Measurement of B0bar -> D(*)0 K(*)0bar BranchingFractions

Aubert, B.

Stanford Linear Accelerator Center

关键词: 43 Particle Accelerators;    Experiment-Hep,Hepex;    Decay;    Mesons;    Stanford Linear Accelerator Center Experiment-Hep,Hepex;   

DOI  :  10.2172/881119
RP-ID  :  SLAC-PUB-11806
RP-ID  :  AC02-76SF00515
RP-ID  :  881119

美国|英语

来源: UNT Digital Library

【 摘 要 】

The authors present a study of the decays {bar B}{sup 0} {yields} D{sup (*)0}{bar K}{sup (*)0} using a sample of 226 million {Upsilon}(4S) {yields} B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy e{sup +}e{sup -} collider at SLAC. They report evidence for the decay of B{sup 0} and {bar B}{sup 0} mesons to the D*{sup 0}K{sub S}{sup 0} final state with an average branching fraction {Beta}({bar B}{sup 0} {yields} D*{sup 0} {bar K}{sup 0}) {triple_bond} {Beta}({bar B}{sup 0} {yields} D*{sup 0} {bar K}{sup 0}) + {Beta}(B{sup 0} {yields} D*{sup 0}K{sup 0})/2 = (3.6 {+-} 1.2 {+-} 0.3) x 10{sup -5}.