Supersymmetric and Kaluza-Klein particles multiple scattering in the Earth

被引：6

作者：

Albuquerque, Ivone F. M. ^{[1
,2
]}

Klein, Spencer R. ^{[3
]}

机构：

[1] Fermilab Natl Accelerator Lab, Ctr Particle Astrophys, Batavia, IL 60510 USA

[2] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil

[3] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

来源：

PHYSICAL REVIEW D | 2009年 / 80卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevD.80.015015

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Neutrino telescopes with cubic kilometer volumes have the potential to discover new particles. Among them are next to lightest supersymmetric (NLSPs) and next to lightest Kaluza-Klein (NLKPs) particles. Two NLSPs or NLKPs will transverse the detector simultaneously producing parallel charged tracks. The track separation inside the detector can be a few hundred meters. As these particles might propagate a few thousand kilometers before reaching the detector, multiple scattering could enhance the pair separation at the detector. We find that the multiple scattering will alter the separation distribution enough to increase the number of NLKP pairs separated by more than 100 meters (a reasonable experimental cut) by up to 46% depending on the NLKP mass. Vertical upcoming NLSPs will have their separation increased by 24% due to multiple scattering.

引用

页数：5

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