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arXiv 1202.6570hep-ph
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来自隐藏区的冷暗物质

Cold Dark Matter from the Hidden Sector

Paola Arias

摘要:

弱相互作用细长粒子(WISP),如隐藏光子(HP)和类轴子粒子(ALP)已被提出作为冷暗物质的候选者。它们可能是通过非热失准机制产生的,类似于冷轴子。在这次演讲中,我们回顾了HP热化的主要过程,并计算了可能作为冷暗物质种群存活到今天的参数空间。我们的研究结果是相当令人鼓舞的实验室研究在不久的将来。

英文摘要:

Weakly interacting slim particles (WISPs) such as hidden photons (HP) and axion-like particles (ALPs) have been proposed as cold dark matter candidates. They might be produced non-thermally via the misalignment mechanism, similarly to cold axions. In this talk we review the main processes of thermalisation of HP and we compute the parameter space that may survive as cold dark matter population until today. Our findings are quite encouraging for experimental searches in the laboratory in the near future.

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