Muon 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>g</mml:mi><mml:mo>−</mml:mo><mml:mn>2</mml:mn></mml:math>
 and semileptonic 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>B</mml:mi></mml:math>
 decays in the Bélanger-Delaunay-Westhoff model with gauge kinetic mixing

Dinh, Sang Quang; Tran, Hieu Minh

doi:10.1103/physrevd.104.115009

Cited by 5 publications

(2 citation statements)

References 138 publications

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“…In the numerical analysis, we choose 〈ϕ〉 = 177 GeV and 𝑚 𝜑 𝑟 = 612 GeV that were shown to comply with constraints from other experiment measurements [6]. The dependence of the decay width on the parameter 𝜆 𝜙𝐻 is depicted in Fig.…”

Section: Decay Of New Scalar Into a Pair Of Sm-like Higgs Bosonsmentioning

confidence: 99%

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Scalar sector interactions in BDW model

Hieu,

Sang

2024

MaP

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In the Bélanger-Delaunay-Westhoff model, vectorlike fermions and a new scalar sector charged under an extra Abelian gauge symmetry are introduced to explain the flavor observables, and the muon . In this paper, we focus our study to the scalar sector of this model and the relevant interactions. The interaction terms including the exotic Yukawa, the gauge interactions, and the scalar 3-point and 4-point interactions are derived together with the corresponding Feynman rules. It is shown that the new scalar can decay into a pair of standard-model-like Higgs bosons. This channel is considered by analyzing the decay width and its parameter dependence.

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Section: Decay Of New Scalar Into a Pair Of Sm-like Higgs Bosonsmentioning

confidence: 99%

“…The mass ________ spectrum of new particles and the gauge interactions of fermions were studied [5]. It was shown [6,7] that this model is able to resolve the tensions in the flavor observables, the muon 𝑔 − 2, and the CKM anomaly [8][9][10][11][12][13][14].…”

Section: Introduction *mentioning

confidence: 99%

Scalar sector interactions in BDW model

Hieu,

Sang

2024

MaP

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On (g − 2)μ from gauged U(1)X

Greljo

Stangl

Thomsen

et al. 2022

J. High Energ. Phys.

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We investigate an economical explanation for the (g − 2)μ anomaly with a neutral vector boson from a spontaneously broken U(1)X gauge symmetry. The Standard Model fermion content is minimally extended by 3 right-handed neutrinos. Using a battery of complementary constraints, we perform a thorough investigation of the renormalizable, quark flavor-universal, vector-like U(1)X models, allowing for arbitrary kinetic mixing. Out of 419 models with integer charges not greater than ten, only 7 models are viable solutions, describing a narrow region in model space. These are either Lμ− Lτ or models with a ratio of electron to baryon number close to −2. The key complementary constraints are from the searches for nonstandard neutrino interactions. Furthermore, we comment on the severe challenges to chiral U(1)X solutions and show the severe constraints on a particularly promising such candidate.

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Reappraisal of the minimal flavoured Z′ scenario

Ray

Shaw

2023

Nuclear Physics B

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Muon g−2 and semileptonic B decays in the Bélanger-Delaunay-Westhoff model with gauge kinetic mixing

Cited by 5 publications

References 138 publications

Scalar sector interactions in BDW model

Scalar sector interactions in BDW model

On (g − 2)μ from gauged U(1)X

Reappraisal of the minimal flavoured Z′ scenario

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