NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = S.Ota Found 120 matches. Showing 1 to 100. [Next]2024IM02 Phys.Lett. B 850, 138470 (2024) N.Imai, M.Dozono, S.Michimasa, T.Sumikama, S.Ota, S.Hayakawa, J.W.Hwang, K.Iribe, C.Iwamoto, S.Kawase, K.Kawata, N.Kitamura, S.Masuoka, K.Nakano, P.Schrock, D.Suzuki, R.Tsunoda, K.Wimmer, D.S.Ahn, O.Beliuskina, N.Chiga, N.Fukuda, E.Ideguchi, K.Kusaka, H.Miki, H.Miyatake, D.Nagae, S.Ohmika, M.Ohtake, H.J.Ong, H.Otsu, H.Sakurai, H.Shimizu, Y.Shimizu, X.Sun, H.Suzuki, M.Takaki, H.Takeda, S.Takeuchi, T.Teranishi, Y.Watanabe, Y.X.Watanabe, K.Yako, H.Yamada, H.Yamaguchi, L.Yang, R.Yanagihara, Y.Yanagisawa, K.Yoshida, S.Shimoura Neutron capture reaction cross-section of 79Se through the 79Se(d, p) reaction in inverse kinematics NUCLEAR REACTIONS 2H(77Se, p), (79Se, p), E=20 MeV/nucleon; measured reaction products, Eγ, Iγ. 78,80Se; deduced γ-ray energies, γ-emission probabilities, σ, isomer ratio. Comparison with available data, TALYS and code DWUCK5 calculations. The surrogate-ratio method, the RI Beam Factory operated by the RIKEN Nishina Center and the Center for Nuclear Studies (CNS), University of Tokyo, by employing the novel "optimized energy degrading optics" (OEDO) for radioactive isotope (RI) beams.
doi: 10.1016/j.physletb.2024.138470
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
2023NO05 Prog.Theor.Exp.Phys. 2023, 093D01 (2023) T.Noro, S.Sakaguchi, T.Wakasa, M.Dozono, H.Fujioka, K.Fujita, K.Hatanaka, T.Ishida, C.Iwamoto, S.Kawase, Y.Kubota, Y.Maeda, H.Matsubara, K.Miki, S.Ota, V.Panin, H.Sakaguchi, A.Sakaue, Y.Sakemi, M.Sasano, K.Sekiguchi, Y.Shimizu, H.Takeda, Y.Tameshige, A.Tamii, S.Terashima, T.Uesaka, Z.-H.Yang, Y.Yasuda, H.P.Yoshida, J.Zenihiro Experimental study of (p, 2p) reactions at 197 MeV on 12C, 16O, 40, 48Ca, and 90Zr nuclei leading to low-lying states of residual nuclei NUCLEAR REACTIONS 12C, 16O, 40,48Ca, 96Zr(polarized p, 2p), E=197 MeV; measured reaction products; deduced σ(θ, E), spectroscopic factors, analyzing powers, S-factors. Comparison with DWIA calculations. The Research Center for Nuclear Physics polarized proton beam.
doi: 10.1093/ptep/ptad116
2022BU13 Phys.Rev. C 105, 045805 (2022) S.Burcher, K.A.Chipps, R.O.Hughes, C.S.Reingold, A.Saastamoinen, J.T.Harke, N.Cooper, S.Ahn, J.M.Allmond, H.Clark, J.A.Cizewski, M.R.Hall, J.Hooker, H.Jayatissa, K.L.Jones, S.Ota, S.D.Pain, K.Schmidt, A.Simon, S.Upadhyayula Developing the32S(p, d)31S*(p)(γ) reaction to probe the 30P(p, γ)31S reaction rate in classical novae NUCLEAR REACTIONS 32S(p, d), E=33 MeV; measured reaction products, Ep, Ip, Eγ, Iγ, deuteron spectra, (deuteron)p-coin, (particle)γ-coin, angular distributions; deduced s(θ). 31S; deduced levels, J, π, proton decay width of excited states, proton decay branching ratios. DWBA analysis. Comparison to other experimental data. Discussed relevance to resonances investigations in astrophysically important 30P(p, γ) reaction. Hyperion setup consisting of 12 Compton-suppressed HPGe clover detectors, a silicon telescope downstream of the target, and a single silicon detector upstream of the target at K150 cyclotron (Texas A-M Cyclotron Institute).
doi: 10.1103/PhysRevC.105.045805
2022LI20 Phys.Rev.Lett. 128, 152701 (2022) H.F.Li, S.Naimi, T.M.Sprouse, M.R.Mumpower, Y.Abe, Y.Yamaguchi, D.Nagae, F.Suzaki, M.Wakasugi, H.Arakawa, W.B.Dou, D.Hamakawa, S.Hosoi, Y.Inada, D.Kajiki, T.Kobayashi, M.Sakaue, Y.Yokoda, T.Yamaguchi, R.Kagesawa, D.Kamioka, T.Moriguchi, M.Mukai, A.Ozawa, S.Ota, N.Kitamura, S.Masuoka, S.Michimasa, H.Baba, N.Fukuda, Y.Shimizu, H.Suzuki, H.Takeda, D.S.Ahn, M.Wang, C.Y.Fu, Q.Wang, S.Suzuki, Z.Ge, Y.A.Litvinov, G.Lorusso, P.M.Walker, Z.Podolyak, T.Uesaka First Application of Mass Measurements with the Rare-RI Ring Reveals the Solar r-Process Abundance Trend at A=122 and A=123 ATOMIC MASSES 123Pd, 125Cd, 126In; measured frequencies; deduced mass excess values with low uncertainties. Comparison with calculations. Radioactive Isotope Beam Factory (RIBF) in RIKEN.
doi: 10.1103/PhysRevLett.128.152701
2022RE03 Phys.Rev. C 105, 034612 (2022) C.S.Reingold, A.Simon, R.O.Hughes, J.T.Harke, K.A.Chipps, S.Burcher, D.T.Blankstien, J.A.Cizewski, N.Cooper, M.Hall, S.Ota, B.Schroeder, S.Upadhyayula Spin inhibition in ψ-decay probabilities for states above Sn in Sm and Dy nuclei NUCLEAR REACTIONS 148Sm(p, d), 148Sm, 162Dy(p, t), E=29.55 MeV; measured charged particles, Eγ, Iγ, deuteron and triton spectra, (particle)γ-coin. 146,147Sm, 160Dy; deduced γ-decay probabilities. Investigated the eefect of spin-inhibition for high-spin states above neutron separation threshold. Hyperion setup comprised of Compton-suppressed clover detectors for γ-ray measurements and a ΔE-E telescope for particle energy measurements and identification. Beam from K150 cyclotron at Texas A
doi: 10.1103/PhysRevC.105.034612
2022ST07 Eur.Phys.J. A 58, 223 (2022) A.I.Stefanescu, V.Panin, L.Trache, T.Motobayashi, H.Otsu, A.Saastamoinen, T.Uesaka, L.Stuhl, J.Tanaka, D.Tudor, I.C.Stefanescu, A.E.Spiridon, K.Yoneda, H.Baba, M.Kurokawa, Y.Togano, Z.Halasz, M.Sasano, S.Ota, Y.Kubota, D.S.Ahn, T.Kobayashi, Z.Elekes, N.Fukuda, H.Takeda, D.Kim, E.Takada, H.Suzuki, K.Yoshida, Y.Shimizu, H.N.Liu, Y.L.Sun, T.Isobe, J.Gibelin, P.J.Li, J.Zenihiro, F.M.Marques, M.N.Harakeh, G.G.Kiss, A.Kurihara, M.Yasuda, T.Nakamura, S.Park, Z.Yang, T.Harada, M.Nishimura, H.Sato, I.S.Hahn, K.Y.Chae, J.M.Elson, L.G.Sobotka, C.A.Bertulani Silicon tracker array for RIB experiments at SAMURAI
doi: 10.1140/epja/s10050-022-00873-w
2021CA19 Phys.Rev. C 104, L022802 (2021) L.Canete, G.Lotay, G.Christian, D.T.Doherty, W.N.Catford, S.Hallam, D.Seweryniak, H.M.Albers, S.Almaraz-Calderon, E.A.Bennett, M.P.Carpenter, C.J.Chiara, J.P.Greene, C.R.Hoffman, R.V.F.Janssens, J.Jose, A.Kankainen, T.Lauritsen, A.Matta, M.Moukaddam, S.Ota, A.Saastamoinen, R.Wilkinson, S.Zhu New constraints on the 25Al (p, γ) reaction and its influence on the flux of cosmic γ rays from classical nova explosions NUCLEAR REACTIONS 11B(16O, p)26Mg, E=19 MeV from Argonne ATLAS accelerator; measured Eγ, Iγ, γγ-coin, γ(θ) and level half-lives by DSAM using Gammasphere array of 99 HPGe detectors. 2H(25Mg, p)26Mg, E=10 MeV/nucleon from Texas A and M cyclotron; measured outgoing protons and scattered deuterons using the TIARA Si array, and 26Mg recoils by the MDM-2 magnetic spectrometer with Oxford ionization chamber, angular distributions of scattered deuterons and protons. 26Mg; deduced levels, J, π, resonances, spectroscopic factors. 26Si; deduced levels, resonances, J, π, Γp, Γγ, resonance strengths by comparing with the level structures of mirror nucleus 26Mg. 25Al(p, γ)26Si, T=0.2-0.4 GK; deduced stellar reaction rate by considering the contribution of resonant states in 26Si, galactic abundance of 26Al from classical novae; performed nova outburst simulations using the hydrodynamic Lagrangian time-implicit code SHIVA.
doi: 10.1103/PhysRevC.104.L022802
2021OT02 Phys.Rev. C 104, 055806 (2021) S.Ota, G.Christian, W.N.Catford, G.Lotay, M.Pignatari, U.Battino, E.A.Bennett, S.Dede, D.T.Doherty, S.Hallam, F.Herwig, J.Hooker, C.Hunt, H.Jayatissa, A.Matta, M.Moukaddam, E.Rao, G.V.Rogachev, A.Saastamoinen, D.Scriven, J.A.Tostevin, S.Upadhyayula, R.Wilkinson (6Li, d) and (6Li, t) reactions on 22Ne and implications for s-process nucleosynthesis NUCLEAR REACTIONS 6Li(22Ne, d)26Mg, 6Li(22Na, t)25Mg, E=154 MeV; 2H(22Ne, p)23Ne, E not given; measured reaction products, E(d), I(d), E(p), I(p), Eγ, Iγ, 26Mg and 25Mg recoils, (26Mg)γ-coin, (25Mg)γ-coin, (particle)(particle)-coin, σ(θ) using TIARA Si detector array of two sets of Si detectors, 'Hyball' and 'Barrel', MDM high-resolution and broad range magnetic spectrometer, and array of four HPGe detectors at the K150 cyclotron of Texas A and M University. 23Ne, 25Mg, 26Mg; deduced levels, J, π, resonances, resonances in the Gamow window of 22Ne(α, n)25Mg reaction, spectroscopic factors, α-spectroscopic factors for 26Mg, resonance strengths, impact of 22Ne+α resonances on s-process nucleosynthesis; comparison of σ(θ) data with DWBA calculations using FRESCO code. Comparison with previous experimental results. 22Ne(α, n), (α, γ); calculated s-process overproduction factors in stars 3 and 5 times the mass of the sun for A=60-210 isotopes.
doi: 10.1103/PhysRevC.104.055806
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
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
2020HA03 Phys.Rev. C 101, 015804 (2020) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu γ-ray spectroscopy of astrophysically important states in 39Ca NUCLEAR REACTIONS 40Ca(3He, αγ)39Ca, E=30 MeV; Measured Eγ, Iγ, Eα, Iα, αγ-coin, reaction products using the GODDESS array (Gammasphere for γ detection and ORRUBA for particle detection) at the ATLAS-ANL facility. 39Ca; deduced levels, J, π, γ-branching ratios. 38K(p, γ)39Ca, T=0.1-0.4 GK; deduced resonance parameters, astrophysical reaction rates. Discussed impact on abundances of isotopes created at the endpoint of nova nucleosynthesis.
