Search for flavor-changing neutral current B meson decays in pp̄ collisions √s = 1.8 Te V
Physical Review Letters(1996)
Abstract
We report on a search for the flavor-changing neutral current decays B{sub d,s}{sup 0}{yields}{mu}{sup +}{mu}{sup -}, B{sup +}{yields}{mu}{sup +}{mu}{sup -}K{sup +}, and B{sup 0}{yields}{mu}{sup +}{mu}{sup -}K*{sup 0} using data from p{bar p} collisions at {radical}s= 1.8 TeV, collected with the Collider Detector at Fermilab during the 1992-1993 running period. We find no indication of such decays and we set the following 90% confidence level upper limits on branching ratios: B(B{sup 0}{yields}{mu}{sup +}{mu}{sup -})<1.6x10{sup -6}, B(B{sub s}{sup 0}{yields}{mu}{sup +}{mu}{sup -})<8.4 x 10{sup -6}, B(B{sup +}{yields}{mu}{sup +}{mu}{sup -}K{sup +})<1.0x10{sup -5}, and B(B{sup 0}{yields}{mu}{sup +}{mu}{sup -}K*{sup 0})<2.5x10{sup -5}.
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Key words
B meson,Branching fraction,Collider Detector at Fermilab,Flavor-changing neutral current,Crystallography,Physics,Particle physics
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