@article{04424ee6b7a94843ace373322dd8a6ee,
title = " The proton–Ω correlation function in Au + Au collisions at s NN =200GeV ",
abstract = " We present the first measurement of the proton–Ω correlation function in heavy-ion collisions for the central (0–40%) and peripheral (40–80%) Au + Au collisions at s NN =200 GeV by the STAR experiment at the Relativistic Heavy-Ion Collider (RHIC). Predictions for the ratio of peripheral collisions to central collisions for the proton–Ω correlation function are sensitive to the presence of a nucleon–Ω bound state. These predictions are based on the proton–Ω interaction extracted from (2+1)-flavor lattice QCD calculations at the physical point. The measured ratio of the proton–Ω correlation function between the peripheral (small system) and central (large system) collisions is less than unity for relative momentum smaller than 40 MeV/c. Comparison of our measured correlation ratio with theoretical calculation slightly favors a proton–Ω bound system with a binding energy of ∼ 27 MeV. ",
author = "{STAR Collaboration} and J. Adam and L. Adamczyk and Adams, {J. R.} and Adkins, {J. K.} and G. Agakishiev and Aggarwal, {M. M.} and Z. Ahammed and Ajitanand, {N. N.} and I. Alekseev and Anderson, {D. M.} and R. Aoyama and A. Aparin and D. Arkhipkin and Aschenauer, {E. C.} and Ashraf, {M. U.} and F. Atetalla and A. Attri and Averichev, {G. S.} and X. Bai and V. Bairathi and K. Barish and Bassill, {A. J.} and A. Behera and R. Bellwied and A. Bhasin and Bhati, {A. K.} and J. Bielcik and J. Bielcikova and Bland, {L. C.} and Bordyuzhin, {I. G.} and Brandenburg, {J. D.} and Brandin, {A. V.} and D. Brown and J. Bryslawskyj and I. Bunzarov and J. Butterworth and H. Caines and {Calder{\'o}n de la Barca S{\'a}nchez}, M. and Campbell, {J. M.} and D. Cebra and I. Chakaberia and P. Chaloupka and Z. Chang and Chang, {F. H.} and N. Chankova-Bunzarova and A. Chatterjee and S. Chattopadhyay and Chen, {J. H.} and M. Cherney and J. Seger",
note = "Funding Information: We thank Dr. Kenji Morita, Dr. Akira Ohnishi, Dr. Faisal Etminan and Dr. Tetsuo Hatsuda for providing the calculation and enlightening discussions. We thank the RHIC Operations Group and RCF at BNL, the NERSC Center at LBNL, and the Open Science Grid consortium for providing resources and support. This work was supported in part by the Office of Nuclear Physics within the U.S. DOE Office of Science , the U.S. National Science Foundation , the Ministry of Education and Science of the Russian Federation , National Natural Science Foundation of China , Chinese Academy of Sciences , the Ministry of Science and Technology of China ( 973 Program No. 2014CB845400 , 2015CB856900 ) and the Chinese Ministry of Education , the National Research Foundation of Korea , Czech Science Foundation and Ministry of Education, Youth and Sports of the Czech Republic, Department of Atomic Energy and Department of Science and Technology of the Government of India, the National Science Centre of Poland , the Ministry of Science, Education and Sports of the Republic of Croatia, ROSATOM of Russia and German Bundesministerium f{\"u}r Bildung, Wissenschaft, Forschung und Technologie (BMBF) and the Helmholtz Association .",
year = "2019",
month = mar,
day = "10",
doi = "10.1016/j.physletb.2019.01.055",
language = "English (US)",
volume = "790",
pages = "490--497",
journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
issn = "0370-2693",
publisher = "Elsevier",
}