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Constraints on Masses of Charged PGBs in Technicolor Model from Decay $ b \to s γ$

Cai-Dian Lu·Zhenjun Xiao
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Abstract

In this paper we calculate the contributions to the branching ratio of $B\to X_s γ$ from the charged Pseudo-Goldstone bosons appeared in one generation Technicolor model. The current $CLEO$ experimental results can eliminate large part of the parameter space in the $m(P^\pm) - m(P_8^\pm)$ plane, and specifically, one can put a strong lower bound on the masses of color octet charged PGBs $P_8^\pm$: $m(P^{\pm}_8) > 400\;GeV$ at $90\%C.L$ for free $m(P^{\pm})$.

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Cai-Dian Lu, Zhenjun Xiao. 1995-12-21. Constraints on Masses of Charged PGBs in Technicolor Model from Decay $ b \to s γ$. https://doi.org/10.1103/physrevd.53.2529

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