The calculation is presented of the αS correction to heavy quarkonium decay into scalar and pseudoscalar plus gamma. For the scalar case, the result agrees with the value previously calculated by Vysotsky. In both cases the correction brings about a substantial reduction in the rate
Nason, P. (1986). QCD radiative corrections to upsilon decay into scalar plus gamma and pseudoscalar plus gamma. PHYSICS LETTERS. SECTION B, 175(2), 223-226 [10.1016/0370-2693(86)90721-5].
QCD radiative corrections to upsilon decay into scalar plus gamma and pseudoscalar plus gamma
Nason, P.Primo
1986
Abstract
The calculation is presented of the αS correction to heavy quarkonium decay into scalar and pseudoscalar plus gamma. For the scalar case, the result agrees with the value previously calculated by Vysotsky. In both cases the correction brings about a substantial reduction in the rate
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