Gluon production on two centers and the effective action approach |
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| Authors: | M A Braun L N Lipatov M Yu Salykin M I Vyazovsky |
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| Institution: | 1.St.Petersburg State University,St.Petersburg,Russia;2.St. Petersburg Nuclear Physics Institute,Gatchina,Russia;3.II Institute of Theoretical Physics,Hamburg University,Hamburg,Germany |
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| Abstract: | Application of the effective action formalism is studied for processes in which the reggeons may split. It is shown that the
gluon production on two centers is described by the contribution of the Reggeon-to-two-Reggeons-plus-Particle vertex supplemented
by certain singular contributions from the double gluon exchange. The rules for longitudinal integrations are established
from the comparison to perturbative QCD amplitude. Convenient expressions for application to the inclusive gluon production
are derived. |
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