Search for the Decay $B\to D_{s1}^{+}(2536)X$

Details Search for the Decay $B\to D_{s1}^{+}(2536)X$ Search for the Decay $B\to D_{s1}^{+}(2536)X$

1997-10-23

arxiv.org/abs/hep-ex/9710023v1

Phys.Rev.D57:3847-3853,1998

Physics

High Energy Physics

High Energy Physics - Experiment

16 page postscript file, postscript file also available through http://w4.lns.cornell.edu/public/CLNS

Scientific paper

10.1103/PhysRevD.57.3847

Using data recorded by the CLEO II detector at CESR, we have searched for the decay B -> Ds1+(2536) X, where Ds1+ is the narrow P-wave D_s^+ meson with J^P=1^+. The upper limit to the inclusive branching fraction is measured to be Br(B -> Ds1+ X) < 0.95% at the 90% confidence level. This limit is small compared with the total expected B -> Dbar(*)D(*)KX rate. Assuming factorization, the Ds1+ decay constant is constrained to be f_Ds1 < 114 MeV at the 90% confidence level, which is at least 2.5 times smaller than that of Ds+.

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