Rare decays B -> X-s,X-d nu(nu)over-bar and B-s,B-d -> l(+)l(-) in the topcolor-assisted technicolor model

Authors
Xiao, ZJ Jia, LQ Lu, LX Lu, GR
Citation
Zj. Xiao et al., Rare decays B -> X-s,X-d nu(nu)over-bar and B-s,B-d -> l(+)l(-) in the topcolor-assisted technicolor model, COMM TH PHY, 33(2), 2000, pp. 269-274
Citations number
33
Categorie Soggetti
Physics
Journal title
COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN journal
02536102 → ACNP
Volume
33
Issue
2
Year of publication
2000
Pages
269 - 274
Database
ISI
SICI code
0253-6102(20000315)33:2<269:RDB-XN>2.0.ZU;2-0
Abstract
We calculate the contributions to the rare decays B -->X-s,X-d v (v) over b ar and B-s,B-d --> l(+)l(-) from one-loop Z(0)-penguin diagrams in the fram ework of topcolor-assisted technicolor model. Within the parameter space, w e find that: (a) the new contribution from technipions is less than 2% of t he standard model prediction; (b) the top-pions can provide a factor of 10 to 30 enhancement to the ratios in question; (c) the topcolor-assisted tech nicolor model is consistent with the current experimental data.