Energy dependence of the ridge in high multiplicity proton-proton collisions

Dusling, Kevin; Tribedy, Prithwish; Venugopalan, Raju

doi:10.1103/PhysRevD.93.014034

Title: Energy dependence of the ridge in high multiplicity proton-proton collisions

Journal Article · Wed Jan 27 00:00:00 EST 2016 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.93.014034· OSTI ID:1246811

Dusling, Kevin ^[1]; Tribedy, Prithwish ^[2]; Venugopalan, Raju ^[3]

American Physical Society, Ridge, NY (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States); Univ. Heidelberg, Heidelberg (Germany)

In this study, we demonstrate that the recent measurement of azimuthally collimated, long-range rapidity (“ridge”) correlations in √s=13 TeV proton-proton (p+p) collisions by the ATLAS Collaboration at the LHC are in agreement with expectations from the color glass condensate effective theory of high-energy QCD. The observation that the integrated near-side yield as a function of multiplicity is independent of collision energy is a natural consequence of the fact that multiparticle production is driven by a single semihard saturation scale in the color glass condensate framework. We argue further that the azimuthal structure of these recent ATLAS ridge measurements strongly constrains hydrodynamic interpretations of such correlations in high-multiplicity p+p collisions.

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Research Organization:: Brookhaven National Lab. (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: SC00112704; SC0012704; AC02-05CH11231

OSTI ID:: 1246811

Alternate ID(s):: OSTI ID: 1236288

Report Number(s):: BNL-112012-2016-JA; PRVDAQ; R&D Project: 08870; KB0301020

Journal Information:: Physical Review D, Vol. 93, Issue 1; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 24 works

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