A Multi-reflection time-of-flight mass spectrograph for short-lived and super-heavy nuclei

Schury, P. H.*; Wada, Michiharu*; Ito, Yuta*; Naimi, S.*; Sonoda, Tetsu*; Mita, Koki*; Takamine, Aiko*; Okada, Kunihiro*; Wollnik, H.*; Chon, S.*; Haba, Hiromitsu*; Kaji, Daiya*; Koura, Hiroyuki ; Miyatake, Hiroari*; Morimoto, Koji*; Morita, Kosuke*; Ozawa, Akira*

A multi-reflection time-of-flight (MRTOF) mass spectrograph has been implemented at RIKEN to provide high-precision mass measurements of very short-lived nuclei. Of particular interest are mass measurements of r-process nuclei and trans-uranium nuclei. In such nuclei, the MRTOF can perform on par with or better than traditional Penning trap systems. We demonstrate that the MRTOF-MS is capable of accurately attaining relative mass precision of m/m 10 $^{-7}$ and describe it's utility with heavy, short-lived nuclei.

Language	:	English
Journal	:	Nuclear Instruments and Methods in Physics Research B
Volume	:	317
Number	:	Part B
Pages	:	p.537 - 543
Publication Year/Month	:	2013/12
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Paper URL	:	https://doi.org/10.1016/j.nimb.2013.06.025
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Registration No. : AA20130723
JAEA Abstracts No. : 42000505
Paper Submission No. : 14094

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