Paper detail

Measurement of the leptonic asymmetry in ttbar events produced in ppbar collisions at sqrt(s)=1.96 TeV

We measure the asymmetry in the charge-weighted rapidity of the lepton in semileptonic ttbar decays recorded with the CDF II detector using the full Tevatron Run II sample, corresponding to an integrated luminosity of 9.4/fb. A parametrization of the asymmetry as a function of the charge-weighted rapidity is used to correct for the finite acceptance of the detector and recover the production-level asymmetry. The result of afb(lep) = 0.094 +0.032 -0.029 is to be compared to the standard model next-to-leading-order prediction of afb(lep) = 0.038 +-0.003.

preprint2013arXivOpen access
CDF CollaborationT. AaltonenS. AmerioD. AmideiA. AnastassovA. AnnoviJ. AntosG. ApollinariJ. A. AppelT. ArisawaA. ArtikovJ. AsaadiW. AshmanskasB. AuerbachA. AurisanoF. AzfarW. BadgettT. BaeA. Barbaro-GaltieriV. E. BarnesB. A. BarnettP. BarriaP. BartosM. BauceF. BedeschiS. BehariG. BellettiniJ. BellingerD. BenjaminA. BeretvasA. BhattiK. R. BlandB. BlumenfeldA. BocciA. BodekD. BortolettoJ. BoudreauA. BoveiaL. BrigliadoriC. BrombergE. BruckenJ. BudagovH. S. BuddK. BurkettG. BusettoP. BusseyP. ButtiA. BuzatuA. CalambaS. CamardaM. CampanelliF. CanelliB. CarlsD. CarlsmithR. CarosiS. CarrilloB. CasalM. CasarsaA. CastroP. CatastiniD. CauzV. CavaliereM. Cavalli-SforzaA. CerriL. CerritoY. C. ChenM. ChertokG. ChiarelliG. ChlachidzeK. ChoD. ChokheliA. ClarkC. ClarkeM. E. ConveryJ. ConwayM. CorboM. CordelliC. A. CoxD. J. CoxM. CremonesiD. CruzJ. CuevasR. CulbertsonN. d'AscenzoM. DattaP. de BarbaroL. DemortierL. MarcheseM. DeninnoF. DevotoM. D'ErricoA. Di CantoB. Di RuzzaJ. R. DittmannM. D'OnofrioS. DonatiM. DorigoA. DriuttiK. EbinaR. EdgarA. ElaginR. ErbacherS. ErredeB. EshamS. FarringtonJ. P. Fernández RamosR. FieldG. FlanaganR. ForrestM. FranklinJ. C. FreemanH. FrischY. FunakoshiC. GalloniA. F. GarfinkelP. GarosiH. GerberichE. GerchteinS. GiaguV. GiakoumopoulouK. GibsonC. M. GinsburgN. GiokarisP. GirominiG. GiurgiuV. GlagolevD. GlenzinskiM. GoldD. GoldinA. GolossanovG. GomezG. Gomez-CeballosM. GoncharovO. González LópezI. GorelovA. T. GoshawK. GoulianosE. GramelliniS. GrinsteinC. Grosso-PilcherR. C. GroupJ. Guimaraes da