doi: 10.1103/PhysRevC.101.015804
2020HA31 Phys.Rev. C 102, 045802 (2020) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu 19Ne level structure for explosive nucleosynthesis NUCLEAR REACTIONS 19F(3He, t)19Ne, E=30 MeV; measured reaction products, E(t), I(t), Eγ, Iγ, (triton)γ-, and (triton)γγ-coin using ORRUBA array with Micron QQQ5 telescopes for tritons and Gammasphere array for γ rays at ATLAS-ANL facility. 19Ne; deduced levels, J, π, γ-branching ratios. Comparison with earlier experimental results and with evaluated data. 18F(p, α)15O, E(cm)<0.9 MeV; calculated astrophysical S factors, and reaction rates at temperature of 0.06 to 0.4 GK.
doi: 10.1103/PhysRevC.102.045802
2020HO01 Phys.Lett. B 801, 135185 (2020) K.B.Howard, U.Garg, M.Itoh, H.Akimune, S.Bagchi, T.Doi, Y.Fujikawa, M.Fujiwara, T.Furuno, M.N.Harakeh, Y.Hijikata, K.Inaba, S.Ishida, N.Kalantar-Nayestanaki, T.Kawabata, S.Kawashima, K.Kitamura, N.Kobayashi, Y.Matsuda, A.Nakagawa, S.Nakamura, K.Nosaka, S.Okamoto, S.Ota, S.Weyhmiller, Z.Yang Compression-mode resonances in the calcium isotopes and implications for the asymmetry term in nuclear incompressibility NUCLEAR REACTIONS 40,42,44,48Ca(α, α'), E=386 MeV; measured reaction products, Eα, Iα; deduced positive value for the asymmetry term in the nuclear incompressibility. Isoscalar giant monopole resonance (ISGMR).
doi: 10.1016/j.physletb.2019.135185
2020HO11 Phys.Lett. B 807, 135608 (2020) K.B.Howard, U.Garg, M.Itoh, H.Akimune, M.Fujiwara, T.Furuno, Y.K.Gupta, M.N.Harakeh, K.Inaba, Y.Ishibashi, K.Karasudani, T.Kawabata, A.Kohda, Y.Matsuda, M.Murata, S.Nakamura, J.Okamoto, S.Ota, J.Piekarewicz, A.Sakaue, M.Senyigit, M.Tsumura, Y.Yang Compressional-mode resonances in the molybdenum isotopes: Emergence of softness in open-shell nuclei near A = 90 NUCLEAR REACTIONS 94,96,98,100Mo(α, α'), E=386 MeV; measured reaction products, Eα, Iα; deduced σ(θ, E), isoscalar giant monopole resonance (ISGMR) strength distributions within the MDA framework, softness in the molybdenum isotopes. Comparison with relativistic, self-consistent Random-Phase Approximation calculations.
doi: 10.1016/j.physletb.2020.135608
2020JA02 Phys.Lett. B 802, 135267 (2020) H.Jayatissa, G.V.Rogachev, V.Z.Goldberg, E.Koshchiy, G.Christian, J.Hooker, S.Ota, B.T.Roeder, A.Saastamoinen, O.Trippella, S.Upadhyayula, E.Uberseder Constraining the 22Ne(α, γ))26Mg and 22Ne(α, n)25Mg reaction rates using sub-Coulomb α-transfer reactions NUCLEAR REACTIONS 6Li(22Ne, d), E(cm)=4.6 MeV; 6Li(22Ne, t), E(cm)=5.3 MeV; measured reaction products; deduced excitation energies, σ, resonance parameters, astrophysical rates.
doi: 10.1016/j.physletb.2020.135267
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
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
2020MI13 Phys.Rev.Lett. 125, 122501 (2020) S.Michimasa, M.Kobayashi, Y.Kiyokawa, S.Ota, R.Yokoyama, D.Nishimura, D.S.Ahn, H.Baba, G.P.A.Berg, M.Dozono, N.Fukuda, T.Furuno, E.Ideguchi, N.Inabe, T.Kawabata, S.Kawase, K.Kisamori, K.Kobayashi, T.Kubo, Y.Kubota, C.S.Lee, M.Matsushita, H.Miya, A.Mizukami, H.Nagakura, H.Oikawa, H.Sakai, Y.Shimizu, A.Stolz, H.Suzuki, M.Takaki, H.Takeda, S.Takeuchi, H.Tokieda, T.Uesaka, K.Yako, Y.Yamaguchi, Y.Yanagisawa, K.Yoshida, S.Shimoura Mapping of a New Deformation Region around 62Ti ATOMIC MASSES 61,62,63,64V, 58,59,60,61,62Ti, 55,56,57,58,59,60Sc; measured time of flight, charge, magnetic rigidity; deduced mass excesses. Comparison with AME2016 and available data. RADIOACTIVITY 59,61Ti, 56,58Sc(IT) [from 9Be(70Zn, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, T1/2. Comparison with available data.
doi: 10.1103/PhysRevLett.125.122501
2020MO32 Phys.Rev. C 102, 034325 (2020) S.Momiyama, K.Wimmer, D.Bazin, J.Belarge, P.Bender, B.Elman, A.Gade, K.W.Kemper, N.Kitamura, B.Longfellow, E.Lunderberg, M.Niikura, S.Ota, P.Schrock, J.A.Tostevin, D.Weisshaar Shell structure of 43S and collapse of the N=28 shell closure NUCLEAR REACTIONS 9Be(44S, 43S), E=93.7 MeV/nucleon, [44S secondary beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction, followed by separation and identification of 44S ions by A1900 separator and S800 spectrograph at the NSCL-MSU cyclotron facility]; measured reaction products, Eγ, Iγ, Doppler-corrected γ-ray spectrum using GRETINA array, delayed γ rays from the decay of isomeric states using IsoTagger consisting of 32 CsI(Na) detectors, (43S)γ- and γγ-coin, parallel momentum distributions. 43S; deduced levels, J, π, inclusive and exclusive cross sections for bound states, spectroscopic factors. Comparison with shell-model calculations using SDPF-U and SDPF-MU effective interactions. 44S; deduced intruder configuration in the ground state and N=28 shell quenching from the removal of a 2p3/2 neutron.
doi: 10.1103/PhysRevC.102.034325
2020OT01 Phys.Lett. B 802, 135256 (2020) S.Ota, G.Christian, G.Lotay, W.N.Catford, E.A.Bennett, S.Dede, D.T.Doherty, S.Hallam, J.Hooker, C.Hunt, H.Jayatissa, A.Matta, M.Moukaddam, G.V.Rogachev, A.Saastamoinen, J.A.Tostevin, S.Upadhyayula, R.Wilkinson Decay properties of 22Ne + α resonances and their impact on s-process nucleosynthesis NUCLEAR REACTIONS 6Li(22Ne, d)26Mg, E=154 MeV; measured reaction products; deduced resonance parameters, n/γ branching ratio. Comparison with Monte Carlo calculations.
doi: 10.1016/j.physletb.2020.135256
2020TA11 Phys.Rev.Lett. 124, 212502 (2020) T.L.Tang, T.Uesaka, S.Kawase, D.Beaumel, M.Dozono, T.Fujii, N.Fukuda, T.Fukunaga, A.Galindo-Uribarri, S.H.Hwang, N.Inabe, D.Kameda, T.Kawahara, W.Kim, K.Kisamori, M.Kobayashi, T.Kubo, Y.Kubota, K.Kusaka, C.S.Lee, Y.Maeda, H.Matsubara, S.Michimasa, H.Miya, T.Noro, A.Obertelli, K.Ogata, S.Ota, E.Padilla-Rodal, S.Sakaguchi, H.Sakai, M.Sasano, S.Shimoura, S.S.Stepanyan, H.Suzuki, M.Takaki, H.Takeda, H.Tokieda, T.Wakasa, T.Wakui, K.Yako, Y.Yanagisawa, J.Yasuda, R.Yokoyama, K.Yoshida, K.Yoshida, J.Zenihiro How Different is the Core of 25F from 24Og.s.? NUCLEAR REACTIONS C, 1H(23F, 2p), (25F, 2p), E=277 MeV/nucleon; measured reaction products. 20,21,22,23,24O; deduced integrated σ, J, π, level energies, spectroscopic factors.
doi: 10.1103/PhysRevLett.124.212502
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
2019AK03 Phys.Rev. C 99, 054601 (2019) O.A.Akindele, B.S.Alan, J.T.Burke, R.J.Casperson, R.O.Hughes, J.D.Koglin, K.Kolos, E.B.Norman, S.Ota, A.Saastamoinen Expansion of the surrogate method to measure the prompt fission neutron multiplicity for 241Pu NUCLEAR REACTIONS 242Pu(α, α'), (α, F), E=53.96 MeV; measured scattered α particles and other reaction products, neutrons, light charged particles p, d, t, 3He, α(fission fragment)- and αn-coin using the NeutronSTARS array for charged particle and neutron detection at the Cyclotron Institute of Texas A and M University. 241Pu(n, F), E<20 MeV; deduced average neutron multiplicity, and derived neutron multiplicity moments as a function of equivalent neutron energy using the surrogate method. Comparison with previous experimental values.
doi: 10.1103/PhysRevC.99.054601
2019BA22 Phys.Rev. C 99, 054317 (2019) A.E.Barzakh, J.G.Cubiss, A.N.Andreyev, M.D.Seliverstov, B.Andel, S.Antalic, P.Ascher, D.Atanasov, D.Beck, J.Bieron, K.Blaum, Ch.Borgmann, M.Breitenfeldt, L.Capponi, T.E.Cocolios, T.Day Goodacre, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, S.Fritzsche, L.P.Gaffney, S.George, L.Ghys, F.P.Hessberger, M.Huyse, N.Imai, Z.Kalaninova, D.Kisler, U.Koster, M.Kowalska, S.Kreim, J.F.W.Lane, V.Liberati, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, S.Mitsuoka, P.L.Molkanov, Y.Nagame, D.Neidherr, K.Nishio, S.Ota, D.Pauwels, L.Popescu, D.Radulov, E.Rapisarda, J.P.Revill, M.Rosenbusch, R.E.Rossel, S.Rothe, K.Sandhu, L.Schweikhard, S.Sels, V.L.Truesdale, C.Van Beveren, P.Van den Bergh, P.Van Duppen, Y.Wakabayashi, K.D.A.Wendt, F.Wienholtz, B.W.Whitmore, G.L.Wilson, R.N.Wolf, K.Zuber Inverse odd-even staggering in nuclear charge radii and possible octupole collectivity in 217, 218, 219At revealed by in-source laser spectroscopy NUCLEAR MOMENTS 217,218,219At; measured hyperfine structure spectra, isotopic shifts, and hyperfine splitting constants using in-source resonance-ionization technique at CERN-ISOLDE; deduced magnetic dipole and electric quadrupole moments, changes in nuclear mean-square charge radii, octupole collectivity. 217,218,219At isotopes produced in U(p, X), E=1.4 GeV reaction. Systematics of g factors in 209,211,213Bi, 211,217,219At, 213,219,221,223,225Fr, 215,217,227Ac, changes in rms charge radii for 207,208,209,210,211,217,218,219At, shell-effect parameters in Pb, Bi, Po, At, Rn, Fr, Ra, Ac isotopes, and odd-even staggering in 205,207,209,211Pb, 207,209,217Po, 208,210,218At, 210,212,220,222,224,226Fr, 219,221Rn, 221,223,225,227Ra.
doi: 10.1103/PhysRevC.99.054317
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
2019GH11 Phys.Rev. C 100, 054310 (2019) L.Ghys, A.N.Andreyev, M.Huyse, P.Van Duppen, S.Antalic, A.Barzakh, L.Capponi, T.E.Cocolios, J.Cubiss, X.Derkx, H.De Witte, J.Elseviers, F.P.Hessberger, Z.Kalaninova, U.Koster, J.F.W.Lane, V.Liberati, S.Mitsuoka, Y.Nagame, K.Nishio, S.Ota, D.Pauwels, R.D.Page, L.Popescu, D.Radulov, M.M.Rajabali, E.Rapisarda, K.Sandhu, V.L.Truesdale, P.Van den Bergh, Y.Wakabayashi α-decay properties of 200, 202Fr RADIOACTIVITY 200,202,202mFr, 196,198,198mAt, 194,192Bi(α)[from 238U(p, F), E=1.4 GeV]; measured Eα, Iα, Eγ, Iγ, αγ- and αγγ-coin, half-lives of 200Fr g.s., 198At g.s. and 198At isomer using the windmill detection setup at ISOLDE-CERN; 196,198At, 192,194Bi; deduced levels, J, π, total conversion coefficients, multipolarities, α-reduced widths. 190Tl, 194Bi, 198At, 202Fr, 206Ac; deduced energies of the isomeric states and compared to previous experimental values. 198,202Po, 200,202At, 202Rn(α); measured Eα. Systematics of 206Ac to 190Tl and 200Fr to 188Tl decay chains. Systematics of α-reduced widths for odd-odd A=184-201 Fr, At and Bi α-emitters.
