Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-11-21
Commun.Theor.Phys.50:1211-1218,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 11 figures included
Scientific paper
10.1088/0253-6102/50/5/40
Following previous study, in the Littlest Higgs model (LHM), the heavy photon is supposed to be a possible dark matter candidate and its relic abundance of the heavy photon is estimated in terms of the Boltzman-Lee-Weinberg time-evolution equation. The effects of the T-parity violation is also considered. Our calculations show that when Higgs mass $M_H$ taken to be 300 GeV and don't consider T-parity violation, only two narrow ranges $133
Li Xue-Qian
Qiao Qing-Peng
Tang Jian
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