FIZIKA B 7 (1998) 4, 267-274

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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
aE-mail: tphr2@mahendra.iacs.res.in       bE-mail: tpvpg@mahendra.iacs.res.in

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
UDC 539.126.4

Keywords: B*- B-p0 decay, B*- B-g decay, decay widths, coupling of p0 and B- with quarks
 
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