6533b860fe1ef96bd12c3985

RESEARCH PRODUCT

Longitudinal and azimuthal evolution of two-particle transverse momentum correlations in Pb–Pb collisions at sNN=2.76TeV

T. J. HumanicRobin Albert Andre CaronJames Declan MulliganPreeti DhankherJacek Tomasz OtwinowskiZhanna KhabanovaMasanori OginoBarbara Ewa ErazmusAndrea DublaMarian KrivdaMarian KrivdaGuy PaicGiuseppe SimonettiGiuseppe SimonettiIvan RavasengaGrzegorz Andrzej WilkEugen MudnicJorn Henning PutschkeS. YanoD. A. Moreira De GodoyRalf Peter AverbeckS. BeoleRoberto DiviaS. Porteboeuf-houssaisYvonne Chiara PachmayerN. ZaviyalovA. Gomez RamirezP. F. T. MatuokaChun-lu HuangDario BerzanoC. MengkeD. Mal'kevichMatthias RichterLukas TroppAnte BilandzicG. Herrera CorralMohd Danish AzmiPeter MalzacherJ. Castillo CastellanosJamila Bashir ButtY. SibiriakClaudiu Cornel SchiauaPetr ZavadaAndrea DanuP. Ladron De GuevaraGuillaume BatigneRobert Helmut MunzerR. OravaJ. WiechulaUlrich FuchsCorrado GargiuloRoman RogalevProttoy DasPrzemyslaw KarczmarczykSuman DebFederico AntinoriOmar Vazquez RuedaChristina MarkertPrzemyslaw Stefan RokitaMarkus Konrad KohlerMohamad TarhiniCristiane JahnkeCorey James MyersA. Fernández TéllezHorst Sebastian ScheidNatalia KondratyevaMaya Hachiya ShimomuraDhruv Utpalkumar DixitA. MaireLawrence PinskyJochen KleinL. CunqueiroAndreas MorschShingo SakaiIlya SelyuzhenkovMassimo AngelettiAjay Kumar DashC. OppedisanoCatalin-lucian RisteaA. RakotozafindrabeD. S. D. AlbuquerqueXinye PengO. Villalobos BaillieChristian LippmannYue Shi LaiMateusz Andrzej PloskonStefano PianoVitaly LoginovA. C. Oliveira Da SilvaA. C. Oliveira Da SilvaSourav KunduChristian Claude KuhnShreyasi AcharyaH. AppelshäuserKetil RøedSebastian LehnerVolodymyr YurchenkoAntonija UtrobicicVictor Jose Gaston FeuillardErin Frances GaugerLuis Gustavo PereiraPascal DillensegerJan MusinskyOmbretta PinazzaAnton JuskoIvan KralikMiroslav PiknaMario SittaAlexei KhanzadeevHimani BhattY. WuYongwook BaekLidia Maria GorlichKenneth Francis ReadKenneth Francis ReadR. Alfaro MolinaG. HamarMarielle ChartierE. StenlundDagmar AdamováJacopo MarguttiAndrey ErokhinS. W. LindsayAndrey VasilievVit KuceraNeetika SharmaD. PeresunkoStefania BufalinoMartin ValaSergey NikolaevConstantinos LoizidesEugenio ScapparoneEleazar CuautleEnrico ScomparinPiotr NowakowskiAlexander SzaboFilip KrizekJ. W. HarrisEmily Jade WillsherBranislav SitarFilippo CostaRenu BalaLukasz Kamil GraczykowskiYasuo MiakeSinjini ChandraPremomoy GhoshKonstantin MikhaylovKonstantin MikhaylovPodist KurashviliSidharth Kumar PrasadAustin Robert SchmierAditya Nath MishraDebasish DasAnnalisa MastroserioValentina Mantovani SartiRanbir SinghSimon Voigt NesbøSuharyo SumowidagdoAnisa KhatunIwona Anna SputowskaNur HussainJesse Thomas BuxtonFernando Antonio FlorKjetil UllalandN. De MarcoDavide CaffarriLars BratrudA. Ortiz VelasquezNicolo' ValleBasanta Kumar NandiFrancesco RiggiPanagiota FokaStefano BagnascoM. V. IvanovPietro FecchioPanagiotis ChristakoglouChristopher Daniel AnsonMichal SefcikGualtiero VolpeEmma Gonzalez HernandezAlessandro FerrettiDmitrii NesterovA. V. KazantsevKristin Fanebust HetlandSvetlana KushpilJohannes LehrbachL. 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UsaiTulika TripathyTariq MahmoudMuqing JinSylvain ChapelandSanchari ThakurMonika Joanna JakubowskaShengkun ZhangJ. SchambachDirk HutterM. Rodríguez CahuantziM. J. KweonAnju BhasinMarko JercicKrzysztof RedlichAlexander AkindinovEjiro Naomi UmakaNorbert NovitzkyVicente GonzálezRamona LeaGilda ScioliBong-hwi LimG. A. FeofilovSomnath KarKosei YamakawaViktor RatzaLaure Marie MassacrierEsther BartschNima ZardoshtiDaniel Michael MuhlheimP. W. StankusJhuma GhoshA. HornungSabyasachi SiddhantaJasper Elias ParkkilaM. ZhalovAndrea FerreroKristjan Herlache