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arXiv 0904.1165hep-ph
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来自重暗物质的反氘核

Anti-deuterons from heavy Dark Matter

Carolin B. Braeuninger, Marco Cirelli

摘要:

我们研究了反氘的流量,可以产生的湮灭在星系晕的暗物质粒子与多TeV的质量和一个大的湮灭截面,如最近的PAMELA结果所示。最小暗物质(MDM)模型就是这一类的一个例子。我们发现,通量范围内的DM候选人,湮灭主要成夸克对计划的实验,也延伸到多个GeV的范围以上的背景。相反,如果主要的湮灭通道是进入规范玻色子(例如特别是MDM情况下的W+W-),它们会被抑制并集中在太大的能量上而不能出现在背景之上。

英文摘要:

We study the fluxes of anti-deuterons that could be produced by annihilations in the galactic halo of Dark Matter particles with multi-TeV mass and a large annihilation cross section, as indicated by the recent PAMELA results. The model of Minimal Dark Matter (MDM) is an example in this category. We find that the fluxes are well within the reach of planned experiments for DM candidates that annihilate mainly into quark pairs, and also extend into the multi-GeV range above the background. They are instead suppressed and concentrated at too large energies to emerge above the background if the main annihilation channel is into gauge bosons (such as in particular W+W- in the MDM case).

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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