Leptonic dark matter with scalar dilepton mediator

Ma, Ernest

doi:10.1142/s0217732318502267

Title: Leptonic dark matter with scalar dilepton mediator

Journal Article · Thu Nov 08 00:00:00 EST 2018 · Modern Physics Letters A

DOI:https://doi.org/10.1142/s0217732318502267· OSTI ID:1611076

Ma, Ernest ^[1]

Univ. of California, Riverside, CA (United States)

Here, a simple and elegant mechanism is proposed to resolve the problem of having a light scalar mediator for self-interacting dark matter and the resulting disruption to the cosmic microwave background (CMB) at late times by the former’s enhanced Sommerfeld production and decay. The crucial idea is to have Dirac neutrinos with the conservation of U(1) or $$Z_N$$ lepton number extended to the dark sector. The simplest scenario consists of scalar or fermion dark matter with unit lepton number accompanied by a light scalar dilepton mediator, which decays to two neutrinos

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Research Organization:: Univ. of California, Riverside, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: SC0008541

OSTI ID:: 1611076

Journal Information:: Modern Physics Letters A, Vol. 33, Issue 38; ISSN 0217-7323

Publisher:: World Scientific PublishingCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 4 works

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References (33)

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