| dc.contributor.author | Aaltonen, Timo Antero | |
| dc.contributor.author | Álvarez González, Bárbara | |
| dc.contributor.author | Casal Laraña, Bruno | |
| dc.contributor.author | Cuevas Maestro, Francisco Javier | |
| dc.contributor.author | Gómez Gramuglio, Gervasio | |
| dc.contributor.author | Rodrigo Anoro, Teresa | |
| dc.contributor.author | Ruiz Jimeno, Alberto | |
| dc.contributor.author | Scodellaro, Luca | |
| dc.contributor.author | Vila Álvarez, Iván | |
| dc.contributor.author | Vilar Cortabitarte, Rocío | |
| dc.contributor.other | Universidad de Cantabria | es_ES |
| dc.date.accessioned | 2013-03-22T14:07:42Z | |
| dc.date.available | 2013-03-22T14:07:42Z | |
| dc.date.issued | 2010-06-28 | |
| dc.identifier.issn | 0031-9007 | |
| dc.identifier.issn | 1079-7114 | |
| dc.identifier.uri | http://hdl.handle.net/10902/1875 | |
| dc.description.abstract | We report a measurement of the ratio of the tt̅ to Z/γ* production cross sections in √s=1.96 TeV pp̅ collisions using data corresponding to an integrated luminosity of up to 4.6 fb-1, collected by the CDF II detector. The tt̅ cross section ratio is measured using two complementary methods, a b-jet tagging measurement and a topological approach. By multiplying the ratios by the well-known theoretical Z/γ*→ll cross section predicted by the standard model, the extracted tt̅ cross sections are effectively insensitive to the uncertainty on luminosity. A best linear unbiased estimate is used to combine both measurements with the result σtt̅ =7.70±0.52 pb, for a top-quark mass of 172.5 GeV/c2. | es_ES |
| dc.description.sponsorship | We thank the Fermilab staff and the technical staffs of
the participating institutions for their vital contributions.
This work was supported by the U.S. Department of
Energy and National Science Foundation; the Italian
Istituto Nazionale di Fisica Nucleare; the Ministry of
Education, Culture, Sports, Science and Technology of
Japan; the Natural Sciences and Engineering Research
Council of Canada; the National Science Council of the
Republic of China; the Swiss National Science Foundation; the A. P. Sloan Foundation; the Bundesministerium für Bildung und Forschung, Germany; the Korean Science and Engineering Foundation and the Korean Research
Foundation; the Science and Technology Facilities
Council and the Royal Society, UK; the Institut National de Physique Nucleaire et Physique des Particules/CNRS; the Russian Foundation for Basic Research; the Comisión Interministerial de Ciencia y Tecnología, Spain; the European Community’s Human Potential Programme; the Slovak R&D Agency; and the Academy of Finland. | |
| dc.language.iso | eng | es_ES |
| dc.publisher | American Physical Society | es_ES |
| dc.rights | © 2011 American Physical Society | * |
| dc.source | Physical Review Letters, 2010, 105, 012001 | es_ES |
| dc.title | Measurement of the Ratio σtt̅ /σZ/γ*→ll and Precise Extraction of the tt̅ Cross Section | es_ES |
| dc.type | info:eu-repo/semantics/article | es_ES |
| dc.relation.publisherVersion | http://dx.doi.org/10.1103/PhysRevLett.105.012001 | |
| dc.rights.accessRights | openAccess | es_ES |
| dc.identifier.DOI | 10.1103/PhysRevLett.105.012001 | |
| dc.type.version | publishedVersion | es_ES |
