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Associated production of one particle and a Drell-Yan pair in hadronic collisions

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 نشر من قبل Federico Alberto Ceccopieri
 تاريخ النشر 2010
  مجال البحث
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We propose a collinear factorization formula for the associated production of one particle and a Drell-Yan pair in hadronic collisions. It is shown that additional collinear singularities appearing in the next-to-leading order calculations that can not be factorized into parton and fragmentation functions are systematically renormalized by introducing fracture functions. Next-to-leading order coefficient functions for cross-sections double differential in the fractional energy of the identified hadron and lepton pair invariant mass are presented.



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