6533b857fe1ef96bd12b3976

RESEARCH PRODUCT

Neutral pion and η meson production in proton–proton collisions at s=0.9 TeV and s=7 TeV

Lijiao LiuC. OppedisanoD. VranicVitaly LoginovL. JirdenRosario NaniaMadan M. AggarwalYongwook BaekYongwook BaekM. BombaraE. Pereira De Oliveira FilhoKenneth Francis ReadJan CepilaPodist KurashviliDomenico ColellaSilvia ArcelliP. H. S. Y. JayarathnaP. H. S. Y. JayarathnaY. P. ViyogiVladimir SamsonovA. Fernández TéllezMartin PoghosyanNatalia KondratyevaMateusz Andrzej PloskonSiegfried Valentin FoertschNeetika SharmaD. PeresunkoKirill VoloshinPaul ConstantinR. A. SoltzG. ViestiAlina Gabriela GrigorasJ. H. ThomasI. GarishviliFilippo CostaOliver BuschI. OtterlundChristine NattrassI. HřivnáčováMarian IvanovMarco De PetrisJens WiechulaJens WiechulaA. G. AgocsCarlos A. SalgadoB. K. SrivastavaChristophe FurgetJean Willy Andre CleymansVolker LindenstruthJ. Mercado PérezP. La RoccaD. De GruttolaDavid Michael RohrMihai PetroviciHenning KværnøAjay Kumar DashAjay Kumar DashD. EliaBernd Stefan WindelbandVarlen GrabskiNéstor ArmestoC. Kottachchi Kankanamge DonG. StefanekVladimir NikulinMaria HaiducBoris HippolyteHaijun YangLaurent DucrouxAlexander KlugeFederico CindoloL. ŠáNdorAlexandru BercuciA. PiccottiF.f. GuberZubayer AhammedAdam Tomasz MatyjaGiacomo Vito MargagliottiC. GarabatosLuciano RamelloB. Von HallerL. Xaplanteris KarampatsosA. G. AsryanI. MartashviliFlorian PainkeI. SguraA. B. KaidalovWisla CarenaMartino GagliardiM. BogolyubskyPaolo CameriniSergey VoloshinBikash SinhaMelinda SicilianoN. GrionPietro CorteseS. LohnJuha ÄYstöIsabel DominguezHans Hjersing DalsgaardC. NygaardJ. SarkamoMaya Hachiya ShimomuraT. KalliokoskiFederico CarminatiM. Mohisin KhanDebasish DasF. PiuzAlexander KurepinI. BerceanuBorge Svane NielsenD. Di BariFabio Filippo ColamariaT. J. HumanicShingo SakaiA. J. Rubio Montero10K. ŠAfaříkHans Rudolf SchmidtHans Rudolf SchmidtP. T. HilleLinda VickovicA. VyushinPeter Zahariev HristovJihye SongJ. MidoriA. MaireAnton JuskoV. LentiS. EsumiR. A. FiniM. IrfanPaolo GiubellinoT. HaalandEleazar CuautleP. L. M. Podesta-lermaD. FabrisMarie GermainL. ManceauIvan KralikMiroslav PiknaMario SittaHans Peter BeckMartin ValaMartin ValaB. HicksS. U. ChungL. V. MalininaR. JanikIouri BelikovThomas DietelTomoya TsujiB. GrinyovUlrich FuchsJ. BánSun Kun OhRoman LietavaEugen MudnicA. MichalonDavid Dobrigkeit ChinellatoRaphaelle IchouJorn Henning PutschkeJorn Henning PutschkeDeepa ThomasMyunggeun SongN. Carlin FilhoY. MartynovGiacomo ContinC. E. Pérez LaraAlexander BorissovL. K. MangotraIonel StanIlya SelyuzhenkovE. López TorresA. KolojvariBarbara GuerzoniY. HoriA. Szanto De ToledoPeter ChristiansenT. PeitzmannAndrey ZarochentsevE. Cruz AlanizUlrich Michael FrankenfeldZ. HarmanovaT. KrawutschkeJurgen SchukraftM. LenhardtC. PajaresJ. P. CoffinMalgorzata Anna JanikM. SukhorukovAlessandro GrelliK. StrabykinChristoph BlumeAndrzej RybickiK. DasChristian LippmannChristian LippmannL. VannucciG. S. PappalardoCiprian Mihai MituP. G. KuijerWladyslaw Henryk TrzaskaR. VarmaZ. VilakaziGiuseppe SimonettiC. HadjidakisBogdan Theodor RascanuM. VajzerM. VajzerO. VikhlyantsevE. Calvo