Measurement of the W+ W- production cross section and search for anomalous WWγ and WWZ couplings in pp collisions at square root(s)=1.96 TeV.
T Aaltonen, J Adelman,B Alvarez González, S Amerio, D Amidei, A Anastassov, A Annovi, J Antos, G Apollinari, A Apresyan, T Arisawa, A Artikov, J Asaadi, W Ashmanskas, A Attal, A Aurisano, F Azfar, W Badgett, A Barbaro-Galtieri, V E Barnes, B A Barnett, P Barria, P Bartos, G Bauer,P-H Beauchemin, F Bedeschi, D Beecher, S Behari, G Bellettini, J Bellinger, D Benjamin, A Beretvas,A Bhatti, M Binkley, D Bisello, I Bizjak, R E Blair, C Blocker, B Blumenfeld, A Bocci,A Bodek, V Boisvert, D Bortoletto, J Boudreau, A Boveia, B Brau, A Bridgeman, L Brigliadori, C Bromberg, E Brubaker, J Budagov, H S Budd, S Budd, K Burkett, G Busetto, P Bussey, A Buzatu, K L Byrum, S Cabrera, 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, M Cavalli-Sforza, A Cerri, L Cerrito, S H Chang, Y C Chen, M Chertok,G Chiarelli, G Chlachidze, F Chlebana, K Cho, D Chokheli, J P Chou, K Chung,W H Chung, Y S Chung, T Chwalek, C I Ciobanu,M A Ciocci, A Clark, D Clark, G Compostella, M E Convery,J Conway, M Corbo, M Cordelli, C A Cox, D J Cox, F Crescioli,C Cuenca Almenar, J Cuevas, R Culbertson, J C Cully, D Dagenhart, M Datta, T Davies,P de Barbaro,S De Cecco, A Deisher,G De Lorenzo, M Dell'Orso, C Deluca, L Demortier,J Deng, M Deninno, M d'Errico,A Di Canto,G P di Giovanni,B Di Ruzza, J R Dittmann, M D'Onofrio, S Donati, P Dong, T Dorigo, S Dube, K Ebina, A Elagin, R Erbacher, D Errede, S Errede, N Ershaidat, R Eusebi, H C Fang, S Farrington, W T Fedorko, R G Feild, M Feindt,J P Fernandez, C Ferrazza,R Field,G Flanagan, R Forrest, M J Frank, M Franklin, J C Freeman, I Furic, M Gallinaro, J Galyardt, F Garberson, J E Garcia, A F Garfinkel, P Garosi, H Gerberich, D Gerdes, A Gessler, S Giagu, V Giakoumopoulou, P Giannetti, K Gibson, J L Gimmell, C M Ginsburg, N Giokaris, M Giordani, P Giromini, M Giunta, G Giurgiu, V Glagolev, D Glenzinski, M Gold,N Goldschmidt, A Golossanov, G Gomez, G Gomez-Ceballos, M Goncharov, O González, I Gorelov, A T Goshaw, K Goulianos, A Gresele, S Grinstein, C Grosso-Pilcher, R C Group, U Grundler,J Guimaraes da Costa, Z Gunay-Unalan, C Haber, S R Hahn, E Halkiadakis,B-Y Han, J Y Han, F Happacher, K Hara, D Hare, M Hare, R F Harr, M Hartz, K Hatakeyama, C Hays, M Heck, J Heinrich,M Herndon, J Heuser, S Hewamanage, D Hidas, C S Hill, D Hirschbuehl, A Hocker,S Hou, M Houlden,S-C Hsu, R E Hughes, M Hurwitz, U Husemann, M Hussein, J Huston, J Incandela, G Introzzi, M Iori, A Ivanov, E James, D Jang, B Jayatilaka, E J Jeon,M K Jha, S Jindariani, W Johnson, M Jones, K K Joo, S Y Jun, J E Jung, T R Junk, T Kamon, D Kar,P E Karchin,Y Kato, R Kephart, W Ketchum, J Keung, V Khotilovich, B Kilminster, D H Kim, H S Kim, H W Kim,J E Kim,M J Kim, S B Kim, S H Kim, Y K Kim, N Kimura, L Kirsch, S Klimenko, K Kondo, D J Kong, J Konigsberg, A Korytov, A V Kotwal, M Kreps, J Kroll, D Krop, N Krumnack, M Kruse, V Krutelyov, T Kuhr, N P Kulkarni, M Kurata, S Kwang,A T Laasanen, S Lami, S Lammel, M Lancaster, R L Lander, K Lannon, A Lath, G Latino, I Lazzizzera, T LeCompte, E Lee, H S Lee, J S Lee, S W Lee, S Leone,J D Lewis,C-J Lin, J Linacre, M Lindgren, E Lipeles,A Lister, D O Litvintsev,C Liu,T Liu, N S Lockyer, A Loginov, L Lovas, D Lucchesi, J Lueck, P Lujan, P Lukens, G Lungu, J Lys, R Lysak, D MacQueen, R Madrak, K Maeshima, K Makhoul, P Maksimovic,S Malde,S Malik, G Manca, A Manousakis-Katsikakis, F Margaroli, C Marino, C P Marino, A Martin, V Martin, M Martínez, R Martínez-Ballarín, P Mastrandrea, M Mathis, M E Mattson, P Mazzanti, K S McFarland,P McIntyre, R McNulty, A Mehta, P Mehtala, A Menzione, C Mesropian, T Miao, D Mietlicki, N Miladinovic, R Miller, C Mills, M Milnik,A Mitra, G Mitselmakher,H Miyake, S Moed, N Moggi, M N Mondragon,C S Moon, R Moore, M J Morello, J Morlock,P Movilla Fernandez, J Mülmenstädt, A Mukherjee,Th Muller, P Murat, M Mussini, J Nachtman, Y Nagai, J Naganoma, K Nakamura, I 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Weinelt, W C Wester, B Whitehouse, D Whiteson, A B Wicklund, E Wicklund, S Wilbur, G Williams, H H Williams, P Wilson, B L Winer, P Wittich, S Wolbers, C Wolfe, H Wolfe, T Wright, X Wu, F Würthwein, A Yagil, K Yamamoto, J Yamaoka, U K Yang, Y C Yang, W M Yao, G P Yeh, K Yi, J Yoh, K Yorita, T Yoshida,G B Yu, I Yu, S S Yu, J C Yun, A Zanetti, Y Zeng,X Zhang,Y Zheng,S Zucchelli
Physical review letters（2010）
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摘要
This Letter describes the current most precise measurement of the W boson pair production cross section and most sensitive test of anomalous WWγ and WWZ couplings in pp collisions at a center-of-mass energy of 1.96 TeV. The WW candidates are reconstructed from decays containing two charged leptons and two neutrinos. Using data collected by the CDF II detector from 3.6 fb(-1) of integrated luminosity, a total of 654 candidate events are observed with an expected background of 320±47 events. The measured cross section is σ(pp→W+ W- +X)=12.1±0.9(stat)-1.4+1.6(syst) pb, which is in good agreement with the standard model prediction. The same data sample is used to place constraints on anomalous WWγ and WWZ couplings.
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