GulbrandsenMaksim Melnik StoretvedtOleg KaravichevRinaldo RuiT. AntičićS. De PasqualeRicha GuptaFreja ThoresenC. Ceballos SanchezD. L. MihaylovJohannes Peter WesselsSudipan DeKunal GargMaximiliano PuccioRaimond SnellingsSean MurrayM. Fusco GirardY. F. RyabovB. Von HallerS. K. GhoshTomas Wilhelm SnellmanTomas Wilhelm SnellmanGuillermo Mesa PerezE. NappiOleksandr KovalenkoSusan L. SwainLucas AltenkamperLukas KreisD. BerenyiJinjin PanWadut ShaikhYanchun DingSami Sakari RasanenAshutosh PandeyA. KondratyevE. A. R. CasulaPaolo BartaliniFabian PliquettMikolaj KrzewickiK. BarthLuuk VermuntRaffaele GrossoShaji KumarMesut ArslandokC. GarabatosFiorella Maria Celeste FiondaShih-chang LeeSergey EvdokimovBiswarup PaulYuting MaAlberto MasoniRalf KeidelHarry Arthur AndrewsAli ZamanZ. ButheleziZ. ButheleziMarco MarquardChiara PintoGiuseppe TrombettaTatsuya ChujoG. Conesa BalbastrePeter Martin JacobsJon Christopher WikneGioacchino VinoA. M. GagoY. J. KwonIgor MorozovNikolai SmirnovAlberto ColluSamrangy SadhuSyed Asad HussainRaphael Noel TieulentMiljenko SuljicAlexander KlugeMarkus BallSudhir Pandurang RodeGiacomo BrunoCharles E. HughesPhilippe PillotD. HatzifotiadouDamir DevetakPredrag BuncicBaidyanath SahooLaszlo BoldizsarJ. TakahashiG. ContinShuaib Ahmad KhanG. V. MargagliottiA. B. KurepinMikhail IppolitovTeodor SiemiarczukY. MaoF. SoramelJ. S. KimAdrian Florin MechlerZubayer AhammedL. V. R. Van DoremalenCarlos Duarte GalvanBuddhadeb BhattacharjeeBoris WagnerLuca MichelettiSonia RajputV. PetráčekRuben ShahoyanAnnelies Marianne VeenVito ManzariArvind KhuntiaViktor RiabovJanka VrlakovaFranco MeddiDmitry AleksandrovPavel LarionovFranck MansoAlexandra NeaguNataliya TopilskayaTomoya TsujiRan XuJohanna StachelSilvia ArcelliChinorat KobdajStefano TrogoloSergey ShirinkinS. Vergara LimónDariusz Czeslaw MiskowiecPeter LevaiShinichi HayashiHyun-chul KimHyun-chul KimArseniy ShabanovEvgeny KarpechevTomasz TrzcinskiG. Aglieri RinellaA. FelicielloPatrick Simon ReicheltSergey NazarenkoVivek SinghGergely Gabor BarnafoldiMatthew Daniel BucklandThomas Michael CormierLokesh KumarJohan AlmeW. J. LlopeLuciano RamelloMohammad Asif BhatLucia LeardiniCvetan Valeriev CheshkovDong Jo KimRadiy IlkaevSurya Prakash PathakFouad RamiGennady ZinovjevSadhana DashDieter RøhrichPaolo CameriniSergey VoloshinFeng FanLuca BarioglioBrigitte CheynisBushra AliQ. Y. ShouPengyao CuiNicole Alice MartinCarsten KleinHua PeiD. J. KimF. BockF. BockVictor TrubnikovJulien FaivreArtem IsakovMiguel ArratiaDaniel DabrowskiMichal MeresTiziano VirgiliMarkus FaselMihaela Gabriela BesoiuPeter Zahariev HristovKen OyamaHimanshu SharmaHiroshi MurakamiSarita SahooGiuseppe MandaglioJoshua Leon KonigAnselmo MargottiP. G. KuijerAlberica ToiaXiaowen RenMagnus MagerWladyslaw Henryk TrzaskaMadalina-gabriela TarzilaPietro AntonioliLuisa CifarelliWan ChangS. BalouzaBenjamin DonigusL. A. P. MorenoChristoph MayerU. FrankenfeldJens Robert LuhderFilippo BaruffaldiSergey FilchaginMarco BregantOskari Antti Matti SaarimakiA. D. C. Bell HechavarriaA. HarlenderovaCristina BeddaF. PrinoB. PolichtchoukAbhi ModakThomas JansonJan RakSergey KiselevRahul Ramachandran NairYu. V. KharlovM. R. HaqueM. R. HaqueA. De FalcoAdrian Fereydon NassirpourP. GianottiP. Vande VyvreSonia ParmarMaria VasileiouA. M. RossiNicola ZurloVladimir KovalenkoShiming YangAdela KravcakovaStefan Thomas HeckelStefan Thomas HeckelHaidar Mas'ud AlfandaKirill LapidusAntoine Xavier LardeuxBedangadas MohantyMichael Karim HabibFatiha LehasJ. P. RevolGanesh Jagannath TambaveZoltán VargaJin-hong ParkHenner BueschingErik BrückenAdrian SevcencoStefano PanebiancoAhsan Mehmood KhanS. L. La PointeDavid H. EvansMonika Varga-kofaragoAndrea FestantiMichal SumberaA. A. P. SuaideMichael JungS. SadovskyChristopher HillsDomenico ColellaVladimir SamsonovChristine NattrassJungeol KimDiego StoccoF. CarnesecchiJ. L. Bazo AlbaC. SonccoDmitry SerebryakovNikola PoljakTorsten DahmsLee Stuart BarnbyDebojit SarkarPradip Kumar SahuPiero GiubilatoAlice Elisabeth OhlsonAlice Elisabeth OhlsonJ. 