VillarY. VinogradovL. Valencia PalomoAlexander VodopyanovS. RadomskiLuciano MusaAnte BilandzicT. PawlakG. O.v. De BarrosR. WanR. WanMeidana HuangSergey NikulinJulien FaivreG. PudduPremomoy GhoshG. Conesa BalbastrePeter Martin JacobsJon Christopher WikneStefania BufalinoGiacomo BrunoMichal PetranD. HatzifotiadouJiebin LuoSatyajit JenaG.s. ShabratovaRene BrunLaszlo BoldizsarJ. TakahashiM. MaseraMarkus FaselV. AltiniFederico RonchettiRalf Peter AverbeckS. BeoleAlexandr TumkinS. SerciAndre MischkeSona PochybovaC. IvanAnik GuptaA. JacholkowskiPaola GianottiCenek ZachA. V. KazantsevLuke David HanrattyG.f. SegatoSami Sakari RasanenF. RettigMarta VerweijChiara ZampolliSara ValleroSudipan DeD. I. PatalakhaMaxime GuilbaudAndrew Marshall AdareG. De CataldoMartijn ReicherJ. Castillo CastellanosY. SibiriakM. KimL. H. González-truebaGiacomo VolpeIwona Anna SputowskaE. Perez LezamaL. JancurováMikhail IppolitovVito ManzariAlexandre Alarcon Do Passo SuaideGian Michele InnocentiJogender SainiSven GotovacPradip Kumar SahuM. KrusXing Long LiA. K. Dutta MajumdarE. FragiacomoF. Baltasar Dos Santos PedrosaJ. UlrichJ. UlrichE. Almaráz AviñaS.a. SadovskyMarkus Konrad KohlerAndrea AliciAlessandro FerrettiHåvard HelstrupJ. F. Castillo HernandezRosario TurrisiTomasz TraczykD. HaseganN. Van Der KolkIonut Christian ArseneB. PolichtchoukTakafumi NiidaKrzysztof RedlichG. M. UrciuoliJ.a. MaresM. VeldhoenR. De RooijAlessandra FantoniE. QuercighAngela BadalaArturo Alejandro Menchaca-rochaD. EmschermannM. PachrD. P. MahapatraNicola BianchiSanjib MuhuriP. RoyP. OstrowskiD. PerrinoConstantinos LoizidesK. WatanabeE. ChiavassaDai-mei ZhouW. W. JungP. KaliňákMarian PutisJørgen André LienD. SilvermyrIan Gardner BeardenYves Roland SchutzYves Roland SchutzAlexey KuryakinFilimon RoukoutakisChristian Claude KuhnL. AphecetcheF. BlancoPeter StrmenLuciana BianchiAndry Malala RakotozafindrabeAditya Nath MishraIgor PshenichnovI. DasJacek Tomasz OtwinowskiM. R. CosentinoM. R. CosentinoM. KliemantShih-chang LeeGrazia LuparelloMads Stormo NilssonParaskevi GanotiBongsoo KimNicolas BockM. MorandoBruno EspagnonAntoine Xavier LardeuxAnand Kumar DubeyA. A. VinogradovM. R. GirardAntonio UrasVladimir VecherninY. KucheriaevJ. D. Tapia TakakiA. A. RademakersSatoshi YanoR. SmakalS. Aguilar SalazarMotoi InabaSidharth Kumar PrasadDaniel BerenyiMihaela GheataH. AppelshäuserJan FigielCristian AndreiP. CerelloPaolo PaganoS. JangalTeodor SiemiarczukLee Stuart BarnbyB. V.k.s. PotukuchiVenelin AnguelovNazeer AhmadL. MassacrierC. Guerra GutierrezV. PetráčekRuben ShahoyanM. KretzJanka VrlakovaYu.n. PestovArtur Krzysztof SzostakEva SickingNicolas ArborJovan MilosevicAnkita GoswamiYou ZhouD. A. Moreira De GodoySergey NikolaevM. Van LeeuwenHyungsuk SonA. KorneevXavier Bernard LopezJaroslav BielcikMarco MontenoClaudiu Cornel SchiauaSandra MorettoPaolo MartinengoS. BoseW. YuMikhail MalaevT. C. AwesXiangrong ZhuV. R. LogginsA. Karasu UysalA. Karasu UysalC. BaumannCsaba SoosPanagiotis ChristakoglouXuan ZhangXuan ZhangG. Koyithatta MeethaleveeduPhilipp Johannes LuettigP. CrochetAlexander Philipp KalweitKyoichiro