6533b82cfe1ef96bd128f312

RESEARCH PRODUCT

Search for chargino pair production in scenarios with gravitino LSP and stau NLSP at GeV at LEP

A. DeghorainA. DeghorainNatale DemariaN. TintiR. LauhakangasL. LeinonenM. TobinPiotr ZalewskiE. HigonC. Martinez-riveroK. MuenichP. BruckmanE. KriznicE. KriznicG. OraziP. B. RentonF. ScuriF. ScuriLouis LyonsDanilo ZavrtanikDanilo ZavrtanikUgo GaspariniA. C. TaffardR. GokieliR. GokieliM. FeindtI. Gonzalez CaballeroV.a. UvarovB. MarechalT. TabarelliS. Sánchez NavasR. MuresanSofia AndringaO. SolovianovGuido BarbielliniGuido BarbielliniJ. GuyP. NegriP. FerrariAndrea PerrottaGöran JarlskogO. KlappRosy NicolaidouMarta CalviE. K. JohanssonCh. JarlskogM. A. BizouardP. NiezurawskiDemetrios LoukasF. GlegeW. D. ApelPatrick JarryG. RinaudoS. StanicS. StanicBorge Svane NielsenGeoffrey SmithTim AdyeKrzysztof DorobaChiara MeroniG. CosmeK. StevensonJ. N. JacksonG. VegniF. CarenaS. CabreraH. RahmaniL. JungermannA. TonazzoM. PernickaKlaus HamacherX. MoreauJesus MarcoG. LenzenOxana SmirnovaLuca TortoraT. MyklebustV. KostioukhineM. KoratzinosJ. RamesR. Mc NultyJ-c. MarinI. GilS. FichetAriella CattaiChristophe RoyonS. HoorelbekeS. HoorelbekeG. GrosdidierB. Jean-mariePaolo RoncheseV. MalychevGareth J. BarkerPeter KluitF. MazzucatoDietrich LikoChariclia PetridouChariclia PetridouG. ValentiP. AdzicK. KarafasoulisJ. LibbyOle RøhneRupert LeitnerM. PimentaG. MatthiaeF. LedroitD. FassouliotisA. N. SisakianP. HerquetP. HerquetR. ContriNicola AmapaneU. MuellerStefano RagazziF. BaraoO. UllalandB. SchweringM. L. TurluerD. ReidN. J. KjaerM. A. WinterNektarios BenekosA. PetroliniDaniel TreilleM. BigiJ. FayotJ. RidkyC. Vander VeldeC. Vander VeldeMorgan LethuillierF. PierreB. A. KhomenkoE. I. RosenbergT. BuranMarkus ElsingA. SadovskyA. StocchiFrancesco NavarriaPablo TortosaI. Van VulpenJ. M. HeuserG. SmadjaTiziano CamporesiA. ZintchenkoP. J. HoltVincent HedbergD. W. LaneManolis DrisB. De LottoB. De LottoP. KubinecClara TronconS. CrepeJ. Van EldikP. JalochaGianni ZumerleG. CrosettiEvgueni VlasovA. J. WashbrookK. KurvinenS. GamblinN. G. RedaelliG. TristramV. ChorowiczMarco BozzoG. EkspongM. DavenportD. WickeP. N. RatoffG. Mc PhersonB. FranekAttilio AndreazzaM. NikolenkoV. Ruhlmann-kleiderH. HerrL. G. TkatchevL. GornG. A. ChelkovUgo AmaldiN. GhodbaneJ. DreesC. WalckR. ReinhardtAlberto BenvenutiFabrizio FerroW. De BoerE. ZevgolatakosA. W. BorglandE. Ferrer-ribasManfred KrammerDenis GeléP. PoropatP. PoropatAndromachi TsirouAndre AugustinusA. NygrenM. BrackoM. BrackoA. TomaradzeA. TomaradzeMartijn MuldersMattias EllertM. BegalliM. BegalliMartino MargoniE. FokitisG. D. AlekseevA. G. FrodesenS. TzamariasN. I. ZiminN. I. ZiminT. G M