학술논문

Measurement of the Mass Difference Between Top and Anti-top Quarks at CDF
Document Type
Working Paper
Author
Aaltonen, T.Gonzalez, B. AlvarezAmerio, S.Amidei, D.Anastassov, A.Annovi, A.Antos, J.Apollinari, G.Appel, J. A.Apresyan, A.Arisawa, T.Artikov, A.Asaadi, J.Ashmanskas, W.Auerbach, B.Aurisano, A.Azfar, F.Badgett, W.Barbaro-Galtieri, A.Barnes, V. E.Barnett, B. A.Barria, P.Bartos, P.Bauce, M.Bauer, G.Bedeschi, F.Beecher, D.Behari, S.Bellettini, G.Bellinger, J.Benjamin, D.Beretvas, A.Bhatti, A.Binkley, M.Bisello, D.Bizjak, I.Bland, K. R.Blumenfeld, B.Bocci, A.Bodek, A.Bortoletto, D.Boudreau, J.Boveia, A.Brigliadori, L.Brisuda, A.Bromberg, C.Brucken, E.Bucciantonio, M.Budagov, J.Budd, H. S.Budd, S.Burkett, K.Busetto, G.Bussey, P.Buzatu, A.Calancha, C.Camarda, S.Campanelli, M.Campbell, M.Canelli, F.Carls, B.Carlsmith, D.Carosi, R.Carrillo, S.Carron, S.Casal, B.Casarsa, M.Castro, A.Catastini, P.Cauz, D.Cavaliere, V.Cavalli-Sforza, M.Cerri, A.Cerrito, L.Chen, Y. C.Chertok, M.Chiarelli, G.Chlachidze, G.Chlebana, F.Cho, K.Chokheli, D.Chou, J. P.Chung, W. H.Chung, Y. S.Ciobanu, C. I.Ciocci, M. A.Clark, A.Clarke, C.Compostella, G.Convery, M. E.Conway, J.Corbo, M.Cordelli, M.Cox, C. A.Cox, D. J.Crescioli, F.Almenar, C. CuencaCuevas, J.Culbertson, R.Dagenhart, D.d'Ascenzo, N.Datta, M.de Barbaro, P.De Cecco, S.De Lorenzo, G.Dell'Orso, M.Deluca, C.Demortier, L.Deng, J.Deninno, M.Devoto, F.d'Errico, M.Di Canto, A.Di Ruzza, B.Dittmann, J. R.D'Onofrio, M.Donati, S.Dong, P.Dorigo, M.Dorigo, T.Ebina, K.Elagin, A.Eppig, A.Erbacher, R.Errede, D.Errede, S.Ershaidat, N.Eusebi, R.Fang, H. C.Farrington, S.Feindt, M.Fernandez, J. P.Ferrazza, C.Field, R.Flanagan, G.Forrest, R.Frank, M. J.Franklin, M.Freeman, J. C.Funakoshi, Y.Furic, I.Gallinaro, M.Galyardt, J.Garcia, J. E.Garfinkel, A. F.Garosi, P.Gerberich, H.Gerchtein, E.Giagu, S.Giakoumopoulou, V.Giannetti, P.Gibson, K.Ginsburg, C. M.Giokaris, N.Giromini, P.Giunta, M.Giurgiu, G.Glagolev, V.Glenzinski, D.Gold, M.Goldin, D.Goldschmidt, N.Golossanov, A.Gomez, G.Gomez-Ceballos, G.Goncharov, M.Gonzalez, O.Gorelov, I.Goshaw, A. T.Goulianos, K.Grinstein, S.Grosso-Pilcher, C.Group, R. C.da Costa, J. GuimaraesGunay-Unalan, Z.Haber, C.Hahn, S. R.Halkiadakis, E.Hamaguchi, A.Han, J. Y.Happacher, F.Hara, K.Hare, D.Hare, M.Harr, R. F.Hatakeyama, K.Hays, C.Heck, M.Heinrich, J.Herndon, M.Hewamanage, S.Hidas, D.Hocker, A.Hopkins, W.Horn, D.Hou, S.Hughes, R. E.Hurwitz, M.Husemann, U.Hussain, N.Hussein, M.Huston, J.Introzzi, G.Iori, M.Ivanov, A.James, E.Jang, D.Jayatilaka, B.Jeon, E. J.Jha, M. K.Jindariani, S.Johnson, W.Jones, M.Joo, K. K.Jun, S. Y.Junk, T. R.Kamon, T.Karchin, P. E.Kasmi, A.Kato, Y.Ketchum, W.Keung, J.Khotilovich, V.Kilminster, B.Kim, D. H.Kim, H. S.Kim, H. W.Kim, J. E.Kim, M. J.Kim, S. B.Kim, S. H.Kim, Y. K.Kimura, N.Kirby, M.Klimenko, S.Kondo, K.Kong, D. J.Konigsberg, J.Kotwal, A. V.Kreps, M.Kroll, J.Krop, D.Krumnack, N.Kruse, M.Krutelyov, V.Kuhr, T.Kurata, M.Kwang, S.Laasanen, A. T.Lami, S.Lammel, S.Lancaster, M.Lander, R. L.Lannon, K.Lath, A.Latino, G.LeCompte, T.Lee, E.Lee, H. S.Lee, J. S.Lee, S. W.Leo, S.Leone, S.Lewis, J. D.Limosani, A.Lin, C. -J.Linacre, J.Lindgren, M.Lipeles, E.Lister, A.Litvintsev, D. O.Liu, C.Liu, Q.Liu, T.Lockwitz, S.Loginov, A.Lucchesi, D.Lueck, J.Lujan, P.Lukens, P.Lungu, G.Lys, J.Lysak, R.Madrak, R.Maeshima, K.Makhoul, K.Malik, S.Manca, G.Manousakis-Katsikakis, A.Margaroli, F.Marino, C.Martinez, M.Martinez-Ballarin, R.Mastrandrea, P.Mattson, M. E.Mazzanti, P.McFarland, K. S.McIntyre, P.McNulty, R.Mehta, A.Mehtala, P.Menzione, A.Mesropian, C.Miao, T.Mietlicki, D.Mitra, A.Miyake, H.Moed, S.Moggi, N.Mondragon, M. N.Moon, C. S.Moore, R.Morello, M. J.Morlock, J.Fernandez, P. MovillaMukherjee, A.Muller, Th.Murat, P.Mussini, M.Nachtman, J.Nagai, Y.Naganoma, J.Nakano, I.Napier, A.Nett, J.Neu, C.Neubauer, M. S.Nielsen, J.Nodulman, L.Norniella, O.Nurse, E.Oakes, L.Oh, S. H.Oh, Y. D.Oksuzian, I.Okusawa, T.Orava, R.Ortolan, L.Griso, S. PaganPagliarone, C.Palencia, E.Papadimitriou, V.Paramonov, A. A.Patrick, J.Pauletta, G.Paulini, M.Paus, C.Pellett, D. E.Penzo, A.Phillips, T. J.Piacentino, G.Pianori, E.Pilot, J.Pitts, K.Plager, C.Pondrom, L.Poprocki, S.Potamianos, K.Poukhov, O.Prokoshin, F.Pronko, A.Ptohos, F.Pueschel, E.Punzi, G.Pursley, J.Rahaman, A.Ramakrishnan, V.Ranjan, N.Ray, J.Redondo, I.Renton, P.Rescigno, M.Riddick, T.Rimondi, F.Ristori, L.Robson, A.Rodrigo, T.Rodriguez, T.Rogers, E.Rolli, S.Roser, R.Rossi, M.Rubbo, F.Ruffini, F.Ruiz, A.Russ, J.Rusu, V.Safonov, A.Sakumoto, W. K.Sakurai, Y.Santi, L.Sartori, L.Sato, K.Saveliev, V.Savoy-Navarro, A.Schlabach, P.Schmidt, A.Schmidt, E. E.Schmidt, M. P.Schmitt, M.Schwarz, T.Scodellaro, L.Scribano, A.Scuri, F.Sedov, A.Seidel, S.Seiya, Y.Semenov, A.Sforza, F.Sfyrla, A.Shalhout, S. Z.Shears, T.Shepard, P. F.Shimojima, M.Shiraishi, S.Shochet, M.Shreyber, I.Simonenko, A.Sinervo, P.Sissakian, A.Sliwa, K.Smith, J. R.Snider, F. D.Soha, A.Somalwar, S.Sorin, V.Squillacioti, P.Stancari, M.Stanitzki, M.Denis, R. St.Stelzer, B.Stelzer-Chilton, O.Stentz, D.Strologas, J.Strycker, G. L.Sudo, Y.Sukhanov, A.Suslov, I.Takemasa, K.Takeuchi, Y.Tang, J.Tecchio, M.Teng, P. K.Thom, J.Thome, J.Thompson, G. A.Thomson, E.Ttito-Guzman, P.Tkaczyk, S.Toback, D.Tokar, S.Tollefson, K.Tomura, T.Tonelli, D.Torre, S.Torretta, D.Totaro, P.Trovato, M.Tu, Y.Ukegawa, F.Uozumi, S.Varganov, A.Vasquez, J.Vazquez, F.Velev, G.Vellidis, C.Vidal, M.Vila, I.Vilar, R.Vizan, J.Vogel, M.Volpi, G.Wagner, P.Wagner, R. L.Wakisaka, T.Wallny, R.Wang, S. M.Warburton, A.Waters, D.Weinberger, M.Wester III, W. C.Whitehouse, B.Whiteson, D.Wicklund, A. B.Wicklund, E.Wilbur, S.Wick, F.Williams, H. H.Wilson, J. S.Wilson, P.Winer, B. L.Wittich, P.Wolbers, S.Wolfe, H.Wright, T.Wu, X.Wu, Z.Yamamoto, K.Yamaoka, J.Yang, T.Yang, U. K.Yang, Y. C.Yao, W. -M.Yeh, G. P.Yi, K.Yoh, J.Yorita, K.Yoshida, T.Yu, G. B.Yu, I.Yu, S. S.Yun, J. C.Zanetti, A.Zeng, Y.Zucchelli, S.
Source
Phys. Rev. D 87, 052013 (2013)
Subject
High Energy Physics - Experiment
Language
Abstract
We present a measurement of the mass difference between top ($t$) and anti-top ($\bar{t}$) quarks using $t\bar{t}$ candidate events reconstructed in the final state with one lepton and multiple jets. We use the full data set of Tevatron $\sqrt{s} = 1.96$ TeV proton-antiproton collisions recorded by the CDF II detector, corresponding to an integrated luminosity of 8.7 fb$^{-1}$. We estimate event-by-event the mass difference to construct templates for top-quark signal events and background events. The resulting mass difference distribution of data compared to signal and background templates using a likelihood fit yields $\Delta M_{top} = {M}_{t} - {M}_{\bar{t}} = -1.95 $pm$ 1.11 (stat) $pm$ 0.59 (syst)$ and is in agreement with the standard model prediction of no mass difference.
Comment: Accepted in Phys. Rev. D