Eur. Phys. J. A (2018) 54: 130
https://doi.org/10.1140/epja/i2018-12568-4

Regular Article - Theoretical Physics

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

¹ Bogoliubov Laboratory of Theoretical Physics, JINR, 141980, Dubna, Russia
² National Centre for Nuclear Research (NCBJ), 00-681, Warsaw, Poland

^* e-mail: anikin@theor.jinr.ru

Received: 30 May 2018
Accepted: 5 July 2018
Published online: 8 August 2018

Abstract

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.