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Karasu UysalRedmer Alexander BertensA. De CaroFlorian Paul Andre DamasFlorian Paul Andre DamasD. BudnikovJeremy John WilkinsonAgneta OskarssonK. SafarikMartin PoghosyanJ. L. KlayA. RustamovBarbara JacakAlexander Philipp KalweitUliana DmitrievaHermann Franz DegenhardtRaul Arteche DiazDennis Franz WeiserMartin Andreas VolklA. MatyjaJanusz OleniaczIvan VorobyevY. BerdnikovAna VargasIonel StanVytautas VislaviciusElena BrunaMohammed HamidBrennan SchaeferAlessandro GrelliSiegfried Valentin FoertschS. R. KleinKlaus Johannes ReygersDominik VoscekMeike Charlotte DanischLi X. L.Evgeny KryshenMario KrugerFederico RonchettiMuhammad Umair NaruXing Long LiJaime NormanJaime NormanAndre MischkeN. Van Der KolkFabrizio GrosaRosario NaniaAleksey M. TikhonovM. BombaraNicola BianchiMustafa AnaamSiraj Ahmed KhanMadan M. AggarwalDimitra AndreouRoberto PreghenellaAustin Vincent HartonC. J. SchmidtA. BorissovNeelima AgrawalM. S. IslamMais Kazim Oglu SuleymanovSk Noor AlamSteffen Georg WeberE. SerradillaRoy Crawford LemmonTapan K. NayakMartino GagliardiNirbhay Kumar BeheraD. Di BariR. HaakeJana BielcikovaRobert VertesiBjarte KilengM. WinnKamil Rafal DejaPeter Graham JonesSmbat GrigoryanGvozden NeskovicRainer Martin SchickerManuel GuittiereAndrzej DeloffSolangel Rojas TorresSolangel Rojas TorresAndre AugustinusRafael Peretti PezziH. BorelM. Martinez PedreiraK. SchwedaLinda VickovicLeo Clifford GreinerNaghmeh MohammadiDavid Dobrigkeit ChinellatoDavid Olle Rickard SilvermyrMartin SchmidtPeter ChristiansenT. PeitzmannG. BocaCindy MordasiniSona PochybovaAnik GuptaAlexander AdlerFlorian HerrmannSanjib MuhuriP. RoyMarco ToppiZhuo ZhouGuido Alexander WillemsJihye SongJihye SongBharati NaikY. PestovFelix ReidtV. Chibante BarrosoRaghunath SahooValerie Ramillien BarretMichael LettrichØYstein DjuvslandB. DebjaniZhiqing ZhangRaphaelle Marie BailhacheErmanno VercellinM. A. MazzoniPeter GlasselSilvia DelsantoIrais Bautista GuzmanJoakim NystrandHendrik PoppenborgShafiq AhmadAlexander BolozdynyaIgor PshenichnovI. DasIngrid Mckibben LofnesJan FigielAlperen YuncuPiotr Jan GasikVikas SinghalAntonino ZichichiGuillaume TaillepiedMarcelo Gameiro MunhozValeria MucciforaA. G. BogdanovVladimir KaplinMarek KowalskiM. A. LisaGyula BencediPietro CorteseOliver Thomas JevonsSizar AzizGabor BiroErwann MassonE. Calvo VillarStefan KirschSergey NikulinZ. YinSyaefudin JaelaniM. O. SchmidtLaura FabbiettiDibakar BauriE. Perez LezamaMallick DukhishyamJ.a. MaresGrazia LuparelloParaskevi GanotiMohammed Al-turanyM. Van LeeuwenGoran SimatovicJulian Wojciech MyrchaArthur Willem Jean GalRainer Arno Ernst RenfordtAndrew Michael KuberaPetr NomokonovDavid HorakRashmi RaniwalaSebastian HornungClaude Andre PruneauRoberto BarberaElena BottaJerome JungPhilip HauerRabi Soto CamachoA. J. CastroR. A. Negrao De OliveiraAna Maria MarinV. GrigorievY. Corrales MoralesTomas HermanToralf Bernhard SkaaliMichael Henry OliverJ. SchukraftL. T. NeumannF. Torales-acostaG. Martínez GarcíaP. González-zamoraBruno AlessandroSudhir RaniwalaTatiana KaravichevaSandro Christian WenzelPurushottam ChakrabortyVladyslav LitichevskyiTrine Spedstad TveterIvan KiselSumit Kumar SahaFederico CindoloM. Mohisin KhanBorge Svane NielsenKrystian RoslonDavid Michael RohrArtem ShangaraevM. WeberArnon SongmoolnakSaikat BiswasArchana SharmaRishat SultanovAndrea AliciDai-mei ZhouYves Roland SchutzYves Roland SchutzCristian AndreiVenelin AnguelovEliane EppleMaciej SlupeckiPiotr Jan Konopka

