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  CDF-II W boson mass in the Dirac scotogenic model

Centelles Chulia, S., Srivastava, R., & Yadav, S. (2023). CDF-II W boson mass in the Dirac scotogenic model. Modern Physics Letters A, 38(07): 2350049. doi:10.1142/S0217732323500499.

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2206.11903.pdf (Preprint), 3MB
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2206.11903.pdf
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Centelles Chulia, Salvador1, Author           
Srivastava, Rahul, Author
Yadav, Sushant, Author
Affiliations:
1Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society, ou_904549              

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 Abstract: The Dirac scotogenic model provides an elegant mechanism which explains small
Dirac neutrino masses and neutrino mixing, with a single symmetry simultaneously
protecting the “Diracness” of the neutrinos and the stability of the dark matter candidate. Here we explore the phenomenological implications of the recent CDF-II measurement of the W boson mass in the Dirac scotogenic framework. We show that, in the scenario where the dark matter is mainly a SU (2)L scalar doublet, it can satisfy all the theoretical and experimental constraints along with the CDF-II W boson mass for the mass range of 58-86 GeV. However, unlike the Majorana scotogenic model, the Dirac version also has a “dark sector” SU (2)L singlet scalar. We show that if the singlet scalar is the lightest dark sector particle i.e. the dark matter then all neutrino physics and dark matter constraints along with the constraints from oblique S, T and U parameters can be concurrently satisfied for W boson mass in the CDF-II mass range, where the singlet dark matter mass is constrained up to around 500 GeV.

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 Dates: 2023-07-05
 Publication Status: Published online
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 Identifiers: DOI: 10.1142/S0217732323500499
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Title: Modern Physics Letters A
Source Genre: Journal
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Publ. Info: Singapore : World Scientific
Pages: - Volume / Issue: 38 (07) Sequence Number: 2350049 Start / End Page: - Identifier: ISSN: 0217-7323
CoNE: https://pure.mpg.de/cone/journals/resource/954925493936