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High Energy Physics - Phenomenology

arXiv:1603.02143 (hep-ph)
[Submitted on 7 Mar 2016]

Title:CGC/saturation approach for high energy soft interactions: $\mathbf{v_2}$ in proton-proton collisions

Authors:E. Gotsman (Tel Aviv U.), E. Levin (Tel Aviv U./UTFSM), U. Maor (Tel Aviv U.), S.Tapia (UTFSM)
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Abstract:In this paper we continue our program to construct a model for high energy soft interactions, based on the CGC/saturation approach. We demonstrate that in our model which describes diffractive physics as well as multi-particle production at high energy, the density variation mechanism leads to the value of $v_2$ which is about $60\% ÷70\%$ of the measured $v_2$. Bearing in mind that in CGC/saturation approach there are two other mechanisms present: Bose enhancement in the wave function and local anisotropy, we believe that the azimuthal long range rapidity correlations in proton-proton collisions stem from the CGC/saturation physics, and not from quark-gluon plasma production.
Comments: 21 pp., 12 figures in eps files. arXiv admin note: text overlap with arXiv:1508.04236
Subjects: High Energy Physics - Phenomenology (hep-ph)
Report number: TAUP 3007/16
Cite as: arXiv:1603.02143 [hep-ph]
  (or arXiv:1603.02143v1 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1603.02143
Journal reference: Phys. Rev. D 93, 074029 (2016)
Related DOI: https://doi.org/10.1103/PhysRevD.93.074029

Submission history

From: Eugene Levin [view email]
[v1] Mon, 7 Mar 2016 16:37:42 UTC (1,051 KB)
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