTIONS 1H(17B, np)16B, E ∼ 277 MeV/nucleon; measured reaction products, Eγ, Iγ. 17B; deduced energy levels, partial σ and spectroscopic parameters, resonance widths. Comparison with GSM, VS-IMSRG, AMD, SM calculations. MINOS target, RIKEN Nishina Center.

doi: 10.1103/PhysRevLett.126.082501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2689.


2020FR06      Phys.Rev.Lett. 125, 012501 (2020)

A.Frotscher, M.Gomez-Ramos, A.Obertelli, P.Doornenbal, G.Authelet, H.Baba, D.Calvet, F.Chateau, S.Chen, A.Corsi, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, N.Paul, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, N.Shimizu, D.Steppenbeck, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, T.Ando, T.Arici, A.Blazhev, F.Browne, A.M.Bruce, R.Carroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, Zs.Dombradi, F.Flavigny, S.Franchoo, F.Giacoppo, M.Gorska, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, A.Jungclaus, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, K.Moschner, S.Nagamine, N.Nakatsuka, C.Nita, S.Nishimura, C.R.Nobs, L.Olivier, S.Ota, Z.Patel, Zs.Podolyak, M.Rudigier, E.Sahin, T.Y.Saito, C.Shand, P.-A.Soderstrom, I.G.Stefan, T.Sumikama, D.Suzuki, R.Orlandi, V.Vaquero, Zs.Vajta, V.Werner, K.Wimmer, J.Wu, Z.Xu

Sequential Nature of (p, 3p) Two-Proton Knockout from Neutron-Rich Nuclei

NUCLEAR REACTIONS 1H(101Sr, 3p), (75Zn, 3p), (81Ga, 3p)79Cu, (81Ga, 2p)80Zn, E ∼ 205 MeV/nucleon; measured reaction products, Ep, Ip; deduced σ.

doi: 10.1103/PhysRevLett.125.012501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2659.


2020KU34      Phys.Rev.Lett. 125, 252501 (2020)

Y.Kubota, A.Corsi, G.Authelet, H.Baba, C.Caesar, D.Calvet, A.Delbart, M.Dozono, J.Feng, F.Flavigny, J.-M.Gheller, J.Gibelin, A.Giganon, A.Gillibert, K.Hasegawa, T.Isobe, Y.Kanaya, S.Kawakami, D.Kim, Y.Kikuchi, Y.Kiyokawa, M.Kobayashi, N.Kobayashi, T.Kobayashi, Y.Kondo, Z.Korkulu, S.Koyama, V.Lapoux, Y.Maeda, F.M.Marques, T.Motobayashi, T.Miyazaki, T.Nakamura, N.Nakatsuka, Y.Nishio, A.Obertelli, K.Ogata, A.Ohkura, N.A.Orr, S.Ota, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, E.C.Pollacco, S.Reichert, J.-Y.Rousse, A.T.Saito, S.Sakaguchi, M.Sako, C.Santamaria, M.Sasano, H.Sato, M.Shikata, Y.Shimizu, Y.Shindo, L.Stuhl, T.Sumikama, Y.L.Sun, M.Tabata, Y.Togano, J.Tsubota, Z.H.Yang, J.Yasuda, K.Yoneda, J.Zenihiro, T.Uesaka

Surface Localization of the Dineutron in 11Li

NUCLEAR REACTIONS 1H(11Li, np)2NN, E=246 MeV/nucleon; measured reaction products, Ep, Ip, En, In; deduced missing momentum distribution, σ(θ, E), formation of a dineutron. Comparison with calculations.

doi: 10.1103/PhysRevLett.125.252501
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2020LO06      Phys.Rev. C 101, 034314 (2020)

T.Lokotko, S.Leblond, J.Lee, P.Doornenbal, A.Obertelli, A.Poves, F.Nowacki, K.Ogata, K.Yoshida, G.Authelet, H.Baba, D.Calvet, F.Chateau, S.Chen, A.Corsi, A.Delbart, J.-M.Gheller, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, Z.Y.Xu, M.Sasano, Y.Shiga, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, V.Werner, F.Browne, L.X.Chung, Zs.Dombradi, S.Franchoo, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, M.Lettmann, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, S.Nishimura, L.Olivier, S.Ota, Z.Patel, E.Sahin, C.Shand, P.-A.Soderstrom, I.Stefan, D.Steppenbeck, T.Sumikama, D.Suzuki, Zs.Vajta, J.Wu

