Identification of new neutron-rich isotopes in the rare-earth region produced by 345MeV/nucleon 238U

Naoki Fukuda, Toshiyuki Kubo, Daisuke Kameda, Naohito Inabe, Hiroshi Suzuki, Yohei Shimizu, Hiroyuki Takeda, Kensuke Kusaka, Yoshiyuki Yanagisawa, Masao Ohtake, Kanenobu Tanaka, Koichi Yoshida, Hiromi Sato, Hidetada Baba, Meiko Kurokawa, Tetsuya Ohnishi, Naohito Iwasa, Ayuko Chiba, Taku Yamada, Eiji IdeguchiShintaro Go, Rin Yokoyama, Toshihiko Fujii, Hiroki Nishibata, Kazuo Ieki, Daichi Murai, Sadao Momota, Daiki Nishimura, Yoshiteru Sato, Jongwon Hwang, Sunji Kim, Oleg B. Tarasov, David J. Morrissey, Gary Simpson

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Abstract

A search for new isotopes in the neutron-rich rare-earth region has been carried out using a 345 MeV/nucleon 238U beam at the RIKEN Nishina Center RI Beam Factory. Fragments produced were analyzed and identified using the BigRIPS in-flight separator. We observed a total of 29 new neutron-rich isotopes: 153Ba, 154,155,156La, 156,157,158Ce, 156,157,158,159,160,161Pr, 162,163Nd, 164,165Pm, 166,167Sm, 169Eu, 171Gd, 173,174Tb, 175,176Dy, 177,178Ho, and 179,180Er.

Original languageEnglish
Article number014202
Journaljournal of the physical society of japan
Volume87
Issue number1
DOIs
Publication statusPublished - 2018 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Fukuda, N., Kubo, T., Kameda, D., Inabe, N., Suzuki, H., Shimizu, Y., Takeda, H., Kusaka, K., Yanagisawa, Y., Ohtake, M., Tanaka, K., Yoshida, K., Sato, H., Baba, H., Kurokawa, M., Ohnishi, T., Iwasa, N., Chiba, A., Yamada, T., ... Simpson, G. (2018). Identification of new neutron-rich isotopes in the rare-earth region produced by 345MeV/nucleon 238U. journal of the physical society of japan, 87(1), [014202]. https://doi.org/10.7566/JPSJ.87.014202