期刊
PHYSICAL REVIEW C
卷 98, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.98.014912
关键词
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资金
- Office of Nuclear Physics in the Office of Science of the Department of Energy
- National Science Foundation
- Abilene Christian University Research Council
- Research Foundation of SUNY
- College of Arts and Sciences, Vanderbilt University (USA)
- Ministry of Education, Culture, Sports, Science, and Technology
- Japan Society for the Promotion of Science (Japan)
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (Brazil)
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (Brazil)
- Natural Science Foundation of China (People's Republic of China)
- Croatian Science Foundation (Croatia)
- Ministry of Education, Youth and Sports (Czech Republic)
- Centre National de la Recherche Scientifique (France)
- Alexander von Humboldt Stiftung (Germany)
- J. Bolyai Research Scholarship (Hungary)
- EFOP (Hungary)
- New National Excellence Program (UNKP) (Hungary)
- NKFIH (Hungary)
- OTKA (Hungary)
- Department of Atomic Energy (India)
- Department of Science and Technology (India)
- Israel Science Foundation (Israel)
- NRF of the Ministry of Education (Korea)
- Physics Department, Lahore University of Management Sciences (Pakistan)
- Ministry of Education and Science (Russia)
- VR (Sweden)
- Wallenberg Foundation (Sweden)
- U.S. Civilian Research and Development Foundation for the Independent States of the Former Soviet Union
- Hungarian American Enterprise Scholarship Fund
- US-Hungarian Fulbright Foundation
- US-Israel Binational Science Foundation
- Ministry of Science and Education (Croatia)
- Commissariat a l'Energie Atomique (France)
- Institut National de Physique Nucleaire et de Physique des Particules (France)
- Bundesministerium fur Bildung und Forschung (Germany)
- Deutscher Akademischer Austausch Dienst (Germany)
- Russian Academy of Sciences (Russia)
- Federal Agency of Atomic Energy (Russia)
We present measurements of two-particle angular correlations between high-transverse-momentum (2 < pT < 11 GeV/c) pi(0) observed at midrapidity (|eta| < 0.35) and particles produced either at forward (3.1 < eta < 3.9) or backward (-3.7 < eta < -3.1) rapidity in d + Au and p + p collisions at root s(NN) = 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 approximate to 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.
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