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<p>While Dark Matter (DM) is conventionally assumed to be chargeless, the possibility of a charged massive particle (CHAMP) as the DM particle remains alive. With phenomenological constraints on the charge being very severe, such a scenario is often sought to be dismissed, citing naturalness. Moreover, the establishment of the correct relic density is often a concern. We demonstrate here that such a (mini)charged DM can yet be realized within the clockwork paradigm, without the need to invoke unnaturally small parameters. The model is examined against constraints, theoretical and experimental, and the phenomenologically admissible parameter space is delineated. Several intriguing tests, at the LHC as well as at future direct and indirect detection experiments, are pointed out.</p>

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Return of the CHAMPs: a clockwork portal to charged dark matter

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月16日

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  • Debajyoti Choudhury,
  • Vineet K. Jha,
  • Suvam Maharana

摘要

While Dark Matter (DM) is conventionally assumed to be chargeless, the possibility of a charged massive particle (CHAMP) as the DM particle remains alive. With phenomenological constraints on the charge being very severe, such a scenario is often sought to be dismissed, citing naturalness. Moreover, the establishment of the correct relic density is often a concern. We demonstrate here that such a (mini)charged DM can yet be realized within the clockwork paradigm, without the need to invoke unnaturally small parameters. The model is examined against constraints, theoretical and experimental, and the phenomenologically admissible parameter space is delineated. Several intriguing tests, at the LHC as well as at future direct and indirect detection experiments, are pointed out.