FIZIKA B 7 (1998) 4, 267-274
B-MESON - QUARK COUPLING CONSTANT AND DECAY WIDTH OF B*-MESON
H. RAY, H. ROUTHa and V. P. GAUTAMb
Theoretical Physics Department, Indian Association for the
Cultivation of Science, Jadavpur, Calcutta- 700032, India
Received 27 November 1998; Accepted 11 January 1999
The pion - quark coupling constant (gpq q) and
the B-meson - quark coupling constant (gB-qq) have been found in the
processes B*-® B-p0
and B*-® B-g.
Their decay widths have been calculated through the direct coupling of p0
and B- with quarks which are static inside B*- meson.
PACS numbers: 13.25.-k, 13.40.Hq
Keywords: B*-® B-p0
decay, B*-® B-g
decay, decay widths, coupling of p0 and B-