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<p>We propose an extension of the electroweak sector of the Standard Model in which the gauge group SU(2)<sub><i>L</i></sub> is promoted to SU(2)<sub>1</sub> <i>×</i> SU(2)<sub>2</sub>. This framework naturally includes a viable dark matter candidate and generates neutrino masses radiatively <i>à la Scotogenic</i>. Our scenario can be viewed as an ultraviolet extension of the Scotogenic mechanism, addressing some of its shortcomings. The resulting phenomenology may be probed through a range of experimental signatures, from precision electroweak measurements to searches for lepton flavor violation.</p>

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Scotogenic mechanism from an extended SU(2)1 × SU(2)2 × U(1)Y electroweak symmetry

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月15日

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  • Julio Leite,
  • Javier Perez-Soler,
  • Avelino Vicente

摘要

We propose an extension of the electroweak sector of the Standard Model in which the gauge group SU(2)L is promoted to SU(2)1 × SU(2)2. This framework naturally includes a viable dark matter candidate and generates neutrino masses radiatively à la Scotogenic. Our scenario can be viewed as an ultraviolet extension of the Scotogenic mechanism, addressing some of its shortcomings. The resulting phenomenology may be probed through a range of experimental signatures, from precision electroweak measurements to searches for lepton flavor violation.