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Next-to-leading corrections to the BFKL equation from gluon and quark production
Institution:1. Budker Nuclear Physics Institute and Novosibirsk State University, 630090 Novosibirsk, Russia;2. Petersburg Nuclear Physics Institute, Gatchina, 188350 St. Petersburg, Russia;3. Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany;1. Moscow Institute of Physics and Technology, 141700, Dolgoprudny, Russia;2. Institute for Information Transmission Problems, 127051, Moscow, Russia;1. Institute of Physics, HBNI, Sachivalaya Marg, Bhubaneswar 751005, India;2. Sambalpur University, Jyoti Vihar, Burla, Sambalpur 768019, India;3. Indian Institute of Technology Indore, Simrol, Indore 453552, India;1. Laboratoire Univers et Particules de Montpellier (LUPM), CNRS-IN2P3, Case 070, Place Eugène Bataillon, 34095 - Montpellier, France;2. Institute of High-Energy Physics of Madagascar (iHEPMAD), University of Ankatso, Antananarivo 101, Madagascar
Abstract:The gluon and quark production in the quasi-multi-Regge kinematics for the final particles is considered. The differential cross section for different helicity states is calculated. Dimensional regularization is used to remove the infrared divergencies in the corresponding contributions to the BFKL equation. The other next-to-leading corrections are discussed.
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