6533b820fe1ef96bd127a345

RESEARCH PRODUCT

Measurement of transverse single-spin asymmetries forJ/ψproduction in polarizedp+pcollisions ats=200  GeV

T. IchiharaJongmin LeeRyugo S. HayanoA. Hadj HenniY. RiabovKenta ShigakiMate CsanadM. NguyenBeomkyu KimK. BoyleD. LynchTaku GunjiH. GongJ. SeeleF. KajiharaI. TserruyaAlice MignereyY. IkedaA. S. NyaninL. D'orazioS. EsumiAaron AngeramiWei XieM. NihashiRachid NouicerK. A. DreesW. A. ZajcV. BaublisA. DenisovV. CiancioloDavid D'enterriaY. TomitaD. S. JumperS. ButsykJ. G. BoissevainE. J. MannelM. NaglisS. AfanasievTakahiro FusayasuV. L. RykovT. DahmsO. DietzschM. ProisslVladimir SamsonovK. V. DharmawardaneSergey FokinYu. EfremenkoV. SinghH. IinumaS. ZhouA. P.t. PalounekTakao SakaguchiC. Klein-boesingE. T. AtomssaH. ValleAlexander MalakhovA. BaldisseriS. D. RolnickR. PakK. KaratsuC. PinkenburgS. DairakuA. D. FrawleyR. P. PisaniMasayasu IshiharaA. SterAnne Marie SicklesJ. NewbyC. L. WoodyA. BerdnikovV. S. PantuevF. MatathiasKensuke HommaD. SilvermyrE. H. KimX. JiangO. ZaudtkeJ. L. CharvetS. P. SorensenDipanwita DuttaM. IssahM. IssahT. KempelDong-hun KimH. A. GustafssonTadaaki IsobeR. A. SoltzH. BorelN. KamiharaK. S. JooE. RichardsonM. ViriusC. ZhangViktor RiabovS. HuangA. CaringiJulia VelkovskaO. ChvalaS. BatheM. Grosse PerdekampP. ConstantinS. ChernichenkoW. HolzmannW. HolzmannF. StaleyL. S. ZolinM. StepanovG. RocheY. J. MaoD. HornbackK. I. HahnT. MurakamiAgneta OskarssonY. BerdnikovM. E. ConnorsB. BassalleckSeong H. KimP. L. McgaugheyTamas Ferenc CsorgoW. J. ParkN. BorggrenC. H. ChenChristopher RosenKazuyoshi KuritaI. V. SourikovaB. LoveC. OakleyA. DreesM. HeffnerG. R. YoungY. AkibaM. MishraS. NagamiyaI. RavinovichJ. G. LajoieVaclav VrbaKlaus Johannes ReygersJ. H. KangM. KonnoHongfang LiuHongfang LiuD. E. FieldsB. V. JacakN. ApadulaJ. L. NagleM. KurosawaA. EnokizonoA. EnokizonoP. ChungP. D. BarnesA. YanovichJ. S. HaggertyM. ChiuM. ChiuA. TaranenkoKazushi MikiT. HoraguchiM. BaiM. I. NagyM. I. NagyK. OkadaB. SahlmuellerM. KasaiJ. ImrekI. J. ChoiY. OnukiBrajesh K. SinghA. KravitzD. WatanabeB. KomkovH. En'yoM. J. LeitchK. SakashitaA. G. LitvinenkoM. GoninJan RakJan RakK. O. EyserA. K. PurwarK. FujiwaraT. JonesA. GlennA. GlennH. QuNorio SaitoA. DattaY. NakamiyaPeter ChristiansenY. L. YamaguchiY. L. YamaguchiTsutomu MibeM. A. L. LeiteM. OuchidaN. MeansJ. AsaiEunja KimD. SharmaR. IchimiyaD. WinterM. MccumberR. LaceyA. V. KazantsevS. TarafdarR. Granier De CassagnacA. AdareM. D. MalikE. VznuzdaevG. BaksayD. Yu PeressounkoJason KaminS. SawadaHideki HamagakiK. AokiG. DavidP. TarjánS. N. WhiteR. BelmontEva HaslumJ. S. KapustinskyShingo SakaiA. SukhanovB. LenziV. BabintsevDeepa ThomasJ. HanksH. PereiraZhiying YouMarisilvia DonadelliR. BennettSung Keun ParkB. AzmounA. KrálG. S. KyleM. J. KweonJen-chieh PengV. BumazhnovM. KawashimaAjit Kumar MohantyY. MorinoS. P. StollJames AlexanderH. PeiZvi Hirsh CitronA. KozlovN. N. AjitanandAndry Malala RakotozafindrabeT. A. ShibataC. L. SilvaC. L. SilvaR. SetoL. TomášekY. S. LaiM. FingerR. AverbeckByung-sik HongA. Yu. SemenovS. S.e. RosendahlA. BazilevskyG. BunceH. W. Van HeckeT. SatoK. NakanoPhilippe RosnetY. J. KimTakahiro NakamuraK. HarunaK. S. SimR. TanabeD. LaytonK. WatanabeInkyu ParkJ. T. MitchellL. AphecetcheV. DzhordzhadzeAlexandre LebedevJ. GossetSenta GreeneD. M. LeeR. SeidlY. KwonY. KwonXiong WangW. E. SondheimZ. Conesa Del ValleVladislav MankoD. IvanischevR. YangK. ShojiG. GrimA. T. BasyeA. ChurynSusumu OdaK. B. LeeD. JouanW. C. ChangM. SlunečkaK. KirilukD. IsenhowerA. ToiaS. TanejaA. KissS. BelikovB. FademE. O'brienDong Jo KimDong Jo KimA. DurumI. DanchevL. MašekL. MašekP. A. RukoyatkinA. DionA. DionM. OkaK. ImaiT. NiitaHenner BueschingSteve EdwardsRushan HanX. HeCatherine Micaela SilvestreK. YamauraP. W. StankusJohannes Peter WesselsC. ValeC. ValeB. MeredithCharles MaguireB. S. ChangChristine Angela AidalaJ. KlayY. AramakiC. A. OgilvieV. PeresedovJohn HillMarcus HohlmannKiyoshi TanidaKiyoshi TanidaA. VeichtD. RoachKisung LeeT. K. HemmickYasuo MiakeAtsushi TaketaniK. M. KijimaE. KistenevToru SugitateS. YokkaichiP. LiebingTae-yeon LeeP. RuzickaL. A. Linden LevyP. MikešT. C. AwesKyoichiro OzawaT. LiškaP. LichtenwalnerJ. KosterMartin PurschkeL. KochendaAlexander MilovI. NakagawaT. EngelmoreJ. S. BokJun KikuchiFrançois FleuretXingguo LiO. DrapierFrank EllinghausE. R. KinneyD. P. MorrisonY. TanakaS. BatsouliH. MasuiA. K. DubeyS. CampbellMinghui LiuA. A. BickleyV. E. SemenovH. Al-ta'aniKenneth Francis ReadKenneth Francis ReadH. J. MoonTatsuya ChujoK. N. BarishL. BaksayS. NamS. SanoS. SanoM. L. BrooksK. DasE. P. HartouniMaya Hachiya ShimomuraY. I. MakdisiM. J. TannenbaumH. ToriiM. RosatiA. KimD. MukhopadhyayS. RembeczkiY. FukaoAlexei KhanzadeevA. A. VinogradovT. HesterE. StenlundJ. B. ChoiJiangyong JiaJiangyong JiaJiangyong JiaY. GotoJ. HamblenV-n. TramN. GrauJ. H. BhomJ. M. DurhamT. V. MoukhanovaDmitry BlauMotoi InabaE. J. DesmondR. M. WrightM. TogawaE. Vazquez-zambranoJ. ParkY. TsuchimotoY. IwanagaI. E. YushmanovR. VértesiR. VértesiJ. E. FrantzA. DeshpandeJ. YingA. FranzY. WatanabeI. YounusA. SoldatovD. KawallC. M. CamachoH. ThemannPrashant ShuklaS. F. PateKe. NakamuraJ. MurataGerd Joachim KundeI. SheinH. Al-batainehK. SedgwickC. BaumannS. KametaniC. P. SinghB. M. JohnsonV. PapavassiliouR. J. PettiA. MorrealeZ. FraenkelR. K. ChoudhuryA. IsupovC. SuireJ. SziklaiM. K. DayanandaBrian ColeM. WysockiR. S. TowellI. GarishviliF. WeiC. Y. ChiJ. JinE. M. TakaguiT. L. Thomas

