6533b826fe1ef96bd1283d57

RESEARCH PRODUCT

First measurement of f′2 (1525) production in Z0 hadronic decays

A. GalloniS. O. HolmgrenE. BoudinovL. S. VertogradovT. TabarelliA. De AngelisTord EkelofP. CollinsMaurizio CanepaNorbert NeumeisterM. Espirito-santoY. ArnoudR. C. ShellardJosef HrubecL. BuggeA. J. Camacho RozasW. Da SilvaW. A. MitaroffTiziano CamporesiP. RebecchiJ. G. LokenO. PodobrinD. Z. ToetP. SiegristG. CosmeH. RahmaniC. De Saint-jeanP. BeilliereD. FassouliotisDaniel BlochA. M. SegarP. J. HoltN. G. RedaelliMarco BozzoAriella CattaiAhmimed OuraouKlaus HamacherI. RippM. FeindtR. JanikS. Sánchez NavasRobert S. BrownF. FontanelliJ. J. HernandezKrzysztof NawrockiP. NegriF. LedroitJ. FusterJacques LemonneJacques LemonneR. A. BrennerLeif J. JönssonP. FrenkielJ. W. LamsaM. BlumeL.n. GerdyukovR. LauhakangasW. HaoO. BarringE. AgasiM. BarbiP. DelpierreAndrei NomerotskiP. SponholzGöran JarlskogF. BaraoR. MollerMatteo PegoraroR. MckayT. BuranMarkus ElsingH. BeckskJ. BaudotC. WalckYu.a. KhokhlovA. NormandC. WeiserCh. JarlskogW. D. ApelPatrick JarryJ. ChauveauG. RinaudoJ. SaltR. HenriquesMariusz WitekM. GuntherM. NovakLydia RoosF. StichelbautB. LorstadP. BuschmannB. MurynM. DonszelmannA. DeghorainA. DeghorainR. ZuberiP. JalochaE. HigonD. VilanovaA. AndreazzaD. J. HolthuizenY. SacquinMogens DamWolfgang AdamTiziano RovelliLouis LyonsW. VenusR. AleksanDanilo ZavrtanikN. RatoffpN. RatoffpRupert LeitnerG. PianaG. MatthiaeB. SkaalitYu. BelokopytovC. Martinez-riveroJ. DreesG. MyattP. KubinecMaria Elena PolS. KatsanevasJ. MasikM. KarlssonOlga BotnerW. K. Van DoninckW. K. Van DoninckT. SpassovA. MaioP. ChochulaUgo GaspariniM. BattagliaC. MatteuzziW. NeumannJ. P. TavernetEvangelos GazisM. MccubbinS. BosworthG. TranstromerClara TronconJ-c. MarinB. ErzenR. GokieliP. GunnarssonSpyros TzamariasO. TchikilevG. VegniDemetrios LoukasK. A. DreesP. AbreuR. KeranenChiara MariottiI. KronkvistCarmen GarcíaA. BaroncelliS. AlmehedR. ChiericiT. A. FilippasA. KlovningM. ReglerGuido BarbielliniGuido BarbielliniPiotr ZalewskiDyu. BardinD. GeleJ. GuyDietrich LikoR. SosnowskiP. VincentF. ScuriF. ScuriPhilippe CharpentierFrancisco MatorrasD. Souza-santosA. TonazzoC. BosioA. ZalewskaF. NaraghiA. G. OlshevskiM. MerkS. HahnFrancesca Romana CavalloJ. E. AugustinP. Van DamPhillip AllportK. D. BrandA. M. WetherellM. DracosR. EhretL. ChaussardK. KurvinenP. A. FischerY. DufourD. WickeChariclia PetridouChariclia PetridouW. KrupinskiA. RybinG. ValentiTim AdyeM. DavenportJuan Abel BarrioBranislav SitarU. SchwickerathO. UllalandJavier SánchezA. N. SisakianD. BertrandD. BertrandJiri ChudobaV. V. LapinP. B. RentonA. SadovskyG. Della RiccaG. Della RiccaStefano RagazziM. RealeC. De La VaissiereDaniel TreilleM. BigiE. K. JohanssonSteinar StapnesYu. SedykhC. De ClercqC. De ClercqW. J. MurrayA. StocchiL. LanceriL. LanceriStéphane PlaszczynskiF. PierreF. FormentiJ. RidkyVincent HedbergD. W. LaneV. NikolaenkoSandor CzellarF. CaoF. CaoV. ChabaudB. TomeP. AntilogusD. C. FriesJ. Cuevas-maestroSandra AmatoMaria Roberta MongeA. TilquinL. K. ResvanisN. VassilopoulosG. PolokH. T. PhillipsVladimir CindroPascal PaganiniF. SimonettoG. EkspongLuc PapeW.s.c. WilliamsNikita SmirnovBarry KingManfred KrammerB. MarechalC. CasoF. CarenaW. T. MeyerN. ErshaidatA. FerrerAndrea PerrottaD. EdsallK. KorcylN. DemariaMassimo CacciaE. SpiritiAlessandra RomeroCristian StanescuP. BranchiniImad Baptiste LaktinehM. PindoE. CortinaLucio