A1 Journal article (refereed)
Rapidity dependence of initial state geometry and momentum correlations in p+Pb collisions (2022)

Schenke, B., Schlichting, S., & Singh, P. (2022). Rapidity dependence of initial state geometry and momentum correlations in p+Pb collisions. Physical Review D, 105(9), Article 094023. https://doi.org/10.1103/PhysRevD.105.094023

JYU authors or editors

Publication details

All authors or editors: Schenke, B.; Schlichting, S.; Singh, P.

Journal or series: Physical Review D

ISSN: 2470-0010

eISSN: 2470-0029

Publication year: 2022

Publication date: 20/05/2022

Volume: 105

Issue number: 9

Article number: 094023

Publisher: American Physical Society (APS)

Publication country: United States

Publication language: English

DOI: https://doi.org/10.1103/PhysRevD.105.094023

Publication open access: Not open

Publication channel open access: 

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/82560

Web address of parallel published publication (pre-print): https://arxiv.org/abs/2201.08864

Abstract

Event geometry and initial state correlations have been invoked as possible explanations of long-range azimuthal correlations observed in high-multiplicity p+p and p+Pb collisions. We study the rapidity dependence of initial state momentum correlations and event-by-event geometry in √s=5.02 TeV p+Pb collisions within the 3+1D IP-Glasma model [B. Schenke and S. Schlichting, Phys. Rev. C 94, 044907 (2016)], where the longitudinal structure is governed by Jalilian-Marian-Iancu-McLerran-Weigert-Leonidov-Kovner rapidity evolution of the incoming nuclear gluon distributions. We find that the event geometry is correlated across large rapidity intervals whereas initial state momentum correlations are relatively short-range in rapidity. Based on our results, we discuss implications for the relevance of both effects in explaining the origin of collective phenomena in small systems.

Keywords: particle physics; quark-gluon plasma

Contributing organizations

Related projects

Ministry reporting: Yes

VIRTA submission year: 2022

JUFO rating: 2