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Title: Self-interacting dark matter and muon (g - 2) in a gauged U ( 1 ) L μ L τ model

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3];  [4]
  1. Inst. for Basic Science (IBS), Daejeon (Korea, Republic of). Center for Theoretical Physics of the Universe
  2. Inst. for Basic Science (IBS), Daejeon (Korea, Republic of). Center for Theoretical Physics of the Universe; Univ. of Minnesota, Minneapolis, MN (United States). School of Physics and Astronomy. William I. Fine Theoretical Physics Inst.
  3. Univ. of Tokyo (Japan). Dept. of Physics
  4. Univ. of California, Riverside, CA (United States). Dept. of Physics and Astronomy

We construct a self-interacting dark matter model that could simultaneously explain the observed muon anomalous magnetic moment. It is based on a gauged U ( 1 ) L μ L τ extension of the standard model, where we introduce a vector-like pair of fermions as the dark matter candidate and a new Higgs boson to break the symmetry. The new gauge boson has a sizable contribution to muon (g - 2), while being consistent with other experimental constraints. The U ( 1 ) L μ L τ Higgs boson acts as a light force carrier, mediating dark matter self-interactions with a velocity-dependent cross section. It is large enough in galaxies to thermalize the inner halo and explain the diverse rotation curves and diminishes towards galaxy clusters. Since the light mediator dominantly decays to the U ( 1 ) L μ L τ gauge boson and neutrinos, the astrophysical and cosmological constraints are weak. We study the thermal evolution of the model in the early Universe and derive a lower bound on the gauge boson mass.

Research Organization:
Univ. of California, Riverside, CA (United States); Univ. of Minnesota, Minneapolis, MN (United States); Inst. for Basic Science (IBS), Daejeon (Korea, Republic of); Univ. of Tokyo (Japan)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF); Inst. for Basic Science (IBS) (Korea, Republic of); Japan Society for the Promotion of Science (JSPS)
Grant/Contract Number:
SC0008541; SC0011842; PHY-1748958; IBS-R018-D; JP18J10202
OSTI ID:
1505139
Journal Information:
Journal of High Energy Physics (Online), Vol. 2018, Issue 6; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 77 works
Citation information provided by
Web of Science

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Cited By (19)

Rapid Bound State Formation of Dark Matter in the Early Universe journal April 2020
Refined bounds on MeV-scale thermal dark sectors from BBN and the CMB journal January 2020
Neutrino decoupling beyond the Standard Model: CMB constraints on the Dark Matter mass with a fast and precise N eff evaluation journal February 2019
Search for muon-philic new light gauge boson at Belle II journal October 2019
Gauged $$U(1)_{L_\mu -L_\tau }$$U(1)Lμ-Lτ scotogenic model in light of $$R_{K^{(*)}}$$RK(∗) anomaly and AMS-02 positron excess journal December 2019
Displaced lepton jet signatures from self-interacting dark matter bound states journal August 2019
Search for muon-philic new light gauge boson at Belle II text January 2020
Low scale seesaw models for low scale U ( 1 ) L μ L τ symmetry journal November 2019
Rapid bound-state formation of Dark Matter in the Early Universe text January 2020
Displaced Lepton Jet Signatures from Self-Interacting Dark Matter Bound States text January 2018
Non-Standard Neutrino Interactions and Neutral Gauge Bosons text January 2018
Neutrino decoupling beyond the Standard Model: CMB constraints on the Dark Matter mass with a fast and precise $N_{\rm eff}$ evaluation text January 2018
Neutrino Tridents at DUNE text January 2019
Dark matter interactions with muons in neutron stars text January 2019
Refined Bounds on MeV-scale Thermal Dark Sectors from BBN and the CMB text January 2019
Rapid bound-state formation of Dark Matter in the Early Universe text January 2019
Predictions for the neutrino parameters in the minimal model extended by linear combination of U(1)$$_{L_e-L_\mu }$$Le-Lμ, U(1)$$_{L_\mu -L_\tau }$$Lμ-Lτ and U(1)$$_{B-L}$$B-L gauge symmetries journal January 2020
Unification of the Standard Model and Dark Matter Sectors in [SU(5)$\times$U(1)]$^4$ text January 2019
Gauged Quintessence text January 2022

Figures / Tables (5)


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