Shell structure of the neutron-rich isotopes 69, 71, 73Co

NUCLEAR REACTIONS 1H(70Ni, 2p), E=252 MeV/nucleon; 1H(72Ni, 2p), E=241 MeV/nucleon; 1H(74Ni, 2p), E=234 MeV/nucleon, [secondary beams from 9Be(238U, X), E=345 MeV/nucleon]; measured reaction products, Eγ, Iγ, γγ-coin, inclusive and exclusive σ using the DALI2 NaI(Tl) detector array for γ detection, the MINOS time-projection-chamber for p detection, the BigRIPS separator for secondary beam identification, and ZeroDegree spectrometer for reaction product identification at RIBF-RIKEN. 69,71,73Co; deduced levels, J, π, configurations, half-life estimates of three low energy transitions in 69Co. Distorted-wave impulse approximation (DWIA) analysis for cross sections. Comparison with shell model calculations using the Lenzi-Nowacki-Poves-Sieja LNPS and PFSDG-U interactions, and with previous experimental data.

doi: 10.1103/PhysRevC.101.034314
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2020SU16      Phys.Rev. C 101, 064623 (2020)

X.H.Sun, H.Wang, H.Otsu, H.Sakurai, D.S.Ahn, M.Aikawa, N.Fukuda, T.Isobe, S.Kawakami, S.Koyama, T.Kubo, S.Kubono, G.Lorusso, Y.Maeda, A.Makinaga, S.Momiyama, K.Nakano, S.Nakayama, M.Niikura, Y.Shiga, P.-A.Soderstrom, H.Suzuki, H.Takeda, S.Takeuchi, R.Taniuchi, Ya.Watanabe, Yu.Watanabe, H.Yamasaki, X.F.Yang, Y.L.Ye, K.Yoshida

Spallation and fragmentation cross sections for 168 MeV/nucleon 136Xe ions on proton, deuteron, and carbon targets

NUCLEAR REACTIONS 1,2H, C(136Xe, X), E=168 MeV/nucleon, 89Zr/90Zr/91Zr/92Zr/93Zr/94Zr/91Nb/92Nb/93Nb/94Nb/95Nb/96Nb/93Mo/94Mo/95Mo/96Mo/97Mo/98Mo/99Mo/96Tc/97Tc/98Tc/99Tc/100Tc/101Tc/102Tc/97Ru/98Ru/99Ru/100Ru/101Ru/102Ru/103Ru/104Ru/105Ru/106Ru/99Rh/100Rh/101Rh/102Rh/103Rh/104Rh/105Rh/106Rh/107Rh/108Rh/102Pd/103Pd/104Pd/105Pd/106Pd/107Pd/108Pd/109Pd/110Pd/104Ag/105Ag/106Ag/107Ag/108Ag/109Ag/110Ag/111Ag/112Ag/113Ag/114Ag/107Cd/108Cd/109Cd/110Cd/111Cd/112Cd/113Cd/114Cd/115Cd/116Cd/109In/110In/111In/112In/113In/114In/115In/116In/117In/118In/119In/111Sn/112Sn/113Sn/114Sn/115Sn/116Sn/117Sn/118Sn/119Sn/120Sn/121Sn/122Sn/113Sb/114Sb/115Sb/116Sb/117Sb/118Sb/119Sb/120Sb/121Sb/122Sb/123Sb/124Sb/125Sb/116Te/117Te/118Te/119Te/120Te/121Te/122Te/123Te/124Te/125Te/126Te/127Te/128Te/129Te/130Te/131Te/132Te/133Te/134Te/118I/119I/120I/121I/122I/123I/124I/125I/126I/127I/128I/129I/130I/131I/132I/133I/134I/135I/121Xe/122Xe/123Xe/124Xe/125Xe/126Xe/127Xe/128Xe/129Xe/130Xe/131Xe/132Xe/133Xe/134Xe/135Xe/123Cs/124Cs/125Cs/126Cs/127Cs/128Cs/129Cs/130Cs/131Cs/132Cs/133Cs/134Cs/135Cs/136Cs, [secondary 136Xe beam from 9Be(238U, F), E=345 MeV/nucleon primary reaction]; measured reaction products using the BigRIPS separator and ZeroDegree spectrometer at RIBF-RIKEN facility; deduced isotopic production σ and total σ by analyzing the data using the Particle and Heavy Ion Transport code System (PHITS) including dynamical and intranuclear cascade processes and evaporation process, the semi-empirical parametrization for residue cross sections in spallation reactions (SPACS), empirical parametrization of fragmentation cross sections (EPAX), and the deuteron-induced reaction analysis code system (DEURACS) incorporating the deuteron breakup effect. Comparison with theoretical calculations using the JQMD+GEM and INCL+GEM codes.

doi: 10.1103/PhysRevC.101.064623
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2020VA01      Phys.Rev.Lett. 124, 022501 (2020)

