A clear Dark Matter gamma ray line generated by the Green-Schwarz mechanism

被引：53
|
作者：
Mambrini, Y. [1 ]
机构：
[1] Univ Paris Sud, Phys Theor Lab, F-91405 Orsay, France
来源：
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2009年 / 12期
关键词：
dark matter theory; gamma ray theory; MODEL; DENSITY; MASS;
D O I：
10.1088/1475-7516/2009/12/005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the phenomenology of a U-X (1) extension of the Standard Model where the SM particles are not charged under the new abelian group. The Green-Schwarz mechanism insures that the model is anomaly free. The erstwhile invisible dark gauge field X, even if produced with difficulty at the LHC has however a clear signature in gamma-ray telescopes. We investigate what BSM scale (which can be interpreted as a low-energy string scale) would be reachable by the FERMI/GLAST telescope after 5 years of running and show that a 2 TeV scale can be testable, which is highly competitive with the LHC.
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收藏
页数：14
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