Observation of Electroweak Single Top-Quark Production

descriptionPublicationkeyboard_double_arrow_right Article 24 Aug 2009 Italy, United Kingdom, Spain, United Kingdom, Cyprus, United Kingdom, United States, United Kingdom, Spain, Switzerland, Greece English Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 103 (issn: 0031-9007, eissn: 1079-7114,

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Authors: Aaltonen, T.; Adelman, J.; Akimoto, T.; Ãlvarez Gonzãlez, B.; Amerio, S.; Amidei, D.; Anastassov, A.; +193 Authors

Aaltonen, T.; Adelman, J.; Akimoto, T.; Ãlvarez Gonzãlez, B.; Amerio, S.; Amidei, D.; Anastassov, A.; Annovi, A.; Antos, J.; Apollinari, G.; Apresyan, A.; Arisawa, T.; Artikov, A.; Ashmanskas, W.; Attal, A.; Aurisano, A.; Azfar, F.; Badgett, W.; Barbaro-Galtieri, A.; Barnes, V. E.; Barnett, B. A.; Barria, P.; Bartsch, V.; Bauer, G.; Beauchemin, P. -H; Bedeschi, F.; Beecher, D.; Behari, S.; Bellettini, G.; Bellinger, J.; Benjamin, D.; Beretvas, Andrew; Beringer, J.; Bhatti, A.; Binkley, M.; Isello, D.; Blumenfeld, B.; Bocci, A.; Bodek, A.; Boisvert, V.; Bolla, G.; Bortoletto, D.; Boudreau, J.; Boveia, A.; Brau, B.; Bridgeman, A.; Brigliadori, L.; Bromberg, C.; Brubaker, E.; Budagov, J.; Budd, H. S.; Budd, S.; Burke, S.; Burkett, K.; Busetto, G.; Bussey, P.; Buzatu, A.; Byrum, K. L.; Cabrera, S.; Calancha, C.; Campanelli, M.; Campbell, M.; Canelli, Florencia M.; Canepa, A.; 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.; Chang, S. H.; Chen, Y. C.; Chertok, M.; Chiarelli, G.; Chlachidze, G.; Chlebana, F.; Cho, K.; Chokheli, D.; Chou, J. P.; Choudalakis, G.; Chuang, S. H.; Chung, K.; Chung, W. H.; Chung, Y. S.; Chwalek, T.; Ciobanu, C. I.; Ciocci, M. A.; Clark, A.; Clark, D.; Compostella, G.; Convery, M. E.; Conway, J.; Cordelli, M.; Cortiana, G.; Cox, C. A.; Cox, D. J.; Crescioli, F.; Cuenca Almenar, C.; Cuevas, J.; Culbertson, R.; Cully, J. C.; Dagenhart, D.; Datta, M.; Davies, T.; De Barbaro, P.; De Cecco, S.; Deisher, A.; De Lorenzo, G.; Dell'Orso, M.; Deluca, C.; Demortier, L.; Deng, J.; Deninno, M.; Derwent, P. F.; Di Canto, P.; Di Giovanni, G. P.; Dionisi, Carlo; Di Ruzza, B.; Dittmann, J. R.; D'Onofrio, M.; Donati, S.; Dong, P.; Donini, J.; Dorigo, T.; Dube, S.; Efron, J.; Elagin, A.; Erbacher, R.; Errede, D.; Errede, S.; Eusebi, R.; Fang, H. C.; Farrington, S.; Fedorko, W. T.; Feild, R. G.; Feindt, M.; Fernandez, J. P.; Ferrazza, C.; Field, R.; Flanagan, G.; Forrest, R.; Frank, M. J.; Franklin, M.; Freeman, J. C.; Furic, I.; Gallinaro, M.; Galyardt, J.; Garberson, F.; Garcia, J. E.; Garfinkel, A. F.; Garosi, P.; Genser, K.; Gerberich, H.; Gerdes, D.; Gessler, A.; Giagu, S.; Giakoumopoulou, V. A.; Giannetti, P.; Gibson, K.; Gimmell, J. L.; Ginsburg, C. M.; Giokaris, N.; Giordani, M.; Giromini, P.; Giunta, M.; Giurgiu, G.; Glagolev, V.; Glenzinski, D.; Gold, M.; Goldschmidt, N.; Golossanov, A.; Gomez, G.; Gomez-Ceballos, G.; Goncharov, M.; González, O.; Gorelov, I.; Goshaw, A. T.; Goulianos, Konstantin; Gresele, A.; Grinstein, S.; Grosso-Pilcher, C.; Group, R. C.; Grundler, U.; Guimaraes Da Costa, J.; Gunay-Unalan, Z.; Haber, C.; Hahn, K.; Hahn, S. R.; Halkiadakis, Eva; Han, B. -Y; Han, J. Y.; Happacher, F.;

doi: 10.1103/physrevlett.103.092002

pmid: 19792788

handle: 10902/2061 , 10651/76310 , 10261/22283 , 11365/38831 , 11572/87778 , 11577/2438121 , 11390/879528 , 11573/226376 , 11584/243388 , 11567/964097 , 11568/828809 , 11695/4370 , 11585/84465 , 2158/1195472 , 1721.1/52314 , 11369/426509 , 11571/571597

Observation of Electroweak Single Top-Quark Production

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Abstract

We report the observation of single top-quark production using 3.2 fb(-1) of pp[over ] collision data with sqrt[s]=1.96 TeV collected by the Collider Detector at Fermilab. The significance of the observed data is 5.0 standard deviations, and the expected sensitivity for standard model production and decay is in excess of 5.9 standard deviations. Assuming m(t) = 175 GeV/c(2), we measure a cross section of 2.3(-0.5);(+0.6)(stat + syst) pb, extract the CKM matrix-element value |V(tb)| = 0.91 + or - 0.11(stat + syst) + or - 0.07(theory), and set the limit |V(tb)| > 0.71 at the 95% C.L.

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Italy, United Kingdom, Spain, United Kingdom, Cyprus, United Kingdom, United States, United Kingdom, Spain, Switzerland, Greece

Related Organizations

University of Glasgow
United Kingdom
Lawrence Berkeley National Laboratory
United States
University of Helsinki
Finland
University College London
United Kingdom
Northwestern University
United States

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Keywords

Collider detector at Fermilab, COLLISIONS, Standards, Cross section, Statistics, 500, 530, Observed data, Tellurium compounds, Colliding beam accelerators, CDF; TOP QUARK, CKM matrix, Quark production, Standard deviation, FERMILAB, High Energy Physics, Standard model, 500.2, ddc: ddc:500.2

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