V.Vaquero, A.Jungclaus, T.Aumann, J.Tscheuschner, E.V.Litvinova, J.A.Tostevin, H.Baba, D.S.Ahn, R.Avigo, K.Boretzky, A.Bracco, C.Caesar, F.Camera, S.Chen, V.Derya, P.Doornenbal, J.Endres, N.Fukuda, U.Garg, A.Giaz, M.N.Harakeh, M.Heil, A.Horvat, K.Ieki, N.Imai, N.Inabe, N.Kalantar-Nayestanaki, N.Kobayashi, Y.Kondo, S.Koyama, T.Kubo, I.Martel, M.Matsushita, B.Million, T.Motobayashi, T.Nakamura, N.Nakatsuka, M.Nishimura, S.Nishimura, S.Ota, H.Otsu, T.Ozaki, M.Petri, R.Reifarth, J.L.Rodriguez-Sanchez, D.Rossi, A.T.Saito, H.Sakurai, D.Savran, H.Scheit, F.Schindler, P.Schrock, D.Semmler, Y.Shiga, M.Shikata, Y.Shimizu, H.Simon, D.Steppenbeck, H.Suzuki, T.Sumikama, D.Symochko, I.Syndikus, H.Takeda, S.Takeuchi, R.Taniuchi, Y.Togano, J.Tsubota, H.Wang, O.Wieland, K.Yoneda, J.Zenihiro, A.Zilges

Fragmentation of Single-Particle Strength around the Doubly Magic Nucleus 132Sn and the Position of the 0f5/2 Proton-Hole State in 131In

NUCLEAR REACTIONS 4He(132Sn, n), (132Sn, p), E=203 MeV/nucleon; 9Be(238U, X)132Sn, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ. 131Sn, 131In; deduced γ-ray energies, spectroscopic factors, strong fragmentation of single-hole strength. Comparison with theoretical calculations.

doi: 10.1103/physrevlett.124.022501
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2020WI05      Eur.Phys.J. A 56, 159 (2020)

K.Wimmer, T.Arici, W.Korten, P.Doornenbal, J.-P.Delaroche, M.Girod, J.Libert, T.R.Rodriguez, P.Aguilera, A.Algora, T.Ando, H.Baba, B.Blank, A.Boso, S.Chen, A.Corsi, P.Davies, G.de Angelis, G.de France, D.T.Doherty, J.Gerl, R.Gernhauser, T.Goigoux, D.Jenkins, G.Kiss, S.Koyama, T.Motobayashi, S.Nagamine, M.Niikura, S.Nishimura, A.Obertelli, D.Lubos, V.H.Phong, B.Rubio, E.Sahin, T.Y.Saito, H.Sakurai, L.Sinclair, D.Steppenbeck, R.Taniuchi, V.Vaquero, R.Wadsworth, J.Wu, M.Zielinska

Shape coexistence revealed in the N = Z isotope 72Kr through inelastic scattering

doi: 10.1140/epja/s10050-020-00171-3
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2019CO12      Phys.Lett. B 797, 134843 (2019)

A.Corsi, Y.Kubota, J.Casal, M.Gomez-Ramos, A.M.Moro, G.Authelet, H.Baba, C.Caesar, D.Calvet, A.Delbart, M.Dozono, J.Feng, F.Flavigny, J.-M.Gheller, J.Gibelin, A.Giganon, A.Gillibert, K.Hasegawa, T.Isobe, Y.Kanaya, S.Kawakami, D.Kim, Y.Kiyokawa, M.Kobayashi, N.Kobayashi, T.Kobayashi, Y.Kondo, Z.Korkulu, S.Koyama, V.Lapoux, Y.Maeda, F.M.Marques, T.Motobayashi, T.Miyazaki, T.Nakamura, N.Nakatsuka, Y.Nishio, A.Obertelli, A.Ohkura, N.A.Orr, S.Ota, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, E.C.Pollacco, S.Reichert, J.-Y.Rousse, A.T.Saito, S.Sakaguchi, M.Sako, C.Santamaria, M.Sasano, H.Sato, M.Shikata, Y.Shimizu, Y.Shindo, L.Stuhl, T.Sumikama, Y.L.Sun, M.Tabata, Y.Togano, J.Tsubota, T.Uesaka, Z.H.Yang, J.Yasuda, K.Yoneda, J.Zenihiro

Structure of 13Be probed via quasi-free scattering

NUCLEAR REACTIONS 1H(11Li, X), 246 MeV/nucleon; 1H(14Be, np)13Be, E=265 MeV/nucleon; 1H(17B, X), E=277 MeV/nucleon; measured reaction products, Ep, Ip, En, In, Eγ, Iγ. 12,13Be; deduced σ(E), partial level scheme, scattering lengths, resonance energies and widths, transverse momentum distributions.

doi: 10.1016/j.physletb.2019.134843
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2019NA23      Phys.Rev. C 100, 044605 (2019)

