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- W4386073308 abstract "Abstract Using the recently developed B -Mesogenesis scenario, we studied the semi-inclusive decays of B meson into a dark anti-baryon $$psi $$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:mi>ψ</mml:mi> </mml:math> plus any possible states X containing u / c and d / s quarks with unit baryon number. The two types of effective Lagrangians proposed by the scenario are both considered in the study. The semi-inclusive decay branching fractions of $$Brightarrow X psi $$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:mrow> <mml:mi>B</mml:mi> <mml:mo>→</mml:mo> <mml:mi>X</mml:mi> <mml:mi>ψ</mml:mi> </mml:mrow> </mml:math> are calculated by the method of heavy quark expansion, where the non-perturbative contributions from the matrix elements of dimension-5 operators are included. We obtained the branching fractions as functions of the dark anti-baryon mass. Using the experimental upper limits of the branching fractions, we presented the constraints of the coupling constants in the B -Mesogenesis scenario." @default.
- W4386073308 created "2023-08-23" @default.
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- W4386073308 date "2023-08-22" @default.
- W4386073308 modified "2023-09-26" @default.
- W4386073308 title "Semi-inclusive decays of B meson into a dark anti-baryon and baryons" @default.
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- W4386073308 doi "https://doi.org/10.1140/epjc/s10052-023-11930-z" @default.
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