Are ultrahigh energy cosmic rays a signal for supersymmetry?

被引:97
作者
Chung, DJH [1 ]
Farrar, GR
Kolb, EW
机构
[1] Univ Chicago, Dept Phys, Chicago, IL 60637 USA
[2] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
[3] Fermi Natl Accelerator Lab, NASA, Fermilab Astrophys Ctr, Batavia, IL 60510 USA
[4] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08855 USA
[5] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA
来源
PHYSICAL REVIEW D | 1998年 / 57卷 / 08期
关键词
D O I
10.1103/PhysRevD.57.4606
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We investigate the possibility that cosmic rays of energy larger than the Greisen-Zatsepin-Kuzmin cutoff are not nucleons, but a new stable, massive, hadron that appears in many extensions of the standard model. We focus primarily on the S-0, a uds-gluino bound state. The range of the S-0 through the cosmic background radiation is significantly longer than the range of nucleons, and therefore S-0's can originate from sources at cosmological distances.
引用
收藏
页码:4606 / 4613
页数:8
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