Measurement of emission-angle anisotropy via long-range angular correlations with high- pT hadrons in d+Au and p+p collisions at s NN =200 GeV

PHENIX Collaboration

doi:10.1103/PhysRevC.98.014912

Measurement of emission-angle anisotropy via long-range angular correlations with high- pT hadrons in d+Au and p+p collisions at s NN =200 GeV

PHENIX Collaboration

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

We present measurements of two-particle angular correlations between high-transverse-momentum (2<pT<11 GeV/c) π0 observed at midrapidity (|η|<0.35) and particles produced either at forward (3.1<η<3.9) or backward (-3.7<η<-3.1) rapidity in d+Au and p+p collisions at sNN=200 GeV. The azimuthal angle correlations for particle pairs with this large rapidity gap in the Au-going direction exhibit a characteristic structure that persists up to pT≈6 GeV/c and which strongly depends on collision centrality, which is a similar characteristic to the hydrodynamical particle flow in A+A collisions. The structure is absent in the d-going direction as well as in p+p collisions, in the transverse-momentum range studied. The results indicate that the structure is shifted in the Au-going direction toward more central collisions, similar to the charged-particle pseudorapidity distributions.

Original language	English
Article number	014912
Journal	Physical Review C
Volume	98
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.98.014912
State	Published - Jul 26 2018

Funding

We thank the staff of the Collider-Accelerator and Physics Departments at Brookhaven National Laboratory and the staff of the other PHENIX participating institutions for their vital contributions. We acknowledge support from the Office of Nuclear Physics in the Office of Science of the Department of Energy, the National Science Foundation, Abilene Christian University Research Council, the Research Foundation of SUNY, and Dean of the College of Arts and Sciences, Vanderbilt University (USA); the Ministry of Education, Culture, Sports, Science, and Technology and the Japan Society for the Promotion of Science (Japan); Conselho Nacional de Desenvolvimento Científico e Tecnológico and Fundação de Amparo à Pesquisa do Estado de São Paulo (Brazil); the Natural Science Foundation of China (People's Republic of China); the Croatian Science Foundation and Ministry of Science and Education (Croatia); the Ministry of Education, Youth and Sports (Czech Republic), Centre National de la Recherche Scientifique, Commissariat à l'Énergie Atomique, and Institut National de Physique Nucléaire et de Physique des Particules (France); Bundesministerium für Bildung und Forschung, Deutscher Akademischer Austausch Dienst, and Alexander von Humboldt Stiftung (Germany); a J. Bolyai Research Scholarship, EFOP, the New National Excellence Program (ÚNKP), NKFIH, and OTKA (Hungary); the Department of Atomic Energy and Department of Science and Technology (India); the Israel Science Foundation (Israel); the Basic Science Research Program through NRF of the Ministry of Education (Korea); Physics Department, Lahore University of Management Sciences (Pakistan); the Ministry of Education and Science, Russian Academy of Sciences, Federal Agency of Atomic Energy (Russia); VR and Wallenberg Foundation (Sweden); the U.S. Civilian Research and Development Foundation for the Independent States of the Former Soviet Union, the Hungarian American Enterprise Scholarship Fund, the US-Hungarian Fulbright Foundation, and the US-Israel Binational Science Foundation.

