Measurement of the top-quark mass in the ${t\bar{t}}$ dilepton channel using the full CDF Run II data set

T Aaltonen,R C Field,Andrew G Clark,J R Dittmann,M Bauce,B A Barnett,I Shreybertecker,I Oksuzian,Jae Sung Lee,K Matera,M Kambeitz,M Iori, A Driutti,K Cho, T Miao,H S Budd,R Erbacher,A Sukhanov, S Y Noh,P Barria,U K Yang,W Ketchum,M Paulini, D Amidei,H Gerberich,Y Kato,J Kroll, E Lipeles, T R Junk, A Kasmi,A Mitra,S Wilbur,P Palni,B Jayatilaka,J Yoh, G B Yu,S Y Jun,J Bellinger,J Budagov,L Santi,P Butti,K Kondo,L Ristori,M H Kirby,Jonathan L Rosner,T Harringtontaber,T Rodriguez,S Z Shalhout,K Takemasa,R E Hughes,Yoshiyuki Nagai,M Franklin,R Culbertson,D Jang,M Dorigo,D Cruz,S Behari,J Guimaraes Da Costa, N Giokaris,K Pitts,P Maestro, T Schwarz,S Wolbers, G Apollinari,P Lukens,I Gorelov,G Volpi,W J Parker,J Conway,A Buzatu,G P Yeh,J Asaadi,V Thukral, E Gramellini,Y J Kim,C Pagliarone,D J Kong,E Gerchtein,Javier Cuevas,A Simonenko,C Clarke,H Song,G Pauletta,R Moore,D Lucchesi,J E Kim,N Moggi,A Hocker,L Oakes,G Manca,F Happacher,S Farrington,B L Winer,C Hays, S Leo,A Luca,Xifeng Wu,M Kurata,W Ashmanskas, J Antos, D Carlsmith,J P Fernandez Ramos,A Mehta,H Wolfe,K J Gibson,M Donofrio, C Mesropian,C Plager,H Miyake,J Naganoma, Y Takeuchi,B Di Ruzza, R Orava, H Frisch,P E Karchin,S Giagu,D J Cox,A Mukherjee,F Devoto,V Sorin, D H Kim,G Busetto,J Pilot,P Wilson,Y Sudo,W M Yao,K Lannon,S Poprocki,P Giromini,M Hussein,M Vogel,B Blumenfeld, H S Kim,B Kilminster, F Azfar, A Anastassov, L Brigliadori, I Nakano,R Forrest,M Trovato, S Errede,J Lys,L Ortolan,Takeshi Yoshida,P Renton,I Suslov,G Chiarelli,T Liu,M Casarsa,D Chokheli, L Cerrito, J Vizan,A Castro, A Loginov, K Hatakeyama,Y D Oh,T Kamon,J Lueck,V Rusu,P Murat,A Artikov, M Kruse,D Yamato, P Catastini,T J Phillips,K Yamamoto,J Y Han,Y C Chen,S Moed, A Barbarogaltieri, M Shochet, J Nachtman,O Gonzalez Lopez, L Marchese, S R Hahn,A Calamba,P Wittich,L Scodellaro,M J Morello, Camilla Galloni,F Canelli,J Thom,G Piacentino,G Velev,M Kreps,H H Williams,D Bortoletto,M E Mattson, S Jindariani, Hanyu Liu,J Konigsberg,V Glagolev,S Tokar,L Demortier, S Seidel,E J Jeon,G Chlachidze, A Bocci,M Campanelli,D Tonelli,M Mussini,R Roser,T Shears,B Casal,A T Laasanen,M Hare,Zhi Hong,A Cerri,F Ukegawa,Timothy M Wright,K K Joo, Ryan Christopher Edgar,R Carosi,A Pranko,Q Liu,F Prokoshin,M Datta,E Brucken,A Robson, C Neu,A Napier,Matthew Jones, N Dascenzo,B Auerbach,Y Funakoshi,S M Wang,T Nigmanov, F Scuri, K Hara,P K Teng, A Limosani,V E Barnes,S H Oh,A Di Canto,W K Sakumoto,W C Wester,F Ruffini,K Yorita,Chongwu Zhou, G Punzi,G Introzzi,K Potamianos, S Rolli,R Vilar,P Schlabach, S Leone,O Norniella,M E Convery,J S Wilson,Andrew Ivanov,K R Bland,L Pondrom, M Shimojima,T Arisawa,M Ronzani,A F Garfinkel, D Goldin,P Garosi, G Bellettini,G Flanagan,K Ebina,P Lujan,D Torretta,M Goncharov,S Lockwitz,A Aurisano,M Cordelli,F Bedeschi,C M Ginsburg,S Carrillo,P Mazzanti,S Lammel, M Derrico,D Mietlicki, V Giakoumopoulou, M Rescigno,A Lister,J Freeman,A Semenov,F Vazquez,R F Harr,M J Kim,J Nett, Jianjun Tang,R St Denis,E Thomson,A Bhatti, E James,C Grossopilcher,E Palencia,D Glenzinski,F D Snider,P Wagner, W Hopkins,M Corbo,U Husemann,M Lancaster, S H Kim, A Savoynavarro,J Heinrich, Y Zeng,D Waters,K Sliwa, D Cauz,S Hou,P Totaro,D Benjamin,K J Knoepfel,Paolo Marino,A B Wicklund,A Golossanov, K Yi,F Margaroli,F Ptohos,J Strologas,G Gomez,M Herndon,B Carls,S Amerio,J D Lewis,Th Muller,J Huston,Zhisheng Wu,A Ruiz,I Redondo Fernandez,A Bodek, I Yu,E E Schmidt,Manuel Guillermo Ramis Vidal,S Zucchelli,M Stancari, A Annovi,J A Appel, A Beretvas,C Bromberg, C A Cox,P F Shepard,A V Kotwal,F Rimondi,N Kimura,Y Sakurai,S Malik,R Wallny, T Bae,Caterina Vernieri,J R Smith,M Gold, S Donati,R Lysak, K Burkett,T Okusawa, D Whiteson,W Badgett,V Saveliev,J Keung,F Sforza,Y C Yang,J Russ,V Cavaliere,P De Barbaro,M Cremonesi,D Stentz, A Manousakiskatsikakis,Tianshe Yang,P Bartos,D Toback, K Goulianos,K Tollefson, A Boveia,A T Goshaw, Y Seiya,E Pianori,G Gomezceballos,Ken Sato, G Lungu,C Vellidis, B Esham, T Kuhr,C S Moon, J Boudreau,S Torre,P Mehtala,R Mcnulty,M Tecchio, A Zanetti,A Elagin,R Madrak, C Paus, M Deninno,S Camarda,A Mazzacane, P Bussey,V Papadimitriou, L Nodulman, M Chertok,Hyun Seung Lee,S Uozumi,T Tomura,G Latino

PHYSICAL REVIEW D（2015）

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摘要

We present a measurement of the top-quark mass in events containing two leptons (electrons or muons) with a large transverse momentum, two or more energetic jets, and a transverse-momentum imbalance. We use the full proton-antiproton collision data set collected by the CDF experiment during the Fermilab Tevatron Run II at center-of-mass energy root s = 1.96 TeV, corresponding to an integrated luminosity of 9.1 fb(-1). A special observable is exploited for an optimal reduction of the dominant systematic uncertainty, associated with the knowledge of the absolute energy of the hadronic jets. The distribution of this observable in the selected events is compared to simulated distributions of t (t) over bar dilepton signal and background. We measure a value for the top-quark mass of 171.5 +/- 1.9 (stat) +/- 2.5 (syst) GeV/c(2).

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cdf,background

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