CerritoJ.d. RichardsonW. RuckstuhlM. MichelottoJ. DolbeauH. SchneiderS. SquarciaH. SaarikkoS. SimonettiA. FirestoneP. BambadeM. BegalliV. MalychevA. BuysA. TomaradzeA. TomaradzeP.s.l. BoothH. PalkaC. DefoixRichard JacobssonI. ZiminnR. FrühwirthMarta CalviJ. GarciaU. MjornmarkK. MönigF. HahnF. Fulda-quenzerA. RuizO. KouznetsovO. KouznetsovM. A E SchynsYu. GouzYu. GouzR. NicolaidouLaurent MirabitoJ. TimmermansKathy HuetKathy HuetA. PetroliniB. UberscharB. De LottoB. De LottoG. CrosettiEvgueni VlasovM. TyndelM. PernickaMartino MargoniE. FokitisGeoffrey SmithH. B. CrawleyA. LipniackaG. GrosdidierC. ParkesL. BrillaultP. HerquetP. HerquetR. ContriP. SeagerC. KreuterJ. M. BrunetP. NissJesus MarcoG. LenzenG. LederR. StrubP. PagesErnesto MiglioreP. JuillotM. VerlatoM V. Castillo-gimenezPaolo PriviteraF. Martinez-vidalV. KostioukhineM. KoratzinosG. D. AlekseevV. ObraztsovJ. P. EngelH. HerrL. G. TkatchevValeriy PozdniakovT. J. V. BowcockT. L. HessingManolis DrisTheodora PapadopoulouM. MazzucatoT. BologneseP. RoudeauA. PasseriPer JönssonA. G. FrodesenPaul DaunceyL. Di CiaccioG. DamgaardLuiz MundimMario SanninoJ. N. JacksonB. GolobT. BrenkeM. ZitoAlberto BenvenutiK. HultqvistRafael MarcoK. GrzelakN. N. KhovanskiO. YushchenkoK. RybickiR. SekulinR. AlemanyV. GraccoM. BerggrenZ. KrumsteinW. BartlZ. HajdukL. TortoraF. J. HarrisG. SmadjaMarc WinterP. KokkiniasCarlos LacastaT. BurgsmullerM. PrestM. PrestT. MoaG. MaehlumMaciej GórskiAllan HallgrenW. BoniventoB. BouquetB. Jean-marieI. RoncaglioloA. De MinKerem CankocakH. J. HilkeI. SiccamaV. LefebureV. LefebureG. SajotR. OravaJ. Van EldikFares DjamaHeinz PerneggerT. S. HillM. SchimmelpfennigWilliam TrischukA. MarkouK. WoschnaggD. CrennellJ. P. LaugierOxana SmirnovaT. TodorovM. WielersK. KarafasoulisH. WahlenFabrizio ParodiM. A. HouldenB. D'almagneG. EigenC. K. LeganM. GibbsC. GasparM. L. TurluerD. ReidS. HoorelbekeS. HoorelbekePaolo RoncheseG. W. Van ApeldoornL. VenturaJ. P. GerberK. YipF. MandlN. J. KjaerR. LindnerY. LemoigneGianni ZumerleM. WeierstallG. C. ZucchelliV. Ruhlmann-kleiderG. TristramS. C. BlythP. PoropatP. PoropatG. WilkinsonJ. M. LopezAndromachi TsirouE. VallazzaR. BarateAndre AugustinusE. C. KatsoufisG. GopalChristine KourkoumelisE. Dahl-jensenV. LepeltierPaolo ChecchiaPh. GavilletM. KaiserA. TrombiniR. McnultyM. BaubillierI. RosenbergeI. A. TyapkinV. CanaleI. StavitskiJ. MacnaughtonClaire BourdariosM. NieuwenhuizenE. FalkM. PetrovyckA. M. ZaitsevAlexander VodopyanovPaul BaillonD. ZontarAlexander Lincoln ReadF. ZachM. SzeptyckaKonstantinos PapageorgiouF. BianchiS. S. MeyerP. H. KramerPierre BilloirBorge Svane NielsenC. JoramC. BricmanC. BricmanI. V. AjinenkoStanislav NemecekN. PukhaevaM. ChapkinE. KarvelasVaclav VrbaS. De BrabandereS. De BrabandereKrzysztof DorobaHans DijkstraJ. DahmLuis PeraltaF. KapustaChiara MeroniC. Vander VeldeC. Vander VeldeP. BruckmanA. PulliaPaulal. DePaulal. DeG. A. ChelkovUgo AmaldiW. De BoerPeter KluitE. ZevgolatakosG. SciollaM. PimentaB. A. KhomenkoM. ChenM. ChenFrancesco NavarriaP. LangefeldH. MullerMarek SzczekowskiM. L. AndrieuxT. MaronWojciech KucewiczL. GornS. LamblotE. TcherniaevE. RossoH. KleinK. OsterbergM. J. BatesM. BonesiniD. GambaM. S. BilenkyL.j. CarrollF. VerbeureF. VerbeureJ. MedboFabio CossuttiFabio CossuttiP. WeilhammerT. LesiakB. StuguS. GumenyukM. GandelmanI. LippiS. CabreraJ. H. WickensJ. H. WickensMarco PaganoniJose Luis ContrerasV. ChorowiczL. VitaleL. VitaleD. RadojicicP. LutzH. Foeth

