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

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

1995-08-28

arxiv.org/abs/hep-ph/9508380v3

Phys.Rev. D53 (1996) 2529-2533

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 3 figures(uuencoded), Minor changes(Type error), to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.53.2529

In this paper we calculate the contributions to the branching ratio of $B\to X_s \gamma$ 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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