First Measurement Of W Boson Production In Association With A Single Charm Quark In P(P)Over-Bar Collisions At Root S=1.96 Tev

Terhi Aaltonen,Jahred Adelman,Takashi Akimoto,Michael G. Albrow,B. Álvarez González,Silvia Amerio,Dan Amidei,Anton Anastassov,Alberto Annovi,Jaroslav Antoš,Masahiko Aoki,Giorgio Apollinari,Artur Apresyan,Tetsuo Arisawa,A. M. Artikov,W. J. Ashmanskas,A. Attal,Adam Aurisano,Farrukh Azfar,P. Azzi-Bacchetta,Paolo Azzürri, N. Bacchetta,William F. Badgett,Angela A. Barbaro-Galtieri,Virgil E. Barnes,Bruce A. Barnett,S. Baroiant,Valeria Bartsch,Gerry Bauer,Pierre Hugues Beauchemin,Franco Bedeschi,Pavel Bednář,S. Behari, G. Bellettini,James N. Bellinger, A. Belloni,Doug P. Benjamin,Andrew Beretvas,Juerg Beringer, T. Berry,Anwar A. Bhatti,M. E. Binkley,Dario B. Bisello,Ilija Bizjak,Robert E. Blair,Craig A. Blocker,Barry J. Blumenfeld,Alessio Bocci,Arie Bodek,Veronique Boisvert,Gino Bolla,A. Bolshov,Daniela Bortoletto,Joseph F. Boudreau,Antonio Boveia,Benjamin P. Brau,A. Bridgeman,Luca Brigliadori,C. M. Bromberg,Erik Brubaker,Ju A. Budagov,Howard S. Budd,S. Budd,Kevin Burkett,Giovanni Busetto,Peter J. Bussey,Adrian Buzatu,Karen L. Byrum,Susana Cabrera,Mario Campanelli,Myron K. Campbell,Florencia Canelli,A. Canepa,Duncan Carlsmith,Roberto Carosi,Sergio Carrillo,S. Carron,Bruno Casal,Massimo Casarsa,Alejandra Castro,Pierluigi L. Catastini,Diego Cauz,Matteo Cavalli-Sforza,Alessandro Cerri,Lucio Cerrito,Sunghyun Chang,Yingcheng Chen,M. B. Chertok,Giorgio Chiarelli,Guram A. Chlachidze,Frank S. Chlebana,Kwangsoo Cho,D. Chokheli, J. P. Chou,Georgios A. Choudalakis,Shan Huei S Chuang,K. B. Chung,W. H. Chung,Yeonsei Chung,Catalin I. Ciobanu,M. A. Ciocci,Allan G. Clark,Daniel E. Clark,Gabriele Compostella,Mary E. Convery,John S. Conway,Ben D. Cooper,Katherine Copic,Marco Cordelli,Giorgio Cortiana,Francesco Crescioli,C. Cuenca Almenar,Javier Cuevas,Ray L. Culbertson,J. C. Cully,D. W. Dagenhart,Mousumi Datta,Trevor G. Davies,Pawel De Barbaro,Sandro De Cecco,A. J. Deisher,Gilles De Lentdecker,Gianluca De Lorenzo,M. Dellâorso,Luc Demortier,Jianrong Deng,Matthew M. Deninno,Daniele De Pedis,P. F. Derwent,G. P. Di Giovanni,Carla Dionisi,B. Di Ruzza,Jana R. Dittmann,M. Dâonofrio,Simone Donati,Peter Dong,Julien Donini,Tommaso Dorigo,Sourabh Dube, J. Efron,Robin D. Erbacher,Deborah Errede,Steven M. Errede,Ricardo Eusebi,Hui Fang,Sinéad M. Farrington,Wojtek T. Fedorko,R. G. Feild,Michael Feindt,Javier P. Fernández,C. Ferrazza,Rick D. Field, G. Flanagan,R. Forrest,S. Forrester,Melissa E B Franklin,Jim C. Freeman,Ivan K. Furić,Michele Gallinaro,J. Galyardt, F. Garberson,José Eduardo García,A. F. Garfinkel,Krzysztof Genser,Heather Kay Gerberich,David W. Gerdes,Stefano Giagu,V. Giakoumopolou,Paola Giannetti,Katharina J. Gibson,J. L. Gimmell,Camille M. Ginsburg,Nikos D. Giokaris,Mario Paolo Giordani,P. Giromini,Marina Giunta,Viktor V. Glagolev,Douglas A. Glenzinskí,Michael S. Gold,N. Goldschmidt,A. V. Golossanov,Gervasio Gómez,Guillelmo Gómez-Ceballos,Max Goncharov,Oscar González,Igor V. Gorelov, A. T. Goshaw,Konstantin Goulianos,A. Gresele,Sebastian L Y Grinstein,Carla Grosso-Pilcher,R. C. Group, U. Grundler,J. Barreiro Guimarães Da Costa,Z. Gunay-Unalan,Carl H. Haber,Kristian Hahn,Siegfried Hahn,Eva Halkiadakis,Alex R. Hamilton,BoYoung Han,Jie Han,Robert Handler,F. Happacher,Kazuhiko Hara,D. Hare,M. F. Hare,Sam Harper,Robert F. Harr,Robert M. Harris,Mark Hartz,Kenichi Hatakeyama,Jay Hauser,Christopher P. Hays,Margarete M S Heck,Aart J. Heijboer,Beate Heinemann,Joel G. Heinrich,Chris M. Henderson,Matthew Herndon,Johann M. Heuser, S. Hewamanage,Dean Andrew Hidas,Christopher S. Hill, D. Hirschbuehl,Andy Höcker,Suen Hou,M. A. Houlden,Shihchieh Hsu,B. Todd Huffman,Richard E. Hughes,Ulrich Husemann,Joey W. Huston,Joseph R. Incandela,Gianluca Introzzi,Mamada Iori,Andrey Ivanov,B. Iyutin,Eric James,B. Jayatilaka,Daniel T. Jeans,Eunju Jeon,Sergo Jindariani,William L. Johnson,Martin Owen Jones,Kyungkwang Joo,Soonyung Jun,JaeEun Jung,Thomas R. Junk,TerukI Kamon,Deepak Kar,Paul E. 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PHYSICAL REVIEW LETTERS(2008)

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摘要
We present the first measurement of the production cross section of a W boson with a single charm quark (c) in p (p) over bar collisions at root s=1.96 TeV, using soft muon tagging of c jets. In a data sample of similar to 1.8 fb(-1), recorded with the Collider Detector at Fermilab II detector at the Fermilab Tevatron, we select events with W+1 or 2 jets. We use the charge correlation between the W and the muon from the semileptonic decay of a charm hadron to extract the Wc signal. We measure sigma(Wc)(p(Tc)> 20 GeV/c,|eta(c)|< 1.5)xBR(W -> l nu)=9.8 +/- 3.2 pb, in agreement with theoretical expectations.
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