6533b839fe1ef96bd12a6d31

RESEARCH PRODUCT

Measurement of the forward-backward asymmetry in top quark-antiquark production inpp¯collisions using thelepton+jetschannel

A. DasP. SvoiskyR. Van KootenHui LiR. Magaña-villalbaS. W. ChoM. D. CorcoranGianluca PetrilloSung Keun ParkShabnam JabeenL. HanF. MiconiE. De La Cruz-bureloY. T. TsaiOleg BrandtV. V. TokmeninJ. Martínez-ortegaBjoern PenningKonstantinos PetridisY. IlchenkoAndrew BrandtRaymond BrockA. JonckheereM. C. CousinouA. LobodenkoVipin BhatnagarGregory R SnowH. A. NealDaria ZieminskaT. R. WyattCarsten HenselJ. T. LinnemannR. BeuselinckH. GreenleeM. EadsW. M. Van LeeuwenK. YipU. BasslerJose Andres Garcia-gonzalezR. PartridgeAaron DominguezP. N. RatoffY. PetersV. SimakSabine LammersA. BrossJason Dhia MansourM. CookeRegina DeminaM. JaffréS. DesaiMaksym TitovPetr VokacRobert HiroskyJoseph HaleyK. A. JohnsA. MelnitchoukThibault GuilleminJ. K. LimKenneth BloomV. L. MalyshevY. W. LiuV. E. BazterraAlexander KupcoMitchell WayneD. MenezesH. SchellmanJ. M. KohliMarco VerzocchiJ. P. AgnewD. A. StoyanovaJ. P. NegretS. ChakrabartiMarc BesanconG. GrenierG. GrenierM. HohlfeldA. PatwaA. P. HeinsonStefan GrünendahlMarcia BegalliChristophe RoyonR. IllingworthP. RubinovG. GutierrezHongfang LiuJ. M. HauptmanCecilia Elena GerberI. KatsanosYuji EnariS. W. YounRuchika NayyarA. JayasingheY. A. YatsunenkoM. A. PleierR. Luna-garciaN. ParuaD. VilanovaRandy RuchtiShangfeng YangSuneel DuttM. S. JeongMeenakshi NarainH. D. WahlJ. SekaricMichael A. StraussL. S. VertogradovJ. OrdunaA. AltonG. GintherG. GintherMichael HildrethMartin GrunewaldMilos LokajicekS. BhatiaR. BernhardGavin Grant HeskethM. BuehlerT. NunnemannB. TuchmingJianming QianEmilien ChaponB. BaldinW. E. CooperM. M. MeijerN. ProkopenkoCarlos AvilaD. SmirnovBrad AbbottT. YasudaV. BunichevW. M. LeeKamil AugstenM. P. SandersDarien WoodB. C.k. CaseyDarren PriceXiaowen LeiDon LincolnErich VarnesVladimir GavrilovPierre PetroffT. ScanlonGuo-ming ChenS. KermicheR. JesikP. LebrunP. LebrunC. P. BuszelloH. T. NguyenSuman Bala BeriY. N. KharzheevJ. SnowJean-arcady MeyerGordon WattsGuennadi BorissovL. BagbyI. Heredia-de La CruzArnaud DuperrinV. HynekB. S. AcharyaYuehong XieM. VesterinenLidija ZivkovicPushpalatha C BhatS. UzunyanW. C. FisherHarald FoxS. BlessingJohn HobbsS. J. De JongB. HoeneisenLee SawyerH. E. FiskT. HeadJ. ClutterR. MadarJ. M. YuNeeti ParasharP. F. DingV. M. PodstavkovL. SuterPhilip BaringerScott SnyderI. HowleyK. M. ChanMarvin JohnsonA. L. LyonM. R. AdamsSteven W. ShawA. Y. VerkheevK. HernerPhillip GutierrezJ. WeichertK. DevaughanI. A. VasilyevMarkus WobischAndreas Werner JungJ. HoganTodd AdamsH. HegabV. PariharM. FortnerI. RazumovA. A. ShchukinAran Garcia-bellidoFrank FiedlerP. NeustroevM. ZielinskiA. V. KozelovE. KajfaszJ. ZennamoA. DubeyJ. L. HolzbauerG. D. AlexeevFlera RizatdinovaA. ChandraS. UvarovMark Richard James WilliamsVictor Daniel ElviraDmitri TsybychevR. L. MccarthyAmnon