Towards a next-to-leading logarithmic result in B {r_arrow} X{sub s}{gamma}
Conference
·
OSTI ID:489606
- Stanford Univ., CA (United States)
- SUNY, Stony Brook, NY (United States). Institute for Theoretical Physics
The calculation of the O ({alpha}{sub s}) virtual corrections to the matrix element of the inclusive decay b {r_arrow} s{gamma} is reported. These contributions drastically reduce the large renormalization scale dependence of the leading logarithmic calculation. Combining these results with the preliminary result for the Wilson coefficient C{sub {gamma}} (m{sub b}) calculated recently by Chetyrkin, Misiak, and Muenz, we estimate the branching ratio to be BR(B {r_arrow} X{sub s} {gamma}) = (3.25 {plus_minus} 0.50) x 10{sup {minus}4}.
- Research Organization:
- Stanford Linear Accelerator Center, Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research, Washington, DC (United States)
- DOE Contract Number:
- AC03-76SF00515
- OSTI ID:
- 489606
- Report Number(s):
- SLAC-PUB--7267; CONF-960812--65; ITP-SB--96-46; ON: DE97006491
- Country of Publication:
- United States
- Language:
- English
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