6533b7dafe1ef96bd126ebd7

RESEARCH PRODUCT

PRODUCTION CHARACTERISTICS OF K-0 AND LIGHT MESON RESONANCES IN HADRONIC DECAYS OF THE Z(0)

Stefano RagazziP. PriviteraD. GillespieChariclia PetridouChariclia PetridouH. FoethF. SimonettoG. LederH. BriandM. RealeF. FormentiF. CaoDaniel TreilleM. BigiE. K. JohanssonA. BaroncelliA. ChanSteinar StapnesJ. RidkyB. ÅSmanS. O. HolmgrenL. S. VertogradovNikita SmirnovG. W. Van ApeldoornF. CarenaN. ErshaidatFernand GrardW.s.c. WilliamsR. SosnowskiK. KulkaP. VincentA. FerrerV. BocciA. TomaradzeR. J. ApsimonPatrick JarryG. RinaudoJ. SaltM. J. BatesP. Van DamLucio CerritoT. L. HessingF. NaraghiJ. ChauveauM. PernickaD. CrennellF. MandlJesus MarcoG. LenzenJ. M. LevyM. FeindtR. StrubP. NegriGöran JarlskogPiotr ZalewskiF. Martinez-vidalV. KostioukhineM. KoratzinosV. G. TimofeevW. D. ApelV. ChorowiczI. A. TyapkinL. VenturaK. YipR. LindnerY. LemoigneChiara MariottiR. CasesP. AbreuD. GeleMartino MargoniE. FokitisY. ArnoudU. MjoernmarkC. BosioJ. A. HernandoToralf Bernhard SkaaliT. SpassovD. GambaR. C. ShellardL. Di CiaccioJosef HrubecC. De La VaissiereMario SanninoM. A. Lopez AgueraB. UeberschaerZ. ZalewskiI. V. AjinenkoF. StichelbautR. Mc KayV. ZhigunovP. NissP. HerquetJuan Abel BarrioH. T. PhillipsVladimir CindroA. AndreazzaM. VerlatoG. WormserUgo GaspariniR. ContriS. HahnFrancesca Romana CavalloNorbert NeumeisterA. G. OlshevskiK. StepaniakJ. BlockiF. VerbeureA. M. SegarA. De AngelisP. CollinsD. J. HolthuizenR. OravaM. WeierstallP. N. BogolubovE. I. RosenbergA. Lopez-fernandezF. M. L. AlmeidaGuido BarbielliniGuido BarbielliniManolis DrisJ. GuyP. RoudeauO. PodobrinP. S. IversenF. FontanelliThemistocles BowcockA. TilquinPawel JalochaBarry KingE. SpiritiChristine KourkoumelisE. Dahl-jensenB. BouquetK. KurvinenA. PasseriTuure TuuvaM. MazzucatoR. KeranenFrancisco MatorrasD. Souza-santosJavier SánchezIvan MikulecC. Martinez-riveroV.a. UvarovImad Baptiste LaktinehS. SquarciaH. SaarikkoT. TodorovM. WielersH. FurstenauB. StuguY. SacquinAlberto BenvenutiM. L. TurluerD. ReidW. KrupinskiLouis LyonsR. AleksanR. FrühwirthW. Da SilvaW. A. MitaroffPaolo RoncheseN. J. KjaerJ. DolbeauV. V. LapinC. De ClercqA. De MinF. DupontAndrey KorytovClara TronconT. TabarelliP. RebecchiR. LauhakangasPh. CharpentierP. BambadeH. RahmaniTim AdyeG. D. AlekseevE. TorassaM. SessaW. J. MurrayMaria Roberta MongeWolfgang AdamI. LippiM. GandelmanJ. TimmermansM. VoutilainenD. EdsallG. GrosdidierP.s.l. BoothE.n. TsyganovJ. H. WickensA. LipniackaLydia RoosJ. DreesB. MurynMarco PaganoniJose Luis ContrerasTord EkelofH. StaeckB. LoerstadF. RichardP. VazD. VilanovaH. J. HilkeM. DonszelmannK. D. BrandJ. PennanenN. I. ZiminD. FassouliotisAriella CattaiJ. N. JacksonAlessandra RomeroF. LedroitKlaus HamacherDaniel BlochCharles BricmanAhmimed OuraouV.m. GolovatyukO. UllalandM. Mc CubbinJan KrolikowskiK. HultqvistLeif J. JönssonGianni ZumerleC. MatteuzziM. HahnJuan FusterS. AlmehedA. RuizGeorgios StavropoulosJ-c. MarinR. GokieliDanilo ZavrtanikW. T. MeyerDemetrios LoukasA. KovningJacques LemonneG. SmadjaEvangelos GazisL. VitaleR. LiebI. SiccamaN. N. KhovanskiW. BartlL. BuggeA. J. Camacho RozasP. KokkiniasG. TristramAndrei NomerotskiRobert S. BrownR. A. BrennerM. A E SchynsS. J. AlvsvaagE. AgasiZ.d. ThomeG. SajotW. KucewiczMarc WinterP. PoropatP. PoropatR. HenriquesMariusz WitekJ. Van EldikHeinz PerneggerD. RadojicicG. ValentiAndromachi TsirouT. S. HillP. GunnarssonSpyros TzamariasO. TchikilevV. AnykeyevStefan