Chiral Perturbation Theory for fDS/fD and BBS/BB
نویسندگان
چکیده
The decay constants for the D and DS mesons, denoted fD and fDS respectively, are equal in the SU(3)V limit, as are the hadronic amplitudes for BS−BS and B0−B 0 mixing. The leading SU(3)V violating contribution to (fDS/fD) and to the ratio of hadronic matrix elements relevant for BS − BS and B − B 0 mixing amplitudes are calculated in chiral perturbation theory. We discuss the formalism needed to include both meson and antimeson fields in the heavy quark effective theory. UCSD/PTH 92-05 CALT-68-1768 SSCL-Preprint-25 January 1992
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تاریخ انتشار 1992