A resonant Schottky pick-up for Rare-RI Ring at RIKEN

被引：7

作者：

Suzaki, F. ^{[1
,2
]}

Abe, Y. ^{[1
,3
]}

Ozawa, A. ^{[3
]}

Suzuki, T. ^{[2
]}

Uesaka, T. ^{[1
]}

Wakasugi, M. ^{[1
]}

Yamada, K. ^{[1
]}

Yamaguchi, T. ^{[2
]}

Yamaguchi, Y. ^{[1
]}

Zenihiro, J. ^{[1
]}

机构：

[1] RIKEN Nishina Ctr, 2-1 Hirosawa, Wako, Saitama 3510198, Japan

[2] Saitama Univ, Dept Phys, Saitama 3388570, Japan

[3] Univ Tsukuba, Inst Phys, Ibaraki 30585871, Japan

来源：

PHYSICA SCRIPTA | 2015年 / T166卷

关键词：

storage rings; Schottky noise pick-ups; isochronous mass spectrometry;

D O I：

10.1088/0031-8949/2015/T166/014059

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The Rare-RI Ring project has been launched at RIKEN. The Rare-RI Ring is a storage ring specially designed for the isochronous mass spectrometry of unstable nuclei. Precise mass measurements (delta m/m similar to 10(-6)) are necessary to reveal the r-process path and, therefore, the ion-optical conditions must be tuned to yield isochronicity of order 10(-6). For this purpose, we employ a highly sensitive resonant Schottky cavity as a probe for single-ion detection. Here, we first explain this technique theoretically and derive the necessary equations. Then, based on the results of off-line tests, we determine the sensitivity of the Schottky pick-up and estimate the intensities of the signals induced inside the cavity.

引用

页数：4

共 5 条

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