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[en] We present the complete calculation of the transverse momentum distribution for the decay b → sγ. The contributions of the leading operator O7 are computed: infrared logarithms are resummed with next-to-leading accuracy according to usual techniques of resummation. Non logarithmic terms are evaluated to O(αs) by calculating one loop diagrams
Journal
Nuclear Physics. B, Proceedings Supplements; ISSN 0920-5632; 
; CODEN NPBSE7; v. 133(1-2); p. 162-165
; CODEN NPBSE7; v. 133(1-2); p. 162-165