doi: 10.1103/PhysRevC.100.054310
2019HA08 Phys.Rev.Lett. 122, 052701 (2019) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu Key 19Ne States Identified Affecting γ-Ray Emission from 18F in Novae NUCLEAR REACTIONS 19F(3He, t)19Ne, E=30 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, S-factor, reaction rates, resonance energies. Comparison with available data.
doi: 10.1103/PhysRevLett.122.052701
2019HA14 Phys.Rev. C 99, 035805 (2019) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu New γ-ray transitions observed in 19Ne with implications for the 15O(α, γ)19Ne reaction rate NUCLEAR REACTIONS 19F(3He, t), E=30 MeV; measured triton spectra, Eγ, Iγ, tγ- and γγ-coin using Gammasphere array for γ detection with the silicon detector array ORRUBA Dual Detectors for Experimental Structure Studies (GODDESS) at ATLAS-ANL facility. 19Ne; deduced levels, J, π, and γ-branching ratios for the decay of 4.14- and 4.20-MeV states. 15O(α, γ)19Ne, E≈18-180 keV; calculated fractional contribution of the corrected branching ratios for the 4.14 MeV, 7/2- and 4.20 MeV, 9/2- states in 19Ne to astrophysical reaction rate, which is of significance in breakout from the hot CNO cycle in type I x-ray bursts. Comparison with previous experimental values.
doi: 10.1103/PhysRevC.99.035805
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
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
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.Péron, 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
2019WA18 Phys.Rev. C 99, 054625 (2019) D.Walter, S.D.Pain, J.A.Cizewski, F.M.Nunes, S.Ahn, T.Baugher, D.W.Bardayan, T.Baumann, D.Bazin, S.Burcher, K.A.Chipps, G.Cerizza, K.L.Jones, R.L.Kozub, S.J.Lonsdale, B.Manning, F.Montes, P.D.O'Malley, S.Ota, J.Pereira, A.Ratkiewicz, P.Thompson, C.Thornsberry, S.Williams Constraining spectroscopic factors near the r-process path using combined measurements: 86Kr (d, p) 87Kr NUCLEAR REACTIONS 2H(86Kr, p), E=33 MeV/nucleon; measured Ep, Ip, recoils, (recoils)p-coin, differential σ(θ) using the Oak Ridge Rutgers University Barrel Array (ORRUBA) coupled to the S800 magnetic spectrograph at the NSCL-MSU facility. 87Kr; deduced levels, J, π, L-transfer, single-particle asymptotic normalization coefficients (ANCs) and spectroscopic factors for the ground, first 1/2+, and 7/2+ states. Comparison with FR-ADWA analysis with KD optical model parameters, and with previous experimental results at E=5.5 MeV/nucleon.
doi: 10.1103/PhysRevC.99.054625
2019WA33 Phys.Rev. C 100, 064609 (2019) B.S.Wang, J.T.Harke, O.A.Akindele, R.J.Casperson, R.O.Hughes, J.D.Koglin, K.Kolos, E.B.Norman, S.Ota, A.Saastamoinen Determining the average prompt-fission-neutron multiplicity for 239Pu(n, f) via a 240Pu(α, α' f) surrogate reaction NUCLEAR REACTIONS 240Pu(α, α'F), E=53.9 MeV; measured fission fragments, charged particles, scattered α particles, Eα, Iα, E(n), I(n), α(fission fragment)- and αn(fission fragment)-coin using the NeutronSTARS array and NeutronBall at the K150 Cyclotron facility of Texas A and M University; deduced particle-identification plot for p, d, t, 3He and α particles. 239Pu(n, F), E=0.25-26.25 MeV; deduced average prompt-fission-neutron multiplicity using the results from surrogate reaction 240Pu(α, a°F). Comparison with previous experimental results from direct measurements.
doi: 10.1103/PhysRevC.100.064609
2018CH27 Prog.Theor.Exp.Phys. 2018, 053D01 (2018) S.Chebotaryov, S.Sakaguchi, T.Uesaka, T.Akieda, Y.Ando, M.Assie, D.Beaumel, N.Chiga, M.Dozono, A.Galindo-Uribarri, B.Heffron, A.Hirayama, T.Isobe, K.Kaki, S.Kawase, W.Kim, T.Kobayashi, H.Kon, Y.Kondo, Y.Kubota, S.Leblond, H.Lee, T.Lokotko, Y.Maeda, Y.Matsuda, K.Miki, E.Milman, T.Motobayashi, T.Mukai, S.Nakai, T.Nakamura, A.Ni, T.Noro, S.Ota, H.Otsu, T.Ozaki, V.Panin, S.Park, A.Saito, H.Sakai, M.Sasano, H.Sato, K.Sekiguchi, Y.Shimizu, I.Stefan, L.Stuhl, M.Takaki, K.Taniue, K.Tateishi, S.Terashima, Y.Togano, T.Tomai, Y.Wada, T.Wakasa, T.Wakui, A.Watanabe, H.Yamada, Zh.Yang, M.Yasuda, J.Yasuda, K.Yoneda, J.Zenihiro Proton elastic scattering at 200 A MeV and high momentum transfers of 1.7-2.7 fm-1 as a probe of the nuclear matter density of 6He NUCLEAR REACTIONS 1H(6He, 6He), E=200 MeV/nucleon; measured reaction products; deduced σ(θ). Comparison with available data, relativistic impulse approximation model predictions.
doi: 10.1093/ptep/pty048
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
2018CO07 Phys.Rev. C 97, 044321 (2018) A.Corsi, A.Obertelli, P.Doornenbal, F.Nowacki, H.Sagawa, Y.Tanimura, N.Aoi, H.Baba, P.Bednarczyk, S.Boissinot, M.Ciemala, A.Gillibert, T.Isobe, A.Jungclaus, V.Lapoux, J.Lee, K.Matsui, M.Matsushita, T.Motobayashi, D.Nishimura, S.Ota, E.Pollacco, H.Sakurai, C.Santamaria, Y.Shiga, D.Sohler, D.Steppenbeck, S.Takeuchi, R.Taniuchi, H.Wang Spectroscopy of nuclei around 100Sn populated via two-neutron knockout reactions NUCLEAR REACTIONS 1H, C(104Sn, 2n), E=150 MeV/nucleon; 1H, C(102Cd, 2n), E=144 MeV/nucleon, [secondary 104Sn and 102Cd beams from 9Be(124Xe, X), E=345 MeV/nucleon primary reaction, followed by separation of fragments using BigRIPS separator]; 1H, C(112Sn, 2n), E=170 MeV/nucleon; measured Eγ, Iγ, particles, (particle)γ-coin, two-neutron knockout σ using carbon and CH2 targets, DALI2 array for γ detection and ZeroDegree spectrometer for particles at RIBF-RIKEN facility. 100Cd, 102,110Sn; deduced first and second 2+ levels in 102Sn, first 2+ and 4+ levels in 100Cd, and first three excited states in 110Sn. Comparison with shell-model calculations, and with previous measurements. Systematics of energies of first and second 2+ states in 102Sn to 120Sn isotopes.
doi: 10.1103/PhysRevC.97.044321
2018CO12 Phys.Rev. C 98, 044618 (2018) N.Cooper, C.W.Beausang, P.Humby, A.Simon, J.T.Burke, R.O.Hughes, S.Ota, C.Reingold, A.Saastamoinen, E.Wilson Entry-level spin distributions and relative γ-neutron branching ratios of samarium isotopes populated by the (p, t) reaction NUCLEAR REACTIONS 150,152,154Sm(p, t), E=25 MeV; measured Eγ, Iγ, γ(θ), E(t), I(t), angular distribution of tritons, and tγ-coin using the Hyperion detector array consisting of STARS array of Si detectors for triton detection and 13 HPGe clovers for γ detection using enriched targets at the K150 cyclotron facility of Texas A and M university. 148,150,152Sm; deduced relative intensities of γ rays from low-lying levels, entry-level spin distributions, and relative average branching ratios for γ-rays above S(n). Comparison with calculated simulated γ spectra from natural-parity levels using DICEBOX and MCγ codes, and probability densities of entry level spins by modeling (p, t) reaction using PTCRUISER code.
doi: 10.1103/PhysRevC.98.044618
2018CU02 Phys.Rev. C 97, 054327 (2018) J.G.Cubiss, A.E.Barzakh, M.D.Seliverstov, A.N.Andreyev, B.Andel, S.Antalic, P.Ascher, D.Atanasov, D.Beck, J.Bieron, K.Blaum, Ch.Borgmann, M.Breitenfeldt, L.Capponi, T.E.Cocolios, T.Day Goodacre, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, S.Fritzsche, L.P.Gaffney, S.George, L.Ghys, F.P.Hessberger, M.Huyse, N.Imai, Z.Kalaninova, D.Kisler, U.Koster, M.Kowalska, S.Kreim, J.F.W.Lane, V.Liberati, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, S.Mitsuoka, P.L.Molkanov, Y.Nagame, D.Neidherr, K.Nishio, S.Ota, D.Pauwels, L.Popescu, D.Radulov, E.Rapisarda, J.P.Revill, M.Rosenbusch, R.E.Rossel, S.Rothe, K.Sandhu, L.Schweikhard, S.Sels, V.L.Truesdale, C.Van Beveren, P.Van den Bergh, Y.Wakabayashi, P.Van Duppen, K.D.A.Wendt, F.Wienholtz, B.W.Whitmore, G.L.Wilson, R.N.Wolf, K.Zuber Charge radii and electromagnetic moments of 195-211At NUCLEAR MOMENTS 195,195m,196,197,197m,198,198m,199,199m,200,200m,201,202,202m,203,204,205,206,207,208,209,210,211At; measured hfs spectra, hyperfine coupling constants, isotope shifts, and rms charge radii using the in-source resonance-ionization spectroscopy method, and Multi-Reflection Time-of-Flight Mass Spectrometer (MR-TOF MS) at CERN-ISOLDE; deduced magnetic dipole moments and spectroscopic quadrupole moments, configurations, and quadrupole deformation parameters. 206At; deduced J. Detailed systematics of magnetic dipole moments, spectroscopic quadrupole moments, deformations, and rms charge radii in Hg, Tl, Pb, Bi, Po, At, Fr, Ra and Ac nuclei. Comparison with theoretical calculations using multiconfiguration Dirac-Hartree-Fock (MCDHF) method. NUCLEAR REACTIONS U(p, X)195At/195mAt/196At/197At/197mAt/198At/198mAt/199At/199mAt/200At/200m1At/200m2At/201At/202At/202mAt/203At/204At/205At/206At/207At/208At/209At/210At/211At, E=1.4 GeV; produced radioactive astatine isotopes by spallation reaction with beam from CERN PS Booster impinging on a thick UCx target, followed by injection into a hot cavity of the Resonance Ionization Laser Ion Source (RILIS), and ionization by a three-step photoionization scheme.
doi: 10.1103/PhysRevC.97.054327
2018ES05 Phys.Rev.Lett. 121, 052501 (2018) J.E.Escher, J.T.Burke, R.O.Hughes, N.D.Scielzo, R.J.Casperson, S.Ota, H.I.Park, A.Saastamoinen, T.J.Ross Constraining Neutron Capture Cross Sections for Unstable Nuclei with Surrogate Reaction Data and Theory NUCLEAR REACTIONS 87Y(n, γ), E<10 MeV; analyzed available data; deduced σ using surrogate reaction data. Comparison with TENDL 2015 and ROSFOND 2010 libraries. 89Y, 92Zr(p, d), E*=6-12 MeV; calculated σ(E, θ), probability of observing specific γ-ray in coincidence with outgoing deuteron; compared with available data.
