QCD resummation for single spin asymmetries

We study the transverse momentum dependent factorization for single spin asymmetries in Drell-Yan and semi-inclusive deep inelastic scattering processes at one-loop order. The next-to-leading order hard factors are calculated in the Ji-Ma-Yuan factorization scheme. We further derive the QCD resummat...

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Bibliographic Details
Published in:Physical review letters 2011-10, Vol.107 (15), p.152002-152002, Article 152002
Main Authors: Kang, Zhong-Bo, Xiao, Bo-Wen, Yuan, Feng
Format: Article
Language:English
Subjects:
asymmetries
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CORRELATION FUNCTIONS
DEEP INELASTIC SCATTERING
FACTORIZATION
FORM FACTORS
HADRONS
NUCLEAR PHYSICS AND RADIATION PHYSICS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
QCD
QUANTUM CHROMODYNAMICS
resummation
riken bnl research center
single
SPIN
TRANSVERSE MOMENTUM
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Summary:We study the transverse momentum dependent factorization for single spin asymmetries in Drell-Yan and semi-inclusive deep inelastic scattering processes at one-loop order. The next-to-leading order hard factors are calculated in the Ji-Ma-Yuan factorization scheme. We further derive the QCD resummation formalisms for these observables following the Collins-Soper-Sterman method. The results are expressed in terms of the collinear correlation functions from initial and/or final state hadrons coupled with the Sudakov form factor containing all order soft-gluon resummation effects. The scheme-independent coefficients are calculated up to one-loop order.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.107.152002