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Combination of CDF and D0 measurements of the W boson helicity in top quark decays

Authors
Aaltonen, T.Abazov, V. M.Abbott, B.Acharya, B. S.Adams, M.Adams, T.Alexeev, G. D.Alkhazov, G.Alton, A.Alvarez Gonzalez, B.Alverson, G.Amerio, S.Amidei, D.Anastassov, A.Annovi, A.Antos, J.Aoki, M.Apollinari, G.Appel, J. A.Arisawa, T.Artikov, A.Asaadi, J.Ashmanskas, W.Askew, A.Asman, B.Atkins, S.Atramentov, O.Auerbach, B.Augsten, K.Aurisano, A.Avila, C.Azfar, F.Badaud, F.Badgett, W.Bae, T.Bagby, L.Baldin, B.Bandurin, D. V.Banerjee, S.Barbaro-Galtieri, A.Barberis, E.Baringer, P.Barnes, V. E.Barnett, B. A.Barreto, J.Barria, P.Bartlett, J. F.Bartos, P.Bassler, U.Bauce, M.Bazterra, V.Bean, A.Bedeschi, F.Begalli, M.Behari, S.Belanger-Champagne, C.Bellantoni, L.Bellettini, G.Bellinger, J.Benjamin, D.Beretvas, A.Beri, S. B.Bernardi, G.Bernhard, R.Bertram, I.Besancon, M.Beuselinck, R.Bezzubov, V. A.Bhatia, S.Bhatnagar, V.Bhatti, A.Bhat, P. C.Bisello, D.Bizjak, I.Bland, K. R.Blazey, G.Blessing, S.Bloom, K.Blumenfeld, B.Bocci, A.Bodek, A.Boehnlein, A.Boline, D.Boos, E. E.Borissov, G.Bortoletto, D.Bose, T.Boudreau, J.Boveia, A.Brandt, A.Brandt, O.Brigliadori, L.Brock, R.Bromberg, C.Brooijmans, G.Bross, A.Brown, D.Brown, J.Brucken, E.Bu, X. B.Budagov, J.Budd, H. S.Buehler, M.Buescher, V.Bunichev, V.Burdin, S.Burkett, K.Bussey, P.Buszello, C. P.Buzatu, A.Calamba, A.Calancha, C.Camacho-Perez, E.Camarda, S.Campanelli, M.Campbell, M.Canelli, F.Carls, B.Carlsmith, D.Carosi, R.Carrillo, S.Carron, S.Casal, B.Casarsa, M.Casey, B. C. K.Castilla-Valdez, H.Castro, A.Catastini, P.Caughron, S.Cauz, D.Cavaliere, V.Cavalli-Sforza, M.Cerri, A.Cerrito, L.Chakrabarti, S.Chakraborty, D.Chan, K. M.Chandra, A.Chapon, E.Chen, Y. C.Chen, G.Chertok, M.Chevalier-Thery, S.Chiarelli, G.Chlachidze, G.Chlebana, F.Choi, S.Chokheli, D.Choudhary, B.Cho, D. K.Cho, K.Cho, S. W.Chung, W. H.Chung, Y. S.Cihangir, S.Ciocci, M. A.Claes, D.Clarke, C.Clark, A.Clutter, J.Compostella, G.Convery, M. E.Conway, J.Cooke, M.Cooper, W. E.Corbo, M.Corcoran, M.Cordelli, M.Couderc, F.Cousinou, M. -C.Cox, C. A.Cox, D. J.Crescioli, F.Croc, A.Cuevas, J.Culbertson, R.Cutts, D.d'Ascenzo, N.d'Errico, M.D'Onofrio, M.Dagenhart, D.Das, A.Datta, M.Davies, G.Deliot, F.Dell'Orso, M.Demina, R.Demortier, L.Deninno, M.Denisov, D.Denisov, S. P.Desai, S.Deterre, C.DeVaughan, K.Devoto, F.de Barbaro, P.de Jong, S. J.De La Cruz-Burelo, E.Diehl, H. T.Diesburg, M.Ding, P. F.Dittmann, J. R.Di Canto, A.Di