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arXiv 0910.0931hep-ph
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分裂UED中的暗物质和对撞机物理

Dark Matter and Collider Physics in Split-UED

Seong Chan Park, Jing Shu

摘要:

Kaluza-Klein暗物质是宇宙额外维模型中具有吸引力的弱相互作用大质量粒子。在最近的扩展“分裂-UED”中,质量范围为600-1000 GeV的卡鲁扎-克莱因暗物质的湮灭提供了对最近观察到的Pamela,ATIC和Fermi-LAT实验中宇宙电子和正电子通量过度的极好拟合。在相同的过程中,宇宙伽马射线通量可能在300 GeV左右是显著的,因此可以通过即将到来的费米-LAT扩散伽马射线数据来观察或限制。大型强子对撞机的对撞机信号是双喷射通道中的共振和丢失能量加喷射中的大丢失能量。

英文摘要:

Kaluza-Klein dark matter is an attractive weakly interacting massive particle in universal extra dimension model. In the recent extension "split-UED", annihilation of Kaluza-Klein dark matter with a mass range 600-1000 GeV provides excellent fits to the recently observed excesses in cosmic electron and positron fluxes of Pamela, ATIC and Fermi-LAT experiments. The cosmic gamma-ray flux in the same process can be significant around 300 GeV, thus can be observed or constrained by the forthcoming Fermi-LAT diffuse gamma-ray data. The collider signal at the LHC is the resonance in the dijets channels and the large missing energy in the missing energy plus jets.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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