OzawaG. Tejeda MuñozOlja DordicKristjan Herlache GulbrandsenJohannes Peter WesselsJohannes Peter WesselsTrine Spedstad TveterSergio VergaraEugenio ScapparoneAnthony Robert TimminsM. EstienneK. K. LooY. Le BornecJoel Anthony MazerFrancesca BelliniAdam Ryszard KisielAdam Ryszard KisielIvan KiselI. KrausP. I. LoenneD. BudnikovIgor LakomovY. ZoccaratoAndrea DanuAra GrigoryanRamona LeaP. Ladron De GuevaraGuillaume BatigneB. H. HanT. P. SinhaHanna Paulina ZbroszczykH. A. ToriiH. A. ToriiS. SanoToru SugitateMichele FlorisS. K. PalChristian Holm ChristensenAlberto BaldisseriFilip KrizekCostin GrigorasLeonardo MilanoAnton AndronicJ. L. KlayA. R. ReolonMagnus MagerMagnus MagerEvgeny KryshenKen OyamaClaudio GeunaHelmut Oskar OeschlerHelmut Oskar OeschlerEnrichetta Maria FioreM. GallioValery PuninW. J. ParkAntonino ZichichiS.a. ZaporozhetsRenu BalaD. TlustyAdriana TelescaAlexander MamonovFengchu ZhouJean-yves GrossiordPhilippe PillotL. CunqueiroM. Spyropoulou-stassinakiMarcelo Gameiro MunhozL. CifarelliL. CifarelliValeria MucciforaS. H. KimPietro AntonioliM. A. Subieta VásquezW. PerytC. TagridisR. Baldini FerroliEwa Gladysz-dziadusKyong Sei LeeJan RakM. HartigSabyasachi SiddhantaD. M. Madagodahettige-donCvetan Valeriev CheshkovCvetan Valeriev CheshkovS. SharmaVladimir KaplinM. E. CotalloAndrei Ionut HerghelegiuHeiko EngelRoberto PreghenellaM. R. Dutta MajumdarKathrin KochI. IlkivD. S. HwangSerhiy SenyukovSerhiy SenyukovE. SerradillaPatrick Simon ReicheltL. RiccatiSergey NazarenkoA. De CaroGaute ØVrebekkP. Di NezzaYu. V. KharlovAlberto MasoniD. R. GangadharanH. León VargasEdmundo Javier Garcia-solisP. G. InnocentiS. YasnopolskiyS. NavinJ. S. RealCristina TerrevoliBastian BathenZ. ButheleziHenrik QvigstadMarek KowalskiFriederike BockFiorella FiondaY. MaoY. MaoM. C. S. WilliamsM. PeralesArturo TauroJ. S. KimF. ScarlassaraAnnalisa MastroserioJan Fiete Grosse-oetringhausM. NicassioJana BielcikovaM. A. LisaK. MaE. NappiSebastian KalcherIgor AltsybeevJ. ThäderM. HeideGennady ZinovjevSadhana DashDieter RøhrichV. DemanovBetty AbelevJeewon SeoC. Di GiglioBjarte KilengK. ShtejerC. BortolinBrigitte CheynisSeyong KimRama Chandra BaralDmitry Mal'kevichAlex HansenM. CherneyThomas Michael CormierMikhail StolpovskiyPeter Graham JonesHannes JungA. MussoSmbat GrigoryanPascal DupieuxAndrea DaineseSergey FokinAndrew IvanovC. SøgaardRainer Martin SchickerV. KushpilAndrzej DeloffV. GrigorievY. Corrales MoralesMichele CaselleP. PetrovTorsten AltH. LeónElisa IncaniA. WilkD. FeleaJ. BookAndre AugustinusHans MullerS. Di LibertoToralf Bernhard SkaaliHideki HamagakiGunnar LøvhøidenF. SoramelAlexis Jean-michel MasEvgeny KarpechevG. Aglieri RinellaMarek ChojnackiG. Martínez GarcíaHerve BorelH. SakaguchiAnselmo MargottiM. FragkiadakisB. PastirčákP. González-zamoraBruno AlessandroH. CainesSudhir RaniwalaTatiana KaravichevaV. KakoyanRainer Arno Ernst RenfordtPetr NomokonovJuyeon YiUdo KebschullUdo KebschullRashmi RaniwalaClaude Andre PruneauRoberto BarberaZhongbao YinR. GrajcarekS. HuberRajeev SinghAna Maria MarinDayong WangD. PeriniStefano PianoA. NyathaVardanush PapikyanR. Alfaro MolinaR. ScottDagmar