doi: 10.1103/PhysRevLett.121.052501
2018KA11 Phys.Rev. C 97, 015802 (2018) D.Kahl, H.Yamaguchi, S.Kubono, A.A.Chen, A.Parikh, D.N.Binh, J.Chen, S.Cherubini, N.N.Duy, T.Hashimoto, S.Hayakawa, N.Iwasa, H.S.Jung, S.Kato, Y.K.Kwon, S.Nishimura, S.Ota, K.Setoodehnia, T.Teranishi, H.Tokieda, T.Yamada, C.C.Yun, L.Y.Zhang First measurement of 30S + α resonant elastic scattering for the 30S(α, p) reaction rate NUCLEAR REACTIONS 4H(30S, α), E(cm)=1.9-5.5 MeV, [30S secondary beam from 3He(28Si, 30S), E=7.3 MeV/nucleon]; measured Eα, Iα, differential σ(E) using an array of silicon strip detectors (SSDs), and parallel plate avalanche counters (PPACs) for monitoring the 30S beam, ΔE-E plot for light ion particle using the CNS Radioactive Ion Beam separator (CRIB) facility, University of Tokyo, and RIKEN. 34Ar; deduced levels above 11 MeV, α-resonances, J, π, α-widths, proton-width. R-matrix analysis. 30s(α, p), T=1-10 GK; deduced stellar reaction rate using new resonance data, and compared with statistical model (SM) calculations from NON-SMOKER code. Astrophysical impact on one-zone postprocessing type I x-ray burst (XRBs) calculations.
doi: 10.1103/PhysRevC.97.015802
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
2018MI08 Phys.Rev.Lett. 121, 022506 (2018) S.Michimasa, M.Kobayashi, Y.Kiyokawa, S.Ota, D.S.Ahn, H.Baba, G.P.A.Berg, M.Dozono, N.Fukuda, T.Furuno, E.Ideguchi, N.Inabe, T.Kawabata, S.Kawase, K.Kisamori, K.Kobayashi, T.Kubo, Y.Kubota, C.S.Lee, M.Matsushita, H.Miya, A.Mizukami, H.Nagakura, D.Nishimura, H.Oikawa, H.Sakai, Y.Shimizu, A.Stolz, H.Suzuki, M.Takaki, H.Takeda, S.Takeuchi, H.Tokieda, T.Uesaka, K.Yako, Y.Yamaguchi, Y.Yanagisawa, R.Yokoyama, K.Yoshida, S.Shimoura Magic Nature of Neutrons in Ca54 : First Mass Measurements of 55-57Ca ATOMIC MASSES 55,56,57Ca, 48Ar, 44,46Cl, 40,42P, 40Si; measured charge, TOF, magnetic rigidity, and flight path length between the timing detectors; deduced m/q spectrum of reference masses, mass excesses. Comparison with AME2016 evaluation.
doi: 10.1103/PhysRevLett.121.022506
2018NO05 Phys.Rev.Lett. 120, 172501 (2018) S.Noji, H.Sakai, N.Aoi, H.Baba, G.P.A.Berg, P.Doornenbal, M.Dozono, N.Fukuda, N.Inabe, D.Kameda, T.Kawabata, S.Kawase, Y.Kikuchi, K.Kisamori, T.Kubo, Y.Maeda, H.Matsubara, S.Michimasa, K.Miki, H.Miya, H.Miyasako, S.Sakaguchi, Y.Sasamoto, S.Shimoura, M.Takaki, H.Takeda, S.Takeuchi, H.Tokieda, T.Ohnishi, S.Ota, T.Uesaka, H.Wang, K.Yako, Y.Yanagisawa, N.Yokota, K.Yoshida, R.G.T.Zegers Excitation of the Isovector Spin Monopole Resonance via the Exothermic 90Zr(12N, 12C) Reaction at 175 MeV/υ NUCLEAR REACTIONS 90Zr(12N, 12C), E=175 MeV/nucleon; measured reaction products, Eγ, Iγ. 90Zr; deduced σ(θ, E), Gamow-Teller and isobaric analog transitions, isovector spin giant monopole resonance (IVSMR).
doi: 10.1103/PhysRevLett.120.172501
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
2017BA42 Phys.Rev. C 96, 055806 (2017) D.W.Bardayan, K.A.Chipps, S.Ahn, J.C.Blackmon, S.Carmichael, U.Greife, K.L.Jones, J.Jose, A.Kontos, R.L.Kozub, L.Linhardt, B.Manning, M.Matos, P.D.O'Malley, S.Ota, S.D.Pain, W.A.Peters, S.T.Pittman, A.Sachs, K.T.Schmitt, M.S.Smith, P.Thompson Spectroscopic study of 20Ne+p reactions using the JENSA gas-jet target to constrain the astrophysical 18F (p, α)15O rate NUCLEAR REACTIONS 20Ne(p, d), (p, 3He), E=30 MeV; measured E(d), I(d), 3He spectrum, particle identification spectrum, σ(θ) using SIDAR silicon detector array, and JENSA natural Ne gas target at Holifield Radioactive Ion Beam Facility (HRIBF). DWBA analysis using optical model parameters. 19Ne, 18F; deduced levels, and compared with previous experimental results. 18F(p, α)15O; deduced coefficients to parametrize the astrophysical reaction rates.
doi: 10.1103/PhysRevC.96.055806
2017HI03 Nucl.Instrum.Methods Phys.Res. A856, 133 (2017) K.Hirose, K.Nishio, H.Makii, I.Nishinaka, S.Ota, T.Nagayama, N.Tamura, S.Goto, A.N.Andreyev, M.J.Vermeulen, S.Gillespie, C.Barton, A.Kimura, H.Harada, S.Meigo, S.Chiba, T.Ohtsuki Simultaneous measurement of neutron-induced fission and capture cross sections for 241Am at neutron energies below fission threshold NUCLEAR REACTIONS 241Am(n, F), (n, γ), E<20 eV; measured reaction products, En, In, Eγ, Iγ; deduced σ, resonances. Comparison with JENDL-4.0, JEFF evaluated nuclear data libraries.
doi: 10.1016/j.nima.2016.12.021
2017MU04 Phys.Rev. C 95, 015805 (2017) J.M.Munson, E.B.Norman, J.T.Burke, R.J.Casperson, L.W.Phair, E.McCleskey, M.McCleskey, D.Lee, R.O.Hughes, S.Ota, A.Czeszumska, P.A.Chodash, A.J.Saastamoinen, R.A.E.Austin, A.E.Spiridon, M.Dag, R.Chyzh, M.S.Basunia, J.J.Ressler, T.J.Ross Decay branching ratios of excited 24Mg NUCLEAR REACTIONS 24Mg(α, α'), E=40 MeV; measured decay products identified by outgoing α particles, protons and γ rays from the resulting 20Ne, 23Na, and 23Mg daughters, (particle)(particle)-coin, αγ-coin using the STARLiTeR detector array at Texas A and M K150 cyclotron facility; deduced branching ratios for α-, proton- and neutron-emitting channels from the decay of unbound states in 24Mg. Possible surrogate reaction for 12C(12C, α)20Ne, 12C(12C, p)23Na, 12C(12C, n)23Mg reactions of astrophysical interest. 20Ne, 23Na, 23Mg; deduced levels populated by the decay of excited states of 24Mg.
doi: 10.1103/PhysRevC.95.015805
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
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
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
2016FA10 Phys.Rev. C 94, 044621 (2016) D.Q.Fang, Y.G.Ma, X.Y.Sun, P.Zhou, Y.Togano, N.Aoi, H.Baba, X.Z.Cai, X.G.Cao, J.G.Chen, Y.Fu, W.Guo, Y.Hara, T.Honda, Z.G.Hu, K.Ieki, Y.Ishibashi, Y.Ito, N.Iwasa, S.Kanno, T.Kawabata, H.Kimura, Y.Kondo, K.Kurita, M.Kurokawa, T.Moriguchi, H.Murakami, H.Ooishi, K.Okada, S.Ota, A.Ozawa, H.Sakurai, S.Shimoura, R.Shioda, E.Takeshita, S.Takeuchi, W.D.Tian, H.W.Wang, J.S.Wang, M.Wang, K.Yamada, Y.Yamada, Y.Yasuda, K.Yoneda, G.Q.Zhang, T.Motobayashi Proton-proton correlations in distinguishing the two-proton emission mechanism of 23Al and 22Mg NUCLEAR REACTIONS 12C(23Al, 2pX), (23Al, 2p21Na), (23Al, 2p20Ne), E=57.4 MeV/nucleon; 12C(22Mg, 2pX), (22Mg, 2p20Ne), E=53.5 MeV/nucleon, [secondary 22Mg and 23Al beams from 12C(28Si, X), E=135 MeV/nucleon primary reaction]; measured fragments and protons using ΔE-E detectors at RIBF-RIKEN facility; deduced proton-proton momentum correlation function for decays into p+p+X, p+p+20Na, and p+p+21Na channels, effective source sizes from calculations using the CRAB code with a Gaussian source, mechanism of two-proton emission.
doi: 10.1103/PhysRevC.94.044621
2016HU02 Phys.Rev. C 93, 024315 (2016) R.O.Hughes, J.T.Burke, R.J.Casperson, J.E.Escher, S.Ota, J.J.Ressler, N.D.Scielzo, R.A.E.Austin, B.Abromeit, N.J.Foley, E.McCleskey, M.McCleskey, H.I.Park, T.J.Ross, A.Saastamoinen Investigation of 88Y via (p, dγ) reactions NUCLEAR REACTIONS 89Y(p, d), E=28.5 MeV; measured E(d), I(d), Eγ, Iγ, dγ-, dγγ-coin, dγ(t) using STARLiTeR array of Si detectors for deuteron detection and five HPGe clover detectors for γ rays at Texas A and M Cyclotron Institute. 88Y; deduced levels, J, π, level population intensities. Discussed effect of γ-branching ratios in 88Y on determination of 87Y(n, γ) cross section via surrogate method.
doi: 10.1103/PhysRevC.93.024315
2016HU22 Phys.Rev. C 94, 064314 (2016) P.Humby, A.Simon, C.W.Beausang, J.M.Allmond, J.T.Burke, R.J.Casperson, R.Chyzh, M.Dag, K.Gell, R.O.Hughes, J.Koglin, E.McCleskey, M.McCleskey, S.Ota, T.J.Ross, A.Saastamoinen, T.Tarlow, G.Vyas Investigation of discrete states and quasidiscrete structures observed in 150Sm and 152Sm using the (p, tγ) reaction NUCLEAR REACTIONS 152,154Sm(p, t), E=25 MeV; measured triton spectra, Eγ, Iγ, (triton)γ-, (triton)γγ-coin, σ(θ), angular distribution of peak-like structure (PLS) using the STARLiTeR array at Texas A and M cyclotron facility. Enriched targets. 150,152Sm; deduced levels, J, π, L-transfers. DWBA analysis of σ(θ) data. Comparison with evaluated data taken from the ENSDF database.
doi: 10.1103/PhysRevC.94.064314
2016KI01 Phys.Rev.Lett. 116, 052501 (2016) K.Kisamori, S.Shimoura, H.Miya, S.Michimasa, S.Ota, M.Assie, H.Baba, T.Baba, D.Beaumel, M.Dozono, T.Fujii, N.Fukuda, S.Go, F.Hammache, E.Ideguchi, N.Inabe, M.Itoh, D.Kameda, S.Kawase, T.Kawabata, M.Kobayashi, Y.Kondo, T.Kubo, Y.Kubota, M.Kurata-Nishimura, C.S.Lee, Y.Maeda, H.Matsubara, K.Miki, T.Nishi, S.Noji, S.Sakaguchi, H.Sakai, Y.Sasamoto, M.Sasano, H.Sato, Y.Shimizu, A.Stolz, H.Suzuki, M.Takaki, H.Takeda, S.Takeuchi, A.Tamii, L.Tang, H.Tokieda, M.Tsumura, T.Uesaka, K.Yako, Y.Yanagisawa, R.Yokoyama, K.Yoshida Candidate Resonant Tetraneutron State Populated by the 4He(8He, 8Be) Reaction NUCLEAR REACTIONS 4He(8He, 8Be), E=186 MeV/nucleon; measured missing-mass spectrum; deduced the tetraneutron system energy of the state with uncertainties, Q-value.
