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5 results on '"H. Kuboki"'

1. J-PARC-HI Collaboration

Author

J.K. Ahn, Y. Akamatsu, M. Asakawa, S. Ashikaga, O. Busch, E. Chishiro, M. Chiu, T. Chujo, P. Cirkovic, T. Csörgő, G. David, D. Devetak, M. Djordjevic, S. Esumi, H. Fujii, K. Fukushima, P. Garg, T. Gunji, T. Hachiya, H. Hamagaki, H. Harada, M. Harada, S. Hasegawa, Y. Hashimoto, T. Hatsuda, N. Hayashi, K. Hirano, T. Hirano, B.S. Hong, H. Hotchi, S.H. Hwang, Y. Ichikawa, T. Ichisawa, K. Imai, M. Inaba, K. Ishii, K. Itakura, T. Ito, J. Kamiya, M. Kaneta, H. Kato, S. Kato, N. Kikuzawa, B.C. Kim, E.J. Kim, T. Kimura, M. Kinsho, R. Kitamura, M. Kitazawa, Y. Kondo, A. Kovalenko, H. Kuboki, Y. Kurimoto, Y. Liu, X. Luo, T. Maruyama, S. Meigo, Y. Miake, A. Miura, T. Miyao, J. Milosevic, D. Mishra, T. Morishita, K. Morita, Y. Morita, K. Moriya, K. Murase, R. Muto, L. Nadjdjerdj, S. Nagamiya, A. Nakamura, T. Nakamura, T. Nakanoya, Y. Nara, M. Naruki, K. Niki, K. Nishio, C. Nonaka, T. Nonaka, M. Ogino, H. Oguri, C. Ohmori, A. Ohnishi, M. Oka, A. Okabe, M. Okamura, K. Oyama, K. Ozawa, P.K. Saha, T.R. Saito, A. Sakaguchi, T. Sakaguchi, S. Sakai, H. Sako, K. Sato, S. Sato, Y. Sato, S. Sawada, T. Shibata, K. Shigaki, S. Shimansky, T. Shimokawa, M. Shimomura, K. Shindo, S. Shinozaki, M. Shirakata, Y. Shobuda, M. Stojanovic, K. Suganuma, H. Sugimura, Y. Sugiyama, H. Takahashi, T. Takayanagi, Y. Takeuchi, F. Tamura, H. Tamura, J. Tamura, K.H. Tanaka, Y. Tanaka, N. Tani, K. Tanida, M. Tomisawa, T. Toyama, Y. Watanabe, N. Xu, K. Yamamoto, M. Yamamoto, S. Yokkaichi, I.K. Yoo, M. Yoshii, and M. Yoshimoto

Subjects
Nuclear and High Energy Physics
Published
2021

2. Study of spin parts of three nucleon forces via breakup reactions at intermediate energies

Author

Masaki Sasano, Hideyuki Sakai, Naoya Sakamoto, H. Okamura, Takeo Kawabata, Kimiko Sekiguchi, Tomotsugu Wakasa, K. Itoh, Yusuke T. Maeda, H. Kuboki, Tomohiro Uesaka, Satoshi Sakaguchi, Y. Takahashi, Kenji Suda, Kentaro Yako, and Yoshiko Sasamoto

Subjects
Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Nuclear Theory, Physics::Accelerator Physics, Nuclear Experiment, Nucleon, Breakup, Spin-½
Abstract

Measurements of deuteron–proton breakup reactions at 135 MeV/A have been made at RIKEN Accelerator Research Facility, focusing on the specific coplanar configurations. The obtained results are compared with the Faddeev calculations based on the modern nucleon–nucleon forces together with the Tucson-Melbourne99, and UrbanaIX three nucleon forces.