Ruzza, B.Dominguez, A.Donati, S.Dong, P.Dorigo, M.Dorigo, T.Dorland, T.Dubey, A.Dudko, L. V.Duggan, D.Duperrin, A.Dutt, S.Dyshkant, A.Eads, M.Ebina, K.Edmunds, D.Elagin, A.Ellison, J.Elvira, V. D.Enari, Y.Eppig, A.Erbacher, R.Errede, S.Ershaidat, N.Eusebi, R.Evans, H.Evdokimov, A.Evdokimov, V. N.Facini, G.Farrington, S.Feindt, M.Ferbel, T.Feng, L.Fernandez, J. P.Fiedler, F.Field, R.Filthaut, F.Fisher, W.Fisk, H. E.Flanagan, G.Forrest, R.Fortner, M.Fox, H.Franklin, M.Frank, M. J.Freeman, J. C.Fuess, S.Funakoshi, Y.Furic, I.Gallinaro, M.Garcia, J. E.Garcia-Bellido, A.Garcia-Guerra, G. A.Garfinkel, A. F.Garosi, P.Gavrilov, V.Gay, P.Geng, W.Gerbaudo, D.Gerber, C. E.Gerberich, H.Gerchtein, E.Gershtein, Y.Giagu, S.Giakoumopoulou, V.Giannetti, P.Gibson, K.Ginsburg, C. M.Ginther, G.Giokaris, N.Giromini, P.Giurgiu, G.Glagolev, V.Glenzinski, D.Goldin, D.Gold, M.Goldschmidt, N.Golossanov, A.Golovanov, G.Gomez-Ceballos, G.Gomez, G.Goncharov, M.Gonzalez, O.Gorelov, I.Goshaw, A. T.Goulianos, K.Goussiou, A.Grannis, P. D.Greder, S.Greenlee, H.Grenier, G.Grinstein, S.Gris, Ph.Grivaz, J. -F.Grohsjean, A.Grosso-Pilcher, C.Group, R. C.Gruenendahl, S.Gruenewald, M. W.Guillemin, T.da Costa, J. GuimaraesGuo, F.Gutierrez, G.Gutierrez, P.Haas, A.Hagopian, S.Hahn, S. R.Haley, J.Halkiadakis, E.Hamaguchi, A.Han, J. Y.Han, L.Happacher, F.Hara, K.Harder, K.Hare, D.Hare, M.Harel, A.Harr, R. F.Hatakeyama, K.Hauptman, J. M.Hays, C.Hays, J.Head, T.Hebbeker, T.Heck, M.Hedin, D.Hegab, H.Heinrich, J.Heinson, A. P.Heintz, U.Hensel, C.Heredia-De La Cruz, I.Herndon, M.Herner, K.Hesketh, G.Hewamanage, S.Hildreth, M. D.Hirosky, R.Hoang, T.Hobbs, J. D.Hocker, A.Hoeneisen, B.Hohlfeld, M.Hopkins, W.Horn, D.Hou, S.Howley, I.Hubacek, Z.Hughes, R. E.Hurwitz, M.Husemann, U.Hussain, N.Hussein, M.Huston, J.Hynek, V.Iashvili, I.Ilchenko, Y.Illingworth, R.Introzzi, G.Iori, M.Ito, A. S.Ivanov, A.Jabeen, S.Jaffre, M.James, E.Jamin, D.Jang, D.Jayasinghe, A.Jayatilaka, B.Jeon, E. J.Jesik, R.Jindariani, S.Johns, K.Johnson, M.Jonckheere, A.Jones, M.Jonsson, P.Joo, K. K.Joshi, J.Jun, S. Y.Jung, A. W.Junk, T. R.Juste, A.Kaadze, K.Kajfasz, E.Kamon, T.Karchin, P. E.Karmanov, D.Kasmi, A.Kasper, P. A.Kato, Y.Katsanos, I.Kehoe, R.Kermiche, S.Ketchum, W.Keung, J.Khalatyan, N.Khanov, A.Kharchilava, A.Kharzheev, Y. N.Khotilovich, V.Kilminster, B.Kimura, N.Kim, D. H.Kim, H. S.Kim, J. E.Kim, M. J.Kim, S. B.Kim, S. H.Kim, Y. J.Kim, Y. K.Klimenko, S.Knoepfel, K.Kohli, J. M.Kondo, K.Kong, D. J.Konigsberg, J.Kotwal, A. V.Kozelov, A. V.Kraus, J.Kreps, M.Kroll, J.Krop, D.Kruse, M.Krutelyov, V.Kuhr, T.Kulikov, S.Kumar, A.Kupco, A.Kurata, M.Kurca, T.Kuzmin, V. A.Kwang, S.Laasanen, A. T.Lami, S.Lammel, S.Lammers, S.Lancaster, M.Lander, R. L.Landsberg, G.Lannon, K.Lath, A.Latino, G.Lebrun, P.LeCompte, T.Lee, E.Lee, H. S.Lee, H. S.Lee, J. S.Lee, W. M.Lee, S. W.Lee, S. W.Lellouch, J.Leo, S.Leone, S.Lewis, J. D.Li, H.Li, L.Li, Q. Z.Lim, J. K.Limosani, A.Lin, C. -J.Lincoln, D.Lindgren, M.Linnemann, J.Lipaev, V. V.Lipeles, E.Lipton, R.Lister, A.Litvintsev, D. O.Liu, C.Liu, H.Liu, H.Liu, T.Liu, Q.Liu, Y.Lobodenko, A.Lockwitz, S.Loginov, A.Lokajicek, M.de