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Measurement of K.sup.0./sup..sub.S./sub. and K.sup.∗./sup..sub.0./sub. in p+p, d+Au, and Cu+Cu collisions at √s.sub.NN./sub.=200 GeV
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SYSNO ASEP 0522653 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Measurement of K0S and K∗0 in p+p, d+Au, and Cu+Cu collisions at √sNN=200 GeV Author(s) Adare, A. (US)
Afanasiev, S. (RU)
Ajitanand, N.N. (US)
Kubart, J. (CZ)
Mašek, L. (CZ)
Mikeš, P. (CZ)
Růžička, Pavel (FZU-D)
Tomášek, Lukáš (FZU-D) RID, ORCID
Vrba, Václav (FZU-D) RID, ORCIDNumber of authors 589 Article number 054905 Source Title Physical Review C. - : American Physical Society - ISSN 2469-9985
Roč. 90, č. 5 (2014), s. 1-18Number of pages 18 s. Language eng - English Country US - United States Keywords Brookhaven RHIC Coll ; K0(S) --> 2pi0 ; K*(892)0 --> K+ pi ; 200 GeV-cms/nucleon ; experimental results Subject RIV BF - Elementary Particles and High Energy Physics OECD category Particles and field physics Method of publishing Limited access Institutional support FZU-D - RVO:68378271 UT WOS 000345253400003 EID SCOPUS 84911214672 DOI 10.1103/PhysRevC.90.054905 Annotation The PHENIX experiment at the Relativistic Heavy Ion Collider has performed a systematic study of KS0 and K*0 meson production at midrapidity in p+p,d+Au, and Cu+Cu collisions at sNN=200 GeV. The KS0 and K*0 mesons are reconstructed via their KS0→π0(→γγ)π0(→γγ) and K*0→K±π∓ decay modes, respectively. The measured transverse-momentum spectra are used to determine the nuclear modification factor of KS0 and K*0 mesons in d+Au and Cu+Cu collisions at different centralities. In the d+Au collisions, the nuclear modification factor of KS0 and K*0 mesons is almost constant as a function of transverse momentum and is consistent with unity, showing that cold-nuclear-matter effects do not play a significant role in the measured kinematic range. In Cu+Cu collisions, within the uncertainties no nuclear modification is registered in peripheral collisions. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2020 Electronic address https://doi.org/10.1103/physrevc.90.054905
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