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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/24573
Title: 
Precise measurement of the top-quark mass from lepton plus jets events at D0
Author(s): 
Institution: 
  • Joint Inst Nucl Res
  • Univ Buenos Aires
  • Centro Brasileiro de Pesquisas Físicas (CBPF)
  • Univ Estado Rio de Janeiro
  • Universidade Federal do ABC (UFABC)
  • Universidade Estadual Paulista (UNESP)
  • Simon Fraser Univ
  • York Univ
  • Univ Sci & Technol China
  • Universidad de los Andes
  • Charles Univ Prague
  • Czech Tech Univ
  • Acad Sci Czech Republic
  • Univ San Francisco Quito
  • Univ Clermont Ferrand
  • Univ Grenoble 1
  • Aix Marseille Univ
  • Univ Paris 11
  • Univ Paris 06
  • Univ Paris 07
  • CEA
  • Univ Strasbourg
  • Univ Lyon 1
  • Univ Lyon
  • RWTH Aachen University
  • Univ Freiburg
  • Univ Gottingen
  • Johannes Gutenberg Univ Mainz
  • Univ Munich
  • Berg Univ Wuppertal
  • Panjab Univ
  • University of Delhi
  • Tata Inst Fundamental Res
  • Univ Coll Dublin
  • Korea University
  • CINVESTAV
  • FOM
  • Univ Amsterdam
  • Radboud Univ Nijmegen
  • Institute for Theoretical and Experimental Physics (ITEP)
  • Moscow MV Lomonosov State Univ
  • Inst High Energy Phys
  • Petersburg Nucl Phys Inst
  • ICREA
  • IFAE
  • Stockholm Univ
  • Uppsala Univ
  • University of Lancaster
  • Univ London Imperial Coll Sci Technol & Med
  • University of Manchester
  • University of Arizona
  • University of California, Riverside (UCR)
  • Florida State University
  • Fermilab Natl Accelerator Lab
  • Univ Illinois
  • No Illinois Univ
  • Northwestern University (NU)
  • Indiana University
  • Purdue University Calumet
  • Univ Notre Dame
  • Iowa State Univ
  • University of Kansas (KU)
  • Kansas State University
  • Louisiana Tech University
  • Boston University
  • Northeastern University
  • University of Michigan
  • Michigan State University
  • University of Mississippi
  • Univ Nebraska
  • Rutgers State Univ
  • Princeton University
  • SUNY Buffalo
  • Columbia University
  • University of Rochester
  • SUNY Stony Brook
  • Brookhaven Natl Lab
  • Langston Univ
  • University of Oklahoma
  • Oklahoma State Univ
  • Brown University
  • Univ Texas Arlington
  • So Methodist Univ
  • Rice University
  • University of Virginia (UVA)
  • University of Washington
ISSN: 
1550-7998
Sponsorship: 
  • DOE (USA)
  • National Science Foundation (NSF) - USA
  • Commissariat à l'énergie atomique et aux énergies alternatives (CEA)
  • Institut national de physique nucléaire et de physique des particules (IN2P3/CNRS)
  • FASI
  • Rosatom State Atomic Energy Corporation (ROSATOM)
  • Russian Foundation for Basic Research (RFBR)
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
  • Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)
  • Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
  • Fundação para o Desenvolvimento da UNESP (FUNDUNESP)
  • Department of Atomic Energy (DAE) - India
  • Department of Science and Technology (DST) - India
  • Colciencias (Colombia)
  • Consejo Nacional de Ciencia y Tecnología (CONACYT)
  • KRF (Korea)
  • Korea Science and Engineering Foundation (KOSEF)
  • Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)
  • UBACyT (Argentina)
  • Foundation for Fundamental Research on Matter (FOM)
  • Science and Technology Facilities Council (STFC)
  • Royal Society (United Kingdom)
  • MSMT (Czech Republic)
  • Czech Science Foundation (GACR)
  • CRC (Canada)
  • Natural Sciences and Engineering Research Council of Canada (NSERC)
  • Bundesministerium für Bildung und Forschung (BMBF)
  • Deutsche Forschungsgemeinschaft (DFG)
  • Science Foundation Ireland (SFI)
  • Swedish Research Council
  • Chinese Academy of Sciences (CAS)
  • CNSF
Abstract: 
We report a measurement of the mass of the top quark in lepton + jets final states of p (p) over bar -> t (t) over bar data corresponding to 2.6 fb(-1) of integrated luminosity collected by the D0 experiment at the Fermilab Tevatron Collider. A matrix-element method is developed that combines an in situ jet energy calibration with our standard jet energy scale derived from studies of gamma + jet and dijet events. We then implement a flavor-dependent jet-response correction through a novel approach. This method is used to measure a top-quark mass of m(t) = 176.01 +/- 1.64 GeV. Combining this result with our previous result obtained on an independent data set, we measure a top-quark mass of m(t) = 174.94 +/- 1.49 GeV for a total integrated luminosity of 3.6 fb(-1).
Issue Date: 
9-Aug-2011
Citation: 
Physical Review D. College Pk: Amer Physical Soc, v. 84, n. 3, p. 19, 2011.
Time Duration: 
19
Publisher: 
Amer Physical Soc
Source: 
http://dx.doi.org/10.1103/PhysRevD.84.032004
URI: 
http://hdl.handle.net/11449/24573
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/24573
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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