subject

PhysicsNuclear and High Energy Physics010308 nuclear & particles physicsCharge (physics)01 natural sciencesUpper and lower boundsNuclear physicsMomentumAzimuthTransverse planePseudorapidity0103 physical sciencesRapidityImpact parameterNuclear Experiment010306 general physics

description

This paper presents the first measurements of the charge independent (CI) and charge dependent (CD) two-particle transverse momentum correlators G2CI and G2CD in Pb–Pb collisions at sNN=2.76TeV by the ALICE collaboration. The two-particle transverse momentum correlator G2 was introduced as a measure of the momentum current transfer between neighboring system cells. The correlators are measured as a function of pair separation in pseudorapidity (Δη) and azimuth (Δφ) and as a function of collision centrality. From peripheral to central collisions, the correlator G2CI exhibits a longitudinal broadening while undergoing a monotonic azimuthal narrowing. By contrast, G2CD exhibits a narrowing along both dimensions. These features are not reproduced by models such as HIJING and AMPT. However, the observed narrowing of the correlators from peripheral to central collisions is expected to result from the stronger transverse flow profiles produced in more central collisions and the longitudinal broadening is predicted to be sensitive to momentum currents and the shear viscosity per unit of entropy density η/s of the matter produced in the collisions. The observed broadening is found to be consistent with the hypothesized lower bound of η/s and is in qualitative agreement with values obtained from anisotropic flow measurements.

yearjournalcountryeditionlanguage
2020-10-07Physics Letters B
https://doi.org/10.1016/j.physletb.2020.135375