CostaS. R. HahnJ. Y. HanF. HappacherK. HaraM. HareR. F. HarrT. Harrington-TaberK. HatakeyamaC. HaysJ. HeinrichM. HerndonA. HockerZ. HongW. HopkinsS. HouR. E. HughesU. HusemannM. HusseinJ. HustonG. IntrozziM. IoriA. IvanovE. JamesD. JangB. JayatilakaE. J. JeonS. JindarianiM. JonesK. K. JooS. Y. JunT. R. JunkM. KambeitzT. KamonP. E. KarchinA. KasmiY. KatoW. KetchumJ. KeungB. KilminsterD. H. KimH. S. KimJ. E. KimM. J. KimS. B. KimS. H. KimY. K. KimY. J. KimN. KimuraM. KirbyK. KnoepfelK. KondoD. J. KongJ. KonigsbergA. V. KotwalM. KrepsJ. KrollM. KruseT. KuhrM. KurataA. T. LaasanenS. LammelM. LancasterK. LannonG. LatinoH. S. LeeJ. S. LeeS. LeoS. LeoneJ. D. LewisA. LimosaniE. LipelesA. ListerH. LiuQ. LiuT. LiuS. LockwitzA. LoginovA. LucàD. LucchesiJ. LueckP. LujanP. LukensG. LunguJ. LysR. LysakR. MadrakP. MaestroS. MalikG. MancaA. Manousakis-KatsikakisF. MargaroliP. MarinoM. MartínezK. MateraM. E. MattsonA. MazzacaneP. MazzantiR. McNultyA. MehtaP. MehtalaC. MesropianT. MiaoD. MietlickiA. MitraH. MiyakeS. MoedN. MoggiC. S. MoonR. MooreM. J. MorelloA. MukherjeeTh. MullerP. MuratM. MussiniJ. NachtmanY. NagaiJ. NaganomaI. NakanoA. NapierJ. NettC. NeuT. NigmanovL. NodulmanS. Y. NohO. NorniellaL. OakesS. H. OhY. D. OhI. OksuzianT. OkusawaR. OravaL. OrtolanC. PagliaroneE. PalenciaP. PalniV. PapadimitriouW. ParkerG. PaulettaM. PauliniC. PausT. J. PhillipsG. PiacentinoE. PianoriJ. PilotK. PittsC. PlagerL. PondromS. PoprockiK. PotamianosF. ProkoshinA. PrankoF. PtohosG. PunziN. RanjanI. Redondo FernándezP. RentonM. RescignoF. RimondiL. RistoriA. RobsonT. RodriguezS. RolliM. RonzaniR. RoserJ. L. RosnerF. RuffiniA. RuizJ. RussV. RusuW. K. SakumotoY. SakuraiL. SantiK. SatoV. SavelievA. Savoy-NavarroP. SchlabachE. E. SchmidtT. SchwarzL. ScodellaroF. ScuriS. SeidelY. SeiyaA. SemenovF. SforzaS. Z. ShalhoutT. ShearsP. F. ShepardM. ShimojimaM. ShochetI. Shreyber-TeckerA. SimonenkoK. SliwaJ. R. SmithF. D. SniderV. SorinH. SongM. StancariR. St. DenisD. StentzJ. StrologasY. SudoA. SukhanovI. SuslovK. TakemasaY. TakeuchiJ. TangM. TecchioP. K. TengJ. ThomE. ThomsonV. ThukralD. TobackS. TokarK. TollefsonT. TomuraD. TonelliS. TorreD. TorrettaP. TotaroM. TrovatoF. UkegawaS. UozumiF. VázquezG. VelevC. VellidisC. VernieriM. VidalR. VilarJ. VizánM. VogelG. VolpiP. WagnerR. WallnyS. M. WangD. WatersW. C. Wester IIID. WhitesonA. B. WicklundS. WilburH. H. WilliamsJ. S. WilsonP. WilsonB. L. WinerP. WittichS. WolbersH. WolfeT. WrightX. WuZ. WuK. YamamotoD. YamatoT. YangU. K. YangY. C. YangW. -M. YaoG. P. YehK. YiJ. YohK. YoritaT. YoshidaG. B. YuI. YuA. M. ZanettiY. ZengC. ZhouS. Zucchelli