Published
2007

3. Measurements of the n→d scattering at 250 MeV and three-nucleon forces

Author

Henryk Witała, Kentaro Yako, H. Kuboki, Kenji Suda, Tomotsugu Wakasa, H. Okamura, Takeo Kawabata, Yuji Shimizu, Katsumasa Fujita, Kichiji Hatanaka, Hiroyuki Kamada, Kimiko Sekiguchi, Masaki Sasano, Hideyuki Sakai, Yasuhiro Sakemi, Atsushi Tamii, Yusuke T. Maeda, M. B. Greenfield, M. Hatano, T. Saito, Junichiro Kamiya, and Yuji Tameshige

Subjects
Nuclear physics, Physics, Elastic scattering, Nuclear and High Energy Physics, Cross section (physics), Scattering, Nuclear Theory, Nuclear cross section, Nucleon
Abstract

The differential cross sections and the vector analyzing powers for the nd elastic scattering at E n = 250 MeV have been measured for the study of the three-nucleon force (3NF) effects in the Coulomb-free system. To cover a wide angular region, the experiments were performed by using two different methods at the ( n , p ) facility and at the NTOF facility which constructed at the Research Center for Nuclear Physics (RCNP). The results were compared with theoretical predictions of the Faddeev calculations based on the modern nucleon-nucleon (NN) forces with the three-nucleon force (3NF). The inclusion of 3NFs leads to a good description of the cross section except for the backward angles. The results were also compared with the theoretical predictions with relativistic corrections. The direct data-to-data comparison of the cross sections of the nd and pd was performed.

Published
2007

4. Study of three-nucleon force effects in break-up with BINA

Author

A. Ramazani, R. Benard, Stanisław Kistryn, Mladen Kiš, Kimiko Sekiguchi, Kenjiro Miki, A. Kozela, Shumpei Noji, M. Mahjour-Shafiei, Kentaro Yako, Aleksandra Biegun, Hideyuki Sakai, H. Kuboki, R. Sworst, Nasser Kalantar-Nayestanaki, H. R. Amir-Ahmadi, Yusuke T. Maeda, H. Mardanpour, Y. Takahashi, E. Stephan, J. G. Messchendorp, Mohammad Eslami-Kalantari, and Masaki Sasano

Subjects
Physics, Elastic scattering, Nuclear physics, Nuclear and High Energy Physics, Deuterium, Scattering, Phase space, Nuclear Theory, Detector, Work (physics), Nuclear Experiment, Nucleon, Beam (structure)
Abstract

Extensive studies of three-nucleon force (3NF) effects in elastic proton-deuteron scattering have been performed at KVI and elsewhere in the past. In the present work, we explored 3NF effects in the break-up scattering process by performing high precision measurement of vector analyzing powers and differential cross sections using a 190 MeV polarized-proton beam on a liquid deuterium target. The experiment was performed by exploiting a new detector called Big Instrument for Nuclear-polarization Analysis, BINA. Its unique design enables coverage of almost the complete reaction phase space. Preliminary differential cross sections and vector analyzing powers are presented and results are compared with state-of-the-art three-nucleon calculations.

Published
2007

5. Determination of the Gamow-Teller transition strength to 116In(g.s.) by the 116Cd(p,n) reaction at 300 MeV for the study of the nuclear matrix element of the two-neutrino double beta decay

Author

K. Itoh, Takahiro Kawabata, Tomohiro Uesaka, Kimiko Sekiguchi, Satoshi Sakaguchi, Kenji Suda, Shumpei Noji, H. Kuboki, Kichiji Hatanaka, Hideyuki Sakai, Yoshiko Sasamoto, M. B. Greenfield, Tomotsugu Wakasa, Atsushi Tamii, D. Frekers, Kazuo Muto, Kenjiro Miki, Yukie Maeda, Hiroyuki Okamura, Masaki Sasano, Kentaro Yako, and Masanori Dozono

Subjects
Nuclear reaction, Physics, Nuclear physics, Nuclear and High Energy Physics, Helium-3, Double beta decay, Isotopes of cadmium, Giant resonance, Atomic physics, Ground state, Beta decay, Radioactive decay
Abstract

The 116Cd(p,n) experiment at 300 MeV has been performed for deducing the Gamow-Teller (GT) transition strengths B(GT−) in 116In. For the transition to the ground state, the B(GT−) value of 0.26 ± 0.02 is obtained. From this B(GT−) value and the B(GT+) value by a beta-decay experiment, the contribution of the intermediate ground state of 116In to the nuclear matrix element is deduced to be 0.070 ± 0.003. The B(GT−) value obtained herein is a factor of 8 less than that obtained from a previous (3He,t) measurement. This discrepancy, as well as differences in the distribution of low energy GT strength, and the width and peak energy of the GT giant resonance may be explained if the target used in the (3He,t) measurement is a Cd target with natural abundance.

Published
2007

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