Gluon poles and photon distribution amplitudes in Drell-Yan-like processes

. We calculate the hadron tensor related to the photon-induced Drell-Yan process, with incoming nucleon being transversally polarised. We predict the new single spin asymmetry which probes gluon poles and which is expressed in terms of photon (both chiral-odd and chiral-even) distribution amplitudes...

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Bibliographic Details
Published in:The European physical journal. A, Hadrons and nuclei Hadrons and nuclei, 2018-08, Vol.54 (8), p.1-5, Article 130
Main Authors: Anikin, I. V., Szymanowski, L.
Format: Article
Language:English
Subjects:
Amplitudes
Hadrons
Heavy Ions
Nuclear Fusion
Nuclear Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Poles
Regular Article - Theoretical Physics
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Summary:. We calculate the hadron tensor related to the photon-induced Drell-Yan process, with incoming nucleon being transversally polarised. We predict the new single spin asymmetry which probes gluon poles and which is expressed in terms of photon (both chiral-odd and chiral-even) distribution amplitudes and chiral-odd nucleon function stemming from the nucleon transverse polarization.
ISSN:1434-6001
1434-601X
DOI:10.1140/epja/i2018-12568-4