Limits on Kaluza-Klein dark matter annihilation in the Sun from recent IceCube results

被引:2
|
作者
Colom i Bernadich, M. [1 ]
Perez de los Heros, C. [1 ]
机构
[1] Uppsala Univ, Dept Phys & Astron, Box 516, S-75120 Uppsala, Sweden
来源
EUROPEAN PHYSICAL JOURNAL C | 2020年 / 80卷 / 02期
关键词
COLLIDER PHENOMENOLOGY; CANDIDATES; PARTICLE; SEARCH;
D O I
10.1140/epjc/s10052-020-7708-1
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We interpret recent IceCube results on searches for dark matter accumulated in the Sun in terms of the lightest Kaluza-Klein excitation (assumed here to be the Kaluza-Klein photon, B1), obtaining improved limits on the annihilation rate in the Sun, the resulting neutrino flux at the Earth and on the B1-proton cross-sections, for B1 masses in the range 30-3000 GeV. These results improve previous results from IceCube in its 22-string configuration by up to an order of magnitude, depending on mass, but also extend the results to B1masses as low as 30 GeV.
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页数:6
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