AdamováMarian KrivdaMarian KrivdaGrzegorz Andrzej WilkMatthias RichterG. Herrera CorralLawrence PinskyJochen KleinF. BossúSergey KiselevAndreas MorschA. PalmeriUwe WesterhoffA. PesciJ. W. HarrisA. RachevskiSilvia MasciocchiKenta ShigakiMichael Linus KnichelRenaud VernetC. Klein-bösingMassimiliano MarchisoneA. S. NyaninKilian Eberhard SchwarzC. D. AnsonStefan Thomas HeckelBedangadas MohantyTatjana SusaH. J. JangA. NedosekinO. Villalobos BaillieT.m. SteinbeckR. A. RicciK. PolákN. PitzV. P. KondratievStefan KirschStefan KirschT. BreitnerAndrey VasilievV. Chibante BarrosoV. WagnerValerie Ramillien BarretA. De FalcoE. G. FerreiroM. WildeA.g. FedunovSteffen SchreinerEnrico ScomparinAdrian SevcencoP. Vande VyvreA. Ahmad MasoodiT. HoraguchiA. Martínez DavalosMaria VasileiouFabrizio CoccettiA. M. RossiV. PaticchioRaphaelle Marie BailhacheShiming YangMichal SumberaErmanno VercellinI. S. ZguraM. A. MazzoniArtem KonevskikhKalliopi KanakiA. De Azevedo MoregulaM. BasileM. BoccioliAlexey KurepinGyulnara EyyubovaDosatsu SakataJ. De CuvelandJ. MlynarzB. GhidiniAndrey ReshetinSukalyan ChattopadhyayMarcello LunardonV. NikolicL. ToscanoAmalia PopPeter GlasselRachid GuernaneR. N. SingarajuImrich SzarkaNicole BastidDaniel LohnerC. CavicchioliFrederick KramerOleksii IvanytskyiSu AhnSu AhnLatchezar BetevR. W. FearickFrancesco NoferiniJ. J. GaardhøjeAlexey BogdanovMarco BregantAndrei GheataR. GomezP. A. ScottAgneta OskarssonA. Di MauroFrancesco BarileJanusz OleniaczY. BerdnikovAna VargasDanthasinghe PiyarathnaP. ZelnicekP. ZelnicekI. Maldonado CervantesElena BrunaE. DénesG. OrtonaKlaus Johannes ReygersDominik FehlkerJoakim NystrandPeter Braun-munzingerSanjeev Singh SambyalFatima PadillaJ. P. RevolA. HayrapetyanD. MayaniHenner BueschingMin Jung KweonA. I. PavlinovJ. H. KangI. Cortés MaldonadoDavid H. EvansE. Del Castillo SanchezKai SchwedaKai SchwedaA. OchirovRaimond SnellingsD. MiśkowiecD. MiśkowiecX. CaiDiego StoccoFederico AntinoriA. Casanova DíazGerardus NoorenAlberica ToiaAlberica ToiaOmbretta PinazzaHiroki YokoyamaM. SteinpreisR. RomitaY. WangC. BergmannPetr ZavadaDeepika RatheeR. P. ScharenbergChristina MarkertJ. UleryXing-bo YuanAndrea AgostinelliPhilippe RosnetDavide FalchieriVladislav MankoBogdan VulpescuTome AnticicC. A. Carrillo MontoyaG. NazarovH. ObayashiA. M. GagoMichal BrozY. J. KwonE. A. R. CasulaVladimir PeskovVladimir PeskovI. K. YooV. CatanescuPeter ChochulaChristophe Pierre SuireZ. Conesa Del ValleZ. Conesa Del ValleN. NovitzkyS. KoxAlexei KhanzadeevH. BøggildRalf KeidelG. HamarAlice ZimmermannJ. H. KimL. LeistamM. MastromarcoPeter LevaiLeonid VinogradovAlexandre ShabetaiBenjamin DonigusJohanna StachelE. StenlundE. CrescioC. LaraM. KaliskyJ. BartkeG. StefaniniGergely Gabor BarnafoldiGergely Gabor BarnafoldiM. BachK. BugaievPetra RiedlerRadiy IlkaevOleg KaravichevC. LazzeroniS. De PasqualeL. Montaño ZetinaB. BoyerZ. L. MatthewsA. Abrahantes QuintanaMarcel Araujo Silva FigueredoF. ToselloBoris BatyunyaAnju BhasinM. SanoJ. PlutaG. A. FeofilovJ. LehnertEvgeny RyabinkinA. BalditL. MolnarM. ZynovyevLukasz Kamil GraczykowskiM. VenaruzzoB. S. ChangB. S. ChangYasuo