Journal
PHYSICAL REVIEW LETTERS
Volume 107, Issue 14, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.142301
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Funding
- Office of Nuclear Physics in the Office of Science of the Department of Energy
- National Science Foundation
- Renaissance Technologies LLC
- 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
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (Brazil)
- Natural Science Foundation of China (P.R. China)
- Ministry of Education, Youth, and Sports (Czech Republic)
- Centre National de la Recherche Scientifique
- Commissariat a l'Energie Atomique
- Institut National de Physique Nucleaire et de Physique des Particules (France)
- Ministry of Industry, Science and Tekhnologies
- 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
- Wallenberg Foundation (Sweden)
- U.S. Civilian Research and Development Foundation for the Independent States of the Former Soviet Union
- US-Hungarian Fulbright Foundation for Educational Exchange
- US-Israel Binational Science Foundation
- National Research Foundation of Korea [2006-0050686, R32-2011-000-10155-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- Grants-in-Aid for Scientific Research [22244022, 20224014, 09J00901] Funding Source: KAKEN
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We present measurements of J/psi yields in d + Au collisions at root S-NN = 200 GeV recorded by the PHENIX experiment and compare them with yields in p + p collisions at the same energy per nucleon-nucleon collision. The measurements cover a large kinematic range in J/psi rapidity (-2.2 < y < 2.4) with high statistical precision and are compared with two theoretical models: one with nuclear shadowing combined with final state breakup and one with coherent gluon saturation effects. In order to remove model dependent systematic uncertainties we also compare the data to a simple geometric model. The forward rapidity data are inconsistent with nuclear modifications that are linear or exponential in the density weighted longitudinal thickness, such as those from the final state breakup of the bound state.
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