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Υ production in U + U collisions at sNN =193 GeV measured with the STAR experiment

Adamczyk, L.
•
Adkins, J. K.
•
Agakishiev, G.
altro
Zyzak, M.
2016
  • journal article

Periodico
PHYSICAL REVIEW C
Abstract
We present a measurement of the inclusive production of Υ mesons in U+U collisions at sNN=193 GeV at midrapidity (|y|<1). Previous studies in central Au+Au collisions at sNN=200 GeV show a suppression of Υ(1S+2S+3S) production relative to expectations from the Υ yield in p+p collisions scaled by the number of binary nucleon-nucleon collisions (Ncoll), with an indication that the Υ(1S) state is also suppressed. The present measurement extends the number of participant nucleons in the collision (Npart) by 20% compared to Au+Au collisions, and allows us to study a system with higher energy density. We observe a suppression in both the Υ(1S+2S+3S) and Υ(1S) yields in central U+U data, which consolidates and extends the previously observed suppression trend in Au+Au collisions.
DOI
10.1103/PhysRevC.94.064904
WOS
WOS:000390269900001
Archivio
http://hdl.handle.net/11368/2941914
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85015250538
http://harvest.aps.org/bagit/articles/10.1103/PhysRevC.94.064904/apsxml
Diritti
closed access
license:copyright editore
FVG url
https://arts.units.it/request-item?handle=11368/2941914
Soggetti
  • Nuclear and High Ener...

  • RHIC

  • STAR

  • meson

  • quark gluon plasma

Scopus© citazioni
15
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
17
Data di acquisizione
Mar 25, 2024
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