Direct detection constraints on superheavy dark matter

被引：51

作者：

Albuquerque, IFM ^{[1
]}

Baudis, L

机构：

[1] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

[3] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 90卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.90.221301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The dark matter in the Universe might be composed of superheavy particles (mass greater than or similar to10(10) GeV). These particles can be detected via nuclear recoils produced in elastic scatterings from nuclei. We estimate the observable rate of strongly interacting supermassive particles (simpzillas) in direct dark matter search experiments. The simpzilla energy loss in Earth and in the experimental shields is taken into account. The most natural scenarios for simpzillas are ruled out based on recent EDELWEISS and CDMS results. The dark matter can be composed of superheavy particles only if these interact weakly with normal matter or if their mass is above 10(15) GeV.

引用

页码：4 / 221301

页数：4

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