HarelS. CihangirUlrich HeintzFabrice CoudercElizaveta ShabalinaJ. HaysD. KarmanovSuyong ChoiFrank FilthautFrederic DeliotX. B. BuM. DiesburgL. FengA. V. PopovD. R. ClaesGavin DaviesT. G. ZhaoG. SavageR. Lopes De SaJ. JoshiAvto KharchilavaD. OrbakerB. QuinnShih-chang LeeM. SavitskyiW. YeSudhir MalikIa IashviliA. K.a. MacielJ. WarcholP. H. GarbinciusV. M. AbazovV. SharyLiang LiC. SchwanenbergerAlice BeanBrajesh C ChoudharyG. GolovanovD. EdmundsAngelo De Souza SantosPh GrisT. HoangAlexander KhanovLev DudkoVolker BuescherY. ScheglovZhenyu YeA. Sanchez-hernandezD. V. BandurinS. GrederIain Alexander BertramYuri GershteinGregorio BernardiD. DenisovS. Söldner-remboldEmanuela BarberisChristopher George TullyQ. Z. LiZdenek HubacekI. KiselevichE. Camacho-pérezA. JusteHal EvansThomas FerbelM. PrewittLars SonnenscheinJ. OstaPatrick SlatteryEmily JohnsonReinhard SchwienhorstAshok KumarAndrew AskewV. N. EvdokimovM. RominskyGraham WilsonM. BorysovaJ. KrausO. GogotaJan StarkMaxim PerfilovA. S. ItoW. GengW. GengN. KhalatyanR. D. SchambergerL. BellantoniCecile DeterreJi ZhuD. HedinV. V. LipaevJ. LellouchP. D. GrannisD. LiA. FauréNikos VarelasC. L. McgivernBing ZhouI. Ripp-baudotA. MeyerF. BadaudS. CaughronArnulf QuadtElemer NagyS. AtkinsN. OsmanM. MerkinV. A. KuzminN. K. MondalD. BolineH. T. DiehlP. SkubicA. BoehnleinJ. EllisonS. FuessT. KurcaT. KurcaM. H.l.s. WangAnthony RossAlexander GrohsjeanLev UvarovL. Welty-riegerPedro G MercadanteG. C. BlazeyP. JiangHang YinR. YamadaE. E. BoosHeriberto Castilla-valdezJean-francois GrivazP. JonssonA. PalThomas HebbekerKristian HarderA. FalkowskiD. CuttsSw. BanerjeeSergey BurdinK. SoustruznikS. P. DenisovD. N. BrownG. SajotMichael MulhearnHorst SeveriniHakjae LeeRichard B. LiptonJ. F. BartlettRobert KehoeG. Alkhazov

subject

PhysicsNuclear and High Energy PhysicsTop quarkParticle physicsHigh Energy Physics::Latticemedia_common.quotation_subjectHigh Energy Physics::PhenomenologyTevatronD0 experimentAsymmetryStandard ModelNuclear physicsHigh Energy Physics::ExperimentInvariant massFermilabmedia_commonLepton

description

We present a measurement of the forward-backward asymmetry in top quark-antiquark production using the full Tevatron Run II data set collected by the D0 experiment at Fermilab. The measurement is performed in lepton + jets final states using a new kinematic fitting algorithm for events with four or more jets and a new partial reconstruction algorithm for events with only three jets. Corrected for detector acceptance and resolution effects, the asymmetry is evaluated to be A(FB) = (10.6 +/- 3.0)%. Results are consistent with the standard model predictions which range from 5.0% to 8.8%. We also present the dependence of the asymmetry on the invariant mass of the top quark-antiquark system and the difference in rapidities of the top quark and antiquark.

yearjournalcountryeditionlanguage
2014-10-29Physical Review D
https://doi.org/10.1103/physrevd.90.072011