SchaelD. Z. ToetP. SiegristB. FranekJ. A. Valls FerrerP. F. HonoreC. GasparJ. E. AugustinAndre AugustinusM. NovakA. WehrPhillip AllportM. Van Der HeijdenH. WahlenJ. H. KoehneR. BarateG. E. KalmusRupert LeitnerG. PianaTh. D. PapadopoulouGuenakh MitselmakherA. DaumM. DracosMatteo PegoraroI. RippG. MatthiaeJ. J. Gomez Y CadenasM. DavenportJ. P. LaugierF. PierreE. BoudinovB. KoeneA. FirestoneA. Koch-mehrinM. JonkerRobin CampionS. HaiderLaurent MirabitoG. BorisovV. Ruhlmann-kleiderK. H. BecksG. E. TheodosiouC. CasoMaria Elena PolL. ChaussardM. BaubillierAchille StocchiE. VallazzaA. BuysB. DalmagneM. PimentaS. C. BlythMogens DamP. LutzVincent HedbergS. KatsanevasA. MaioR. PainD. Y. BardinM. KarlssonA. M. ZaitsevAlexander VodopyanovT. A. FilippasCristian StanescuP. BranchiniP. B. RentonF. CouchotG. WilkinsonS. MartiM.d.m. De Fez LasoB. GolobPaolo MorettiniM. VollmerB. A. KhomenkoO.m. KouznetsovV. LepeltierF. BianchiFrancesco NavarriaGary John BarkerT. BuranM. ReglerG. EkspongH. B. CrawleyL. BrillaultH. SchneiderPaolo GiacomelliD. C. FriesR. EhretJ. BjarneS. UeberschaerB. TomeP. AntilogusJ. G. LokenC. De Saint-jeanP. BeillierePaolo ChecchiaJ. P. EngelMilos LokajicekK. WoschnaggM. V. Castillo GimenezPaul DaunceyN. DemariaMarkus ElsingPh. GavilletM. KaiserP. N. RatoffG. DamgaardB. MarechalE. C. KatsoufisH. MuellerM. BonesiniM. ZitoF. HahnP. LangefeldJorge-armando Benitez GarciaS. SimonettiG. GopalV. GraccoM. BegalliMarta CalviVincenzo CanaleE. KarvelasR. ZuberiPavlos IoannouGeoffrey SmithKathy HuetValeriy PozdniakovM. PrestM. PrestI. StavitskiT. MaronJ. Cuevas MaestroL. De PaulaKlaus MönigFabrizio ParodiL. TortoraPaul BaillonClaire BourdariosP. PaganiniF. J. HarrisOlga BotnerL. GornM. A. HouldenJ. DaviesM. S. BilenkyT. BologneseAllan HallgrenD. ZontarAlexander Lincoln ReadW. HaoO. BarringM. SzeptyckaO. SmirnovaL.j. CarrollCarlos LacastaU. HaedingerD. BertrandH. PalkaLuis PeraltaF. KapustaG. TranstromerCarmen GarcíaP. H. KramerPierre BilloirM. BattagliaJ. W. LamsaJ. MedboW. BoniventoF. BaraoE. CortinaKerem CankocakW. NeumannP. WeilhammerW. RuckstuhlY. DufourSandor CzellarE. HigonR. SeufertS. BosworthP. BeltranF. ScuriM. ChapkinVaclav VrbaG. PolokHans DijkstraA. MaltezosA. M. WetherellErnesto MiglioreL. LanceriL. LanceriStéphane PlaszczynskiC. DefoixF. Fulda-quenzerE. GrazianiJ. M. BrunetBorge Svane NielsenJ. J. LozanoS. De BrabandereKrzysztof DorobaChiara MeroniJan BuytaertP. BruckmanPeter KluitR. SekulinT. MoaG. MaehlumR. MoellerFares DjamaL. K. ResvanisWilliam TrischukA. MarkouJ.d. RichardsonRichard JacobssonA. PetroliniMassimo CacciaB. De LottoB. De LottoG. CrosettiEvgueni VlasovP. JuillotH. HerrL. G. TkatchevA. SeitzM. BerggrenP. CarrilhoJ. J. HernandezTiziano RovelliP. DelpierreE. DaubieG. MyattLuc PapeJosef StraussS. BraibantV. ChabaudM. Espirito SantoW. VenusR. NicolaidouI. KronkvistA. N. SisakianManfred KrammerJ. T.m. ChrinM. MichelottoC. KreuterA. G. FrodesenZ. HajdukMaciej GórskiA. HakanssonP. V. ChliapnikovG. VegniJ. P. GerberF. ZachStanislav NemecekJ. DahmC. Vander VeldeG. A. ChelkovC. LambropoulosUgo AmaldiW. De BoerE. ZevgolatakosG. SciollaW. Van DoninckV. ObraztsovI. RoncaglioloAndrea PerrottaR. Mc NultyH. De BoeckB. Jean-marieM. TyndelJ. MaillardB. BoštjančičTiziano CamporesiG. CosmeP. J. HoltN. G. RedaelliMarco BozzoP. FrenkielJ. StraverF. WaldnerF. WaldnerJ. BaudotC. WalckJ. L. FoussetA. NormandA. PulliaMarek SzczekowskiE. RossoH. KleinK. OsterbergM. Los

