Measurements of Multiparticle Correlations in d+Au Collisions at 200, 62.4, 39, and 19.6 GeV and p+Au Collisions at 200 GeV and Implications for Collective Behavior
Aidala, C. ; Akiba, Y. ; Alfred, M. ; Andrieux, V. ; Aoki, K. ; Apadula, N ; Oskarsson, Anders LU and Silvermyr, David LU
(2018)
In Physical Review Letters
120(6).
- Abstract
- Recently, multiparticle-correlation measurements of relativistic p/d/He3+Au, p+Pb, and even p+p collisions show surprising collective signatures. Here, we present beam-energy-scan measurements of two-, four-, and six-particle angular correlations in d+Au collisions at sNN=200, 62.4, 39, and 19.6 GeV. We also present measurements of two- and four-particle angular correlations in p+Au collisions at sNN=200 GeV. We find the four-particle cumulant to be real valued for d+Au collisions at all four energies. We also find that the four-particle cumulant in p+Au has the opposite sign as that in d+Au. Further, we find that the six-particle cumulant agrees with the four-particle cumulant in d+Au collisions at 200 GeV, indicating that nonflow effects... (More)
- Recently, multiparticle-correlation measurements of relativistic p/d/He3+Au, p+Pb, and even p+p collisions show surprising collective signatures. Here, we present beam-energy-scan measurements of two-, four-, and six-particle angular correlations in d+Au collisions at sNN=200, 62.4, 39, and 19.6 GeV. We also present measurements of two- and four-particle angular correlations in p+Au collisions at sNN=200 GeV. We find the four-particle cumulant to be real valued for d+Au collisions at all four energies. We also find that the four-particle cumulant in p+Au has the opposite sign as that in d+Au. Further, we find that the six-particle cumulant agrees with the four-particle cumulant in d+Au collisions at 200 GeV, indicating that nonflow effects are subdominant. These observations provide strong evidence that the correlations originate from the initial geometric configuration, which is then translated into the momentum distribution for all particles, commonly referred to as collectivity. © 2018 American Physical Society. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/5a801825-5b07-4420-960e-c36bcb5ea623
- author
- Aidala, C.
; Akiba, Y.
; Alfred, M.
; Andrieux, V.
; Aoki, K.
; Apadula, N
; Oskarsson, Anders
LU
and Silvermyr, David
LU
- author collaboration
- organization
- publishing date
- 2018
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Colliding beam accelerators, Germanium compounds, Lead, Angular correlations, Beam energies, Collective behavior, Geometric configurations, Measurements of, Momentum distributions, Multi-particle correlation, Scan measurement, Gold compounds
- in
- Physical Review Letters
- volume
- 120
- issue
- 6
- article number
- 062302
- publisher
- American Physical Society
- external identifiers
-
- scopus:85041893613
- pmid:29481251
- ISSN
- 1079-7114
- DOI
- 10.1103/PhysRevLett.120.062302
- language
- English
- LU publication?
- yes
- additional info
- Export Date: 21 February 2018
- id
- 5a801825-5b07-4420-960e-c36bcb5ea623
- date added to LUP
- 2018-02-21 08:34:47
- date last changed
- 2023-04-08 07:40:59
@article{5a801825-5b07-4420-960e-c36bcb5ea623,
abstract = {{Recently, multiparticle-correlation measurements of relativistic p/d/He3+Au, p+Pb, and even p+p collisions show surprising collective signatures. Here, we present beam-energy-scan measurements of two-, four-, and six-particle angular correlations in d+Au collisions at sNN=200, 62.4, 39, and 19.6 GeV. We also present measurements of two- and four-particle angular correlations in p+Au collisions at sNN=200 GeV. We find the four-particle cumulant to be real valued for d+Au collisions at all four energies. We also find that the four-particle cumulant in p+Au has the opposite sign as that in d+Au. Further, we find that the six-particle cumulant agrees with the four-particle cumulant in d+Au collisions at 200 GeV, indicating that nonflow effects are subdominant. These observations provide strong evidence that the correlations originate from the initial geometric configuration, which is then translated into the momentum distribution for all particles, commonly referred to as collectivity. © 2018 American Physical Society.}},
author = {{Aidala, C. and Akiba, Y. and Alfred, M. and Andrieux, V. and Aoki, K. and Apadula, N and Oskarsson, Anders and Silvermyr, David}},
issn = {{1079-7114}},
keywords = {{Colliding beam accelerators; Germanium compounds; Lead; Angular correlations; Beam energies; Collective behavior; Geometric configurations; Measurements of; Momentum distributions; Multi-particle correlation; Scan measurement; Gold compounds}},
language = {{eng}},
number = {{6}},
publisher = {{American Physical Society}},
series = {{Physical Review Letters}},
title = {{Measurements of Multiparticle Correlations in d+Au Collisions at 200, 62.4, 39, and 19.6 GeV and p+Au Collisions at 200 GeV and Implications for Collective Behavior}},
url = {{http://dx.doi.org/10.1103/PhysRevLett.120.062302}},
doi = {{10.1103/PhysRevLett.120.062302}},
volume = {{120}},
year = {{2018}},
}