Color-octet contributions for $J/ψ$ inclusive production at B factories in soft gluon factorization
An-Ping Chen,
Xiao-Bo Jin,
Yan-Qing Ma
et al.
Abstract:We have studied color-octet contributions for J/ψ inclusive production at B factories, i.e., e + e − → J/ψ( 3 P [8] J , 1 S[8] 0 ) + X non−cc , using the soft gluon factorization (SGF) approach, in which the J/ψ energy spectrum is expressed in a form of perturbatively calculable short-distance hard parts convoluted with one-dimensional soft gluon distributions (SGDs). The series of velocity corrections originated from kinematic effect can be naturally resummed in this approach. Short-distance hard parts have b… Show more
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