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Determination of αS using s-wave quarkonia decays

Published in Nuclear Physics. B, Proceedings Supplements. 1997, vol. 54A, no. 1-2, p. 247-252
Abstract αS, is determined from ϒ, J/ψ and ηc decay branching ratios. Relativistic corrections, scale dependent pQCD corrections and non-perturbative corrections derived from the ϒ or J/ψ inclusive photon spectra are included. The latter, corresponding to ‘effective gluon mass’ parameters ⋍ 1 GeV are essential for a consistent overall description of the data.
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FIELD, John. Determination of αS using s-wave quarkonia decays. In: Nuclear Physics. B, Proceedings Supplements, 1997, vol. 54A, n° 1-2, p. 247-252. doi: 10.1016/S0920-5632(97)00049-2 https://archive-ouverte.unige.ch/unige:113180

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Deposited on : 2019-01-23

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