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The importance of multiple scatterings in medium-induced gluon radiation

by Carlota Andres, Fabio Dominguez, Marcos Gonzalez Martinez

Submission summary

As Contributors: Marcos Gonzalez Martinez
Arxiv Link: https://arxiv.org/abs/2110.14384v3 (pdf)
Date accepted: 2022-02-28
Date submitted: 2022-02-08 10:11
Submitted by: Gonzalez Martinez, Marcos
Submitted to: SciPost Physics Proceedings
Proceedings issue: 50th International Symposium on Multiparticle Dynamics (ISMD2021)
Academic field: Physics
Specialties:
  • High-Energy Physics - Phenomenology

Abstract

In this work we disentangle the underlying physical picture of the in-medium gluon radiation process across its different energy regimes by comparing the recently obtained fully-resummed -- without any further approximations -- BDMPS-Z in-medium emission spectrum with the extensively used analytical approaches. We observe that in the high-energy regime the radiation process is dominated by a single hard scattering, while in the intermediate-energy region coherence effects among multiple scatterings are crucial. Finally, we prove that in the low-energy regime the dynamics is again controlled by a single scattering but where one must include a suppression factor accounting for the probability of not having any further scatterings.

Current status:
Publication decision taken: accept

Editorial decision: For Journal SciPost Physics Proceedings: Publish
(status: Editorial decision fixed and (if required) accepted by authors)



Submission & Refereeing History

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Resubmission 2110.14384v3 on 8 February 2022

Reports on this Submission

Anonymous Report 1 on 2022-2-16 (Invited Report)

Strengths

The presentation is clear and well-written, and comprehensible to a non-expert. Comparisons and highlighting of agreement and differences with respect to pre-existing approximations are very clear.

Weaknesses

The general context of the work and the inputs to the calculations are not clear to a non-expert, but this is not a major problem for the intended purpose, and the relevant introductory material is cited.

Report

A well-presented and clear report on an interesting development, with good comparison to previous methods.

  • validity: high
  • significance: high
  • originality: high
  • clarity: high
  • formatting: excellent
  • grammar: excellent

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