Evidence for a mass dependent forward-backward asymmetry in top quark pair production

S. Amerio,D. Amidei,A. Anastassov,A. Annovi,J. Antoš,G. Apollinari,J. Appel,A. Apresyan,T. Arisawa,A. Artikov,J. Asaadi,W. Ashmanskas,B. Auerbach,A. Aurisano,F. Azfar,W. Badgett,A. Barbaro-Galtieri,V. Barnes,B. 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. Bland,B. Blumenfeld,A. Bocci,A. Bodek,D. Bortoletto,J. Boudreau,A. Boveia,B. Brau,L. Brigliadori,A. Brisuda,C. Bromberg,E. Brücken,M. Bucciantonio,J. Budagov,H. Budd,S. Budd,K. Burkett,G. Busetto,P. Bussey,A. Buzatu,C. Calancha,S. Camarda,M. Campanelli,M. 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,F. Šforza,A. Cerri,L. Cerrito,Y. Chen,M. Chertok,G. Chiarelli,G. Chlachidze,F. Chlebana,K. Cho,D. Chokheli,J. Chou,W. Chung,Y. Chung,C. Ciobanu,M. Ciocci,A. Clark,G. Compostella,M. Convery,J. Conway,M. Corbo,M. Cordelli,C. Cox,D. Cox,F. Crescioli,C. Almenar,J. Cuevas,R. Culbertson,D. Dagenhart,N. d’Ascenzo,M. Datta,P. Barbaro,S. Cecco,G. Lorenzo,M. Dell’Orso,C. Deluca,L. Demortier,J. Deng,M. Deninno,F. Devoto,M. d’Errico,A. Canto,B. Ruzza,J. Dittmann,M. D’Onofrio,S. Donati,P. Dong,M. Dorigo,T. Dorigo,K. Ebina,A. Elagin,A. Eppig,R. Erbacher,D. Errede,S. Errede,N. Ershaidat,R. Eusebi,H. Fang,S. Farrington,M. Feindt,J. Fernández,C. Ferrazza,R. Field,G. Flanagan,R. Forrest,M. Frank,M. Franklin,J. Freeman,Y. Funakoshi,I. Furic,M. Gallinaro,J. Galyardt,J. Garcia,A. Garfinkel,P. Garosi,H. Gerberich,E. Gerchtein,S. Giagu,V. Giakoumopoulou,P. Giannetti,K. Gibson,C. Ginsburg,N. Giokaris,P. Giromini,M. Giunta,G. Giurgiu,V. Glagolev,D. Glenzinski,M. Gold,D. Goldin,N. Goldschmidt,A. Golossanov,G. Gómez,M. Goncharov,O. López,I. Gorelov,A. Goshaw,K. Goulianos,A. Gresele,S. Grinstein,C. Grosso-Pilcher,R. Group,J. Costa,Z. Gunay-Unalan,C. Haber,S. Hahn,E. Halkiadakis,A. Hamaguchi,J. Han,F. Happacher,K. Hara,D. Hare,M. Hare,R. Harr,K. Hatakeyama,S. Hassani,M. Heck,J. Heinrich,M. Herndon,S. Hewamanage,D. Hidas,A. Höcker,W. Hopkins,D. Horn,S. Hou,R. Hughes,M. Hurwitz,U. Husemann,N. Hussain,M. Hussein,J. Huston,G. Introzzi,M. Iori,A. Ivanov,E. James,D. Jang,B. Jayatilaka,E. Jeon,M. Jha,S. Jindariani,W. Johnson,M. Jones,K. Joo,S. Jun,T. Junk,T. Kamon,P. Karchin,Yuji Katō,W. Ketchum,J. Keung,V. Khotilovich,B. Kilminster,D. Kim,H. Kim,J. Kim,M. Kim,S. Kim,Y. Kim,N. Kimura,M. Kirby,S. Klimenko,K. Kondo,D. Kong,J. Konigsberg,A. Kotwal,M. Kreps,J. Kroll,D. Krop,N. Krumnack,M. Kruse,V. Krutelyov,T. Kuhr,M. Kurata,S. Kwang,A. Laasanen,S. Lami,S. Lammel,G. Alverson,R. Lander,K. Lannon,A. Lath,G. Latino,I. Lazzizzera,T. LeCompte,E. Lee,H. Lee,J. Lee,S. Lee,S. Leo,S. Leone,J. Lewis,C.