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• W3100961916 abstract "A bstract We propose a new physics model which has a cold dark matter candidate and can explain the b → sμ + μ − anomaly at the same time. Our model includes a scalar quark $$ tilde{q} $$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:mover> <mml:mi>q</mml:mi> <mml:mo>˜</mml:mo> </mml:mover> </mml:math> and a scalar lepton $$ tilde{ell} $$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:mover> <mml:mi>ℓ</mml:mi> <mml:mo>˜</mml:mo> </mml:mover> </mml:math> which are SU(2) L -doublet as well as a Dirac fermion N which is SU(2) L -singlet. The new particles are charged under a gauged U(1) X group which is spontaneously broken to a discrete Z 2 symmetry by a dark scalar S . The remnant Z 2 symmetry stabilizes the dark matter. Box diagrams with $$ tilde{q} $$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:mover> <mml:mi>q</mml:mi> <mml:mo>˜</mml:mo> </mml:mover> </mml:math> , $$ tilde{ell} $$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:mover> <mml:mi>ℓ</mml:mi> <mml:mo>˜</mml:mo> </mml:mover> </mml:math> , and N running inside the loop can generate the correct Wilson coefficients C 9 μ = − C 10 μ to accommodate the b → sμ + μ − anomaly while avoiding constraints such as $$ {B}_s-{overline{B}}_s $$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:msub> <mml:mi>B</mml:mi> <mml:mi>s</mml:mi> </mml:msub> <mml:mo>−</mml:mo> <mml:msub> <mml:mover> <mml:mi>B</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> <mml:mi>s</mml:mi> </mml:msub> </mml:math> mixing. The dark matter annihilation into a second generation lepton pair via t -channel $$ tilde{ell} $$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:mover> <mml:mi>ℓ</mml:mi> <mml:mo>˜</mml:mo> </mml:mover> </mml:math> -exchanging process plays an important role in producing the current dark matter relic abundance of the universe, showing a strong interplay between the flavor and dark matter physics. We also discuss dark-gauge-interaction-dominated and Higgs-portal-dominated scenarios for dark matter physics." @default.
• W3100961916 created "2020-11-23" @default.
• W3100961916 creator A5026450725 @default.
• W3100961916 creator A5030514644 @default.
• W3100961916 date "2018-11-01" @default.
• W3100961916 modified "2023-09-23" @default.
• W3100961916 title "Dark matter for b → sμ+μ− anomaly in a gauged U(1)X model" @default.
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• W3100961916 doi "https://doi.org/10.1007/jhep11(2018)054" @default.
• W3100961916 hasPublicationYear "2018" @default.
• W3100961916 type Work @default.
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• W3100961916 hasAuthorship W3100961916A5026450725 @default.
• W3100961916 hasAuthorship W3100961916A5030514644 @default.

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