Lepton Anomalous Magnetic Moment with Singlet-Doublet Fermion Dark Matter in Scotogenic $U(1)_{L_μ-L_τ}$ Model

Borah, Debasish; Dutta, Manoranjan; Mahapatra, Satyabrata; Sahu, Narendra

doi:10.48550/arxiv.2109.02699

Cited by 10 publications

(12 citation statements)

References 65 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…where α X = g 2 X /(4π). As shown in earlier works [44][45][46][47][48], the only allowed region where such neutral gauge boson contribution can explain muon AMM is in the sub-GeV regime with corresponding gauge coupling smaller than 10 −3 . Since we consider heavy gauge boson limit, the contribution from such neutral gauge bosons remain suppressed.…”

Section: Muon Anomalous Magnetic Momentsupporting

confidence: 61%

Anomalous Magnetic Moment and Higgs Coupling of the Muon in a Sequential U(1) Gauge Model with Dark Matter

Adhikari,

Bhat,

Borah

et al. 2021

Preprint

Self Cite

View full text Add to dashboard Cite

We study an Abelian gauge extension of the standard model with fermion families having nonuniversal gauge charges. The gauge charges and scalar content are chosen in such an anomaly-free way that only the third generation fermions receive Dirac masses via renormalisable couplings with the Higgs boson. Incorporating additional vector like fermions and scalars with appropriate U (1) charges can lead to radiative Dirac masses of first two generations with neutral fermions going in the loop being dark matter candidates. Focusing on radiative muon mass, we constrain the model from the requirement of satisfying muon mass, recently measured muon anomalous magnetic moment by the E989 experiment at Fermilab along with other experimental bounds including the large hadron collider (LHC) limits. The anomalous Higgs coupling to muon is constrained from the LHC measurements of Higgs to dimuon decay. The singlet fermion dark matter phenomenology is discussed showing the importance of both annihilation and coannihilation effects. Incorporating all bounds lead to a constrained parameter space which can be probed at different experiments.

show abstract

Section: Muon Anomalous Magnetic Momentsupporting

confidence: 61%

Anomalous Magnetic Moment and Higgs Coupling of the Muon in a Sequential U(1) Gauge Model with Dark Matter

Adhikari,

Bhat,

Borah

et al. 2021

Preprint

Self Cite

View full text Add to dashboard Cite

show abstract

“…µ,e anomalies. Such theories rely on the inclusion of vector-like lepton multiplets [34][35][36][37][38][39][40][41][42][43][44][45][46][47][48][49][50],…”

Section: )mentioning

confidence: 99%

Heavy singly charged Higgs bosons and inverse seesaw neutrinos as origins of large $(g-2)_{e,μ}$ in two higgs doublet models

Hue,

Hernández,

Long

et al. 2021

Preprint

View full text Add to dashboard Cite

We show that simple extensions of two higgs doublet models consisting of new heavy neutrinos and a singly charged Higgs boson singlet can successfully explain the experimental data on muon and electron anomalous magnetic moments thanks to large chirally-enhanced one-loop level contributions. These contributions arise from the large couplings of inverse seesaw neutrinos with singly charged Higgs bosons and right-handed charged leptons. The regions of parameter space satisfying the experimental data on (g −2) e,µ anomalies allow heavy singly charged Higgs boson masses above the TeV scale, provided that heavy neutrino masses are above few hundred GeV, the non-unitary part of the active neutrino mixing matrix must be large enough, two singly charged Higgs bosons are non degenerate, and the mixing between singly charged Higgs bosons must be non-zero.

show abstract

“…One can also address some B anomalies if one introduces more particles with nonzero U(1) Lµ−Lτ charges [42][43][44][45][46][47][48][49][50][51][52][53][54] beyond DM. In this work, we will ignore B anomalies, and consider only the ∆a µ and thermal WIMP DM.…”

Section: Introductionmentioning

confidence: 99%

Muon $(g-2)$ and Thermal WIMP DM in ${\rm U(1)}_{L_μ-L_τ} $ Models

Baek¹,

Kim²,

Ko³

2022

Preprint

View full text Add to dashboard Cite

U(1) Lµ−Lτ ≡ U(1) X model is anomaly free within the Standard Model (SM) fermion content, and can accommodate the muon (g−2) data for M Z ∼ O(10−100) MeV and gX ∼ (4−8)×10 −4 . WIMP type thermal dark matter (DM) can be also introduced for M Z ∼ 2MDM, if DM pair annihilations into the SM particles occur only through the s-channel Z exchange. In this work, we show that this tight correlation between M Z and MDM can be completely evaded both for scalar and fermionic DM, if we include the contributions from dark Higgs boson (H1). Dark Higgs boson plays a crucial role in DM phenomenology, not only for generation of dark photon mass, but also opening new channels for DM pair annihilations into the final states involving dark Higgs boson, such as dark Higgs pair as well as Z Z through dark Higgs exchange in the s-channel, and co-annihilation into Z H1 in case of inelastic DM. Thus dark Higgs boson will dissect the strong correlation M Z ∼ 2MDM, and much wider mass range is allowed for U (1)X -charged complex scalar and Dirac fermion DM, still explaining the muon (g − 2). We consider both generic U (1)X breaking as well as U(1) X → Z2 (and also into Z3 only for scalar DM case).

show abstract

Lepton Anomalous Magnetic Moment with Singlet-Doublet Fermion Dark Matter in Scotogenic $U(1)_{L_μ-L_τ}$ Model

Cited by 10 publications

References 65 publications

Anomalous Magnetic Moment and Higgs Coupling of the Muon in a Sequential U(1) Gauge Model with Dark Matter

Anomalous Magnetic Moment and Higgs Coupling of the Muon in a Sequential U(1) Gauge Model with Dark Matter

Heavy singly charged Higgs bosons and inverse seesaw neutrinos as origins of large $(g-2)_{e,μ}$ in two higgs doublet models

Muon $(g-2)$ and Thermal WIMP DM in ${\rm U(1)}_{L_μ-L_τ} $ Models

Contact Info

Product

Resources

About