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QCD corrections to the weak radiative [formula omitted]-meson decay
The B → X sγ decay, which is sensitive to the top-quark mass, has become now particularly interesting as we expect a t-mass greater than 80 GeV. The QCD corrections play a relevant role, enhancing the GIM suppressed vertex: their computation presents many technical difficulties, which have led to di...
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Published in: | Physics letters. B 1990-09, Vol.248 (1), p.181-187 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | The
B
→
X
sγ
decay, which is sensitive to the top-quark mass, has become now particularly interesting as we expect a t-mass greater than 80 GeV. The QCD corrections play a relevant role, enhancing the GIM suppressed vertex: their computation presents many technical difficulties, which have led to different results in the previous literature. We have performed the calculation off-shell, in all gauges, in the leading logarithmic approximation; we confirm the strong enhancement of the QCD corrected branching ratios. |
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ISSN: | 0370-2693 1873-2445 |
DOI: | 10.1016/0370-2693(90)90036-6 |