New search for monochromatic neutrinos from dark matter decay

被引：40

作者：

El Aisati, Chaimae ^{[1
]}

Gustafsson, Michael ^{[2
]}

Hambye, Thomas ^{[1
]}

机构：

[1] Univ Libre Bruxelles, Serv Phys Theor, B-1050 Brussels, Belgium

[2] Univ Gottingen, Fac Phys, Inst Theoret Phys, D-37077 Gottingen, Germany

来源：

PHYSICAL REVIEW D | 2015年 / 92卷 / 12期

关键词：

ANNIHILATION; EMISSION; DENSITY;

D O I：

10.1103/PhysRevD.92.123515

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

From data recently reported from the IceCube telescope, we derive new bounds on the monochromatic neutrino signal produced from dark matter particle decays. In the few TeV to tens of TeV energy range, these bounds turn out to be better than previous limits by more than an order of magnitude. As a result, intensity constraints on neutrino lines at energies above a few TeV are now comparable to those on gamma-ray lines. From the same data sample, we also perform a detailed search for a neutrino line, showing that there is no significant hint for such a signal.

引用

页数：12

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