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Production of pi(0) and eta mesons in U plus U collisions at root S-NN=192 GeV

Title
Production of pi(0) and eta mesons in U plus U collisions at root S-NN=192 GeV
Author
김용균
Issue Date
2020-12
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW C, v. 102, no. 6, article no. 064905, page. 1-13
Abstract
The PHENIX experiment at the Relativistic Heavy Ion Collider measured pi(0) and eta mesons at midrapidity in U + U collisions at root S-NN = 192 GeV in a wide transverse momentum range. Measurements were performed in the pi(0)(eta) -˃ gamma gamma decay modes. A strong suppression of pi(0) and eta meson production at high transverse momentum was observed in central U + U collisions relative to binary scaled p + p results. Yields of pi(0) and eta mesons measured in U + U collisions show similar suppression pattern to those measured in Au + Au collisions at root S-NN = 200 GeV for similar numbers of participant nucleons. The eta/pi(0) ratios do not show dependence on centrality or transverse momentum and are consistent with previously measured values in hadron-hadron, hadron-nucleus, nucleus-nucleus, and e(+)e(-) collisions.
URI
https://journals.aps.org/prc/abstract/10.1103/PhysRevC.102.064905https://repository.hanyang.ac.kr/handle/20.500.11754/172972
ISSN
2469-9985; 2469-9993
DOI
10.1103/PhysRevC.102.064905
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > NUCLEAR ENGINEERING(원자력공학과) > Articles
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