doi: 10.1103/PhysRevLett.116.052501
2016SI07 Phys.Rev. C 93, 034303 (2016) A.Simon, M.Guttormsen, A.C.Larsen, C.W.Beausang, P.Humby, J.T.Burke, R.J.Casperson, R.O.Hughes, T.J.Ross, J.M.Allmond, R.Chyzh, M.Dag, J.Koglin, E.McCleskey, M.McCleskey, S.Ota, A.Saastamoinen First observation of low-energy γ-ray enhancement in the rare-earth region NUCLEAR REACTIONS 152,154Sm(p, dγ), E=25 MeV; measured reaction products, Eγ, Iγ, (particle)γ-coin, γ(θ) using STARLiTeR setup for charged-particles, and Ge clover detectors with Compton suppressors for γ rays at K-150 cyclotron at Texas A and M; deduced level density (LD) and γ-ray strength function (γSF) using OSLO method, multipolarity, enhanced low-energy γ-ray strength for rare-earth nuclei, coexistence with the scissors resonance. Comparison with Hauser-Feshbach calculations. Calculated ratios of Maxwellian-averaged (n, γ) reaction rates at T9=0.15 and 1.5 for A=145-202 Sm isotopes.
doi: 10.1103/PhysRevC.93.034303
2016TR07 Phys.Rev. C 94, 034308 (2016) V.L.Truesdale, A.N.Andreyev, L.Ghys, M.Huyse, P.Van Duppen, S.Sels, B.Andel, S.Antalic, A.Barzakh, L.Capponi, T.E.Cocolios, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, F.P.Hessberger, Z.Kalaninova, U.Koster, J.F.W.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, S.Mitsuoka, Y.Nagame, K.Nishio, S.Ota, D.Pauwels, L.Popescu, D.Radulov, E.Rapisarda, S.Rothe, K.Sandhu, M.D.Seliverstov, A.M.Sjodin, C.Van Beveren, P.Van den Bergh, Y.Wakabayashi β-delayed fission and α decay of 196At RADIOACTIVITY 196At, 196Po(α); 196At(EC), (β+), (β+F), [high purity 196At beam from U(p, X), E=1.4 GeV using HRS and GPS separators with RILIS at ISOLDE-CERN facility]; measured Eα, Iα, Eγ, Iγ, αγ-coin, fission-fragment energies, (fission fragment)(fission fragment)-coin, half-lives of decays of 196At and 196Po; deduced α- and β-decay and β-delayed fission branching ratios of 196At, reduced α-decay widths, symmetric and asymmetric fission-fragment mass distributions of the daughter isotope 196Po. 192Bi; deduced levels, J, π, conversion coefficients, multipolarities, mixing ratio, configurations. Comparison with previous experimental values. 192Bi, 199,200,201At, 202Rn; observed α from daughter activity 192Bi and other contaminants.
doi: 10.1103/PhysRevC.94.034308
2015BA51 Phys.Lett. B 751, 311 (2015) D.W.Bardayan, K.A.Chipps, S.Ahn, J.C.Blackmon, R.J.deBoer, U.Greife, K.L.Jones, A.Kontos, R.L.Kozub, L.Linhardt, B.Manning, M.Matos, P.D.O'Malley, S.Ota, S.D.Pain, W.A.Peters, S.T.Pittman, A.Sachs, K.T.Schmitt, M.S.Smith, P.Thompson The first science result with the JENSA gas-jet target: Confirmation and study of a strong subthreshold 18F(p, α)15O resonance NUCLEAR REACTIONS 20Ne(p, d), E=30 MeV; measured reaction products; deduced deuteron σ(θ), excitation energies, resonance J. Distorted-wave Born approximation (DWBA) calculations using the computer code TWOFNR7. NUCLEAR REACTIONS 18F(p, α), E(cm)<1 MeV; calculated astrophysical reaction rate, S-factor with the R-matrix code AZURE2.
doi: 10.1016/j.physletb.2015.10.073
2015CO03 Phys.Lett. B 743, 451 (2015) A.Corsi, S.Boissinot, A.Obertelli, P.Doornenbal, M.Dupuis, F.Lechaftois, M.Matsushita, S.Peru, S.Takeuchi, H.Wang, N.Aoi, H.Baba, P.Bednarczyk, M.Ciemala, A.Gillibert, T.Isobe, A.Jungclaus, V.Lapoux, J.Lee, M.Martini, K.Matsui, T.Motobayashi, D.Nishimura, S.Ota, E.Pollacco, H.Sakurai, C.Santamaria, Y.Shiga, D.Sohler, D.Steppenbeck, R.Taniuchi Neutron-driven collectivity in light tin isotopes: Proton inelastic scattering from 104Sn NUCLEAR REACTIONS 1H(104Sn, 104Sn'), E=150 MeV/nucleon; measured reaction products, Eγ, Iγ. 104Sn; deduced σ(θ), energy levels, J, π. QRPA with the D1M Gogny interaction calculations.
doi: 10.1016/j.physletb.2015.03.018
2015HU02 Phys.Rev. C 91, 024322 (2015) P.Humby, A.Simon, C.W.Beausang, T.J.Ross, R.O.Hughes, J.T.Burke, R.J.Casperson, J.Koglin, S.Ota, J.M.Allmond, M.McCleskey, E.McCleskey, A.Saastamoinen, R.Chyzh, M.Dag, K.Gell, T.Tarlow, G.Vyas Improved measurement of the half-life of the Jπ = 8- nuclear isomer 152m2Eu NUCLEAR REACTIONS 154Sm(p, 3n)152mEu, E=25 MeV; measured Eγ, Iγ, delayed γ, half-lives of 0- and 8- isomers in 152Eu by γ(t) using STARS array for particle detection and LiTer array for γ detection at the Texas A and M, K-150 cyclotron facility. Comparison with earlier experimental results. RADIOACTIVITY 152Eu(β-), (EC)[from 154Sm(p, 3n), E=25 MeV]; measured Eγ, Iγ, half-life of the 0- isomer in 152Eu. Comparison with earlier experimental results.
doi: 10.1103/PhysRevC.91.024322
2015MA19 Phys.Lett. B 743, 306 (2015) Y.G.Ma, D.Q.Fang, X.Y.Sun, P.Zhou, Y.Togano, N.Aoi, H.Baba, X.Z.Cai, X.G.Cao, J.G.Chen, Y.Fu, W.Guo, Y.Hara, T.Honda, Z.G.Hu, K.Ieki, Y.Ishibashi, Y.Ito, N.Iwasa, S.Kanno, T.Kawabata, H.Kimura, Y.Kondo, K.Kurita, M.Kurokawa, T.Moriguchi, H.Murakami, H.Ooishi, K.Okada, S.Ota, A.Ozawa, H.Sakurai, S.Shimoura, R.Shioda, E.Takeshita, S.Takeuchi, W.D.Tian, H.W.Wang, J.S.Wang, M.Wang, K.Yamada, Y.Yamada, Y.Yasuda, K.Yoneda, G.Q.Zhang, T.Motobayashi Different mechanism of two-proton emission from proton-rich nuclei 23Al and 22Mg RADIOACTIVITY 23Al, 22Mg(2p) [from 9Be(28Si, X), E=135 MeV/nucleon]; measured decay products, Ep, Ip; deduced two-proton relative momentum and opening angle from the decay. Comparison with available data.
doi: 10.1016/j.physletb.2015.02.066
2015OT02 Phys.Rev. C 92, 054603 (2015) S.Ota, J.T.Burke, R.J.Casperson, J.E.Escher, R.O.Hughes, J.J.Ressler, N.D.Scielzo, I.J.Thompson, R.A.E.Austin, B.Abromeit, N.J.Foley, E.McCleskey, M.McCleskey, H.I.Park, A.Saastamoinen, T.J.Ross Spin differences in the 90Zr compound nucleus induced by (p, p'), (p, d), and (p, t) surrogate reactions NUCLEAR REACTIONS 90Zr(p, p'), (p, np), 91Zr(p, d), 92Zr(p, t), E=28.56 MeV; measured light-ion particle spectra, angular distributions, Eγ, Iγ, (particle)γ-coin, using STARLiTeR detector system at Texas A and M cyclotron facility; deduced γ-decay probabilities as functions of 90Zr excitation energy, angular momentum, and particle scattering angle. Enriched targets. 89,90Zr; deduced levels, J, π. 89Zr(n, γ); discussed relevance to determination of σ by surrogate reaction approach.
doi: 10.1103/PhysRevC.92.054603
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
2014CR02 Phys.Rev. C 89, 041303 (2014) H.L.Crawford, P.Fallon, A.O.Macchiavelli, R.M.Clark, B.A.Brown, J.A.Tostevin, D.Bazin, N.Aoi, P.Doornenbal, M.Matsushita, H.Scheit, D.Steppenbeck, S.Takeuchi, H.Baba, C.M.Campbell, M.Cromaz, E.Ideguchi, N.Kobayashi, Y.Kondo, G.Lee, I.Y.Lee, J.Lee, K.Li, S.Michimasa, T.Motobayashi, T.Nakamura, S.Ota, S.Paschalis, M.Petri, T.Sako, H.Sakurai, S.Shimoura, M.Takechi, Y.Togano, H.Wang, K.Yoneda Shell and shape evolution at N = 28: The 40Mg ground state NUCLEAR REACTIONS C(42Si, 40Mg), [42Si secondary beam from 9Be(48Ca, X), E=345 MeV/nucleon], E=238 MeV/nucleon; measured reaction products, inclusive σ for the production of 40Mg through two-proton knockout using BigRIPS and ZDS spectrometers at RIBF-RIKEN facility. 40Mg; deduced σ for ground state; calculated levels, J, π, σ, probabilities of the prolate contributions in 42Si and 40Mg ground-state wave functions using SDPF-MU and SDPFU-Si shell-models with eikonal reaction theory.
doi: 10.1103/PhysRevC.89.041303
2014DO19 Phys.Rev. C 90, 061302 (2014) P.Doornenbal, S.Takeuchi, N.Aoi, M.Matsushita, A.Obertelli, D.Steppenbeck, H.Wang, L.Audirac, H.Baba, P.Bednarczyk, S.Boissinot, M.Ciemala, A.Corsi, T.Furumoto, T.Isobe, A.Jungclaus, V.Lapoux, J.Lee, K.Matsui, T.Motobayashi, D.Nishimura, S.Ota, E.C.Pollacco, H.Sakurai, C.Santamaria, Y.Shiga, D.Sohler, R.Taniuchi Intermediate-energy Coulomb excitation of 104Sn: Moderate E2 strength decrease approaching 100Sn NUCLEAR REACTIONS C, Pb(104Sn, 104Sn'), E=131 MeV/nucleon; C, Pb(112Sn, 112Sn'), E=154 MeV/nucleon, [secondary 104,112Sn beams from 9Be(124Xe, X), E=345 MeV/nucleon primary reaction]; measured Eγ, Iγ, scattered 104,112Sn spectra, σ(θ) for particles, inelastic cross sections for population of first 2+ states through intermediate-energy Coulomb excitation using DALI2 array for γ rays, BigRIPS and ZeroDegree spectrometers for reaction products at RIKEN facility. 104Sn; deduced levels, J, π, B(E2) for first 2+ state relative to that for 112Sn. Comparison with shell-model calculations, and with previous experimental results. Systematics of experimental and theoretical B(E2) values for first 2+ states in A=104-130 even-A Sn isotopes.
doi: 10.1103/PhysRevC.90.061302
2014GH09 Phys.Rev. C 90, 041301 (2014) L.Ghys, A.N.Andreyev, M.Huyse, P.Van Duppen, S.Sels, B.Andel, S.Antalic, A.Barzakh, L.Capponi, T.E.Cocolios, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, F.P.Hessberger, Z.Kalaninova, U.Koster, J.F.W.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, S.Mitsuoka, P.Moller, Y.Nagame, K.Nishio, S.Ota, D.Pauwels, R.D.Page, L.Popescu, D.Radulov, M.M.Rajabali, J.Randrup, E.Rapisarda, S.Rothe, K.Sandhu, M.D.Seliverstov, A.M.Sjodin, V.L.Truesdale, C.Van Beveren, P.Van den Bergh, Y.Wakabayashi, M.Warda Evolution of fission-fragment mass distributions in the neutron-deficient lead region RADIOACTIVITY 194,196At, 200,202Fr(β+F)[from U(p, X), E=1.4 GeV at CERN-ISOLDE using HRS and GPS separators]; measured mass and energy distributions of coincident fission fragments after β-delayed fission, ratio of α to β-delayed-fission decays, total kinetic energy. 196At, 200Fr; deduced β-delayed fission decay probabilities, new region of multimodal fission in the neutron-deficient lead region. 196Po; Calculated potential energy surface contour. Comparison with Finite-range liquid-drop (FRLDM) and Hartree-Fock-Bogoliubov (HFB) model calculations. Comparison with experimental results for β-delayed fission of 180Tl.