K.Nakano, Y.Watanabe, S.Kawase, H.Wang, H.Otsu, H.Sakurai, S.Takeuchi, Y.Togano, T.Nakamura, Y.Maeda, D.S.Ahn, M.Aikawa, S.Araki, S.Chen, N.Chiga, P.Doornenbal, N.Fukuda, T.Ichihara, T.Isobe, S.Kawakami, T.Kin, Y.Kondo, S.Koyama, T.Kubo, S.Kubono, M.Uesaka, A.Makinaga, M.Matsushita, T.Matsuzaki, S.Michimasa, S.Momiyama, S.Nagamine, M.Niikura, T.Ozaki, A.Saito, T.Saito, Y.Shiga, M.Shikata, Y.Shimizu, S.Shimoura, T.Sumikama, P.-A.Soderstrom, H.Suzuki, H.Takeda, R.Taniuchi, J.Tsubota, Y.Watanabe, K.Wimmer, T.Yamamoto, K.Yoshida

Isotope production in proton-, deuteron-, and carbon-induced reactions on 93Nb at 113 MeV/nucleon

NUCLEAR REACTIONS 1,2H, 12C(93Nb, X)90Mo/91Mo/92Mo/87Nb/88Nb/89Nb/90Nb/91Nb/92Nb/85Zr/86Zr/87Zr/88Zr/89Zr/90Zr/91Zr/92Zr/82Y/83Y/84Y/85Y/86Y/87Y/88Y/80Sr/81Sr/82Sr/83Sr/84Sr/85Sr/78Rb/79Rb/80Rb/81Rb/82Rb/83Rb, E=113 MeV/nucleon; measured fragment yields, production σ using CH2, CD2 and C targets, BigRIPS beam separator and the ZeroDegree spectrometer (ZDS) at RIBF-RIKEN facility. Comparison with predictions of INCL-4.6, JQMD, and JQMD-2.0 models, with previous experimental data for 93Zr target, and with the nuclear data libraries JENDL-4.0/HE, TENDL-2017, and ENDF/B-VIII.0

doi: 10.1103/PhysRevC.100.044605
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2019PA25      Phys.Rev.Lett. 122, 162503 (2019)

N.Paul, A.Obertelli, C.A.Bertulani, A.Corsi, P.Doornenbal, J.L.Rodriguez-Sanchez, G.Authelet, H.Baba, D.Calvet, F.Chateau, S.Chen, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, D.Steppenbeck, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, T.Ando, T.Arici, A.Blazhev, F.Browne, A.M.Bruce, R.Carroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, Zs.Dombradi, F.Flavigny, S.Franchoo, F.Giacoppo, M.Gorska, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, A.Jungclaus, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, K.Moschner, S.Nagamine, N.Nakatsuka, C.Nita, S.Nishimura, C.R.Nobs, L.Olivier, S.Ota, Z.Patel, Zs.Podolyak, M.Rudigier, E.Sahin, T.Y.Saito, C.Shand, P.-A.Soderstrom, I.G.Stefan, T.Sumikama, D.Suzuki, R.Orlandi, V.Vaquero, Zs.Vajta, V.Werner, K.Wimmer, J.Wu, Z.Xu

Prominence of Pairing in Inclusive (p, 2p) and (p, pn) Cross Sections from Neutron-Rich Nuclei

NUCLEAR REACTIONS 1H(96Kr, np)95Kr, E ∼ 250 MeV/nucleon; analyzed available data for fifty-five inclusive single nucleon-removal σ; deduced systematically higher cross sections are found for proton removal from nuclei with an even number of protons as compared to odd-proton number projectiles for a given neutron separation energy.

doi: 10.1103/PhysRevLett.122.162503
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2019TA10      Nature(London) 569, 53 (2019)

R.Taniuchi, C.Santamaria, P.Doornenbal, A.Obertelli, K.Yoneda, G.Authelet, H.Baba, D.Calvet, F.Chateau, A.Corsi, A.Delbart, J.-M.Gheller, A.Gillibert, J.D.Holt, T.Isobe, V.Lapoux, M.Matsushita, J.Menendez, S.Momiyama, T.Motobayashi, M.Niikura, F.Nowacki, K.Ogata, H.Otsu, T.Otsuka, C.PĂ©ron, S.Peru, A.Peyaud, E.C.Pollacco, A.Poves, J.-Y.Rousse, H.Sakurai, A.Schwenk, Y.Shiga, J.Simonis, S.R.Stroberg, S.Takeuchi, Y.Tsunoda, T.Uesaka, H.Wang, F.Browne, L.X.Chung, Z.Dombradi, S.Franchoo, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, J.Lee, M.Lettmann, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, S.Nishimura, L.Olivier, S.Ota, Z.Patel, E.Sahin, C.Shand, P.-A.Soderstrom, I.Stefan, D.Steppenbeck, T.Sumikama, D.Suzuki, Z.Vajta, V.Werner, J.Wu, Z.Y.Xu

78Ni revealed as a doubly magic stronghold against nuclear deformation

NUCLEAR REACTIONS 1H(79Cu, 2p), (80Zn, 3p)78Ni, E ∼ 250 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced partial σ, energy levels, J, π, magic nature. Comparison with theoretical calculations.

