FIZIKA B 7 (1998) 4, 267-274

B-MESON - QUARK COUPLING CONSTANT AND DECAY WIDTH OF B^*-MESON

H. RAY, H. ROUTH^a and V. P. GAUTAM^b

Theoretical Physics Department, Indian Association for the Cultivation of Science, Jadavpur, Calcutta- 700032, India
^aE-mail: [email protected]       ^bE-mail: [email protected]

Received 27 November 1998; Accepted 11 January 1999

The pion - quark coupling constant (g_{pq q}) and the B-meson - quark coupling constant (g_B^-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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