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Particle Production at High Energy: DGLAP, BFKL and Beyond

1
Natural Sciences Department, Baruch College, New York, NY 10010, USA
2
CUNY Graduate Center, 365 Fifth Avenue, New York, NY 10016, USA
This paper is based on the talk at the 7th International Conference on New Frontiers in Physics (ICNFP 2018), Crete, Greece, 4–12 July 2018.
Universe 2019, 5(2), 64; https://doi.org/10.3390/universe5020064
Received: 1 December 2018 / Revised: 23 January 2019 / Accepted: 1 February 2019 / Published: 20 February 2019
Particle production in high energy hadronic/nuclear collisions in the Bjorken limit Q 2 , s can be described in the collinear factorization framework of perturbative Quantum ChromoDynamics (QCD). On the other hand in the Regge limit, at fixed and not too high Q 2 with s , a k factorization approach (or a generalization of it) is the appropriate framework. A new effective action approach to QCD in the Regge limit, known as the Color Glass Condensate (CGC) formalism, has been developed which allows one to investigate particle production in high energy collisions in the kinematics where collinear factorization breaks down. Here we give a brief overview of particle production in CGC framework and the evolution equation which governs energy dependence of the observables in this formalism. We show that the new evolution equation reduces to previously known evolution equations in the appropriate limits. View Full-Text
Keywords: quantum chromodynamics; small x; evolution equations; JIMWLK; BFKL; BJKP quantum chromodynamics; small x; evolution equations; JIMWLK; BFKL; BJKP
MDPI and ACS Style

Jalilian-Marian, J. Particle Production at High Energy: DGLAP, BFKL and Beyond. Universe 2019, 5, 64.

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