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dc.contributor.author | CDF Collaboration | - |
dc.contributor.author | Cabrera, Susana | - |
dc.contributor.author | Cuenca Almenar, Cristóbal | - |
dc.contributor.author | Álvarez González, B. | - |
dc.contributor.author | Casal, Bruno | - |
dc.contributor.author | Cuevas, Javier | - |
dc.contributor.author | Gómez, Gervasio | - |
dc.contributor.author | Rodrigo, Teresa | - |
dc.contributor.author | Ruiz Jimeno, Alberto | - |
dc.contributor.author | Scodellaro, Luca | - |
dc.contributor.author | Vila, Iván | - |
dc.contributor.author | Vilar Cortabitarte, R. | - |
dc.contributor.author | Aaltonen, T. | - |
dc.date.accessioned | 2010-03-10T12:36:56Z | - |
dc.date.available | 2010-03-10T12:36:56Z | - |
dc.date.issued | 2009-09-08 | - |
dc.identifier.citation | Physical Review - Section D - Particles and Fields 80 (5): 051104 (2009) | en_US |
dc.identifier.issn | 1550-7998 | - |
dc.identifier.uri | http://hdl.handle.net/10261/22213 | - |
dc.description.abstract | We present the first measurement of the mass of the top quark in a sample of t (t) over bar -> l (nu) over barb (b) over barq (q) over bar events (where l = e, mu) selected by identifying jets containing a muon candidate from the semileptonic decay of heavy-flavor hadrons (soft muon b tagging). The p (p) over bar collision data used correspond to an integrated luminosity of 2 fb(-1) and were collected by the CDF II detector at the Fermilab Tevatron Collider. The measurement is based on a novel technique exploiting the invariant mass of a subset of the decay particles, specifically the lepton from the W boson of the t -> Wb decay and the muon from a semileptonic b decay. We fit template histograms, derived from simulation of t (t) over bar events and a modeling of the background, to the mass distribution observed in the data and measure a top quark mass of 180.5 +/- 12.0(stat) +/- 3.6(syst) GeV/c(2), consistent with the current world average value. | en_US |
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 Ministerio de Ciencia e Innovación, and Programa Consolider-Ingenio 2010, Spain; the Slovak R&D Agency; and the Academy of Finland. | en_US |
dc.format.extent | 216031 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | American Physical Society | en_US |
dc.rights | openAccess | en_US |
dc.title | Measurement of the top quark mass using the invariant mass of lepton pairs in soft muon b-tagged events | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1103/PhysRevD.80.051104 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/ 10.1103/PhysRevD.80.051104 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
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invariant.pdf | 210,97 kB | Adobe PDF | Visualizar/Abrir |
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