doi: 10.1103/PhysRevC.90.041301
2014MA62 Nucl.Data Sheets 119, 361 (2014) H.Makii, S.Ota, T.Ishii, K.Nishio, I.Nishinaka, K.Furutaka, Y.Wakabayashi, S.Chiba, M.Igashira Development of Anti-Compton LaBr3(Ce) Spectrometer for Measurement of Surrogate Reactions NUCLEAR REACTIONS 27Al(p, γ), E=992, 2046 keV; measured Eγ, Iγ. 155,157Gd(18O, 16O), E*=3-14 MeV; measured Eγ, Iγ, (16O)γ-coin. LaBr3(Ce) spectrometer. 7
doi: 10.1016/j.nds.2014.08.099
2014MA72 Few-Body Systems 55, 729 (2014) Y.Maeda, T.Saito, H.Miyasako, T.Uesaka, S.Ota, S.Kawase, T.Kikuchi, H.Tokieda, T.Kawabata, K.Yako, T.Wakasa, S.Sakaguchi, R.Chen, H.Sakaguchi, T.Shima, T.Suzuki, A.Tamii Measurement of the 2H(p, n) Breakup Reaction at 170 MeV and the Three-Nucleon Force Effects NUCLEAR REACTIONS 2H(p, 2p), E=170 MeV; measured reaction products, Ep, Ip; deduced σ(θ, E), analyzing powers. Comparison with available data.
doi: 10.1007/s00601-014-0868-5
2013AU02 Phys.Rev. C 88, 041602 (2013) L.Audirac, A.Obertelli, P.Doornenbal, D.Mancusi, S.Takeuchi, N.Aoi, H.Baba, S.Boissinot, A.Boudard, A.Corsi, A.Gillibert, T.Isobe, A.Jungclaus, V.Lapoux, J.Lee, S.Leray, K.Matsui, M.Matsushita, T.Motobayashi, D.Nishimura, S.Ota, E.C.Pollacco, G.Potel, H.Sakurai, C.Santamaria, Y.Shiga, D.Sohler, D.Steppenbeck, R.Taniuchi, H.Wang Evaporation-cost dependence in heavy-ion fragmentation NUCLEAR REACTIONS 1H, 12C(104Sn, X)100Sn/101Sn/102Sn/103Sn/104Sn, E=155 MeV/nucleon; 1H, 12C(112Sn, X)105Sn/106Sn/107Sn/108Sn/109Sn/110Sn/111Sn/112Sn/, E=173 MeV/nucleon, [secondary 104,112Sn beams from 9Be(124Xe, X) primary reaction]; measured particle spectra, TOF, σ for multi-nucleon removal using BigRIPS and ZDS spectrometers at RIBF-RIKEN facility. Comparison with previous experimental data, and with cascade and deexcitation model (INCL-ABLA) calculations.
doi: 10.1103/PhysRevC.88.041602
2013SU20 Phys.Rev. C 88, 024326 (2013) H.Suzuki, N.Aoi, E.Takeshita, S.Takeuchi, S.Ota, H.Baba, S.Bishop, T.Fukui, Y.Hashimoto, E.Ideguchi, K.Ieki, N.Imai, M.Ishihara, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, K.Kurita, K.Kusaka, T.Minemura, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, M.Niikura, T.Okumura, T.K.Ohnishi, H.J.Ong, H.Sakurai, S.Shimoura, R.Sugo, D.Suzuki, M.K.Suzuki, M.Tamaki, K.Tanaka, Y.Togano, K.Yamada Collectivity of neutron-rich Ti isotopes NUCLEAR REACTIONS 1H(58Ti, 58Ti'), [secondary 58Ti beam from Be(70Zn, X), E=63 MeV/nucleon primary reaction], E=42.0 MeV/nucleon; measured particle spectra, time-of-flight, Eγ, Iγ, (particle)γ-, γγ-coin, angle-integrated σ using RIPS separator and DALI2 array of NaI(Tl) detectors at RIBF, RIKEN facility. 58Ti; deduced levels, J, π, deformation length of first 2+ state, collectivity. Systematics of energies and deformation lengths of first 2+ states in A=44-62 Ti, Fe and Cr isotopes, comparison with shell-model calculations.
doi: 10.1103/PhysRevC.88.024326
2012ID06 Prog.Theor.Phys.(Kyoto), Suppl. 196, 427 (2012) E.Ideguchi, S.Ota, T.Morikawa, M.Oshima, M.Koizumi, Y.Toh, A.Kimura, H.Harada, K.Furutaka, S.Nakamura, F.Kitatani, Y.Hatsukawa, T.Shizuma, M.Sugawara, Y.X.Watanabe, Y.Hirayama, M.Oi Superdeformed Band in Asymmetric N > Z Nucleus, 40Ar and High-Spin States in A = 30 ∼ 40 Nuclei NUCLEAR REACTIONS 37Cl(α, pγ)40Ar, E not given; 26Mg(18O, 2n2p)40Ar, E=70 MeV; analyzed experimental data; calculated excitation energy and pairing gap, angular momentum, moment of inertia, structure of superdeformed band. HFB calculations, comparison with experimental data.
doi: 10.1143/PTPS.196.427
2012MI16 Phys.Rev.Lett. 108, 262503 (2012) K.Miki, H.Sakai, T.Uesaka, H.Baba, C.L.Bai, G.P.A.Berg, N.Fukuda, D.Kameda, T.Kawabata, S.Kawase, T.Kubo, S.Michimasa, H.Miya, S.Noji, T.Ohnishi, S.Ota, A.Saito, Y.Sasamoto, H.Sagawa, M.Sasano, S.Shimoura, H.Takeda, H.Tokieda, K.Yako, Y.Yanagisawa, R.G.T.Zegers Identification of the β+ Isovector Spin Monopole Resonance via the 208Pb and 90Zr(t, 3He) Reactions at 300 MeV/u NUCLEAR REACTIONS 208Pb, 90Zr(t, 3He), E=300 MeV/nucleon. 208Tl, 90Y; measured reaction products; deduced σ(E, θ), isovector spin monopole resonance. Distorted-wave Born approximation calculation, comparison with available data.
doi: 10.1103/PhysRevLett.108.262503
2012TA20 Phys.Rev.Lett. 109, 182501 (2012) S.Takeuchi, M.Matsushita, N.Aoi, P.Doornenbal, K.Li, T.Motobayashi, H.Scheit, D.Steppenbeck, H.Wang, H.Baba, D.Bazin, L.Caceres, H.Crawford, P.Fallon, R.Gernhauser, J.Gibelin, S.Go, S.Grevy, C.Hinke, C.R.Hoffman, R.Hughes, E.Ideguchi, D.Jenkins, N.Kobayashi, Y.Kondo, R.Krucken, T.Le Bleis, J.Lee, G.Lee, A.Matta, S.Michimasa, T.Nakamura, S.Ota, M.Petri, T.Sako, H.Sakurai, S.Shimoura, K.Steiger, K.Takahashi, M.Takechi, Y.Togano, R.Winkler, K.Yoneda Well Developed Deformation in 42Si NUCLEAR REACTIONS C(44S, 42Si), (40S, 38Si), E=210 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ coin. 38,40,42Si; deduced energy levels, J, π, rapid deformation development of Si isotopes. Comparison with available data.
doi: 10.1103/PhysRevLett.109.182501
2012TO06 Phys.Rev.Lett. 108, 222501 (2012) Y.Togano, Y.Yamada, N.Iwasa, K.Yamada, T.Motobayashi, N.Aoi, H.Baba, S.Bishop, X.Cai, P.Doornenbal, D.Fang, T.Furukawa, K.Ieki, T.Kawabata, S.Kanno, N.Kobayashi, Y.Kondo, T.Kuboki, N.Kume, K.Kurita, M.Kurokawa, Y.G.Ma, Y.Matsuo, H.Murakami, M.Matsushita, T.Nakamura, K.Okada, S.Ota, Y.Satou, S.Shimoura, R.Shioda, K.N.Tanaka, S.Takeuchi, W.Tian, H.Wang, J.Wang, K.Yoneda Hindered Proton Collectivity in 2816S12: Possible Magic Number at Z=16 NUCLEAR REACTIONS Pb(28S, 28S'), (28Mg, 28Mg') E=53 MeV/nucleon; measured reaction products, Eγ, Iγ. 28S, 28Mg; deduced level energy, σ(θ), B(E2), deformation parameters. Comparison with available data, 36Ar secondary beams.
doi: 10.1103/PhysRevLett.108.222501
2011MI22 J.Phys.:Conf.Ser. 312, 092040 (2011) K.Miki, H.Sakai, T.Uesaka, H.Baba, G.P.A.Berg, N.Fukuda, D.Kameda, T.Kawabata, S.Kawase, T.Kubo, S.Michimasa, H.Miya, S.Noji, T.Ohnishi, S.Ota, A.Saito, Y.Sasamoto, M.Sasano, S.Shimoura, H.Takeda, H.Tokieda, K.Yako, Y.Yanagisawa, R.G .T.Zegers Measurement of the Isovector Spin Monopole Resonance via the 208Pb, 90Zr(t, 3He) Reactions at 300 MeV/u NUCLEAR REACTIONS 90Zr, 208Pb(t, 3He), E=300 MeV/nucleon; measured E(particle), I(particle, θ=0-30); deduced σ(E, θ).
doi: 10.1088/1742-6596/312/9/092040
2011NI01 Phys.Rev.Lett. 106, 052502 (2011) S.Nishimura, Z.Li, H.Watanabe, K.Yoshinaga, T.Sumikama, T.Tachibana, K.Yamaguchi, M.Kurata-Nishimura, G.Lorusso, Y.Miyashita, A.Odahara, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, J.Chiba, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, T.Nakano, H.Sakurai, H.Scheit, K.Steiger, D.Steppenbeck, K.Sugimoto, H.J.Ong, S.Ota, Zs.Podolyak, S.Takano, A.Takashima, K.Tajiri, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, H.Yamaguchi β-Decay Half-Lives of Very Neutron-Rich Kr to Tc Isotopes on the Boundary of the r-Process Path: An Indication of Fast r-Matter Flow RADIOACTIVITY 97,98,99,100Kr(β-), 97,98,99,100,101,102Rb(β-), 101,102,103,104,105Sr, 103,104,105,106,107,108Y(β-), 108,109,110Zr(β-), 111,112Nb(β-), 112,113,114,115Mo(β-), 116,117Tc(β-) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Ee, Ie; deduced T1/2. Comparison with FRDM+QRPA, KTUY+GT2 model calculations, astrophysical r-process path.
doi: 10.1103/PhysRevLett.106.052502
2011SU11 Phys.Rev.Lett. 106, 202501 (2011) T.Sumikama, K.Yoshinaga, H.Watanabe, S.Nishimura, Y.Miyashita, K.Yamaguchi, K.Sugimoto, J.Chiba, Z.Li, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, G.Lorusso, T.Nakano, M.Kurata-Nishimura, A.Odahara, H.J.Ong, S.Ota, Zs.Podolyak, H.Sakurai, H.Scheit, K.Steiger, D.Steppenbeck, S.Takano, A.Takashima, K.Tajiri, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, H.Yamaguchi Structural Evolution in the Neutron-Rich Nuclei 106Zr and 108Zr RADIOACTIVITY 106,108Zr, 104,105,106Y(β-) [from Be(238U, X), E=345 MeV/nucleon]; measured time correlations, Eγ, Iγ; deduced first 2+ and 4+ states energies, J, π, ground state deformation in 106,108Zr, T1/2 for a new isomer in 108Zr and 106Y. Comparison with 1/E(2+) systematics for Kr, Sr, Zr, Mo, Ru, Pd, Cd, Sn isotopes.