subject

Quantum chromodynamicsPhysicsNuclear and High Energy PhysicsParticle physics010308 nuclear & particles physics7. Clean energy01 natural sciencesGluonNuclear physicsTransverse planeDistribution function0103 physical sciencesHigh Energy Physics::ExperimentRapidityNuclear Experiment010306 general physicsNucleonRelativistic Heavy Ion ColliderSpin-½

description

We report the first measurement of transverse single-spin asymmetries in J/psi production from transversely polarized p + p collisions at root s = 200 GeV with data taken by the PHENIX experiment in 2006 and 2008. The measurement was performed over the rapidity ranges 1.2 < vertical bar y vertical bar < 2.2 and vertical bar y vertical bar < 0.35 for transverse momenta up to 6 GeV/c. J/psi production at the Relativistic Heavy Ion Collider is dominated by processes involving initial-state gluons, and transverse single-spin asymmetries of the J/psi can provide access to gluon dynamics within the nucleon. Such asymmetries may also shed light on the long-standing question in QCD of the J/psi production mechanism. Asymmetries were obtained as a function of J/psi transverse momentum and Feynman-x, with a value of -0.086 +/- 0.026(stat) +/- 0.003(syst) in the forward region. This result suggests possible nonzero trigluon correlation functions in transversely polarized protons and, if well defined in this reaction, a nonzero gluon Sivers distribution function.

https://doi.org/10.1103/physrevd.82.112008