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Measurement of W-boson polarization in top-quark decay using the full CDF Run II data set

Title
Measurement of W-boson polarization in top-quark decay using the full CDF Run II data set
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.Cavalli-Sforza, M.Cerri, A.Cerrito, L.Chen, Y. C.Chertok, M.Chiarelli, G.Chlachidze, G.Cho, K.Chokheli, D.Ciocci, M. A.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.Devoto, F.d'Errico, M.Di Canto, A.Di Ruzza, B.Dittmann, J. R.D'Onofrio, M.Donati, S.Dorigo, M.Driutti, A.Ebina, K.Edgar, R.Elagin, A.Erbacher, R.Errede, S.Esham, B.Eusebi, R.Farrington, S.Fernandez Ramos, J. P.Field, R.Flanagan, G.Forrest, R.Franklin, M.Freeman, J. C.Frisch, H.Funakoshi, Y.Garfinkel, A. F.Garosi, P.Gerberich, H.Gerchtein, E.Giagu, S.Giakoumopoulou, V.Gibson, K.Ginsburg, C. M.Giokaris, N.Giromini, P.Giurgiu, G.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.Grinstein, S.Grosso-Pilcher, C.Group, R. C.Guimaraes da Costa, J.Hahn, S. R.Han, J. Y.Happacher, F.Hara, K.Hare, M.Harr, R. F.Harrington-Taber, T.Hatakeyama, K.Hays, C.Heinrich, J.Herndon, M.Hocker, A.Hong, Z.Hopkins, W.Hou, S.Hughes, R. E.Husemann, U.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. B.Kim, S. H.Kim, Y. K.Kim, Y. J.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.Liu, H.Liu, Q.Liu, T.Lockwitz, S.Loginov, A.Lucchesi, D.Lueck, J.Lujan, P.Lukens, P.Lungu, G.Lys, J.Lysak, R.Madrak, R.Maestro, P.Malik, S.Manca, G.Manousakis-Katsikakis, A.Margaroli, F.Marino, P.Martinez, M.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.Prokoshin, F.Pranko, A.Ptohos, F.Punzi, G.Ranjan, N.Redondo Fernandez, I.Renton, P.Rescigno, M.Riddick, T.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.Safonov, A.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.Sinervo, P.Sliwa, K.Smith, J. R.Snider, F. D.Sorin, V.Song, H.Stancari, M.St Denis, R.Stelzer, B.Stelzer-Chilton, O.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.Walsh, K.Wang, S. M.Warburton, A.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
2013
Journal Title
PHYSICAL REVIEW D
ISSN
1550-7998JCR Link
Citation
vol. 87, no. 3
Publisher
AMER PHYSICAL SOC
Indexed
SCI; SCIE; SCOPUS WOS
Abstract
We measure the polarization of W bosons from top-quark (t) decays into final states with a charged lepton and jets, t (t) over bar -> W(+)bW(-)(b) over bar -> lvbq (q) over bar (1)(b) over bar, using the full Run II data set collected by the CDF II detector, corresponding to an integrated luminosity of 8.7 fb(-1). A model-independent method simultaneously determines the fraction of longitudinal (f(0)) and right-handed (f(+)) W bosons to yield f(0) = 0.726 +/- 0.066(stat) +/- 0.067(syst) and f(+) = -0.045 +/- 0.044(stat) +/- 0.058(syst) with a correlation coefficient of -0.69. Additional results are presented under various standard model assumptions. No significant discrepancies with the standard model are observed. DOI: 10.1103/PhysRevD.87.031104
DOI
10.1103/PhysRevD.87.031104
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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