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Helicity-Flip Off-Foward Parton Distributions of the Nucleon

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arxiv hep-ph/9801369 v2 pith:PR2JOUMX submitted 1998-01-20 hep-ph

Pervez Hoodbhoy , Xiangdong Ji This is my paper · ORCID
classification hep-ph
keywords distributionshelicity-flipnucleoncomptongluonquarkvirtualangular
verification ladder T0 review T1 audit T2 compute T3 formal
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We identify quark and gluon helicity-flip distributions defined between nucleon states of unequal momenta. The evolution of these distributions with change of renormalization scale is calculated in the leading-logarithmic approximation. The helicity-flip gluon distributions do not mix with any quark distribution and are thus a unique signature of gluons in the nucleon. Their contribution to the generalized virtual Compton process is obtained both in the form of a factorization theorem and an operator product expansion. In deeply virtual Compton scattering, they can be probed through distinct angular dependence of the cross section.

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Cited by 2 Pith papers

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  1. Conformal moments of the two-loop coefficient functions in DVCS

    hep-ph 2025-12 unverdicted novelty 7.0 of 10

    Conformal moments of the two-loop DVCS coefficient functions have been computed with a new technique.

  2. Gluon Unpolarized, Polarized, and Transversity GPDs from Lattice QCD: Lorentz-Covariant Parametrization (Part I)

    hep-lat 2024-12 conditional novelty 7.0 of 10

    A Lorentz-covariant tensor basis and projection set is constructed that isolates all eight leading-twist gluon GPDs from lattice QCD matrix elements for spin-0 and spin-1/2 hadrons.

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