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Multi-particle production in proton-nucleus collisions in the Color Glass Condensate

by Pedro Augusto Agostini Infante, Tolga Altinoluk and Nestor Armesto

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Submission summary

Authors (as registered SciPost users): Pedro Augusto Agostini Infante
Submission information
Preprint Link: scipost_202108_00006v1  (pdf)
Date accepted: 2022-02-28
Date submitted: 2021-08-03 20:13
Submitted by: Agostini Infante, Pedro Augusto
Submitted to: SciPost Physics Proceedings
Proceedings issue: 28th Annual Workshop on Deep-Inelastic Scattering (DIS) and Related Subjects (DIS2021)
Ontological classification
Academic field: Physics
  • High-Energy Physics - Phenomenology
Approach: Theoretical


We compute multi-gluon production in the Color Glass Condensate approach in dilute-dense collisions, p$A$. We include the contributions that are leading in the overlap area of the collision but keep all orders in the expansion in the number of colors. We use a form of the Lipatov vertices that leads to the Wigner function approach for the projectile previously employed, that we generalise to take into account quantum correlations in the projectile wave function. We compute four gluon correlations and we find that the second order four particle cumulant is negative, so a sensible second Fourier azimuthal coefficient can be defined.

Published as SciPost Phys. Proc. 8, 054 (2022)

Reports on this Submission

Anonymous Report 1 on 2022-2-8 (Invited Report)


Very interesting numerical results from a CGC based model. Looking forward to seeing future results.

Only procedural recommendation is to perhaps replace the "...." in the second-to-last sentence with an "etc." or something similar.

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