MiakeD. TruesdaleDmitry FinogeevSubhash SinghaM. ZhalovG. SteynRene BellwiedAnnika PassfeldN. HerrmannTatsuya ChujoR. KourD. W. KimM. Rodríguez CahuantziS. PuchaginMikolaj KrzewickiM. BotjeRaffaele GrossoRui MaChristoph MayerS. BöttgerR. FerrettiPalash KhanV. PospíšilShuaib Ahmad KhanJongik YoonJochen GerhardBasanta Kumar NandiSvein LindalRishat SultanovFranco MeddiDmitry AleksandrovFranck MansoX. G. LuHege Austrheim ErdalKyrre SkjerdalA. Ramírez ReyesDavide CaffarriA. Ortiz VelasquezKristin Fanebust HetlandSvetlana KushpilDong Jo KimI. León MonzónSergey FilchaginStefan RosseggerS. PalE. MontesF. PrinoC. CicaloT. S. RäihäMichal MeresTiziano VirgiliAirton DeppmanDmitry BlauC. RoyJ. UrbanSergey GorbunovFrederic LefevreR. T. Jimenez BustamanteH. H. GutbrodLinus FeldkampAndres SandovalRune LangøyRoberta ArnaldiX. Sanchez CastroX. Sanchez CastroRomualdo SantoroGilda ScioliA. PalahaRicha GuptaI. E. YushmanovGuy PaicAlexandru Florin DobrinAlexandru Florin DobrinRoberto DiviaS. Porteboeuf-houssaisG. Cara RomeoYvonne Chiara PachmayerDario BerzanoMohd Danish AzmiPeter MalzacherA. ArendSylvain ChapelandD. C. VernekohlRinaldo RuiM. Fusco GirardG. D ErasmoT. DjuvslandCinzia LuzziJiri KralBoris WagnerChiara BianchinJ. G. ContrerasA. PulvirentiA. PulvirentiAlla MaevskayaM. I. MartínezC.j. SchmidtS. SchuchmannVladimir IvanovG. L. UsaiF. CarenaTaku GunjiAnton AlkinH. DelagrangeT. DobrowolskiMichael WangN. P. NaumovO. DrigaB. S. NilsenT.a. PocheptsovT.a. PocheptsovJ. L. CharvetAlexander AkindinovP. GrosR. SantoV. Canoa RomanV. Canoa RomanA. K. BhatiL. LuquinT. AronssonNikolai SmirnovRaphael Noel TieulentSedat AltinpinarT. K. NayakAjit Kumar MohantySaehanseul OhBranislav SitarCatia PettaKjetil UllalandN. De MarcoE. Belmont-morenoT. MoonFrancesco RiggiPanagiota FokaMesut ArslandokWerner RieglerT.h. KimN. Zaviyalov

subject

PhysicsQuantum chromodynamicsNuclear and High Energy PhysicsParticle physicsLarge Hadron ColliderMeson010308 nuclear & particles physicsAstrophysics::High Energy Astrophysical PhenomenaHigh Energy Physics::PhenomenologyEta mesonHadronPerturbative QCDElementary particle01 natural sciencesNuclear physicsPion0103 physical sciencesPhysics::Accelerator PhysicsHigh Energy Physics::ExperimentNuclear Experiment010306 general physics

description

The first measurements of the invariant differential cross sections of inclusive pi(0) and eta meson production at mid-rapidity in proton-proton collisions root s = 0.9 TeV and root s = 7 TeV are reported. The pi(0) measurement covers the ranges 0.4 < p(T) < 7 GeV/c and 0.3 < p(T) < 25 GeV/c for these two energies, respectively. The production of eta mesons was measured at root s = 7 TeV in the range 0.4 < p(T) < 15 GeV/c. Next-to-Leading Order perturbative QCD calculations, which are consistent with the pi(0) spectrum at root s = 0.9 TeV, overestimate those of pi(0) and eta mesons at root s = 7 TeV, but agree with the measured eta/pi(0) ratio at root s = 7 TeV. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.

yearjournalcountryeditionlanguage
2012-10-01Physics Letters B
https://doi.org/10.1016/j.physletb.2012.09.015