학술논문

Search for CP violation in the phase space of D0→π+π−π+π− decays
Document Type
article
Author
R. AaijB. AdevaM. AdinolfiZ. AjaltouniS. AkarJ. AlbrechtF. AlessioM. AlexanderS. AliG. AlkhazovP. Alvarez CartelleA.A. Alves, JrS. AmatoS. AmerioY. AmhisL. AnL. AnderliniG. AndreassiM. AndreottiJ.E. AndrewsR.B. ApplebyF. ArchilliP. d'ArgentJ. Arnau RomeuA. ArtamonovM. ArtusoE. AslanidesG. AuriemmaM. BaalouchI. BabuschkinS. BachmannJ.J. BackA. BadalovC. BaessoS. BakerW. BaldiniR.J. BarlowC. BarschelS. BarsukW. BarterM. BaszczykV. BatozskayaB. BatsukhV. BattistaA. BayL. BeaucourtJ. BeddowF. BedeschiI. BediagaL.J. BelV. BelleeN. BelloliK. BelousI. BelyaevE. Ben-HaimG. BencivenniS. BensonJ. BentonA. BerezhnoyR. BernetA. BertolinC. BetancourtF. BettiM.-O. BettlerM. van BeuzekomIa. BezshyikoS. BifaniP. BilloirT. BirdA. BirnkrautA. BitadzeA. BizzetiT. BlakeF. BlancJ. BlouwS. BluskV. BocciT. BoettcherA. BondarN. BondarW. BoniventoI. BordyuzhinA. BorgheresiS. BorghiM. BorisyakM. BorsatoF. BossuM. BoubdirT.J.V. BowcockE. BowenC. BozziS. BraunM. BritschT. BrittonJ. BrodzickaE. BuchananC. BurrA. BurscheJ. BuytaertS. CadedduR. CalabreseM. CalviM. Calvo GomezA. CamboniP. CampanaD.H. Campora PerezL. CapriottiA. CarboneG. CarboniR. CardinaleA. CardiniP. CarnitiL. CarsonK. Carvalho AkibaG. CasseL. CassinaL. Castillo GarciaM. CattaneoCh. CauetG. CavalleroR. CenciD. ChamontM. CharlesPh. CharpentierG. ChatzikonstantinidisM. ChefdevilleS. ChenS.-F. CheungV. ChobanovaM. ChrzaszczX. Cid VidalG. CiezarekP.E.L. ClarkeM. ClemencicH.V. CliffJ. ClosierV. CocoJ. CoganE. CognerasV. CogoniL. CojocariuG. CollazuolP. CollinsA. Comerma-MontellsA. ContuA. CookG. CoombsS. CoquereauG. CortiM. CorvoC.M. Costa SobralB. CouturierG.A. CowanD.C. CraikA. CrocombeM. Cruz TorresS. CunliffeR. CurrieC. D'AmbrosioF. Da Cunha MarinhoE. Dall'OccoJ. DalsenoP.N.Y. DavidA. DavisO. De Aguiar FranciscoK. De BruynS. De CapuaM. De CianJ.M. De MirandaL. De PaulaM. De SerioP. De SimoneC.-T. DeanD. DecampM. DeckenhoffL. Del BuonoM. DemmerA. DendekD. DerkachO. DeschampsF. DettoriB. DeyA. Di CantoH. DijkstraF. DordeiM. DorigoA. Dosil SuárezA. DovbnyaK. DreimanisL. DufourG. DujanyK. DungsP. DuranteR. DzhelyadinA. DziurdaA. DzyubaN. DéléageS. EasoM. EbertU. EgedeV. EgorychevS. EidelmanS. EisenhardtU. EitschbergerR. EkelhofL. EklundS. ElyS. EsenH.M. EvansT. EvansA. FalabellaN. FarleyS. FarryR. FayD. FazziniD. FergusonA. Fernandez PrietoF. FerrariF. Ferreira RodriguesM. Ferro-LuzziS. FilippovR.A. FiniM. FioreM. FioriniM. FirlejC. FitzpatrickT. FiutowskiF. FleuretK. FohlM. FontanaF. FontanelliD.C. ForshawR. FortyV. Franco LimaM. FrankC. FreiJ. FuE. FurfaroC. FärberA. Gallas TorreiraD. GalliS. GalloriniS. GambettaM. GandelmanP. GandiniY. GaoL.M. Garcia MartinJ. García PardiñasJ. Garra TicoL. GarridoP.J. GarsedD. GasconC. GasparL. GavardiG. GazzoniD. GerickE. GersabeckM. GersabeckT. GershonPh. GhezS. GianìV. GibsonO.G. GirardL. GiubegaK. GizdovV.V. GligorovD. GolubkovA. GolutvinA. GomesI.V. GorelovC. GottiM. Grabalosa GándaraR. Graciani DiazL.A. Granado CardosoE. GraugésE. GraveriniG. GrazianiA. GrecuP. GriffithL. GrilloB.R. Gruberg