Funders	Funder number
Abilene Christian University Research Council
Centre National de la Recherche Scientifique, Commissariat à l'Énergie Atomique
Department of Atomic Energy and Department of Science and Technology
Research Foundation of SUNY
US-Hungarian Fulbright Foundation
Wallenberg Foundation
National Science Foundation	1812377, 1712953
National Science Foundation
U.S. Department of Energy
CRDF Global
Alexander von Humboldt-Stiftung
Nuclear Physics
Vanderbilt University
Lahore University of Management Sciences
College of Arts and Sciences, Boston University
Department of Physics, Harvard University
Hungarian-American Enterprise Scholarship Fund
Deutscher Akademischer Austauschdienst
Japan Society for the Promotion of Science	15H03664
Japan Society for the Promotion of Science
Ministry of Education, Culture, Sports, Science and Technology
United States-Israel Binational Science Foundation
Fundação de Amparo à Pesquisa do Estado de São Paulo
National Natural Science Foundation of China
Ministerstvo Školství, Mládeže a Tělovýchovy
Bundesministerium für Bildung und Forschung
Russian Academy of Sciences
Ministry of Education
Haridus- ja Teadusministeerium
Hungarian Scientific Research Fund
Conselho Nacional de Desenvolvimento Científico e Tecnológico
National Research Foundation of Korea
Israel Science Foundation
Vetenskapsrådet
Hrvatska Zaklada za Znanost
Ministry of Education and Science
Nemzeti Kutatási Fejlesztési és Innovációs Hivatal
Institut National de Physique Nucléaire et de Physique des Particules
Federal Agency of Atomic Energy of the Russian Federation

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10.1103/PhysRevC.98.014912

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title = "Measurement of emission-angle anisotropy via long-range angular correlations with high- pT hadrons in d+Au and p+p collisions at s NN =200 GeV",

abstract = "We present measurements of two-particle angular correlations between high-transverse-momentum (2",

author = "{PHENIX Collaboration} and A. Adare and C. Aidala and Ajitanand, {N. N.} and Y. Akiba and H. Al-Bataineh and J. Alexander and M. Alfred and A. Angerami and K. Aoki and N. Apadula and Y. Aramaki and Atomssa, {E. T.} and R. Averbeck and Awes, {T. C.} and B. Azmoun and V. Babintsev and A. Bagoly and M. Bai and G. Baksay and L. Baksay and Barish, {K. N.} and B. Bassalleck and Basye, {A. T.} and S. Bathe and V. Baublis and C. Baumann and A. Bazilevsky and S. Belikov and R. Belmont and R. Bennett and A. Berdnikov and Y. Berdnikov and Bhom, {J. H.} and Blau, {D. S.} and M. Boer and Bok, {J. S.} and K. Boyle and Brooks, {M. L.} and J. Bryslawskyj and H. Buesching and V. Bumazhnov and G. Bunce and S. Butsyk and S. Campbell and {Canoa Roman}, V. and V. Cianciolo and I. Garishvili and Lajoie, {J. G.} and J. Newby and Read, {K. F.}",

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AU - PHENIX Collaboration

AU - Adare, A.

AU - Aidala, C.

AU - Ajitanand, N. N.

AU - Akiba, Y.

AU - Al-Bataineh, H.

AU - Alexander, J.

AU - Alfred, M.

AU - Angerami, A.

AU - Aoki, K.

AU - Apadula, N.

AU - Aramaki, Y.

AU - Atomssa, E. T.

AU - Averbeck, R.

AU - Awes, T. C.

AU - Azmoun, B.

AU - Babintsev, V.

AU - Bagoly, A.

AU - Bai, M.

AU - Baksay, G.

AU - Baksay, L.

AU - Barish, K. N.

AU - Bassalleck, B.

AU - Basye, A. T.

AU - Bathe, S.

AU - Baublis, V.

AU - Baumann, C.

AU - Bazilevsky, A.

AU - Belikov, S.

AU - Belmont, R.

AU - Bennett, R.

AU - Berdnikov, A.

AU - Berdnikov, Y.

AU - Bhom, J. H.

AU - Blau, D. S.

AU - Boer, M.

AU - Bok, J. S.

AU - Boyle, K.

AU - Brooks, M. L.

AU - Bryslawskyj, J.

AU - Buesching, H.

AU - Bumazhnov, V.

AU - Bunce, G.

AU - Butsyk, S.

AU - Campbell, S.

AU - Canoa Roman, V.

AU - Cianciolo, V.

AU - Garishvili, I.

AU - Lajoie, J. G.

AU - Newby, J.

AU - Read, K. F.

PY - 2018/7/26

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ER -

Measurement of emission-angle anisotropy via long-range angular correlations with high- pT hadrons in d+Au and p+p collisions at s NN =200 GeV

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