New Result in the Production and Decay of an Isotope, 278113, of the 113th Element

  title={New Result in the Production and Decay of an Isotope, 278113, of the 113th Element},
  author={Kosuke Morita and Kouji Morimoto and Daiya Kaji and H Haba and K. Ozeki and Yuki Kudou and Takayuki Sumita and Yasuo Wakabayashi and Akira Yoneda and Kengo Tanaka and S. Yamaki and Ryutaro Sakai and Takahiro Akiyama and Shin-ichi Goto and Hiroo Hasebe and Minghui Huang and Tianheng Huang and E. Ideguchi and Yoshitaka Kasamatsu and Kenji Katori and Yoshiki Kariya and Hidetoshi Kikunaga and Hiroyuki Koura and Hisaaki Kudo and Akihiro Mashiko and Keita Mayama and Shin-ichi Mitsuoka and T{\^o}ru Moriya and Masashi Murakami and Hirohumi Murayama and Saori Namai and Akira Ozawa and Nozomi Sato and Keisuke Sueki and Mirei Takeyama and Fuyuki Tokanai and Takayuki Yamaguchi and Atsushi Yoshida},
  journal={Journal of the Physical Society of Japan},
An isotope of the 113th element, i.e., 278 113, was produced in a nuclear reaction with a 70 Zn beam on a 209 Bi target. We observed six consecutive α-decays following the implantation of a heavy particle in nearly the same position in the semiconductor detector under an extremely low background condition. The fifth and sixth decays are fully consistent with the sequential decays of 262 Db and 258 Lr in both decay energies and decay times. This indicates that the present decay chain consisted… Expand

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