CazonO. GrünbergE. GushchinYu. GuzT. GysC. GöbelT. HadavizadehC. HadjivasiliouG. HaefeliC. HaenS.C. HainesS. HallB. HamiltonX. HanS. Hansmann-MenzemerN. HarnewS.T. HarnewJ. HarrisonM. HatchJ. HeT. HeadA. HeisterK. HennessyP. HenrardL. HenryJ.A. Hernando MorataE. van HerwijnenM. HeßA. HicheurD. HillC. HombachH. HopchevW. HulsbergenT. HumairM. HushchynN. HussainD. HutchcroftM. IdzikP. IltenR. JacobssonA. JaegerJ. JalochaE. JansA. JawaheryF. JiangM. JohnD. JohnsonC.R. JonesC. JoramB. JostN. JurikS. KandybeiW. KansoM. KaracsonJ.M. KariukiS. KarodiaM. KeckeM. KelseyI.R. KenyonM. KenzieT. KetelE. KhairullinB. KhanjiC. KhurewathanakulT. KirnS. KlaverK. KlimaszewskiS. KoliievM. KolpinI. KomarovR.F. KoopmanP. KoppenburgA. KosmyntsevaA. KozachukM. KozeihaL. KravchukK. KreplinM. KrepsP. KrokovnyF. KruseW. KrzemienW. KucewiczM. KucharczykV. KudryavtsevA.K. KuonenK. KurekT. KvaratskheliyaD. LacarrereG. LaffertyA. LaiG. LanfranchiC. LangenbruchT. LathamC. LazzeroniR. Le GacJ. van LeerdamJ.-P. LeesA. LeflatJ. LefrançoisR. LefèvreF. LemaitreE. Lemos CidO. LeroyT. LesiakB. LeveringtonY. LiT. LikhomanenkoR. LindnerC. LinnF. LionettoB. LiuX. LiuD. LohI. LongstaffJ.H. LopesD. LucchesiM. Lucio MartinezH. LuoA. LupatoE. LuppiO. LuptonA. LusianiX. LyuF. MachefertF. MaciucO. MaevK. MaguireS. MaldeA. MalininT. MaltsevG. MancaG. MancinelliP. ManningJ. MaratasJ.F. MarchandU. MarconiC. Marin BenitoP. MarinoJ. MarksG. MartellottiM. MartinM. MartinelliD. Martinez SantosF. Martinez VidalD. Martins TostesL.M. MassacrierA. MassafferriR. MatevA. MathadZ. MatheC. MatteuzziA. MauriB. MaurinA. MazurovM. McCannJ. McCarthyA. McNabR. McNultyB. MeadowsF. MeierM. MeissnerD. MelnychukM. MerkA. MerliE. MichielinD.A. MilanesM.-N. MinardD.S. MitzelA. MoginiJ. Molina RodriguezI.A. MonroyS. MonteilM. MorandinP. MorawskiA. MordàM.J. MorelloJ. MoronA.B. MorrisR. MountainF. MuheimM. MulderM. MussiniD. MüllerJ. MüllerK. MüllerV. MüllerP. NaikT. NakadaR. NandakumarA. NandiI. NastevaM. NeedhamN. NeriS. NeubertN. NeufeldM. NeunerA.D. NguyenT.D. NguyenC. Nguyen-MauS. NieswandR. NietN. NikitinT. NikodemA. NovoselovD.P. O'HanlonA. Oblakowska-MuchaV. ObraztsovS. OgilvyR. OldemanC.J.G. OnderwaterJ.M. Otalora GoicocheaA. OttoP. OwenA. OyangurenP.R. PaisA. PalanoF. PalomboM. PalutanJ. PanmanA. PapanestisM. PappagalloL.L. PappalardoW. ParkerC. ParkesG. PassalevaA. PastoreG.D. PatelM. PatelC. PatrignaniA. PearceA. PellegrinoG. PensoM. Pepe AltarelliS. PerazziniP. PerretL. PescatoreK. PetridisA. PetroliniA. PetrovM. PetruzzoE. Picatoste OlloquiB. PietrzykM. PikiesD. PinciA. PistoneA. PiucciS. PlayferM. Plo CasasusT. PoikelaF. PolciA. PoluektovI. PolyakovE. PolycarpoG.J. PomeryA. PopovD. PopovB. PopoviciS. PoslavskiiC. PotteratE. PriceJ.D. PriceJ. PrisciandaroA. PritchardC. ProuveV. PugatchA. Puig NavarroG. PunziW. QianR. QuaglianiB. RachwalJ.H. RademackerM. RamaM. Ramos PernasM.S. RangelI. RaniukF. RatnikovG. RavenF. RediS. ReichertA.C. dos ReisC. Remon AlepuzV. RenaudinS. RicciardiS. RichardsM. RihlK. RinnertV. Rives MolinaP. RobbeA.B. RodriguesE. RodriguesJ.A. Rodriguez LopezP. Rodriguez PerezA. RogozhnikovS. RoiserA. RollingsV. RomanovskiyA. Romero VidalJ.W. RonayneM. RotondoM.S. RudolphT. RufP. Ruiz VallsJ.J. Saborido SilvaE. SadykhovN. SagidovaB. SaittaV. Salustino GuimaraesC. Sanchez MayordomoB. Sanmartin SedesR. SantacesariaC. Santamarina RiosM. SantimariaE. SantovettiA. SartiC. SatrianoA. SattaD.M. SaundersD. SavrinaS. SchaelM. SchellenbergM. SchillerH. SchindlerM. SchluppM. SchmellingT. SchmelzerB. SchmidtO. SchneiderA. SchopperK. SchubertM. SchubigerM.