Constraints on Extended Technicolor Models from B -> mu+ mu- X

Details Constraints on Extended Technicolor Models from B -> mu+ mu- X Constraints on Extended Technicolor Models from B -> mu+ mu- X

1993-07-20

arxiv.org/abs/hep-ph/9307310v1

Phys.Rev. D48 (1993) 3960-3962

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages and 1 figure (.ps file included), SSCL-Preprint-482, WIS-93/67/July-PH, CMU-HEP93-10

Scientific paper

10.1103/PhysRevD.48.R3960

A recent study by Randall and Sundrum shows that models of Extended Technicolor (ETC) have interesting implications on rare B decays. We extend their study to the decay B -> mu+ mu- X. ETC models with a GIM mechanism predict a decay rate that is a factor of order 30 above the Standard Model, violating the experimental upper bound by a factor of 2-4. ``Traditional" ETC models predict a decay rate that is a factor of order 4 above the Standard Model, and will be probed when an improvement in the sensitivity of experiments by a factor of order 2-4 is achieved.

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