Status of super heavy element research using GARIS at RIKEN

K. Morimoto; K. Morita; D. Kaji; S. Goto; H. Haba; E. Ideguchi; R. Kanungo; K. Katori; H. Koura; H. Kudo; T. Ohnishi; A. Ozawa; J. C. Peter; T. Suda; K. Sueki; I. Tanihata; F. Tokanai; H. Xu; A. V. Yeremin; A. Yoneda; A. Yoshida; T. L. Zhao; T. Zheng

doi:10.1016/j.nuclphysa.2004.04.021

Status of super heavy element research using GARIS at RIKEN

K. Morimoto, K. Morita, D. Kaji, S. Goto, H. Haba, E. Ideguchi, R. Kanungo, K. Katori, H. Koura, H. Kudo, T. Ohnishi, A. Ozawa, J. C. Peter, T. Suda, K. Sueki, I. Tanihata, F. Tokanai, H. Xu, A. V. Yeremin, A. YonedaA. Yoshida, T. L. Zhao, T. Zheng

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

A gas filled recoil separator GARIS for heavy element research was installed at, an experimental hall of the RIKEN linear Accelerator (RILAC) facility. One of the interesting applications of the separator is the discovery of nuclei of superheavy elements whose atomic number are grater then 110. We performed experiments to study productions and decays of heavy nuclei, ²⁷¹Ds and ²⁷²111, which were produced with ²⁰⁸Pb + ⁶⁴Ni → ²⁷¹Ds + n and ²⁰⁹Bi + ⁶⁴Ni → ²⁷²111 + n reactions. Fourteen atoms of ²⁷¹Ds and the same number of²⁷²111 were detected and identified. Existence of an isomeric state in ²⁷¹Ds was confirmed. In the decay chains of ²⁷²111, spontaneous fission decays were observed in decay of ²⁶⁴Bh and ²⁶⁰Db.

Original language	English
Pages (from-to)	129-135
Number of pages	7
Journal	Nuclear Physics A
Volume	738
Issue number	1-4 SUPPL.
DOIs	https://doi.org/10.1016/j.nuclphysa.2004.04.021
Publication status	Published - Jun 28 2004
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/j.nuclphysa.2004.04.021

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Morimoto, K., Morita, K., Kaji, D., Goto, S., Haba, H., Ideguchi, E., Kanungo, R., Katori, K., Koura, H., Kudo, H., Ohnishi, T., Ozawa, A., Peter, J. C., Suda, T., Sueki, K., Tanihata, I., Tokanai, F., Xu, H., Yeremin, A. V., ... Zheng, T. (2004). Status of super heavy element research using GARIS at RIKEN. Nuclear Physics A, 738(1-4 SUPPL.), 129-135. https://doi.org/10.1016/j.nuclphysa.2004.04.021

Morimoto, K, Morita, K, Kaji, D, Goto, S, Haba, H, Ideguchi, E, Kanungo, R, Katori, K, Koura, H, Kudo, H, Ohnishi, T, Ozawa, A, Peter, JC, Suda, T, Sueki, K, Tanihata, I, Tokanai, F, Xu, H, Yeremin, AV, Yoneda, A, Yoshida, A, Zhao, TL & Zheng, T 2004, 'Status of super heavy element research using GARIS at RIKEN', Nuclear Physics A, vol. 738, no. 1-4 SUPPL., pp. 129-135. https://doi.org/10.1016/j.nuclphysa.2004.04.021

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abstract = "A gas filled recoil separator GARIS for heavy element research was installed at, an experimental hall of the RIKEN linear Accelerator (RILAC) facility. One of the interesting applications of the separator is the discovery of nuclei of superheavy elements whose atomic number are grater then 110. We performed experiments to study productions and decays of heavy nuclei, 271Ds and 272111, which were produced with 208Pb + 64Ni → 271Ds + n and 209Bi + 64Ni → 272111 + n reactions. Fourteen atoms of 271Ds and the same number of272111 were detected and identified. Existence of an isomeric state in 271Ds was confirmed. In the decay chains of 272111, spontaneous fission decays were observed in decay of 264Bh and 260Db.",

author = "K. Morimoto and K. Morita and D. Kaji and S. Goto and H. Haba and E. Ideguchi and R. Kanungo and K. Katori and H. Koura and H. Kudo and T. Ohnishi and A. Ozawa and Peter, {J. C.} and T. Suda and K. Sueki and I. Tanihata and F. Tokanai and H. Xu and Yeremin, {A. V.} and A. Yoneda and A. Yoshida and Zhao, {T. L.} and T. Zheng",

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doi = "10.1016/j.nuclphysa.2004.04.021",

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AU - Morimoto, K.

AU - Morita, K.

AU - Kaji, D.

AU - Goto, S.

AU - Haba, H.

AU - Ideguchi, E.

AU - Kanungo, R.

AU - Katori, K.

AU - Koura, H.

AU - Kudo, H.

AU - Ohnishi, T.

AU - Ozawa, A.

AU - Peter, J. C.

AU - Suda, T.

AU - Sueki, K.

AU - Tanihata, I.

AU - Tokanai, F.

AU - Xu, H.

AU - Yeremin, A. V.

AU - Yoneda, A.

AU - Yoshida, A.

AU - Zhao, T. L.

AU - Zheng, T.

PY - 2004/6/28

Y1 - 2004/6/28

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Status of super heavy element research using GARIS at RIKEN

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