Sa, R. LopesLubatti, H. J.Lucchesi, D.Lueck, J.Lujan, P.Lukens, P.Luna-Garcia, R.Lungu, G.Lyon, A. L.Lysak, R.Lys, J.Maciel, A. K. A.Mackin, D.Madar, R.Madrak, R.Maeshima, K.Maestro, P.Magana-Villalba, R.Malik, S.Malik, S.Malyshev, V. L.Manca, G.Manousakis-Katsikakis, A.Maravin, Y.Margaroli, F.Marino, C.Martinez, M.Martinez-Ortega, J.Mastrandrea, P.Matera, K.Mattson, M. E.Mazzacane, A.Mazzanti, P.McCarthy, R.McFarland, K. S.McGivern, C. L.McIntyre, P.McNulty, R.Mehta, A.Mehtala, P.Meijer, M. M.Melnitchouk, A.Menezes, D.Mercadante, P. G.Merkin, M.Mesropian, C.Meyer, A.Meyer, J.Miao, T.Miconi, F.Mietlicki, D.Mitra, A.Miyake, H.Moed, S.Moggi, N.Mondal, N. K.Mondragon, M. N.Moon, C. S.Moore, R.Morello, M. J.Morlock, J.Fernandez, P. MovillaMukherjee, A.Mulhearn, M.Muller, Th.Murat, P.Mussini, M.Nachtman, J.Nagai, Y.Naganoma, J.Nagy, E.Naimuddin, M.Nakano, I.Napier, A.Narain, M.Nayyar, R.Neal, H. A.Negret, J. P.Nett, J.Neubauer, M. S.Neustroev, P.Neu, C.Nielsen, J.Nodulman, L.Noh, S. Y.Norniella, O.Nunnemann, T.Oakes, L.Obrant, G.Oh, S. H.Oh, Y. D.Oksuzian, I.Okusawa, T.Orava, R.Orduna, J.Ortolan, L.Osman, N.Osta, J.Padilla, M.Griso, S. PaganPagliarone, C.Pal, A.Palencia, E.Papadimitriou, V.Paramonov, A. A.Parashar, N.Parihar, V.Park, S. K.Partridge, R.Parua, N.Patrick, J.Patwa, A.Pauletta, G.Paulini, M.Paus, C.Pellett, D. E.Penning, B.Penzo, A.Perfilov, M.Peters, Y.Petridis, K.Petrillo, G.Petroff, P.Phillips, T. J.Piacentino, G.Pianori, E.Pilot, J.Pitts, K.Plager, C.Pleier, M. -A.Podesta-Lerma, P. L. M.Podstavkov, V. M.Polozov, P.Pondrom, L.Popov, A. V.Poprocki, S.Potamianos, K.Prewitt, M.Price, D.Prokopenko, N.Prokoshin, F.Pranko, A.Ptohos, F.Punzi, G.Qian, J.Quadt, A.Quinn, B.Rahaman, A.Ramakrishnan, V.Rangel, M. S.Ranjan, K.Ranjan, N.Ratoff, P. N.Razumov, I.Redondo, I.Renkel, P.Renton, P.Rescigno, M.Riddick, T.Rimondi, F.Ripp-Baudot, I.Ristori, L.Rizatdinova, F.Robson, A.Rodrigo, T.Rodriguez, T.Rogers, E.Rolli, S.Rominsky, M.Roser, R.Ross, A.Royon, C.Rubinov, P.Ruchti, R.Ruffini, F.Ruiz, A.Russ, J.Rusu, V.Safonov, A.Safronov, G.Sajot, G.Sakumoto, W. K.Sakurai, Y.Salcido, P.Sanchez-Hernandez, A.Sanders, M. P.Sanghi, B.Santi, L.Santos, A. S.Sato, K.Savage, G.Saveliev, V.Savoy-Navarro, A.Sawyer, L.Scanlon, T.Schamberger, R. D.Scheglov, Y.Schellman, H.Schlabach, P.Schlobohm, S.Schmidt, A.Schmidt, E. E.Schwanenberger, C.Schwarz, T.Schwienhorst, R.Scodellaro, L.Scribano, A.Scuri, F.Seidel, S.Seiya, Y.Sekaric, J.Semenov, A.Severini, H.Sforza, F.Shabalina, E.Shalhout, S. Z.Shary, V.Shaw, S.Shchukin, A. A.Shears, T.Shepard, P. F.Shimojima, M.Shivpuri, R. K.Shochet, M.Shreyber-Tecker, I.Simak, V.Simonenko, A.Sinervo, P.Skubic, P.Slattery, P.Sliwa, K.Smirnov, D.Smith, J. R.Smith, K. J.Snider, F. D.Snow, G. R.Snow, J.Snyder, S.Soha, A.Soeldner-Rembold, S.Song, H.Sonnenschein, L.Sorin, V.Soustruznik, K.Squillacioti, P.St