A Quasiparticle Transport Explanation for Collectivity in the Smallest of Collision Systems (p + p and e+e-)

Nagle, J. L.; Orjuela Koop, J.

doi:10.1016/j.nuclphysa.2018.09.005

A Quasiparticle Transport Explanation for Collectivity in the Smallest of Collision Systems (p + p and e⁺e^-)

Journal Article · Tue Jan 22 04:00:00 EST 2019 · Nuclear Physics. A

DOI:https://doi.org/10.1016/j.nuclphysa.2018.09.005· OSTI ID:1609332

Nagle, J. L. ^[1]; Orjuela Koop, J. ^[2]

Univ. of Colorado, Boulder, CO (United States); DOE/OSTI
Univ. of Colorado, Boulder, CO (United States)

The field of heavy ion physics is at a crossroads in understanding experimental signatures of collectivity in small collision systems, p + p and p(d,³ He)+A, at RHIC and the LHC. A wealth of data obtained in the latter class of asymmetric systems indicate the existence of particle emission patterns similar to those observed in larger A+A collisions [J. L. Nagle, W. A. Zajc, Small System Collectivity in Relativistic Hadron and Nuclear Collisions, arXiv:1801.03477]. This raises the question whether the same physics is responsible for these signatures in both small and large collision systems. In this talk, we present an extension of earlier studies using the quasiparticle transport model ampt to predict particle emission patterns in the smallest of collision systems, namely p + p and e⁺ e^-. The e⁺ e^- results have been previously published [ J. L. Nagle, R. Belmont, K. Hill, J. Orjuela Koop, D. V. Perepelitsa, P. Yin, Z.-W. Lin, D. McGlinchey, Minimal conditions for collectivity in and p+p collisions, Phys. Rev. C97 (2) (2018) 024909. arXiv:1707.02307, doi:10.1103/PhysRevC.97.024909] and we thus focus here on an extended set of calculations, as shown at the Quark Matter 2018 Conference.

Research Organization:: Columbia Univ., New York, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: FG02-00ER41152

OSTI ID:: 1609332

Alternate ID(s):: OSTI ID: 22889121

Journal Information:: Nuclear Physics. A, Journal Name: Nuclear Physics. A Journal Issue: C Vol. 982; ISSN 0375-9474

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

References (5)

Anisotropic parton escape is the dominant source of azimuthal anisotropy in transport models He, Liang; Edmonds, Terrence; Lin, Zi-Wei Physics Letters B, Vol. 753 https://doi.org/10.1016/j.physletb.2015.12.051	journal	February 2016
Evidence for collectivity in pp collisions at the LHC Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. Physics Letters B, Vol. 765 https://doi.org/10.1016/j.physletb.2016.12.009	journal	February 2017
Multiphase transport model for relativistic heavy ion collisions Lin, Zi-Wei; Ko, Che Ming; Li, Bao-An Physical Review C, Vol. 72, Issue 6 https://doi.org/10.1103/PhysRevC.72.064901	journal	December 2005
Measurements of long-range azimuthal anisotropies and associated Fourier coefficients for p p collisions at s = 5.02 and 13 TeV and p + Pb collisions at s NN = 5.02 TeV with the ATLAS detector Aaboud, M.; Aad, G.; Abbott, B. Physical Review C, Vol. 96, Issue 2 https://doi.org/10.1103/PhysRevC.96.024908	journal	August 2017
Minimal conditions for collectivity in e + e − and p + p collisions Nagle, J. L.; Belmont, Ron; Hill, Kurt Physical Review C, Vol. 97, Issue 2 https://doi.org/10.1103/PhysRevC.97.024909	journal	February 2018

Cited By (2)

Examination of flow and nonflow factorization methods in small collision systems Lim, S. H.; Hu, Q.; Belmont, R. Physical Review C, Vol. 100, Issue 2 https://doi.org/10.1103/physrevc.100.024908	journal	August 2019
Examination of Flow and Non-Flow Factorization Methods in Small Collision Systems Lim, S. H.; Hu, Q.; Belmont, R. arXiv https://doi.org/10.48550/arxiv.1902.11290	text	January 2019

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