doi: 10.1103/PhysRevLett.106.202501
2011TO08 Phys.Rev. C 84, 035808 (2011) Y.Togano, T.Gomi, T.Motobayashi, Y.Ando, N.Aoi, H.Baba, K.Demichi, Z.Elekes, N.Fukuda, Zs.Fulop, U.Futakami, H.Hasegawa, Y.Higurashi, K.Ieki, N.Imai, M.Ishihara, K.Ishikawa, N.Iwasa, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, S.Kubono, M.Kunibu, K.Kurita, Y.U.Matsuyama, S.Michimasa, T.Minemura, M.Miura, H.Murakami, T.Nakamura, M.Notani, S.Ota, A.Saito, H.Sakurai, M.Serata, S.Shimoura, T.Sugimoto, E.Takeshita, S.Takeuchi, K.Ue, K.Yamada, Y.Yanagisawa, K.Yoneda, A.Yoshida Resonance states in 27P using Coulomb dissociation and their effect on the stellar reaction 26Si(p, γ) 27P NUCLEAR REACTIONS 208Pb(27P, p26Si), E=54.2 MeV/nucleon, [secondary 27P beam from 9Be(36Ar, X), E=115 MeV primary reaction]; measured particle spectra, (26Si)p-coin, cross section, Coulomb dissociation. 27P; deduced levels, resonances, J, π, multipolarity, E2 resonance strengths. Comparison with shell model calculations, and with level structure of 27Mg. 26Si(p, γ)27P; deduced reaction rates of astrophysical interest.
doi: 10.1103/PhysRevC.84.035808
2011TO15 J.Phys.:Conf.Ser. 312, 042025 (2011) Y.Togano, T.Motobayashi, N.Aoi, H.Baba, S.Bishop, X.Cai, P.Doornenbal, D.Fang, T.Furukawa, K.Ieki, N.Iwasa, T.Kawabata, S.Kanno, N.Kobayashi, Y.Kondo, T.Kuboki, N.Kume, K.Kurita, M.Kurokawa, Y.G.Ma, Y.Matsuo, H.Murakami, M.Matsushita, T.Nakamura, K.Okada, S.Ota, Y.Satou, S.Shimoura, R.Shioda, K.N.Tanaka, S.Takeuchi, W.Tian, H.Wang, J.Wang, K.Yamada, Y.Yamada, K.Yoneda Experimental Investigation of the Stellar Reaction 30S(p, γ)31Cl via Coulomb Dissociation NUCLEAR REACTIONS 208Pb(31Cl, p30S), E=58 MeV/nucleon; measured Coulomb excitation dissociation E(products), I(θ, products), Eγ, Iγ, (Cl)γ-coin; deduced Doppler-corrected γ spectrum, 31Cl dissociation spectrum.
doi: 10.1088/1742-6596/312/4/042025
2011WA03 Phys.Lett. B 696, 186 (2011) H.Watanabe, T.Sumikama, S.Nishimura, K.Yoshinaga, Z.Li, Y.Miyashita, K.Yamaguchi, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, J.Chiba, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, G.Lorusso, T.Nakano, M.Kurata-Nishimura, A.Odahara, H.J.Ong, S.Ota, Zs.Podolyak, H.Sakurai, H.Scheit, Y.Shi, K.Steiger, D.Steppenbeck, K.Sugimoto, K.Tajiri, S.Takano, A.Takashima, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, F.R.Xu, H.Yamaguchi Low-lying level structure of the neutron-rich nucleus 109Nb: A possible oblate-shape isomer NUCLEAR REACTIONS Be(238U, X)109Nb/109Zr, E=345 MeV/nucleon; measured fission fragments, Eγ, Iγ, β-γ-coin.; deduced level scheme, J, π, T1/2 for isomeric state in 109Nb, B(E1), B(M1), B(E2), B(M2), low-lying oblate-deformed states. Nilsson diagrams, calculation of potential energy surfaces.
doi: 10.1016/j.physletb.2010.12.028
2011WA26 Phys.Lett. B 704, 270 (2011) H.Watanabe, K.Yamaguchi, A.Odahara, T.Sumikama, S.Nishimura, K.Yoshinaga, Z.Li, Y.Miyashita, K.Sato, L.Prochniak, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, J.Chiba, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, N.Hinohara, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, G.Lorusso, T.Nakano, T.Nakatsukasa, M.Kurata-Nishimura, H.J.Ong, S.Ota, Zs.Podolyak, H.Sakurai, H.Scheit, K.Steiger, D.Steppenbeck, K.Sugimoto, K.Tajiri, S.Takano, A.Takashima, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, H.Yamaguchi Development of axial asymmetry in the neutron-rich nucleus 110Mo RADIOACTIVITY 110Nb(β-) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ, X-rays. 110Mo; deduced energy levels, J, π, quasi-γ-band state, B(e2) ratio. Comparison with general Bohr Hamiltonian method calculations, systematics of low-lying levels of even-even Mo nuclei. NUCLEAR STRUCTURE 104,106,108,110Mo; calculated moments of inertia, potential energy surface, the nuclear landscape. General Bohr Hamiltonian method calculations.
doi: 10.1016/j.physletb.2011.09.050
2010GO06 Radiat.Meas. 45, 856 (2010) A.N.Golovchenko, L.Sihver, S.Ota, J.Skvarc, N.Yasuda, S.Kodaira, G.N.Timoshenko, M.Giacomelli Fragmentation of 370 MeV/n 20Ne and 470 MeV/n 24Mg in light targets NUCLEAR REACTIONS C(24Mg, X), E=345, 444 MeV/nucleon; measured reaction fragments; deduced σ.
doi: 10.1016/j.radmeas.2010.03.006
2010ID02 Phys.Lett. B 686, 18 (2010) E.Ideguchi, S.Ota, T.Morikawa, M.Oshima, M.Koizumi, Y.Toh, A.Kimura, H.Harada, K.Furutaka, S.Nakamura, F.Kitatani, Y.Hatsukawa, T.Shizuma, M.Sugawara, H.Miyatake, Y.X.Watanabe, Y.Hirayama, M.Oi Superdeformation in asymmetric N > Z nucleus 40Ar NUCLEAR REACTIONS 26Mg(18O, 2n2p), E=69 MeV; measured Eγ, Iγ, γγ-coin, (particle)γ-coin using Gemini-II and Si-Ball detector arrays. 40Ar; deduced levels, J, π, deformation, related features and lifetimes using DSA; calculated configuration using HFB method. Comparison with 36Ar and 40Ca systematics.
doi: 10.1016/j.physletb.2010.02.031
2010SU16 Int.J.Mod.Phys. E19, 1823 (2010) X.Y.Sun, J.G.Chen, D.Q.Fang, Y.G.Ma, X.Z.Cai, W.Guo, W.D.Tian, H.W.Wang, P.Zhou, G.Q.Zhang, X.G.Cao, Y.Fu, Z.G.Hu, J.S.Wang, M.Wang, Y.Togano, N.Aoi, H.Baba, T.Honda, K.Okada, Y.Hara, K.Ieki, Y.Ishibashi, Y.Itou, N.Iwasa, S.Kanno, T.Kawabata, H.Kimura, Y.Kondo, K.Kurita, M.Kurokawa, T.Moriguchi, H.Murakami, H.Oishi, S.Ota, A.Ozawa, H.Sakurai, S.Shimoura, R.Shioda, E.Takeshita, S.Takeuchi, K.Yamada, Y.Yamada, Y.Yasuda, K.Yoneda, T.Motobayashi Measurement of the proton-proton correlation function from the break-up of 22Mg and 20Ne NUCLEAR REACTIONS 12C(22Mg, p), (20Ne, p), E=70 MeV/nucleon; measured reaction products, proton spectrum; deduced angular and momentum correlations between two protons, space-time information.
doi: 10.1142/S0218301310016259
2010ZH15 Int.J.Mod.Phys. E19, 957 (2010) P.Zhou, D.Q.Fang, Y.G.Ma, X.Z.Cai, J.G.Chen, W.Guo, X.Y.Sun, W.D.Tian, H.W.Wang, G.Q.Zhang, X.G.Cao, Y.Fu, Z.G.Hu, J.S.Wang, M.Wang, Y.Togano, N.Aoi, H.Baba, T.Honda, K.Okada, Y.Hara, K.Ieki, Y.Ishibashi, Y.Itou, N.Iwasa, S.Kanno, T.Kawabata, H.Kimura, Y.Kondo, K.Kurita, M.Kurokawa, T.Moriguchi, H.Murakami, H.Oishi, S.Ota, A.Ozawa, H.Sakurai, S.Shimoura, R.Shioda, E.Takeshita, S.Takeuchi, K.Yamada, Y.Yamada, Y.Yasuda, K.Yoneda, T.Motobayashi Measurement of two-proton correlation from the break-up of 23Al RADIOACTIVITY 23Al, 22Mg(2p) [from 12C(23Al, X), (22Mg, X), (21Na, X), (20Ne, X), E=60-70 MeV/nucleon]; measured decay products; deduced trajectories, di-proton emission.
doi: 10.1142/S0218301310015400
2009AO01 Phys.Rev.Lett. 102, 012502 (2009) N.Aoi, E.Takeshita, H.Suzuki, S.Takeuchi, S.Ota, H.Baba, S.Bishop, T.Fukui, Y.Hashimoto, H.J.Ong, E.Ideguchi, K.Ieki, N.Imai, M.Ishihara, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, K.Kurita, K.Kusaka, T.Minemura, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, M.Niikura, T.Okumura, T.K.Ohnishi, H.Sakurai, S.Shimoura, R.Sugo, D.Suzuki, M.K.Suzuki, M.Tamaki, K.Tanaka, Y.Togano, K.Yamada Development of Large Deformation in 62Cr NUCLEAR REACTIONS 1H(60Cr, 60Cr'), E=42 MeV/nucleon; 1H(62Cr, 62Cr'), E=39 MeV/nucleon; measured Eγ, Iγ, γγ, (particle)γ-coin. 60Cr; deduced deformation length. 62Cr; deduced levels, J, π, deformation length.
doi: 10.1103/PhysRevLett.102.012502
2009NI17 Eur.Phys.J. A 42, 471 (2009) M.Niikura, E.Ideguchi, N.Aoi, H.Baba, T.Fukuchi, Y.Ichikawa, H.Iwasaki, T.Kubo, M.Kurokawa, M.Liu, S.Michimasa, T.Ohnishi, T.K.Onishi, S.Ota, S.Shimoura, H.Suzuki, D.Suzuki, Y.Wakabayashi, K.Yoshida, Y.Zheng Yrast spectroscopy in 49-51Ti via fusion-evaporation reaction induced by a radioactive beam NUCLEAR REACTIONS 9Be(46Ar, xn)49Ti/50Ti/51Ti, E=2-8 MeV/nucleon; measured Eγ, Iγ, γγ-coin in-beam using GRAPE HPGe detector array with Doppler shift correction. 49Ti, 50Ti, 51Ti; deduced high-spin yrast levels, J, π, configurations. Comparison with shell model ANTOINE. Secondary radioactive beam.
doi: 10.1140/epja/i2009-10857-7
2009ON02 Eur.Phys.J. A 42, 393 (2009) H.J.Ong, N.Imai, D.Suzuki, H.Iwasaki, H.Sakurai, T.K.Onishi, M.K.Suzuki, S.Ota, S.Takeuchi, T.Nakao, Y.Togano, Y.Kondo, N.Aoi, H.Baba, S.Bishop, Y.Ichikawa, M.Ishihara, T.Kubo, K.Kurita, T.Motobayashi, T.Nakamura, T.Okumura, Y.Yanagisawa Observation/confirmation of hindered E2 strength in 18C/16C NUCLEAR REACTIONS 9Be(16C, 16C'), (18C, 18C'), E=72.79 MeV/nucleon; 16,18C; measured measured Eγ, Iγ, γγ-coin, half-lives using the upgraded recoil shadow method; deduced mean lifetime, B(E2), hinderance of transition strength, proton-shell closure. 22Ne secondary beams.
doi: 10.1140/epja/i2009-10804-8
2009TA08 Phys.Rev. C 79, 054319 (2009) S.Takeuchi, N.Aoi, T.Motobayashi, S.Ota, E.Takeshita, H.Suzuki, H.Baba, T.Fukui, Y.Hashimoto, K.Ieki, N.Imai, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, K.Kurita, T.Minemura, T.Nakabayashi, T.Nakamura, T.Okumura, T.K.Onishi, H.Sakurai, S.Shimoura, R.Sugou, D.Suzuki, M.K.Suzuki, M.Takashina, M.Tamaki, K.Tanaka, Y.Togano, K.Yamada Low-lying states in 32Mg studied by proton inelastic scattering NUCLEAR REACTIONS 1H(32Mg, 32Mg'), E=46.5 MeV/nucleon; measured Eγ, Iγ, scattered particle spectra, σ, σ(θ). 32Mg; deduced levels, J, π, deformation lengths, rms radii.Coupled-channel analysis of angular distribution cross sections. 24,26,28,30,32,34Mg; level systematics.
