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Forward jet production & quantum corrections to the gluon Regge trajectory from Lipatov’s high energy effective action

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Abstract

We review Lipatov’s high energy effective action and show that it is a useful computational tool to calculate scattering amplitudes in (quasi)-multi-Regge kinematics. We explain in some detail our recent work where a novel regularization and subtraction procedure has been proposed that allows to extend the use of this effective action beyond tree level. Two examples are calculated at next-to-leading order: forward jet vertices and the gluon Regge trajectory.

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Authors and Affiliations

  1. Instituto de Física Corpuscular Consejo Superior de Investigaciones Cientfficas-Universitat de Valencia, Parc Cientific, E-46980, Paterna, Valencia, Spain

    G. Chachamis

  2. Physics Department, Brookhaven National Laboratory, Upton, NY, 11973, USA

    M. Hentschinski

  3. Instituto de Física Teórica UAM/CSIC & Universidad Autónoma de Madrid, E-28049, Madrid, Spain

    J. D. Madrigal Martínez & A. Sabio Vera

Authors
  1. G. Chachamis
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  2. M. Hentschinski
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  3. J. D. Madrigal Martínez
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  4. A. Sabio Vera
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Correspondence to G. Chachamis.

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Chachamis, G., Hentschinski, M., Madrigal Martínez, J.D. et al. Forward jet production & quantum corrections to the gluon Regge trajectory from Lipatov’s high energy effective action. Phys. Part. Nuclei 45, 788–799 (2014). https://doi.org/10.1134/S1063779614040030

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