Using $b \to sγ$ to Probe Top Quark Couplings

Details Using $b \to sγ$ to Probe Top Quark Couplings Using $b \to sγ$ to Probe Top Quark Couplings

1993-05-07

arxiv.org/abs/hep-ph/9305223v1

Phys.Rev. D49 (1994) 319-322

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages plus 6 figures (available by request), LaTex, ANL-HEP-PR-93-37

Scientific paper

10.1103/PhysRevD.49.319

Possible anomalous couplings of the top-quark to on-shell photons and gluons are constrained by the recent results of the CLEO Collaboration on both inclusive and exclusive radiative $B$ decays. We find that the process \bsg\ can lead to reasonable bounds on both the anomalous electric and magnetic dipole moments of the top-quark, while essentially no limits are obtained on the corresponding chromoelectric and chromomagnetic moments, which enter the expression for the decay rate only through operator mixing.

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