MalmgrenH. WahlenK. H. BecksE. VallazzaE. VallazzaG. J. HughesD. BertrandD. BertrandCorinne BeratOlga BotnerG. TranstromerCarmen GarcíaPh. SchwemlingO. YushchenkoJiri ChudobaChiara MariottiReynald PainMario SanninoI. LippiJ. H. LopesU. ParzefallA. FirestoneJ. H. WickensJ. H. WickensMarco PaganoniS. HahnW. LiebigTord EkelofR. SekulinEvangelos GazisL. BuggeM. StanitzkiJ. J. HernandezT. PavelU. MjoernmarkP. BuschmannB. MurynB. MurynM. ChapkinFrancesca Romana CavalloM. Mc CubbinPaulo J. S. GonçalvesP. Van DamK. HultqvistRafael MarcoL. VenturaN. NeufeldR. Mc KayY. ArnoudVaclav VrbaT. MoaC. Mulet-marquisA. DuperrinV. V. LapinA. GalloniH. T. PhillipsRichard BrennerHans DijkstraJ. GrahlS. O. HolmgrenC. De ClercqC. De ClercqP. DelpierreP. AnderssonB. LoerstadP. V. ChliapnikovA. BehrmannP. KokkiniasR. JanikC. GasparL. S. VertogradovC. BosioG. KernelG. KernelW. J. MurrayA. MarkouA. KinvigChristian WeiserA. SopczakD. VilanovaL. ChaussardL. Di CiaccioL. Di CiaccioR. StrubL. VitaleL. VitaleR. KeranenGuy WilkinsonF. Martinez-vidalAntonios LeisosD. RadojicicGunter WolfGeorgios FanourakisTiziano RovelliPhilippe CharpentierFrancisco MatorrasJuergen ThomasBarry KingP. SeagerG. BorisovBorut Paul KerševanBorut Paul KerševanG. C. ZucchelliV. NomokonovR. Lopez-fernandezR. C. ShellardR. C. ShellardA. PasseriJosef HrubecChristine KourkoumelisWolfgang AdamG. MyattM. MochE. SpiritiT. AlderweireldT. AlderweireldJ. E. AugustinR. FrühwirthN. N. KhovanskiT. SpassovA. M. SegarK. GrzelakM. BaubillierYu. BelokopytovV. CanaleN. SeibertV. LepeltierM. SiebelJ. TimmermansAllan HallgrenE. C. KatsoufisG. GopalM. HuberP. LutzPaolo ChecchiaF. Fulda-quenzerF. FontanelliAntonio BaroncelliJørgen Beck HansenOliver PassonB. TomeP. AntilogusJ. RehnPh. GavilletA. M. ZaitsevAlexander VodopyanovLuc PapeJosef StraussJ. KurowskaJ. PalaciosV. ChabaudM. Espirito SantoN. PukhaevaMaarten BoonekampE. GrazianiJ. M. BrunetH. FoethI. A. TyapkinR. AlemanyJ. MacnaughtonL. De PaulaV. VerziG. MortonPaolo PriviteraM. MazzucatoJ. R. MahonJ. R. MahonPierre JuillotClaire BourdariosE. BoudinovW. VenusW. VenusChristopher ParkesMatteo PegoraroB. BuschbeckZ. KrumsteinA. De AngelisS. PaianoA. OnofreP. CollinsJ. Cuevas MaestroDaniel JeansA. De MinV. ObraztsovPaolo MorettiniDaniel BlochP. RoudeauJ. G. LokenP. BeilliereAhmimed OuraouM. S. BilenkyF. TegenfeldtLuis PeraltaF. KapustaP. GrisE. CortinaS. HeisingG. SajotU. FlagmeyerKrzysztof NawrockiStavros MaltezosH. M. BlomY. SacquinKathy HuetKathy HuetValeriy PozdniakovL.j. CarrollPer JönssonA. PulliaAnna LipniackaFabio CossuttiIgor BoykoT. LesiakC. JoramF. SimonettoG. LederM. GasparJ. P. LaugierR. BarbierMarek