Low pressure negative ion time projection chamber for dark matter search

被引：73

作者：

Snowden-Ifft, DP ^{[1
]}

Martoff, CJ

Burwell, JM

机构：

[1] Occidental Coll, Dept Phys, Los Angeles, CA 90041 USA

[2] Temple Univ, Dept Phys, Philadelphia, PA 19122 USA

[3] Mt Holyoke Coll, Dept Phys, S Hadley, MA 01075 USA

来源：

PHYSICAL REVIEW D | 2000年 / 61卷 / 10期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevD.61.101301

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Weakly interacting massive particles (WIMPs) are an attractive candidate for the dark matter thought to make up the bulk of the mass of our universe. We explore here the possibility of using a low pressure negative ion time projection chamber to search for WIMPs. The innovation of drifting ions, instead of electrons, allows the design of a detector with very high sensitivity and background rejection and a robust statistical signature for WIMP interactions.

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