doi: 10.1038/s41586-019-1155-x
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2019WI08      Phys.Lett. B 795, 266 (2019)

K.Wimmer, P.Doornenbal, W.Korten, P.Aguilera, A.Algora, T.Ando, T.Arici, H.Baba, B.Blank, A.Boso, S.Chen, A.Corsi, P.Davies, G.de Angelis, G.de France, D.T.Doherty, J.Gerl, R.Gernhauser, D.G.Jenkins, S.Koyama, T.Motobayashi, S.Nagamine, M.Niikura, A.Obertelli, D.Lubos, B.Rubio, E.Sahin, T.Y.Saito, H.Sakurai, L.Sinclair, D.Steppenbeck, R.Taniuchi, R.Wadsworth, M.Zielinska

Discovery of 68Br in secondary reactions of radioactive beams

NUCLEAR REACTIONS 9Be(70Kr, X), (71Kr, X), (72Kr, X), (70Br, X)68Br, E=170 MeV/nucleon; measured reaction products; deduced yields, σ, T1/2.

doi: 10.1016/j.physletb.2019.06.014
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2018CO06      Phys.Rev. C 97, 044315 (2018)

M.L.Cortes, P.Doornenbal, M.Dupuis, S.M.Lenzi, F.Nowacki, A.Obertelli, S.Peru, N.Pietralla, V.Werner, K.Wimmer, G.Authelet, H.Baba, D.Calvet, F.Chateau, A.Corsi, A.Delbart, J.-M.Gheller, A.Gillibert, T.Isobe, V.Lapoux, C.Louchart, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, F.Browne, L.X.Chung, Zs.Dombradi, S.Franchoo, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, J.Lee, M.Lettmann, R.Lozeva, K.Matsui, T.Miyazaki, S.Nishimura, L.Olivier, S.Ota, Z.Patel, E.Sahin, C.M.Shand, P-A.Soderstrom, I.Stefan, D.Steppenbeck, T.Sumikama, D.Suzuki, Zs.Vajta, J.Wu, Z.Xu

Inelastic scattering of neutron-rich Ni and Zn isotopes off a proton target

NUCLEAR REACTIONS 1H(72Ni, p'), E=271.0 MeV/nucleon; 1H(74Ni, p'), E=263.5 MeV/nucleon; 1H(76Zn, p'), E=275.5 MeV/nucleon; 1H(80Zn, p'), E=263.4 MeV/nucleon, [secondary 72,74Ni, 76,80Zn beams from 9Be(238U, X), E=345 MeV/nucleon primary reaction, followed by separation of fragments using BigRIPS separator]; measured reaction products, yields, Eγ, Iγ, particles, (particle)γ-coin, angular integrated proton inelastic scattering σ using MINOS target device, DALI2 array for γ detection and ZeroDegree spectrometer for particles at RIBF-RIKEN facility. 72,74Ni, 76,80Zn; deduced first 2+ and 4+ levels, and second 2+ levels in 72,74Ni; analyzed B(E2) values and matrix elements for the first 2+ states. Comparison with shell-model calculations, and with previous measurements. Systematics of β2 deformation parameters in 62Zn to 80Zn, and 54Ni to 74Ni isotopes. Comparison of experimental σ for inelastic scattering with calculations using Jeukenne-Lejeune-Mahaux (JLM) folding model with quasiparticle random-phase approximation (QRPA). 58Ni(p, p), E=295, 250, 333 MeV; 58Ni(p, p'), E=178 MeV; analyzed σ(θ) data using the JLM reaction model and KD02 potential.

doi: 10.1103/PhysRevC.97.044315
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2018LI46      Phys.Lett. B 784, 392 (2018)

X.Y.Liu, Z.Liu, B.Ding, P.Doornenbal, A.Obertelli, S.M.Lenzi, P.M.Walker, L.X.Chung, B.D.Linh, G.Authelet, H.Baba, D.Calvet, F.Chateau, A.Corsi, A.Delbart, J.-M.Gheller, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, F.Nowacki, H.Otsu, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, M.Sasano, Y.Shiga, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, Y.H.Lam, T.H.Huang, M.D.Sun, W.Q.Zhang, H.Y.Lu, D.S.Hou, F.Browne, Zs.Dombradi, S.Franchoo, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, J.Lee, M.Lettmann, R.Lozeva, K.Matsui, T.Miyazaki, S.Nishimura, C.Louchart, L.Olivier, S.Ota, Z.Patel, E.Sahin, C.Santamaria, C.Shand, P.-A.Soderstrom, G.L.Stefan, D.Steppenbeck, T.Sumikama, D.Suzuki, Zs.Vajta, V.Werner, J.Wu, Z.Xu, X.H.Zhou, Y.H.Zhang, H.S.Xu, F.S.Zhang

Spectroscopy of 65, 6725Mn: Strong coupling in the N=40 "island of inversion"

