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First measurement of the forward-backward asymmetry in bottom-quark pair production at high mass

Title
First measurement of the forward-backward asymmetry in bottom-quark pair production at high mass
Authors
Aaltonen, T.Amerio, S.Amidei, D.Anastassov, A.Annovi, A.Antos, J.Apollinari, G.Appel, J. A.Arisawa, T.Artikov, A.Asaadi, J.Ashmanskas, W.Auerbach, B.Aurisano, A.Azfar, F.Badgett, W.Bae, T.Barbaro-Galtieri, A.Barnes, V. E.Barnett, B. A.Barria, P.Bartos, P.Bauce, M.Bedeschi, F.Behari, S.Bellettini, G.Bellinger, J.Benjamin, D.Beretvas, A.Bhatti, A.Bland, K. R.Blumenfeld, B.Bocci, A.Bodek, A.Bortoletto, D.Boudreau, J.Boveia, A.Brigliadori, L.Bromberg, C.Brucken, E.Budagov, J.Budd, H. S.Burkett, K.Busetto, G.Bussey, P.Butti, P.Buzatu, A.Calamba, A.Camarda, S.Campanelli, M.Canelli, F.Carls, B.Carlsmith, D.Carosi, R.Carrillo, S.Casal, B.Casarsa, M.Castro, A.Catastini, P.Cauz, D.Cavaliere, V.Cerri, A.Cerrito, L.Chen, Y. C.Chertok, M.Chiarelli, G.Chlachidze, G.Cho, K.Chokheli, D.Clark, A.Clarke, C.Convery, M. E.Conway, J.Corbo, M.Cordelli, M.Cox, C. A.Cox, D. J.Cremonesi, M.Cruz, D.Cuevas, J.Culbertson, R.d'Ascenzo, N.Datta, M.de Barbaro, P.Demortier, L.Deninno, M.D'Errico, M.Devoto, F.Di Canto, A.Di Ruzza, B.Dittmann, J. R.Donati, S.D'Onofrio, M.Dorigo, M.Driutti, A.Ebina, K.Edgar, R.Elagin, A.Erbacher, R.Errede, S.Esham, B.Farrington, S.Fernandez Ramos, J. P.Field, R.Flanagan, G.Forrest, R.Franklin, M.Freeman, J. C.Frisch, H.Funakoshi, Y.Galloni, C.Garfinkel, A. F.Garosi, P.Gerberich, H.Gerchtein, E.Giagu, S.Giakoumopoulou, V.Gibson, K.Ginsburg, C. M.Giokaris, N.Giromini, P.Glagolev, V.Glenzinski, D.Gold, M.Goldin, D.Golossanov, A.Gomez, G.Gomez-Ceballos, G.Goncharov, M.Gonzalez Lopez, O.Gorelov, I.Goshaw, A. T.Goulianos, K.Gramellini, E.Grosso-Pilcher, C.Group, R. C.da Costa, J. GuimaraesHahn, S. R.Han, J. Y.Happacher, F.Hara, K.Hare, M.Harr, R. F.Harrington-Taber, T.Hatakeyama, K.Hays, C.Heinrich, J.Henry, S.Herndon, M.Hocker, A.Hong, Z.Hopkins, W.Hou, S.Hughes, R. E.Husemann, U.Hussein, M.Huston, J.Introzzi, G.Iori, M.Ivanov, A.James, E.Jang, D.Jayatilaka, B.Jeon, E. J.Jindariani, S.Jones, M.Joo, K. K.Jun, S. Y.Junk, T. R.Kambeitz, M.Kamon, T.Karchin, P. E.Kasmi, A.Kato, Y.Ketchum, W.Keung, J.Kilminster, B.Kim, D. H.Kim, H. S.Kim, J. E.Kim, M. J.Kim, S. H.Kim, S. B.Kim, Y. J.Kim, Y. K.Kimura, N.Kirby, M.Knoepfel, K.Kondo, K.Kong, D. J.Konigsberg, J.Kotwal, A. V.Kreps, M.Kroll, J.Kruse, M.Kuhr, T.Kurata, M.Laasanen, A. T.Lammel, S.Lancaster, M.Lannon, K.Latino, G.Lee, H. S.Lee, J. S.Leo, S.Leone, S.Lewis, J. D.Limosani, A.Lipeles, E.Lister, A.Liu, H.Liu, Q.Liu, T.Lockwitz, S.Loginov, A.Lucchesi, D.Luca, A.Lueck, J.Lujan, P.Lukens, P.Lungu, G.Lys, J.Lysak, R.Madrak, R.Maestro, P.Malik, S.Manca, G.Manousakis-Katsikakis, A.Marchese, L.Margaroli, F.Marino, P.Matera, K.Mattson, M. E.Mazzacane, A.Mazzanti, P.McNulty, R.Mehta, A.Mehtala, P.Mesropian, C.Miao, T.Mietlicki, D.Mitra, A.Miyake, H.Moed, S.Moggi, N.Moon, C. S.Moore, R.Morello, M. J.Mukherjee, A.Muller, Th.Murat, P.Mussini, M.Nachtman, J.Nagai, Y.Naganoma, J.Nakano, I.Napier, A.Nett, J.Neu, C.Nigmanov, T.Nodulman, L.Noh, S. Y.Norniella, O.Oakes, L.Oh, S. H.Oh, Y. D.Oksuzian, I.Okusawa, T.Orava, R.Ortolan, L.Pagliarone, C.Palencia, E.Palni, P.Papadimitriou, V.Parker, W.Pauletta, G.Paulini, M.Paus, C.Phillips, T. J.Piacentino, G.Pianori, E.Pilot, J.Pitts, K.Plager, C.Pondrom, L.Poprocki, S.Potamianos, K.Pranko, A.Prokoshin, F.Ptohos, F.Punzi, G.Redondo Fernandez, I.Renton, P.Rescigno, M.Rimondi, F.Ristori, L.Robson, A.Rodriguez, T.Rolli, S.Ronzani, M.Roser, R.Rosner, J. L.Ruffini, F.Ruiz, A.Russ, J.Rusu, V.Sakumoto, W. K.Sakurai, Y.Santi, L.Sato, K.Saveliev, V.Savoy-Navarro, A.Schlabach, P.Schmidt, E. E.Schwarz, T.Scodellaro, L.Scuri, F.Seidel, S.Seiya, Y.Semenov, A.Sforza, F.Shalhout, S. Z.Shears, T.Shepard, P. F.Shimojima, M.Shochet, M.Shreyber-Tecker, I.Simonenko, A.Sliwa, K.Smith, J. R.Snider, F. D.Song, H.Sorin, V.Denis, R. St.Stancari, M.Stentz, D.Strologas, J.Sudo, Y.Sukhanov, A.Suslov, I.Takemasa, K.Takeuchi, Y.Tang, J.Tecchio, M.Teng, P. K.Thom, J.Thomson, E.Thukral, V.Toback, D.Tokar, S.Tollefson, K.Tomura, T.Tonelli, D.Torre, S.Torretta, D.Totaro, P.Trovato, M.Ukegawa, F.Uozumi, S.Vazquez, F.Velev, G.Vellidis, C.Vernieri, C.Vidal, M.Vilar, R.Vizan, J.Vogel, M.Volpi, G.Wagner, P.Wallny, R.Wang, S. M.Waters, D.Wester, W. C., IIIWhiteson, D.Wicklund, A. B.Wilbur, S.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.Yamato, D.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.Zanetti, A. M.Zeng, Y.Zhou, C.Zucchelli, S.CDf Collaboration
Ewha Authors
이현수
SCOPUS Author ID
이현수scopusscopus
Issue Date
2015
Journal Title
PHYSICAL REVIEW D
ISSN
1550-7998JCR Link1550-2368JCR Link
Citation
vol. 92, no. 3
Publisher
AMER PHYSICAL SOC
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We measure the particle-level forward-backward production asymmetry in b (b) over bar pairs with masses (m(b (b) over bar)) larger than 150 GeV/c(2), using events with hadronic jets and employing jet charge to distinguish b from (b) over bar. The measurement uses 9.5 fb(-1) of p (p) over bar collisions at a center-of-mass energy of 1.96 TeV recorded by the CDF II detector. The asymmetry as a function of m(b (b) over bar) is consistent with zero, as well as with the predictions of the standard model. The measurement disfavors a simple model including an axigluon with a mass of 200 GeV/c(2), whereas a model containing a heavier 345 GeV/c(2) axigluon is not excluded.
DOI
10.1103/PhysRevD.92.032006
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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