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First measurement of W boson production in association with a single charm quark in pp¯ collisions at s=1.96 TeV

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CDF Collaboration (Including:

Aaltonen, T., Adelman, J., Akimoto, T., Albrow, M., Álvarez González, B., Amerio, S., Amidei, D., Anastassov, A., Annovi, A., Antos, J. et al.
). (2008) First measurement of W boson production in association with a single charm quark in pp¯ collisions at s=1.96 TeV. Physical Review Letters, Vol.100 (No.9). Article: 091803. ISSN 0031-9007

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Abstract

We present the first measurement of the production cross section of a W boson with a single charm quark (c) in pp¯ collisions at √s=1.96  TeV, using soft muon tagging of c jets. In a data sample of ∼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 σWc(pTc>20  GeV/c,|ηc|<1.5)×BR(W→ℓν)=9.8±3.2  pb, in agreement with theoretical expectations.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Physics
Journal or Publication Title: Physical Review Letters
Publisher: American Physical Society
ISSN: 0031-9007
Date: 7 March 2008
Volume: Vol.100
Number: No.9
Page Range: Article: 091803
Identification Number: 10.1103/PhysRevLett.100.091803
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Funder: U.S. Department of Energy, National Science Foundation (NSF), Istituto Nazionale di Fisica Nucleare, Ministry of Education, Culture, Sports, Science and Technology of Japan, Natural Sciences and Engineering Research Council (Canada) (NSERC), National Science Council of the Republic of China, Swiss National Science Foundation, A.P. Sloan Foundation, Bundesministerium für Bildung und Forschung (Germany), Korean Science and Engineering Foundation, Korean Research Foundation, Science and Technology Facilities Council (Great Britain) (STFC), Royal Society (UK), Institut National de Physique Nucleaire et Physique des Particules/ CNRS, Russian Foundation for Basic Research, Comisión Interministerial de Ciencia y Tecnología (Spain), European Community's Human Potential Programme (ECHPP), Slovak R&D Agency, Academy of Finland
URI: http://wrap.warwick.ac.uk/id/eprint/44471

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