-J. Lin,J. Linacre,M. Lindgren,E. Lipeles,A. Lister,D. Litvintsev,C. Liu,Q. Liu,T. Liu,S. Lockwitz,N. Lockyer,A. Loginov,D. Lucchesi,J. Lueck,P. Lujan,P. Lukens,G. Lungu,J. Lys,R. Lysák,R. Madrak,K. Maeshima,K. Makhoul,P. Maksimovic,S. Malik,G. Manca,A. Manousakis-Katsikakis,F. Margaroli,C. Marino,M. Martı́nez,P. Mastrandrea,M. Mathis,M. Mattson,P. Mazzanti,K. McFarland,P. McIntyre,R. McNulty,A. Mehta,P. Mehtälä,A. Menzione,C. Mesropian,T. Miao,D. Mietlicki,A. Mitra,H. Miyake,S. Moëd,N. Moggi,M. Mondragón,C. Moon,M. Morello,J. Morlock,P. Fernandez,A. Mukherjee,Th. Müller,P. Murat,M. Mussini,J. Nachtman,Y. Nagai,J. Naganoma,I. Nakano,A. Napier,J. Nett,C. Neu,M. Neubauer,J. Nielsen,L. Nodulman,O. Norniella,E. Nurse,L. Oakes,S. Oh,Y. Oh,I. Oksuzian,T. Okusawa,R. Orava,L. Ortolan,S. Griso,C. Pagliarone,I. Redondo,V. Papadimitriou,A. Paramonov,J. Patrick,G. Pauletta,M. Paulini,C. Paus,D. Pellett,A. Penzo,T. 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,F. Ptochos,A. Rahaman,V. Ramakrishnan,N. Ranjan,P. Renton,M. Rescigno,F. Rimondi,L. Ristori,A. Robson,T. Rodrigo,T. Rodriguez,E. Rogers,S. Rolli,R. Roser,M. Rossi,F. Rubbo,F. Ruffini,A. Ruiz-Jimeno,J. Russ,V. Rusu,A. Safonov,W. Sakumoto,Y. Sakurai,L. Santi,L. Sartori,K. Satô,V. Saveliev,A. Savoy-Navarro,P. Schlabach,A. Schmidt,E. Schmidt,M. Schmidt,Michael Schmitt,Thomas Schwarz,L. Scodellaro,A. Scribano,F. Scuri,A. Sedov,S. Seidel,Y. Seiya,A. Semenov,A. Sfyrla,S. Shalhout,T. Shears,M. Shapiro,M. Shimojima,S. Shiraishi,M. Shochet,I. Shreyber,А. Симоненко,P. Sinervo,A. Sissakian,K. Śliwa,J. Smith,F. Snider,A. Soha,S. Somalwar,V. Sorı́n,P. Squillacioti,M. Stancari,M. Stanitzki,R. Denis,B. Stelzer,O. Stelzer-Chilton,D. Stentz,J. Strologas,G. Strycker,Y. Sudo,A. Sukhanov,I. Suslov,K. Takemasa,Y. Takeuchi,J. Tang,M. Tecchio,P. Teng,J. Thom,J. Thome,G. Thompson,E. Thomson,P. Ttito-Guzmán,S. Tkaczyk,S. Tokár,K. Tollefson,T. Tomura,K. Trabelsi,S. Torre,D. Torretta,P. Totaro,M. Trovato,Y. Tu,F. Ukegawa,S. Uozumi,A. Varganov,F. Vázquez,G. Velev,C. Vellidis,M. Marono,I. Vila,R. Cortabitarte,M. Vogel,M. Volpi,P. Wagner,R. Wagner,T. Wakisaka,R. Wallny,S. Wang,A. Warburton,D. Waters,M. Weinberger,W. Wester,B. Whitehouse,D. Whiteson,A. Wicklund,E. Wicklund,S. Wilbur,F. Wick,H. Williams,J. Wilson,P. Wilson,B. Winer,P. Wittich,S. Wolbers,H. Wolfe,T. Wright,X. Wu,Z. Wu,K. Yamamoto,J. Yamaoka,T. Yang,U. Yang,Y. Yang,W-M. Yao,G. Yeh,K. Yi,J. Yoh,K. Yorita,T. Yoshida,G. Yu,I. Yu,S. Yu,J. Yun,A. Zanetti,Y. Zeng,S. Zucchelli,Bárbara González,J. Antos̆,Artur Apresyan,Virgil Barnes,Patrizia Barria,Matteo Bauce,Barry Blumenfeld,Erik Brücken,Stefano Camarda,Andrea Castro,M. Cavalli-Sforza