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Identification of 45 New Neutron-Rich Isotopes Produced by In-Flight Fission of a 238 U Beam at 345 MeV/nucleon

2010; Physical Society of Japan; Volume: 79; Issue: 7 Linguagem: Inglês

10.1143/jpsj.79.073201

1347-4073

T. Ohnishi, T. Kubo, K. Kusaka, Atsushi Yoshida, Koichi Yoshida, M. Ohtake, N. Fukuda, H. Takeda, D. Kameda, K. Tanaka, N. Inabe, Y. Yanagisawa, Y. Gono, H. Watanabe, H. Otsu, H. Baba, T. Ichihara, Takayuki Yamaguchi, M. Takechi, S. Nishimura, H. Ueno, A. Yoshimi, H. Sakuraï, T. Motobayashi, T. Nakao, Y. Mizoi, Masafumi Matsushita, K. Ieki, Nobuyuki Kobayashi, Kana Tanaka, Y. Kawada, Naoki Tanaka, S. Deguchi, Y. Satou, Y. Kondo, T. Nakamura, K. Yoshinaga, Chihiro Ishii, Hideakira Yoshii, Y. Miyashita, Nobuya Uematsu, Yasutsugu Shiraki, T. Sumikama, J. Chiba, E. Ideguchi, A. Saito, Takayuki Yamaguchi, I. Hachiuma, Takeshi Suzuki, T. Moriguchi, Akira Ozawa, Takashi Ohtsubo, M. Famiano, Hans Geissel, A. Nettleton, O. Tarasov, D. Bazin, B. M. Sherrill, S. Manikonda, J. A. Nolen,

Nuclear reactor physics and engineering

A search for new isotopes using in-flight fission of a 345 MeV/nucleon 238 U beam has been carried out at the RI Beam Factory at the RIKEN Nishina Center. Fission fragments were analyzed and identified by using the superconducting in-flight separator BigRIPS. We observed 45 new neutron-rich isotopes: 71 Mn, 73,74 Fe, 76 Co, 79 Ni, 81,82 Cu, 84,85 Zn, 87 Ga, 90 Ge, 95 Se, 98 Br, 101 Kr, 103 Rb, 106,107 Sr, 108,109 Y, 111,112 Zr, 114,115 Nb, 115,116,117 Mo, 119,120 Tc, 121,122,123,124 Ru, 123,124,125,126 Rh, 127,128 Pd, 133 Cd, 138 Sn, 140 Sb, 143 Te, 145 I, 148 Xe, and 152 Ba.