期刊
PHYSICAL REVIEW LETTERS
卷 111, 期 20, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.111.202301
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
- Dean of the College of Arts and Sciences
- Vanderbilt University (U.S.)
- Ministry of Education, Culture, Sports, Science, and Technology
- Japan Society for the Promotion of Science (Japan)
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico and Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (Brazil)
- Natural Science Foundation of China (People's Republic of China)
- Ministry of Education, Youth and Sports (Czech Republic)
- Centre National de la Recherche Scientifique
- Commissariat a l'Energie Atomique, and Institut National de Physique Nucleaire et de Physique des Particules (France)
- Bundesministerium fur Bildung und Forschung
- Deutscher Akademischer Austausch Dienst
- Alexander von Humboldt Stiftung (Germany)
- Hungarian National Science Fund
- OTKA (Hungary)
- Department of Atomic Energy
- Department of Science and Technology (India)
- Israel Science Foundation (Israel)
- National Research Foundation
- Ministry Education Science and Technology (Korea)
- Ministry of Education and Science
- Russian Academy of Sciences
- Federal Agency of Atomic Energy (Russia)
- VR and Wallenberg Foundation (Sweden)
- U.S. Civilian Research and Development Foundation for the Independent States of the former Soviet Union
- U.S.-Hungarian Fulbright Foundation for Educational Exchange
- U.S.-Israel Binational Science Foundation
- Grants-in-Aid for Scientific Research [23340074] Funding Source: KAKEN
We present results for three charmonia states (psi' chi(c), and J/ psi) in d + Au collisions at vertical bar y vertical bar < 0.35 and root s(NN) = 200 GeV. We find that the modification of the psi' yield relative to that of the J/ psi scales approximately with charged particle multiplicity at midrapidity across p + A, d + Au, and A + A results from the Super Proton Synchrotron and the Relativistic Heavy Ion Collider. In large-impact-parameter collisions we observe a similar suppression for the psi' and J/ psi, while in small-impact-parameter collisions the more weakly bound psi' is more strongly suppressed. Owing to the short time spent traversing the Au nucleus, the larger psi' suppression in central events is not explained by an increase of the nuclear absorption owing to meson formation time effects.
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