NUCLEAR REACTIONS 1H(68Fe, X)63Mn/65Mn/67Mn, E=260 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π. Comparison with shell model predictions.

doi: 10.1016/j.physletb.2018.06.067
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2018WI08      Phys.Lett. B 785, 441 (2018)

K.Wimmer, W.Korten, T.Arici, P.Doornenbal, P.Aguilera, A.Algora, T.Ando, H.Baba, B.Blank, A.Boso, S.Chen, A.Corsi, P.Davies, G.de Angelis, G.de France, D.T.Doherty, J.Gerl, R.Gernhauser, D.Jenkins, S.Koyama, T.Motobayashi, S.Nagamine, M.Niikura, A.Obertelli, D.Lubos, B.Rubio, E.Sahin, T.Y.Saito, H.Sakurai, L.Sinclair, D.Steppenbeck, R.Taniuchi, R.Wadsworth, M.Zielinska

Shape coexistence and isospin symmetry in A=70 nuclei: Spectroscopy of the Tz = 1 nucleus 70Kr

NUCLEAR REACTIONS 9Be(78Kr, X)70Kr/71Kr/72Kr, 9Be(71Br, X)70Se, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced level scheme, J, π, γ-ray energies and intensities, σ, shape coexistence. Comparison with available data.

doi: 10.1016/j.physletb.2018.07.067
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2018WI10      Phys.Rev. C 98, 064313 (2018)

O.Wieland, A.Bracco, F.Camera, R.Avigo, H.Baba, N.Nakatsuka, T.Aumann, S.R.Banerjee, G.Benzoni, K.Boretzky, C.Caesar, S.Ceruti, S.Chen, F.C.L.Crespi, V.Derya, P.Doornenbal, N.Fukuda, A.Giaz, K.Ieki, N.Kobayashi, Y.Kondo, S.Koyama, T.Kubo, M.Matsushita, B.Million, T.Motobayashi, T.Nakamura, M.Nishimura, H.Otsu, T.Ozaki, A.T.Saito, H.Sakurai, H.Scheit, F.Schindler, P.Schrock, Y.Shiga, M.Shikata, S.Shimoura, D.Steppenbeck, T.Sumikama, S.Takeuchi, R.Taniuchi, Y.Togano, J.Tscheuschner, J.Tsubota, H.Wang, K.Wimmer, K.Yoneda

Low-lying dipole response in the unstable 70Ni nucleus

NUCLEAR REACTIONS 197Au(70Ni, 70Ni'), E=260 MeV/nucleon, [secondary 70Ni beam from 9Be(238U, F), E=345 MeV/nucleon primary reaction and using the BigRIPS magnetic separator for 70Ni ions]; measured reaction products, Eγ, Iγ, Coulomb excitation yields using HECTOR+ and DALI2 arrays at RIBF-RIKEN. 70Ni; deduced 1- pygmy dipole resonances (PDR), B(E1) strengths for 1- states, energy weighted sum rule (EWSR), and B(E2) for the first 2+ state. Comparison with data for 68Ni, and with theoretical predictions.

doi: 10.1103/PhysRevC.98.064313
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2018YA18      Phys.Rev.Lett. 121, 132501 (2018)

J.Yasuda, M.Sasano, R.G.T.Zegers, H.Baba, D.Bazin, W.Chao, M.Dozono, N.Fukuda, N.Inabe, T.Isobe, G.Jhang, D.Kameda, M.Kaneko, K.Kisamori, M.Kobayashi, N.Kobayashi, T.Kobayashi, S.Koyama, Y.Kondo, A.J.Krasznahorkay, T.Kubo, Y.Kubota, M.Kurata-Nishimura, C.S.Lee, J.W.Lee, Y.Matsuda, E.Milman, S.Michimasa, T.Motobayashi, D.Muecher, T.Murakami, T.Nakamura, N.Nakatsuka, S.Ota, H.Otsu, V.Panin, W.Powell, S.Reichert, S.Sakaguchi, H.Sakai, M.Sako, H.Sato, Y.Shimizu, M.Shikata, S.Shimoura, L.Stuhl, T.Sumikama, H.Suzuki, S.Tangwancharoen, M.Takaki, H.Takeda, T.Tako, Y.Togano, H.Tokieda, J.Tsubota, T.Uesaka, T.Wakasa, K.Yako, K.Yoneda, J.Zenihiro

Extraction of the Landau-Migdal Parameter from the Gamow-Teller Giant Resonance in 132Sn

NUCLEAR REACTIONS 1H(132Sn, n), E=216 MeV/nucleon; measured reaction products, En, In; deduced σ(θ, E), B(GT), parameters. Comparison with available data.

doi: 10.1103/PhysRevLett.121.132501
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2017KA46      Prog.Theor.Exp.Phys. 2017, 093D03 (2017)