subject

Particle physicsMesonPhysics and Astronomy (miscellaneous)LUND MONTE-CARLOElectron–positron annihilationHadron01 natural sciencesJET FRAGMENTATION250 GEV/CPartícules (Física nuclear)Nuclear physics0103 physical sciences[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]multiplicityENERGY REGION010306 general physicsParton showerEngineering (miscellaneous)Detectors de radiacióDELPHI. inclusive production; K0 meson; multiplicity; MontecarloPhysicsRange (particle radiation)Momentum (technical analysis)010308 nuclear & particles physicsMultiplicity (mathematics)E+E-ANNIHILATIONINCLUSIVE PRODUCTIONZ0 DECAYSMontecarloParticle accelerationLUND MONTE-CARLO; E+E-ANNIHILATION; INCLUSIVE PRODUCTION; JET FRAGMENTATION; Z0 DECAYS; P INTERACTIONS; VECTOR-MESONS; ENERGY REGION; 250 GEV/C; 360 GEV/C360 GEV/CP INTERACTIONSK0 mesonDELPHI. inclusive productionVECTOR-MESONSParticle Physics - Experiment

description

An analysis of inclusive production of K0and the meson resonances K*±(892), ρ0(770), f0(975) and f2(1270) in hadronic decays of the Z0is presented, based on about 973,000 multihadronic events collected by the DELPHI detector at LEP during 1991 and 1992. Overall multiplicities have been determined as 1.962±0.060 K0mesons, 0.712±0.067 K*±(892) and 1.21±0.15ρ0(770) per hadronic Z0decay. The average multiplicities of f0(975) for scaled momentum, xp, in the range 0.05≤xp≤0.6 and of f2(1270) for 0.05≤xp≤1.0 are 0.098±0.016 and 0.170±0.043 respectively. The f0(975) and ρ0(770)xp-spectra have similar shapes. The f2(1270)/ρ0(770) ratio increases with xp. The average multiplicities and the differential cross sections are compared with the JETSET Parton Shower model. The model with default parameters fails to reproduce the experimental K0momentum spectrum at low momentum, describes the K*±(892) and ρ0(770)xp-spectrum shapes, but significantly overestimates their production rates. © 1995 Springer-Verlag.

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