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SUMMARY:Double longitudinal spin asymmetry of direct photons in collisions
  of longitudinally polarized protons in the NLO approximation taking into 
 account electromagnetic corrections
DTSTART;VALUE=DATE-TIME:20261030T083000Z
DTEND;VALUE=DATE-TIME:20261030T084500Z
DTSTAMP;VALUE=DATE-TIME:20261103T111928Z
UID:indico-contribution-6161@cern.ch
DESCRIPTION:Speakers: Dmitry Kruashvili (Peter the Great St.Petersburg Pol
 ytechnic University)\nThis paper presents a comparative analysis of the va
 rious contributions of subprocesses to the double longitudinal spin asymme
 try of direct photons produced in collisions of polarized protons at PHENI
 X and SPD energies in the NLO approximation\, which has not been considere
 d previously. The contributions of each subprocess and all subprocesses to
 gether are presented at energies of 510 and 27 GeV. A comparison of the ca
 lculated and experimental results at 510 GeV is presented\, demonstrating 
 good agreement. The results obtained at 27 GeV can be considered as a pred
 iction for the SPD experiment.\n\nThe work was carried out within the fram
 ework of the State assignment for conducting fundamental research (topic c
 ode FSEG-2025-0009).\n\nhttps://indico.particle.mephi.ru/event/626/contrib
 utions/6161/
LOCATION: Conference Hall 3
URL:https://indico.particle.mephi.ru/event/626/contributions/6161/
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