Journal
NUCLEAR PHYSICS B
Volume 874, Issue 3, Pages 720-745Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nuclphysb.2013.06.011
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Funding
- Swiss National Science Foundation (SNF) [200021-144352]
- Research Executive Agency (REA) of the European Union [PITN-GA-2010-264564]
- Swiss National Science Foundation (SNF) [200021_144352] Funding Source: Swiss National Science Foundation (SNF)
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We consider the cross section for one-particle inclusive production at high transverse momentum in hadronic collisions. We present the all-order resummation formula that controls the logarithmically-enhanced perturbative QCD contributions to the partonic cross section in the threshold region, at fixed rapidity of the observed parton (hadron). The explicit resummation up to next-to-leading logarithmic accuracy is supplemented with the computation of the general structure of the near-threshold contributions to the next-to-leading order cross section. This next-to-leading order computation allows us to extract the one-loop hard-virtual amplitude that enters into the resummation formula. This is a necessary ingredient to explicitly extend the soft-gluon resummation beyond the next-to-leading logarithmic accuracy. These results equally apply to both spin-unpolarized and spin-polarized scattering processes. (C) 2013 Elsevier B.V. All rights reserved.
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