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2023-11-02
Measurements of charged-particle multiplicity dependence of higher-order net-proton cumulants in + collisions at 200 GeV from STAR at RHIC
STAR CollaborationM. I. AbdulhamidB. E. AboonaJ. AdamL. AdamczykJ. R. AdamsI. AggarwalM. M. AggarwalZ. AhammedE. C. AschenauerS. AslamJ. AtchisonV. BairathiJ. G. Ball CapK. BarishR. BellwiedP. BhagatA. BhasinS. BhattaS. R. BhosaleJ. BielcikJ. BielcikovaJ. D. BrandenburgC. BroodoX. Z. CaiH. CainesM. Calderón de la Barca SánchezD. CebraJ. CeskaI. ChakaberiaP. ChaloupkaB. K. ChanZ. ChangA. ChatterjeeD. ChenJ. ChenJ. H. ChenZ. ChenJ. ChengY. ChengW. ChristieX. ChuH. J. CrawfordM. CsanádG. Dale-GauA. DasI. M. DeppnerA. DhamijaP. DixitX. DongJ. L. DrachenbergE. DuckworthJ. C. DunlopJ. EngelageG. EppleyS. EsumiO. EvdokimovO. EyserR. FatemiS. FazioC. J. FengY. FengE. FinchY. FisyakF. A. FlorC. FuC. A. GagliardiT. GalatyukT. GaoF. GeurtsN. GhimireA. GibsonK. GopalX. GouD. GrosnickA. GuptaW. GurynA. HamedY. HanS. HarabaszM. D. HarastyJ. W. HarrisH. Harrison-SmithW. HeX. H. HeY. HeN. HerrmannL. HolubC. HuQ. HuY. HuH. HuangH. Z. HuangS. L. HuangT. HuangY. HuangY. HuangT. J. HumanicM. IsshikiW. W. JacobsA. JalotraC. JenaA. JentschY. JiJ. JiaC. JinX. JuE. G. JuddS. KabanaD. KalinkinK. KangD. KapukchyanK. KauderD. KeaneA. KhanalY. V. KhyzhniakD. P. KikołaD. KincsesI. KiselA. KiselevA. G. KnospeH. S. KoJ. KołaśL. K. KosarzewskiL. KumarM. C. LabonteR. LaceyJ. M. LandgrafJ. LauretA. LebedevJ. H. LeeY. H. LeungC. LiD. LiH-S. LiH. LiW. LiX. LiY. LiY. LiZ. LiX. LiangY. LiangR. LicenikT. LinY. LinM. A. LisaC. LiuG. LiuH. LiuL. LiuT. LiuX. LiuY. LiuZ. LiuT. LjubicicO. LomickyR. S. LongacreE. M. LoydT. LuJ. LuoX. F. LuoL. MaR. MaY. G. MaN. MagdyD. MallickR. ManikandhanS. MargetisC. MarkertO. MatonohaG. McNamaraO. MezhanskaK. MiS. MioduszewskiB. MohantyB. MondalM. M. MondalI. MooneyJ. MrazkovaM. I. NagyA. S. NainJ. D. NamM. NasimD. NeffJ. M. NelsonM. NieG. NigmatkulovT. NiidaR. NishitaniT. NonakaG. OdyniecA. OgawaS. OhK. OkuboB. S. PageS. PalA. PandavA. PandayT. PaniA. PaulB. PawlikD. PawlowskaC. PerkinsJ. PlutaB. R. PokhrelM. PosikT. ProtzmanV. ProzorovaN. K. PruthiM. PrzybycienJ. PutschkeZ. QinH. QiuC. RaczS. K. RadhakrishnanA. RanaR. L. RayR. ReedC. W. RobertsonM. RobotkovaM. A. Rosales AguilarD. RoyP. Roy ChowdhuryL. RuanA. K. SahooN. R. SahooH. SakoS. SalurS. SatoB. C. SchaeferW. B. SchmidkeN. SchmitzF-J. SeckJ. SegerR. SetoP. SeybothN. ShahP. V. ShanmuganathanT. ShaoM. SharmaN. SharmaR. SharmaS. R. SharmaA. I. SheikhD. ShenD. Y. ShenK. ShenS. S. ShiY. ShiQ. Y. ShouF. SiJ. SinghS. SinghaP. SinhaM. J. SkobyN. SmirnovY. SöhngenY. SongB. SrivastavaT. D. S. StanislausM. StefaniakD. J. StewartY. SuM. SumberaC. SunX. SunY. SunY. SunB. SurrowM. SvobodaZ. W. SwegerA. C. TamisA. H. TangZ. TangT. TarnowskyJ. H. ThomasA. R. TimminsD. TlustyT. TodorokiS. TrentalangeP. TribedyS. K. TripathyT. TruhlarB. A. TrzeciakO. D. TsaiC. Y. TsangZ. TuJ. TylerT. UllrichD. G. UnderwoodI. UpsalG. Van BurenJ. VanekI. VassilievV. VerkestF. VidebækS. A. VoloshinG. WangJ. S. WangJ. WangK. WangX. WangY. WangY. WangY. WangZ. WangJ. C. WebbP. C. WeidenkaffG. D. WestfallD. WielanekH. WiemanG. WilksS. W. WissinkR. WittJ. WuJ. WuX. WuX. WuB. XiZ. G. XiaoG. XieW. XieH. XuN. XuQ. H. XuY. XuY. XuZ. XuZ. XuG. YanZ. YanC. YangQ. YangS. YangY. YangZ. YeZ. YeL. YiY. YuH. ZbroszczykW. ZhaC. ZhangD. ZhangJ. ZhangS. ZhangW. ZhangX. ZhangY. ZhangY. ZhangY. ZhangY. ZhangZ. J. ZhangZ. ZhangZ. ZhangF. ZhaoJ. ZhaoM. ZhaoS. ZhouY. ZhouX. ZhuM. ZurekM. Zyzak
文献摘要
We report on the charged-particle multiplicity dependence of net-proton cumulant ratios up to sixth order from GeV + collisions at the Relativistic Heavy Ion Collider (RHIC). The measured ratios , , and decrease with increased charged-particle multiplicity and rapidity acceptance. Neither the Skellam baselines nor PYTHIA8 calculations account for the observed multiplicity dependence. In addition, the ratios and approach negative values in the highest-multiplicity events, which implies that thermalized QCD matter may be formed in + collisions.
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