Denis, R.Stancari, M.Stark, J.Stelzer, B.Stelzer-Chilton, O.Stentz, D.Stolin, V.Stoyanova, D. A.Strauss, M.Strologas, J.Strycker, G. L.Stutte, L.Sudo, Y.Sukhanov, A.Suslov, I.Suter, L.Svoisky, P.Takahashi, M.Takemasa, K.Takeuchi, Y.Tang, J.Tecchio, M.Teng, P. K.Thom, J.Thome, J.Thompson, G. A.Thomson, E.Titov, M.Toback, D.Tokar, S.Tokmenin, V. V.Tollefson, K.Tomura, T.Tonelli, D.Torretta, D.Torre, S.Totaro, P.Trovato, M.Tsai, Y. -T.Tschann-Grimm, K.Tsybychev, D.Tuchming, B.Tully, C.Ukegawa, F.Uozumi, S.Uvarov, L.Uvarov, S.Uzunyan, S.Van Kooten, R.van Leeuwen, W. M.Varelas, N.Varganov, A.Varnes, E. W.Vasilyev, I. A.Vazquez, F.Velev, G.Vellidis, C.Verdier, P.Verkheev, A. Y.Vertogradov, L. S.Verzocchi, M.Vesterinen, M.Vidal, M.Vila, I.Vilanova, D.Vilar, R.Vizan, J.Vogel, M.Vokac, P.Volpi, G.Wagner, P.Wagner, R. L.Wahl, H. D.Wakisaka, T.Wallny, R.Wang, M. H. L. S.Wang, S. M.Warburton, A.Warchol, J.Waters, D.Watts, G.Wayne, M.Weichert, J.Welty-Rieger, L.Wester, W. C., IIIWhite, A.Whiteson, D.Wick, F.Wicke, D.Wicklund, A. B.Wicklund, E.Wilbur, S.Williams, H. H.Williams, M. R. J.Wilson, G. W.Wilson, J. S.Wilson, P.Winer, B. L.Wittich, P.Wobisch, M.Wolbers, S.Wolfe, H.Wood, D. R.Wright, T.Wu, X.Wu, Z.Wyatt, T. R.Xie, Y.Yamada, R.Yamamoto, K.Yang, T.Yang, U. K.Yang, W. -C.Yang, Y. C.Yao, W. -M.Yasuda, T.Yatsunenko, Y. A.Ye, Z.Yeh, G. P.Yi, K.Yin, H.Yip, K.Yoh, J.Yorita, K.Yoshida, T.Youn, S. W.Yu, I.Yu, G. B.Yu, S. S.Yun, J. C.Zanetti, A.Zeng, Y.Zhao, T.Zhou, B.Zhu, J.Zielinski, M.Zieminska, D.Zivkovic, L.Zucchelli, S.
Issue Date
27-4월-2012
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.85, no.7
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
85
Number
7
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/108649
DOI
10.1103/PhysRevD.85.071106
ISSN
1550-7998
Abstract
We report the combination of recent measurements of the helicity of the W boson from top quark decay by the CDF and D0 collaborations, based on data samples corresponding to integrated luminosities of 2.7-5.4 fb(-1) of p (p) over bar collisions collected during Run II of the Fermilab Tevatron collider. Combining measurements that simultaneously determine the fractions of W bosons with longitudinal (f(0)) and right-handed (f(+)) helicities, we find f(0) = 0.722 +/- 0.081[+/- 0.062(stat) +/- 0.052(syst)] and f(+) = -0.033 +/- 0.046[+/- 0.034(stat) +/- 0.031(syst)]. Combining measurements where one of the helicity fractions is fixed to the value expected in the standard model, we find f(0) = 0.682 +/- 0.057[+/- 0.035(stat) +/- 0.046(syst)] for fixed f(+) and f(+) = -0.015 +/- 0.035[+/- 0.018(stat) +/- 0.030(syst)] for fixed f(0). The results are consistent with standard model expectations.
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