Measurement of the top pair production cross section in the lepton+jets channel using a jet flavor discriminant

T Aaltonen,B Alvarez Gonzalez,S Amerio,D Amidei,A Anastassov,A Annovi,J Antos,G Apollinari,J A Appel,A Apresyan,T Arisawa,A Artikov,J Asaadi,W Ashmanskas,B Auerbach,A Aurisano,F Azfar,W Badgett,A Barbarogaltieri,V E Barnes,B A Barnett,P Barria,P Bartos,M Bauce,G Bauer,F Bedeschi,D Beecher,S Behari,G Bellettini,J Bellinger,D Benjamin,A Beretvas,A Bhatti,M Binkley,D Bisello,I Bizjak,K R Bland,B Blumenfeld,A Bocci,A Bodek,D Bortoletto,J Boudreau,A Boveia,B Brau,L Brigliadori,A Brisuda,C Bromberg,E Brucken,M Bucciantonio,J Budagov,H S Budd,S Budd,K Burkett,G Busetto,P Bussey,A Buzatu,C Calancha,S Camarda,M Campanelli,Marion K Campbell,F Canelli,A Canepa,B Carls,D Carlsmith,R Carosi,S Carrillo,S Carron,B Casal,M Casarsa,A Castro,P Catastini,D Cauz,V Cavaliere,M Cavallisforza,A Cerri,L Cerrito,Y Chen,M Chertok,G Chiarelli,G Chlachidze,F Chlebana,Kyoungrok Cho,D Chokheli,J Chou,Woojae Chung,Y Chung,C I Ciobanu,M A Ciocci,A R Clark,G Compostella,M R Convery,James F Conway,Massimo Corbo,M Cordelli,C A Cox,D J Cox,F Crescioli,C Cuenca Almenar,J Cuevas,R Culbertson,D Dagenhart,N D Ascenzo,M Datta,P De Barbaro,S De Cecco,G De Lorenzo,M Dell Orso,C Deluca,L Demortier,J Deng,M Deninno,F Devoto,M D Errico,A Di Canto,B Di Ruzza,J R Dittmann,M D Onofrio,S Donati,Ping Dong,M Dorigo,T Dorigo,K Ebina,A Elagin,A Eppig,R Erbacher,D Errede,S Errede,N Ershaidat,R Eusebi,Haiping Fang,Sinead Farrington,M Feindt,J P Fernandez,C Ferrazza,R C Field,G Flanagan,R Forrest,M Frank,M Franklin,J Freeman,Y Funakoshi,I Furic,M Gallinaro,J Galyardt,Jesus Manuel Vizan Garcia,A F Garfinkel,P Garosi,H Gerberich,E Gerchtein,S Giagu,V Giakoumopoulou,P Giannetti,K Gibson,C M Ginsburg,N Giokaris,P Giromini,M Giunta,G Giurgiu,V Glagolev,D Glenzinski,M Gold,D Goldin,N Goldschmidt,A Golossanov,G Gomez,G Gomezceballos,M Goncharov,O Gonzalez,I Gorelov,A T Goshaw,K Goulianos,S Grinstein,C Grossopilcher,J Guimaraes Da Costa,Z Gunayunalan,C Haber,Songyop Hahn,E Halkiadakis,A Hamaguchi,Jinsoo Han,F Happacher,K Hara,D Hare,M Hare,R F Harr,K Hatakeyama,C Hays,M Heck,J Heinrich,M Herndon,S Hewamanage,D Hidas,A Hocker,W Hopkins,D Horn,S Hou,R E Hughes,M Hurwitz,U Husemann,N Hussain,M Hussein,J Huston,G Introzzi,M Iori,A Ivanov,E James,D Jang,B Jayatilaka,Eunyoung Jeon,Manoj Jha,S Jindariani,W Johnson,M Jones,K Joo,S Jun,T R Junk,T Kamon,P E Karchin,Azeddine Kasmi,Yoshiaki Kato,W Ketchum,J Keung,V Khotilovich,B Kilminster,D Kim,H Kim,Joungho Kim, Minkyung Kim,Soohyun Kim,Yoonjin Kim,N Kimura,M H Kirby,S Klimenko,K Kondo,D Kong,J Konigsberg,A V Kotwal,M Kreps,J Kroll,D Krop,N Krumnack,M Kruse,V A Krutelyov,T Kuhr,M Kurata,S Kwang,A T Laasanen,S Lami,S Lammel,M Lancaster,R Lander,K Lannon,A Lath,G Latino,T Lecompte,Euisin Lee,H Lee,J Lee,Sangjin Lee,S Leo,S Leone,J D Lewis,A Limosani,C J Lin,J Linacre,M Lindgren,E Lipeles,A Lister,D O Litvintsev,C Liu,Qing Liu,T Liu,S Lockwitz,N S Lockyer,A Loginov,D Lucchesi,J Lueck,P Lujan,P Lukens,G Lungu,J Lys,R Lysak,R Madrak,K Maeshima,K Makhoul,P Maksimovic,S Malik,G Manca,M Mangano,A Manousakiskatsikakis,F Margaroli,C P Marino,M A Martinez,R Martinezballarin,P Mastrandrea,M