### Session J8: Tevatron B Physics II

10:45 AM–12:21 PM, Sunday, April 17, 2005
Marriott Tampa Waterside Room: Room 4

Chair: Kaustabh Agashe

Abstract ID: BAPS.2005.APR.J8.2

### Abstract: J8.00002 : $B_c\rightarrow J/\psi+\mu^{\pm}$ decays at CDF

10:57 AM–11:09 AM

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#### Author:

Mark Hartz
(University of Pittsburgh)

We report on a study of the $B_c$ meson in the semileptonic decay mode $B_c\rightarrow J/\psi+\mu^{\pm}X$ with $J/\psi\rightarrow \mu^+\mu^-$ using 360 pb$^{-1}$ of data collected at the CDF detector during Run II of the Fermilab Tevatron. We examine the sources of background and report on the status of establishing a $B_c$ signal over the predicted background. The possible uses of the data to determine the $B_c$ lifetime, mass, and the ratio $\frac{\sigma BR(B_c\rightarrow J/\psi \mu^{\pm} X)}{\sigma BR(B^{\pm}\rightarrow J/\psi K^{\pm})}$ are discussed and some preliminary results presented.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2005.APR.J8.2