Chin. Phys. Lett.  1999, Vol. 16 Issue (2): 88-90    DOI:
Original Articles |
Rare Decays B→ Xs,d vv and Bs,d →1+1- in the Multiscale Walking Technicolor Model
XIAO Zhen-jun1,2;LU Lin-xia1;GUO Hong-kai1;LU Gong-ru1
1Department of Physics, Henan Normal University, Xinxiang 453002 2Department of Physics, Peking University, Beijing 100871
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XIAO Zhen-jun, LU Lin-xia, GUO Hong-kai et al  1999 Chin. Phys. Lett. 16 88-90
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Abstract We calculate the contributions to the rare B-decays, B→Xs,d vv and Bs,d →l+l- from the unit-charged technipions. Within the considered parameter space we find that: (a) the enhancements to the branching ratios in question can be as large as three orders of magnitude; (b) the ALEPH data of B→ Xsvv lead to strong mass bounds on mpl and mp8: mp8 ≥ 620,475 GeV for FQ = 40 GeV and mpl = 100,400 GeV, respectively; (c) the CDF data of Bs→μμ lead to a relatively weak limit: mp8 ≥ 320 GeV for FQ = 40 GeV and mpl = 200 GeV.
Keywords: 12.60.Nz      12.15.Ji      13.20.Jf     
Published: 01 February 1999
PACS:  12.60.Nz (Technicolor models)  
  12.15.Ji (Applications of electroweak models to specific processes)  
  13.20.Jf (Decays of other mesons)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y1999/V16/I2/088
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XIAO Zhen-jun
LU Lin-xia
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