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CDF CollaborationT. AaltonenS. AmerioD. AmideiA. AnastassovA. AnnoviJ. AntosG. ApollinariJ. A. AppelT. ArisawaA. ArtikovJ. AsaadiW. AshmanskasB. AuerbachA. AurisanoF. AzfarW. BadgettT. BaeA. Barbaro-GaltieriV. E. BarnesB. A. BarnettP. BarriaP. BartosM. BauceF. BedeschiS. BehariG. BellettiniJ. BellingerD. BenjaminA. BeretvasA. BhattiK. R. BlandB. BlumenfeldA. BocciA. BodekD. BortolettoJ. BoudreauA. BoveiaL. BrigliadoriC. BrombergE. BruckenJ. BudagovH. S. BuddK. BurkettG. BusettoP. BusseyP. ButtiA. BuzatuA. CalambaS. CamardaM. CampanelliF. CanelliB. CarlsD. CarlsmithR. CarosiS. CarrilloB. CasalM. CasarsaA. CastroP. CatastiniD. CauzV. CavaliereM. Cavalli-SforzaA. CerriL. CerritoY. C. ChenM. ChertokG. ChiarelliG. ChlachidzeK. ChoD. ChokheliA. ClarkC. ClarkeM. E. ConveryJ. ConwayM. CorboM. CordelliC. A. CoxD. J. CoxM. CremonesiD. CruzJ. CuevasR. CulbertsonN. d'AscenzoM. DattaP. de BarbaroL. DemortierL. MarcheseM. DeninnoF. DevotoM. D'ErricoA. Di CantoB. Di RuzzaJ. R. DittmannM. D'OnofrioS. DonatiM. DorigoA. DriuttiK. EbinaR. EdgarA. ElaginR. ErbacherS. ErredeB. EshamS. FarringtonJ. P. Fernández RamosR. FieldG. FlanaganR. ForrestM. FranklinJ. C. FreemanH. FrischY. FunakoshiC. GalloniA. F. GarfinkelP. GarosiH. GerberichE. GerchteinS. GiaguV. GiakoumopoulouK. GibsonC. M. GinsburgN. GiokarisP. GirominiG. GiurgiuV. GlagolevD. GlenzinskiM. GoldD. GoldinA. GolossanovG. GomezG. Gomez-CeballosM. GoncharovO. González LópezI. GorelovA. T. GoshawK. GoulianosE. GramelliniS. GrinsteinC. Grosso-PilcherR. C. GroupJ. Guimaraes da CostaS. R. HahnJ. Y. HanF. HappacherK. HaraM. HareR. F. HarrT. Harrington-TaberK. HatakeyamaC. HaysJ. HeinrichM. HerndonA. HockerZ. HongW. HopkinsS. HouR. E. HughesU. HusemannM. HusseinJ. HustonG. IntrozziM. IoriA. IvanovE. JamesD. JangB. JayatilakaE. J. JeonS. JindarianiM. JonesK. K. JooS. Y. JunT. R. JunkM. KambeitzT. KamonP. E. KarchinA. KasmiY. KatoW. KetchumJ. KeungB. KilminsterD. H. KimH. S. KimJ. E. KimM. J. KimS. B. KimS. H. KimY. K. KimY. J. KimN. KimuraM. KirbyK. KnoepfelK. KondoD. J. KongJ. KonigsbergA. V. KotwalM. KrepsJ. KrollM. KruseT. KuhrM. KurataA. T. LaasanenS. LammelM. LancasterK. LannonG. LatinoH. S. LeeJ. S. LeeS. LeoS. LeoneJ. D. LewisA. LimosaniE. LipelesA. ListerH. LiuQ. LiuT. LiuS. LockwitzA. LoginovA. LucàD. LucchesiJ. LueckP. LujanP. LukensG. LunguJ. LysR. LysakR. MadrakP. MaestroS. MalikG. MancaA. Manousakis-KatsikakisF. MargaroliP. MarinoM. MartínezK. MateraM. E. MattsonA. MazzacaneP. MazzantiR. McNultyA. MehtaP. MehtalaC. MesropianT. MiaoD. MietlickiA. MitraH. MiyakeS. MoedN. MoggiC. S. MoonR. MooreM. J. MorelloA. MukherjeeTh. MullerP. MuratM. MussiniJ. NachtmanY. NagaiJ. NaganomaI. NakanoA. NapierJ. NettC. NeuT. NigmanovL. NodulmanS. Y. NohO. NorniellaL. OakesS. H. OhY. D. OhI. OksuzianT. OkusawaR. OravaL. OrtolanC. PagliaroneE. PalenciaP. PalniV. PapadimitriouW. ParkerG. PaulettaM. PauliniC. PausT. J. PhillipsG. PiacentinoE. PianoriJ. PilotK. PittsC. PlagerL. PondromS. PoprockiK. PotamianosF. ProkoshinA. PrankoF. PtohosG. PunziN. RanjanI. Redondo FernándezP. RentonM. RescignoF. RimondiL. RistoriA. RobsonT. RodriguezS. RolliM. RonzaniR. RoserJ. L. RosnerF. RuffiniA. RuizJ. RussV. RusuW. K. SakumotoY. SakuraiL. SantiK. SatoV. SavelievA. Savoy-NavarroP. SchlabachE. E. SchmidtT. SchwarzL. ScodellaroF. ScuriS. SeidelY. SeiyaA. SemenovF. SforzaS. Z. ShalhoutT. ShearsP. F. ShepardM. ShimojimaM. ShochetI. Shreyber-TeckerA. SimonenkoK. SliwaJ. R. SmithF. D. SniderV. SorinH. SongM. StancariR. St. DenisD. StentzJ. StrologasY. SudoA. SukhanovI. SuslovK. TakemasaY. TakeuchiJ. TangM. TecchioP. K. TengJ. ThomE. ThomsonV. ThukralD. TobackS. TokarK. TollefsonT. TomuraD. TonelliS. TorreD. TorrettaP. TotaroM. TrovatoF. UkegawaS. UozumiF. VázquezG. VelevC. VellidisC. VernieriM. VidalR. VilarJ. VizánM. VogelG. VolpiP. WagnerR. WallnyS. M. WangD. WatersW. C. Wester IIID. WhitesonA. B. WicklundS. WilburH. H. WilliamsJ. S. WilsonP. WilsonB. L. WinerP. WittichS. WolbersH. WolfeT. WrightX. WuZ. WuK. YamamotoD. YamatoT. YangU. K. YangY. C. YangW. -M. YaoG. P. YehK. YiJ. YohK. YoritaT. YoshidaG. B. YuI. YuA. M. ZanettiY. ZengC. ZhouS. Zucchelli

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