Towards a next-to-leading logarithmic result in B {r_arrow} X{sub s}{gamma}

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Description

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}.

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6 p.

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Greub, C. & Hurth, T. August 1, 1996.

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  • Greub, C. Stanford Univ., CA (United States)
  • Hurth, T. SUNY, Stony Brook, NY (United States). Institute for Theoretical Physics

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Description

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}.

Physical Description

6 p.

Notes

INIS; OSTI as DE97006491

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  • DPF `96: meeting of the Division of Particles and Fields of the American Physical Society (APS), Minneapolis, MN (United States), 10-15 Aug 1996

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  • Other: DE97006491
  • Report No.: SLAC-PUB--7267
  • Report No.: CONF-960812--65;ITP-SB--96-46
  • Grant Number: AC03-76SF00515
  • Office of Scientific & Technical Information Report Number: 489606
  • Archival Resource Key: ark:/67531/metadc685639

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Office of Scientific & Technical Information Technical Reports

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  • August 1, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

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  • Feb. 2, 2016, 6:11 p.m.

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Greub, C. & Hurth, T. Towards a next-to-leading logarithmic result in B {r_arrow} X{sub s}{gamma}, article, August 1, 1996; Menlo Park, California. (https://digital.library.unt.edu/ark:/67531/metadc685639/: accessed May 20, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.