-H. SchuneR. SchwemmerB. SciasciaA. SciubbaA. SemennikovA. SergiN. SerraJ. SerranoL. SestiniP. SeyfertM. ShapkinI. ShapovalY. ShcheglovT. ShearsL. ShekhtmanV. ShevchenkoB.G. SiddiR. Silva CoutinhoL. Silva de OliveiraG. SimiS. SimoneM. SirendiN. SkidmoreT. SkwarnickiE. SmithI.T. SmithJ. SmithM. SmithH. SnoekM.D. SokoloffF.J.P. SolerB. Souza De PaulaB. SpaanP. SpradlinS. SridharanF. StagniM. StahlS. StahlP. StefkoS. StefkovaO. SteinkampS. StemmleO. StenyakinS. StevensonS. StoicaS. StoneB. StoraciS. StrackaM. StraticiucU. StraumannL. SunW. SutcliffeK. SwientekV. SyropoulosM. SzczekowskiT. SzumlakS. T'JampensA. TayduganovT. TekampeM. TeklishynG. TellariniF. TeubertE. ThomasJ. van TilburgM.J. TilleyV. TisserandM. TobinS. TolkL. TomassettiD. TonelliS. Topp-JoergensenF. TorielloE. TournefierS. TourneurK. TrabelsiM. TraillM.T. TranM. TreschA. TrisovicA. TsaregorodtsevP. TsopelasA. TullyN. TuningA. UklejaA. UstyuzhaninU. UwerC. VaccaV. VagnoniA. ValassiS. ValatG. ValentiA. VallierR. Vazquez GomezP. Vazquez RegueiroS. VecchiM. van VeghelJ.J. VelthuisM. VeltriG. VenezianoA. VenkateswaranM. VernetM. VesterinenB. ViaudD. VieiraM. Vieites DiazH. ViemannX. Vilasis-CardonaM. VittiV. VolkovA. VollhardtB. VonekiA. VorobyevV. VorobyevC. VoßJ.A. de VriesC. Vázquez SierraR. WaldiC. WallaceR. WallaceJ. WalshJ. WangD.R. WardH.M. WarkN.K. WatsonD. WebsdaleA. WeidenM. WhiteheadJ. WichtG. WilkinsonM. WilkinsonM. WilliamsM.P. WilliamsT. WilliamsF.F. WilsonJ. WimberleyJ. WishahiW. WislickiM. WitekG. WormserS.A. WottonK. WraightK. WyllieY. XieZ. XingZ. XuZ. YangY. YaoH. YinJ. YuX. YuanO. YushchenkoK.A. ZarebskiM. ZavertyaevL. ZhangY. ZhangA. ZhelezovY. ZhengA. ZhokhovX. ZhuV. ZhukovS. Zucchelli
Source
Physics Letters B, Vol 769, Iss C, Pp 345-356 (2017)
Subject
Physics
QC1-999
Language
English
ISSN
0370-2693
1873-2445
Abstract
A search for time-integrated CP violation in the Cabibbo-suppressed decay D0→π+π−π+π− is performed using an unbinned, model-independent technique known as the energy test. This is the first application of the energy test in four-body decays. The search is performed for P-even CP asymmetries and, for the first time, is extended to probe the P-odd case. Using proton–proton collision data corresponding to an integrated luminosity of 3.0 fb−1 collected by the LHCb detector at centre-of-mass energies of s=7 TeV and 8 TeV, the world's best sensitivity to CP violation in this decay is obtained. The data are found to be consistent with the hypothesis of CP symmetry with a p-value of (4.6±0.5)% in the P-even case, and marginally consistent with a p-value of (0.6±0.2)% in the P-odd case, corresponding to a significance for CP non-conservation of 2.7 standard deviations.