Mathis,Mark P Mattson,P Mazzanti,K S Mcfarland,P Mcintyre,R Mcnulty,A Mehta,P Mehtala,A Menzione,C Mesropian,T Miao,D Mietlicki,A Mitra,Hiroyuki Miyake,S Moed,N Moggi,M N Mondragon, Chaeyoung Moon,R A Moore,M J Morello,J Morlock,P Movilla Fernandez,A Mukherjee,Th Muller,P Murat,M Mussini,J Nachtman,Y Nagai,J Naganoma,I Nakano,A Napier,J Nett,C Neu,M S Neubauer,J Nielsen,L Nodulman,O Norniella,E Nurse,L Oakes,S Oh,Yeonmok Oh,I Oksuzian,T Okusawa,R Orava,L Ortolan,S Pagan Griso,C Pagliarone,E Palencia,V Papadimitriou,A A Paramonov,J Patrick,G Pauletta,M Paulini,C Paus,D Pellett,A Penzo,T J Phillips,G Piacentino,E Pianori,J Pilot,K Pitts,C Plager,L Pondrom,K Potamianos,O Poukhov,F Prokoshin,A Pronko,F Ptohos,E Pueschel,G Punzi,J Pursley,A Rahaman,V Ramakrishnan,N Ranjan,I Redondo,P Renton,M Rescigno,F Rimondi,L Ristori,A Robson,T Rodrigo,T Rodriguez,Everett M Rogers,S Rolli,R Roser,M Rossi,F Rubbo,F Ruffini,A Ruiz,J Russ,V Rusu,A Safonov,W K Sakumoto,Y Sakurai,L Santi,L Sartori,Ken Sato,V Saveliev,A Savoynavarro,P Schlabach,Alexander Schmidt,Erik Berg Schmidt,M P Schmidt,M Schmitt,T Schwarz,L Scodellaro,A Scribano,F Scuri,A Sedov,S Seidel,Y Seiya,A A Semenov,Elizabeth Sextonkennedy,F Sforza,A Sfyrla,S Z Shalhout,T Shears,P F Shepard,M Shimojima,S Shiraishi,M Shochet,I Shreyber,A Simonenko,P Sinervo,A N Sissakian,K Sliwa,John R Smith,F D Snider,A Soha,S Somalwar,V Sorin,P Squillacioti,M Stancari,M Stanitzki,R St Denis,B Stelzer,O Stelzerchilton,D Stentz,J Strologas,G L Strycker,Y Sudo,A Sukhanov,I Suslov,K Takemasa,Y Takeuchi,J Tang,M Tecchio,Pingkun Teng,J Thom,J Thome, G D Thompson,E Thomson,P Ttitoguzman,S Tkaczyk,D Toback,S Tokar,K Tollefson,T Tomura,D Tonelli,S Torre,D Torretta,P Totaro,M Trovato,Yongqiang Tu,F Ukegawa,S Uozumi,A Varganov,F Vazquez,G Velev,C Vellidis,M Vidal,I Vila,R Vilar,J Vizan,M Vogel,G Volpi,Peter D Wagner,R G Wagner,T Wakisaka,R Wallny,Shan Wang,A Warburton,D Waters,M Weinberger,W C Wester,B Whitehouse,D Whiteson,A B Wicklund,E Wicklund,S Wilbur,F Wick,H H Williams,J R Wilson,P Wilson,B L Winer,P Wittich,S Wolbers,H Wolfe,Thomas P Wright,Xifeng Wu, Zhiyong Wu,K Yamamoto,J Yamaoka,Tahone Yang,Unki Yang,Yuting Yang,W M Yao,G Yeh,K Yi,J Yoh,K Yorita,Takeshi Yoshida,Guojun Yu,I Yu,S Yu,Jongho Yun,A Zanetti,Y Zeng,S Zucchelli

PHYSICAL REVIEW D（2011）

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摘要

We present a new method to measure the top quark pair production cross section and the background rates with data corresponding to an integrated luminosity of 2.7 fb(-1) from p (p) over bar collisions at root s = 1.96 TeV collected with the CDF II Detector. We select events with a single electron or muon candidate, missing transverse energy, and at least one b-tagged jet. We perform a simultaneous fit to a jet flavor discriminant across nine samples defined by the number of jets and b tags. An advantage of this approach is that many systematic uncertainties are measured in situ and inversely scale with integrated luminosity. We measure a top cross section of sigma(t (t) over bar) 7.64 +/- 0.57(stat + syst) +/- 0.45(luminosity) pb.

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background,cdf

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