subject

Nuclear and High Energy PhysicsLUND MONTE-CARLOCherenkov detectorElectron–positron annihilationK+KHadron01 natural sciencesPartícules (Física nuclear)JET FRAGMENTATIONPrime (order theory)law.inventionK identificationMomentumNuclear physicslaw0103 physical sciences[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]Nuclear Experiment010306 general physicsCherenkov radiationDELPHIPhysicsDELPHI; Cherenkov detector; K identificationE+E-PHYSICS010308 nuclear & particles physicsHigh Energy Physics::PhenomenologyJ-PSILARGE ELECTRON POSITRON COLLIDERSTATESPARTICLE PHYSICS; LARGE ELECTRON POSITRON COLLIDER; DELPHIPARTICLE PHYSICSFísica nuclearHigh Energy Physics::ExperimentProduction (computer science)Particle Physics - ExperimentCherenkov detectorLUND MONTE-CARLO; JET FRAGMENTATION; E+E-PHYSICS; J-PSI; STATES; K+K

description

The inclusive production of the f(2)'(1525) in hadronic Z(0) decays has been studied in data collected by the DELPHI detector at LEP. The Ring Imaging Cherenkov detectors were important tools in the identification of the decay f(2)'(1525) --> K+K-. The average number of f(2)(')(1525) produced per hadronic Z decay, [f(2)'] = 0.020 +/- 0.005 (stat) +/- 0.006 (syst), and the momentum distribution of the f(2)'(1525) have both been measured. The mass and width of the f(2)'(1525) are found to be [M(f2)'] = 1535 +/- 5 (stat) +/- 4 (syst) MeV/c(2). [Gamma(f2)'] = 60 +/- 20 (stat) +/- 19 (syst) MeV/c(2)

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