S.Kawase, K.Nakano, Y.Watanabe, H.Wang, H.Otsu, H.Sakurai, D.S.Ahn, M.Aikawa, T.Ando, S.Araki, S.Chen, N.Chiga, P.Doornenbal, N.Fukuda, T.Isobe, S.Kawakami, T.Kin, Y.Kondo, S.Koyama, S.Kubono, Y.Maeda, A.Makinaga, M.Matsushita, T.Matsuzaki, S.Michimasa, S.Momiyama, S.Nagamine, T.Nakamura, M.Niikura, T.Ozaki, A.Saito, T.Saito, Y.Shiga, M.Shikata, Y.Shimizu, S.Shimoura, T.Sumikama, P.Soderstrom, H.Suzuki, H.Takeda, S.Takeuchi, R.Taniuchi, Y.Togano, J.Tsubota, M.Uesaka, Y.Watanabe, K.Wimmer, T.Yamamoto, K.Yoshida

Study of proton- and deuteron-induced spallation reactions on the long-lived fission product 93Zr at 105 MeV/nucleon in inverse kinematics

NUCLEAR REACTIONS C, H(93Zr, X)92Nb/81Kr/81Rb, E=105 MeV/nucleon; measured reaction products, Eγ, Iγ. 92Zr, 81Br, 81Kr; deduced σ. Comparison with the PHITS calculations with INCL 4.6 for the intranuclear cascade process and GEM for the evaporation process.

doi: 10.1093/ptep/ptx110
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2017NA07      Phys.Lett. B 768, 387 (2017)

N.Nakatsuka, H.Baba, T.Aumann, R.Avigo, S.R.Banerjee, A.Bracco, C.Caesar, F.Camera, S.Ceruti, S.Chen, V.Derya, P.Doornenbal, A.Giaz, A.Horvat, K.Ieki, T.Inakura, N.Imai, T.Kawabata, N.Kobayashi, Y.Kondo, S.Koyama, M.Kurata-Nishimura, S.Masuoka, M.Matsushita, S.Michimasa, B.Million, T.Motobayashi, T.Murakami, T.Nakamura, T.Ohnishi, H.J.Ong, S.Ota, H.Otsu, T.Ozaki, A.Saito, H.Sakurai, H.Scheit, F.Schindler, P.Schrock, Y.Shiga, M.Shikata, S.Shimoura, D.Steppenbeck, T.Sumikama, I.Syndikus, H.Takeda, S.Takeuchi, A.Tamii, R.Taniuchi, Y.Togano, J.Tscheuschner, J.Tsubota, H.Wang, O.Wieland, K.Wimmer, Y.Yamaguchi, K.Yoneda, J.Zenihiro

Observation of isoscalar and isovector dipole excitations in neutron-rich 20O

NUCLEAR REACTIONS 197Au, He(20O, 20O'), E=276 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced excited states and decay γ-ray energies, J, π, branching ratios, inelastic σ, B(E1), strength functions. Comparison with RPA calculations.

doi: 10.1016/j.physletb.2017.03.017
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2017OL07      Phys.Rev.Lett. 119, 192501 (2017)

L.Olivier, S.Franchoo, M.Niikura, Z.Vajta, D.Sohler, P.Doornenbal, A.Obertelli, Y.Tsunoda, T.Otsuka, G.Authelet, H.Baba, D.Calvet, F.Chateau, A.Corsi, A.Delbart, J.-M.Gheller, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, H.Otsu, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, F.Browne, L.X.Chung, Z.Dombradi, F.Flavigny, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, J.Lee, M.Lettmann, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, S.Nishimura, K.Ogata, S.Ota, Z.Patel, E.Sahin, C.Shand, P.-A.Soderstrom, I.Stefan, D.Steppenbeck, T.Sumikama, D.Suzuki, V.Werner, J.Wu, Z.Xu

Persistence of the Z=28 Shell Gap Around 78Ni: First Spectroscopy of 79Cu

NUCLEAR REACTIONS 1H(80Zn, p)79Cu, E=270 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, occupation numbers, systematics. Comparison with Monte Carlo shell-model calculations.

doi: 10.1103/PhysRevLett.119.192501
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2017SH42      Phys.Lett. B 773, 492 (2017)

C.M.Shand, Zs.Podolyak, M.Gorska, P.Doornenbal, A.Obertelli, F.Nowacki, T.Otsuka, K.Sieja, J.A.Tostevin, Y.Tsunoda, G.Authelet, H.Baba, D.Calvet, A.Chateau, S.Chen, A.Corsi, A.Delbart, J.M.Gheller, A.Giganon, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, N.Paul, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, D.Steppenbeck, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, T.Ando, T.Arici, A.Blazhev, F.Browne, A.M.Bruce, R.J.Carroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, Zs.Dombradi, F.Flavigny, S.Franchoo, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, A.Jungclaus, Z.Korkulu, S.Koyama, Y.Kubota, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, K.Moschner, M.Nagamine, N.Nakatsuka, S.Nishimura, C.R.Nita, C.R.Nobs, L.Olivier, S.Ota, R.Orlandi, Z.Patel, P.H.Regan, M.Rudigier, E.Sahin, T.Saito, P.-A.Soderstrom, I.Stefan, T.Sumikama, D.Suzuki, Zs.Vajta, V.Vaquero, V.Werner, K.Wimmer, J.Wu, Z.Y.Xu

