NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = K.Hasegawa Found 12 matches. 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
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
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
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
2007SH34 Phys.Lett. B 654, 87 (2007) S.Shimoura, S.Ota, K.Demichi, N.Aoi, H.Baba, Z.Elekes, T.Fukuchi, T.Gomi, K.Hasegawa, E.Ideguchi, M.Ishihara, N.Iwasa, H.Iwasaki, S.Kanno, S.Kubono, K.Kurita, M.Kurokawa, Y.U.Matsuyama, S.Michimasa, K.Miller, T.Minemura, T.Motobayashi, T.Murakami, M.Notani, A.Odahara, A.Saito, H.Sakurai, E.Takeshita, S.Takeuchi, M.Tamaki, T.Teranishi, K.Yamada, Y.Yanagisawa, I.Hamamoto Lifetime of the isomeric 0+2 state in 12Be NUCLEAR REACTIONS 9Be(18O, X)12Be, E=100 MeV/nucleon; measured delayed Eγ, Iγ, γγ-coin. 12Be deduced isomeric state energy J, π, T1/2, decay branching, B(E2), B(E0). Comparison with shell model calculations.
doi: 10.1016/j.physletb.2007.08.053
1997CH39 Nucl.Phys. A624, 305 (1997) S.Chiba, O.Iwamoto, Y.Yamanouti, M.Sugimoto, M.Mizumoto, K.Hasegawa, E.S.Sukhovitsky, Y.V.Porodzinsky, Y.Watanabe Consistent Description of Collective Level Structure and Neutron Interation Data for 12C in the Framework of the Soft-Rotator Model NUCLEAR REACTIONS 12C(n, n), (n, n'), E=28.2 MeV; measured σ(θ); deduced optical model parameters. 12C levels deduced quadrupole deformation parameter, B(E2). Soft-rotor model, coupled-channels analysis.
doi: 10.1016/S0375-9474(97)00474-0
1997JI06 J.Phys.Soc.Jpn. 66, 2521 (1997) W.-G.Jin, T.Wakui, K.Hasegawa, H.Uematsu, T.Minowa, H.Katsuragawa Isotope Shifts in Sm I by Atomic Beam Diode-Laser Spectroscopy NUCLEAR MOMENTS 148,150,152,154Sm; measured isotope shifts; deduced charge radii. Atomic beam diode-laser spectroscopy.
doi: 10.1143/JPSJ.66.2521
1995WA07 Phys.Rev. C51, 1891 (1995) Y.Watanabe, A.Aoto, H.Kashimoto, S.Chiba, T.Fukahori, K.Hasegawa, M.Mizumoto, S.Meigo, M.Sugimoto, Y.Yamanouti, N.Koori, M.B.Chadwick, P.E.Hodgson Feshbach-Kerman-Koonin Model Analysis of Preequilibrium (p, p') and (p, n) Reactions at 12 to 26 MeV NUCLEAR REACTIONS 98Mo(p, xp), E=25.6 MeV; 106Pd(p, xp), E=26 MeV; measured σ(θ, Ep); 98Mo(p, xn), E=25.6 MeV; 106Pd(p, xn), E=26 MeV; 93Nb(n, n'), E=14.1-25.7 MeV; 106Pd, 98Mo(p, p'), E=12-26 MeV; 98Mo, 106Pd(p, n), E=26 MeV; 93Nb(p, p'), E=18 MeV; analyzed σ(θ, E) data; deduced effective N-N interaction strength. Feshbach-Kerman-Koonin model analysis.
doi: 10.1103/PhysRevC.51.1891
1994BB16 Proc.Intern.Conf.Nuclear Data for Science and Technology, Gatlinburg, Tennesse, 9-13 May, 1994, J.K.Dickens, Ed., American Nuclear Society, Vol.2, p.941 (1994) M.Baba, N.Ito, I.Matsuyama, S.Matsuyama, N.Hirakawa, S.Chiba, T.Fukahori, M.Mizumoto, K.Hasegawa, S.Meigo Measurement of double-differential (n, α) cross sections of Fe, Ni, Cu and 50Cr for 4.5 - 14.1 MeV neutrons NUCLEAR REACTIONS Ni(n, x), E=4.3-14.1 MeV; measured products, 4He; deduced σ(E). Data were imported from EXFOR entry 22287. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22287. 1989CH42 Nucl.Instrum.Methods Phys.Res. A281, 581 (1989) S.Chiba, M.Mizumoto, K.Hasegawa, Y.Yamanouti, M.Sugimoto, Y.Watanabe, M.Drosg The 1H(11B, n)11C Reaction as a Practical Low Background Monoenergetic Neutron Source in the 10 MeV Region NUCLEAR REACTIONS 1H(11B, n), E=50-64 MeV; measured σ(En, θ=0°), σ(θn); deduced neutron source properties.
doi: 10.1016/0168-9002(89)91493-9
1988YA06 Phys.Rev. C37, 2585 (1988) T.Yamaya, O.Satoh, S.M.Morita, K.Kotajima, K.Hasegawa, T.Shinozuka, M.Fujioka Optical Potentials for p-Shell Heavy Ion Projectiles NUCLEAR REACTIONS 28Si(12C, 12C), (12C, 12C'), (13C, 13C), (13C, 13C'), (14N, 14N), (14N, 14N'), (16O, 16O'), (16O, 16O), E=60, 65, 75, 84 MeV; measured σ(θ); deduced model parameters. Optical, microscopic double folding model analyses.
doi: 10.1103/PhysRevC.37.2585
1980HA40 Prog.Theor.Phys.(Kyoto) 64, 162 (1980) A Variational Calculation on the n-d System - An Extended Resonating Group Method - NUCLEAR REACTIONS 2H(n, n), E<15 MeV; calculated s-wave phase shifts. Faddeev equations, Kohn variational principle. NUCLEAR STRUCTURE 3H; calculated binding energy. Faddeev equations, Kohn variational principle.
doi: 10.1143/PTP.64.162
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