Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
1999-12-06
Nucl.Instrum.Meth.A446:199-207,2000
Physics
High Energy Physics
High Energy Physics - Experiment
16 pages, 8 tables, contribution to BEAUTY'99: 6th International Conference on B-Physics at Hadron Machines, Bled, Slovenia, J
Scientific paper
10.1016/S0168-9002(00)00012-7
HERA-B is a hadroproduction experiment located at DESY in Hamburg, Germany. The experiment produces B mesons and baryons by inserting thin wire targets into the halo of the proton beam circulating in the HERA storage ring. The B decays are studied to search for evidence of CP violation and constrain the angle $\beta$ and possibly $\gamma$ and $\alpha$ of the CKM unitarity triangle. The experiment also produces B_s mesons; these decays are studied to measure or constrain the mass difference $\Delta m_s$ and width difference $\Delta\Gamma_s$ between the two $B^0_s/\bar{B}_s^0$ mass eigenstates. Finally, the large number of B's produced allows HERA-B to search for rare and forbidden decays such as $B\to K^{(*)}\ell^+_1\ell^-_2$. The experiment is scheduled to begin running in early 2000.
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