Shell evolution beyond Z = 28 and N = 50: Spectroscopy of 81, 82, 83, 84Zn

NUCLEAR REACTIONS H(82Ga, 2p)81Zn, (83Ga, 2p)82Zn, (84Ga, X)82Zn, (86Ga, X)83Zn, (85Ga, X)84Zn, E ∼ 270 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π; Comparison with Ni78-II, A3DA-m and PFSDG-U calculations.

doi: 10.1016/j.physletb.2017.09.001
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2016WA05      Phys.Lett. B 754, 104 (2016)

H.Wang, H.Otsu, H.Sakurai, D.S.Ahn, M.Aikawa, P.Doornenbal, N.Fukuda, T.Isobe, S.Kawakami, S.Koyama, T.Kubo, S.Kubono, G.Lorusso, Y.Maeda, A.Makinaga, S.Momiyama, K.Nakano, M.Niikura, Y.Shiga, P.-A.Soderstrom, H.Suzuki, H.Takeda, S.Takeuchi, R.Taniuchi, Ya.Watanabe, Yu.Watanabe, H.Yamasaki, K.Yoshida

Spallation reaction study for fission products in nuclear waste: Cross section measurements for 137Cs and 90Sr on proton and deuteron

NUCLEAR REACTIONS 1,2H(137Cs, X), (90Sr, X)Cs/Ba/Xe/I/Te/Sb/Y/Rb/Br/Sr/Kr/Se, E=185 MeV/nucleon [from Be(238U, X), E=345 MeV/nucleon]; measured reaction products; deduced σ. The experimental data are compared with the PHITS calculation.

doi: 10.1016/j.physletb.2015.12.078
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2015SA43      Phys.Rev.Lett. 115, 192501 (2015)

C.Santamaria, C.Louchart, A.Obertelli, V.Werner, P.Doornenbal, F.Nowacki, G.Authelet, H.Baba, D.Calvet, F.Chateau, A.Corsi, A.Delbart, J.-M.Gheller, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, M.Sasano, Y.Shiga, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, F.Browne, L.X.Chung, Zs.Dombradi, S.Franchoo, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, J.Lee, M.Lettmann, R.Lozeva, K.Matsui, T.Miyazaki, S.Nishimura, L.Olivier, S.Ota, Z.Patel, N.Pietralla, E.Sahin, C.Shand, P.-A.Soderstrom, I.Stefan, D.Steppenbeck, T.Sumikama, D.Suzuki, Zs.Vajta, J.Wu, Z.Xu

Extension of the N = 40 Island of Inversion towards N = 50: Spectroscopy of 66Cr, 70, 72Fe

NUCLEAR REACTIONS 1H(67Mn, 2p), E= ∼ 200 MeV/nucleon; 1H(71Co, 2p), (73Co, 2p), E ∼ 260 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced level energies, J, π. Comparison with shell model calculations.

doi: 10.1103/PhysRevLett.115.192501
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1995GO33      Hyperfine Interactions 96, 63 (1995)

T.Goto, S.Koyama, T.Kaneko, S.Abe

Effects of Nitrogen and Vanadium on the 57Fe Hyperfine Field of RFe(12-x)V(x)N(y)(R = Y, Nd)

NUCLEAR REACTIONS 57Fe(γ, γ), E=14.4 keV; measured Mossbauer spectra; deduced nitrogen, vanadium atoms effect on 57Fe hyperfine fields at different crystallographic sites. Ternary RFe(12-x)V(x)N(y)(R=Y, Nd).

doi: 10.1007/BF02066272
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1970KO41      Progr.Theoret.Phys. 44, 663 (1970)

S.-I.Koyama, K.Takahashi, M.Yamada

Gross Theory of β-Decay and its Application to the Fermi Matrix Element

RADIOACTIVITY 3H, 7Be, 11C, 13N, 15O, 17F, 19Ne, 21Na, 23Mg, 25Al, 27Si, 29P, 31S, 33Cl, 35Ar, 37K, 39Ca, 41Sc, 43Ti, 10C, 14O, 26mAl, 34Cl, 38mK, 42Sc, 46V, 50Mn, 54Co; calculated Fermi matrix elements for superallowed transitions. 27Mg, 41Ar, 49Ca, 59Fe, 65Ni, 57Ni, 64,66Ga, 156Eu, 170Lu, 234Np, 8Li, 20F; calculated Fermi matrix elements for T-forbidden transitions.

doi: 10.1143/PTP.44.663
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