SzczekowskiB. ÅSmanV. LefebureV. LefebureP. RosinskyD. CrennellN. MastroyiannopoulosR. MoellerF. MandlH. KleinL. K. ResvanisK. OsterbergMassimo CacciaL. SimardM. TrochimczukK. CieslikM. BonesiniD. GambaM. WitekG. VoulgarisF. VerbeureF. VerbeureB. StuguM. GandelmanE. G. AnassontzisJ. P. EngelP. BambadeM. V. Castillo GimenezB. GolobB. GolobV. GraccoKlaus MoenigFabrizio ParodiM. A. HouldenS. Marti I GarciaW. Da SilvaW. A. MitaroffW. K. Van DoninckW. K. Van DoninckF. RichardP. ChochulaC. MatteuzziS. AlmehedR. ChiericiF. HahnM. NassiakouR. PaivaS. HaiderF. J. HarrisF. TerranovaC. CasoH. B. CrawleyAlessandra RomeroA. RuizI. BozovicN. Van RemortelN. Van RemortelR. SosnowskiF. NaraghiDimos SampsonidisPhillip AllportG. Della RiccaG. Della RiccaP. RebecchiTh. D. PapadopoulouTh. D. PapadopoulouGuillelmo Gomez-ceballosJosé SaltAmelia MaioW. Van Den BoeckW. Van Den BoeckCristian StanescuP. BranchiniJ. D. DurandA. G. OlshevskiU. SchwickerathMaria Roberta MongeA. ZalewskaW. T. MeyerM. VerlatoLaurent MirabitoT. J. V. BowcockT. L. HessingM. BerggrenZ. AlbrechtJuan FusterAntonio FerrerD. BertiniR. JacobssonS. TodorovaT. AllmendingerJ. M. LopezPaul BaillonAlexander Lincoln ReadM. SzeptyckaMarc BesanconKonstantinos PapageorgiouJ. YiM. BattagliaJ. MasikA. Van LysebettenA. Van LysebettenSandor CzellarG. PolokB. BouquetYu. GouzErnesto MiglioreP. AbreuR. OravaG. EigenMaria Elena PolMaria Elena PolS. KatsanevasA. KiiskinenD. Y. BardinSandra AmatoT. PodobnikT. PodobnikO. KouznetsovK. BelousM. ReglerS. SquarciaYu. SedykhH. SaarikkoJ. DolbeauP.s.l. BoothE. PiottoW. BoniventoA. MalekA. SokolovMarcos DracosH. PalkaJ. W. Lamsa

subject

PhysicsNuclear and High Energy PhysicsParticle physics010308 nuclear & particles physicsElectron–positron annihilationHigh Energy Physics::PhenomenologyContext (language use)01 natural sciencesLightest Supersymmetric ParticleNuclear physicsPair productionChargino0103 physical sciencesHigh Energy Physics::ExperimentGravitinoProduction (computer science)010306 general physicsEnergy (signal processing)

description

Promptly decaying lightest charginos were searched for in the context of scenarios with gravitino LSP. It was assumed that the stau is the next to lightest supersymmetric particle (NLSP). Data collected with the DELPHI detector at a centre-of-mass energy near 183~{~mbox{${mathrm{GeV}}$}}\nwere analysed combining the methods developed in previous searches. No evidence for the production of these particles was found. Hence, limits were derived at 95% confidence level. The mass of charginos was found to be greater than 85.5~GeV/$c^2$ for $m_{ ilde{chi}^+_1}-m_{ ilde{ au}_1}geq 0.3 {mathrm{GeV}}/c^2$, independently of the mass of the gravitino.

https://doi.org/10.1016/s0370-2693(99)01105-3