Search for B->pbar e nuebar X Decay using a Partial Reconstruction Method

Details Search for B->pbar e nuebar X Decay using a Partial Reconstruction Method Search for B->pbar e nuebar X Decay using a Partial Reconstruction Method

2003-04-08

arxiv.org/abs/hep-ex/0304015v1

Phys.Rev.D68:012004,2003

Physics

High Energy Physics

High Energy Physics - Experiment

15 pages postscript, also available through http://w4.lns.cornell.edu/public/CLNS, submitted to PRD

Scientific paper

10.1103/PhysRevD.68.012004

Using data collected on the Upsilon(4S) resonance and the nearby continuum by the CLEO detector at the Cornell Electron Storage Ring, we have searched for the semileptonic decay of B mesons to electron-antiproton inclusive final states. We obtain an upper limit of B(B-> pbar e nuebar X)<5.9e-4. For the b->u decay, we find an upper limit of B(B^- -> p pbar e nuebar)< 5.2e-3. All upper limits are measured at the 90% confidence level.

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