doi: 10.1103/PhysRevC.79.054319
2009TA31 Int.J.Mod.Phys. E18, 2025 (2009) S.Takeuchi, N.Aoi, H.Baba, T.Kubo, T.Motobayashi, K.Tanaka, K.Yamada, T.Fukui, S.Ota, Y.Hashimoto, Y.Kondo, T.Nakabayashi, T.Nakamura, T.Okumura, K.Ieki, S.Kanno, K.Kurita, R.Sugou, E.Takeshita, Y.Togano, N.Imai, T.Minemura, H.Iwasaki, T.K.Onishi, H.Sakurai, D.Suzuki, H.Suzuki, M.K.Suzuki, S.Shimoura, M.Tamaki Study of low-lying states in 32Mg NUCLEAR REACTIONS 1H(32Mg, 32Mg'), E=45.5 MeV/nucleon; measured Eγ, Iγ, γ-γ-coin.; 32Mg deduced level energies, decay and level scheme, J, π, σ(θ), β2. Secondary beam from 40Ar fragmentation.
doi: 10.1142/S0218301309014226
2008AO01 Nucl.Phys. A805, 400c (2008) N.Aoi, H.Suzuki, E.Takeshita, S.Takeuchi, S.Ota, H.Baba, S.Bishop, T.Fukui, Y.Hashimoto, H.J.Ong, E.Ideguchi, K.Ieki, N.Imai, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, K.Kurita, K.Kusaka, T.Minemura, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, M.Niikura, T.Okumura, T.K.Ohnishi, H.Sakurai, S.Shimoura, R.Sugo, D.Suzuki, M.K.Suzuki, M.Tamaki, K.Tanaka, Y.Togano, K.Yamada Shape transition observed in neutron-rich pf-shell isotopes studied via proton inelastic scattering NUCLEAR REACTIONS 1H(58Ti, 58Ti'), (60Cr, 60Cr'), (62Cr, 62Cr'), E≈40 MeV/nucleon; measured Eγ, Iγ, γγ-coin. 58Ti, 60,62Cr deduced levels, J, π, deformation lengths. Inverse kinematics.
doi: 10.1016/j.nuclphysa.2008.02.280
2008EL02 J.Phys.(London) G35, 014038 (2008) Z.Elekes, Z.Dombradi, N.Aoi, H.Baba, S.Bishop, K.Demichi, Z.Fulop, J.Gibelin, T.Gomi, H.Hasegawa, Y.Hashimoto, N.Imai, M.Ishihara, N.Iwasa, H.Iwasaki, G.Kalinka, S.Kanno, S.Kawai, T.Kishida, Y.Kondo, A.A.Korsheninnikov, T.Kubo, K.Kurita, M.Kurokawa, N.Matsui, Y.Matsuyama, S.Michimasa, T.Minemura, T.Motobayashi, T.Nakamura, T.Nakao, E.Y.Nikolskii, M.Notani, T.K.Ohnishi, T.Okumura, H.J.Ong, S.Ota, A.Ozawa, A.Perera, A.Saito, H.K.Sakai, H.Sakurai, Y.Satou, S.Shimoura, D.Sohler, T.Sumikama, D.Suzuki, M.Suzuki, H.Takeda, E.Takeshita, S.Takeuchi, M.Tamaki, Y.Togano, K.Yamada, Y.Yanagisawa, K.Yoneda The study of shell closures in light neutron-rich nuclei NUCLEAR REACTIONS 1H(28Ne, 27Ne), E≈51.3 MeV/nucleon; 22O(d, p)23O, E=34 MeV/nucleon; measured Eγ, Iγ, cross sections. 27Ne, 23O; deduced levels, J, π, Spectroscopic factors. Compared results to model calculations.
doi: 10.1088/0954-3899/35/1/014038
2008IW03 Phys.Rev. C 78, 021304 (2008) H.Iwasaki, S.Michimasa, M.Niikura, M.Tamaki, N.Aoi, H.Sakurai, S.Shimoura, S.Takeuchi, S.Ota, M.Honma, T.K.Onishi, E.Takeshita, H.J.Ong, H.Baba, Z.Elekes, T.Fukuchi, Y.Ichikawa, M.Ishihara, N.Iwasa, S.Kanno, R.Kanungo, S.Kawai, T.Kubo, K.Kurita, T.Motobayashi, A.Saito, Y.Satou, H.Suzuki, M.K.Suzuki, Y.Togano, Y.Yanagisawa Persistence of the N=50 shell closure in the neutron-rich isotope 80Ge NUCLEAR REACTIONS Pb(76Ge, 76Ge'), (80Ge, 80Ge'), E=37 MeV/nucleon; measured Eγ, Iγ, σ. 76,80Ge; deduced levels, J, π, B(E2). Comparison with large scale shell model calculations.
doi: 10.1103/PhysRevC.78.021304
2008IW04 Phys.Rev. C 78, 024306 (2008); Publishers's Note Phys.Rev. C 78, 029902 (2008) N.Iwasa, T.Motobayashi, S.Bishop, Z.Elekes, J.Gibelin, M.Hosoi, K.Ieki, K.Ishikawa, H.Iwasaki, S.Kawai, S.Kubono, K.Kurita, M.Kurokawa, N.Matsui, T.Minemura, H.Morikawa, T.Nakamura, M.Niikura, M.Notani, S.Ota, A.Saito, H.Sakurai, S.Shimoura, K.Sugawara, T.Sugimoto, H.Suzuki, T.Suzuki, I.Tanihata, E.Takeshita, T.Teranishi, Y.Togano, K.Yamada, K.Yamaguchi, Y.Yanagisawa Large proton contribution to the 2+ excitation in 20Mg studied by intermediate energy inelastic scattering NUCLEAR REACTIONS C, Pb(20Mg, 20Mg'), E=28 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, angular distributions. 20Mg; deduced B(E2).
doi: 10.1103/PhysRevC.78.024306
2008ON02 Phys.Rev. C 78, 014308 (2008) H.J.Ong, N.Imai, D.Suzuki, H.Iwasaki, H.Sakurai, T.K.Onishi, M.K.Suzuki, S.Ota, S.Takeuchi, T.Nakao, Y.Togano, Y.Kondo, N.Aoi, H.Baba, S.Bishop, Y.Ichikawa, M.Ishihara, T.Kubo, K.Kurita, T.Motobayashi, T.Nakamura, T.Okumura, Y.Yanagisawa Lifetime measurements of first excited states in 16, 18C NUCLEAR REACTIONS 9Be(16C, 16C'), E=40 MeV/nucleon;9Be(18C, 18C'), (18C, 11Be), (18C, 16N), E=79 MeV/nucleon; measured Eγ, Iγ, γγ-coin, half-lives using recoil shadow method. 11Be, 16N, 16,18C; deduced levels, J, π, B(E2). 14C, 16,18,20,22O, 34Si, 38,40,46,48Ca; comparison of B(E2) values.
doi: 10.1103/PhysRevC.78.014308
2008OT05 Phys.Lett. B 666, 311 (2008) S.Ota, S.Shimoura, H.Iwasaki, M.Kurokawa, S.Michimasa, N.Aoi, H.Baba, K.Demichi, Z.Elekes, T.Fukuchi, T.Gomi, S.Kanno, S.Kubono, K.Kurita, H.Hasegawa, E.Ideguchi, N.Iwasa, Y.U.Matsuyama, K.L.Yurkewicz, T.Minemura, T.Motobayashi, T.Murakami, M.Notani, A.Odahara, A.Saito, H.Sakurai, E.Takeshita, S.Takeuchi, M.Tamaki, T.Teranishi, Y.Yanagisawa, K.Yamada, M.Ishihara Low-lying proton intruder state in 13B NUCLEAR REACTIONS 4He(12Be, 13B), E=50 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, σ(θ). 13B; deduced levels, J, π.
doi: 10.1016/j.physletb.2008.07.081
2008SU12 Phys.Lett. B 666, 222 (2008) D.Suzuki, H.Iwasaki, H.J.Ong, N.Imai, H.Sakurai, T.Nakao, N.Aoi, H.Baba, S.Bishop, Y.Ichikawa, M.Ishihara, Y.Kondo, T.Kubo, K.Kurita, T.Motobayashi, T.Nakamura, T.Okumura, T.K.Onishi, S.Ota, M.K.Suzuki, S.Takeuchi, Y.Togano, Y.Yanagisawa Lifetime measurements of excited states in 17C: Possible interplay between collectivity and halo effects NUCLEAR REACTIONS 9Be(18C, n17C), E not given; measured Eγ, Iγ, lifetimes of low lying states using recoil shadow method. 17C; deduced B(M1).
doi: 10.1016/j.physletb.2008.07.055
2007EL02 Phys.Rev.Lett. 98, 102502 (2007) Z.Elekes, Zs.Dombradi, N.Aoi, S.Bishop, Zs.Fulop, J.Gibelin, T.Gomi, Y.Hashimoto, N.Imai, N.Iwasa, H.Iwasaki, G.Kalinka, Y.Kondo, A.A.Korsheninnikov, K.Kurita, M.Kurokawa, N.Matsui, T.Motobayashi, T.Nakamura, T.Nakao, E.Yu.Nikolskii, T.K.Ohnishi, T.Okumura, S.Ota, A.Perera, A.Saito, H.Sakurai, Y.Satou, D.Sohler, T.Sumikama, D.Suzuki, M.Suzuki, H.Takeda, S.Takeuchi, Y.Togano, Y.Yanagisawa Spectroscopic Study of Neutron Shell Closures via Nucleon Transfer in the Near-Dripline Nucleus 23O NUCLEAR REACTIONS 2H(22O, 23O), E=34 MeV/nucleon; measured excitation energy spectrum. 23O deduced resonance energies, neutron shell features.
doi: 10.1103/PhysRevLett.98.102502
2007EL10 Eur.Phys.J. Special Topics 150, 99 (2007) Z.Elekes, Zs.Dombradi, A.Saito, N.Aoi, H.Baba, K.Demichi, Zs.Fulop, J.Gibelin, T.Gomi, H.Hasegawa, N.Imai, M.Ishihara, H.Iwasaki, S.Kanno, S.Kawai, T.Kishida, T.Kubo, K.Kurita, Y.Matsuyama, S.Michimasa, T.Minemura, T.Motobayashi, M.Notani, T.K.Ohnishi, H.J.Ong, S.Ota, A.Ozawa, H.K.Sakai, H.Sakurai, S.Shimoura, E.Takeshita, S.Takeuchi, M.Tamaki, Y.Togano, K.Yamada, Y.Yanagisawa, K.Yoneda Study of N = 20 shell gap with 1H(28Ne, 27, 28Ne) reactions NUCLEAR REACTIONS 1H(28Ne, 28Ne'), (28Ne, 27Ne), E=51.3 MeV/nucleon; measured Eγ, Iγ, γγ-coin. 27,28Ne; deduced level energies.
doi: 10.1140/epjst/e2007-00277-5
2007MI25 Nucl.Phys. A787, 569c (2007) S.Michimasa, S.Shimoura, H.Iwasaki, M.Tamaki, S.Ota, N.Aoi, H.Baba, N.Iwasa, S.Kanno, S.Kubono, K.Kurita, M.Kurokawa, T.Minemura, T.Motobayashi, M.Notani, H.J.Ong, A.Saito, H.Sakurai, E.Takeshita, S.Takeuchi, Y.Yanagisawa, A.Yoshida Proton Shell Structure in Neutron-rich 23F NUCLEAR REACTIONS 4He(22O, 23Fγ), (23F, 23Fγ), (24F, 23Fγ), (25Ne, 23Fγ), E≈35 MeV/nucleon; measured Eγ, Iγ, γγ-coin; deduced reaction σ. 4He(22O, 23Fγ), E=35 MeV/nucleon; measured σ(θ). 23F deduced levels, J, π, configurations. Comparison with DWBA and shell model predictions.
doi: 10.1016/j.nuclphysa.2006.12.086
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