Measurement of the top quark mass in the lepton plus jets final state with the matrix element method

被引:44
作者
Abazov, V. M. [1 ]
Abbott, B.
Abolins, M.
Acharya, B. S.
Adams, M.
Adams, T.
Agelou, M.
Aguilo, E.
Ahn, S. H.
Ahsan, M.
Alexeev, G. D.
Alkhazov, G.
Alton, A.
Alverson, G.
Alves, G. A.
Anastasoaie, M.
Andeen, T.
Anderson, S.
Andrieu, B.
Anzelc, M. S.
Arnoud, Y.
Arov, M.
Askew, A.
Asman, B.
Jesus, A. C. S. Assis
Atramentov, O.
Autermann, C.
Avila, C.
Ay, C.
Badaud, F.
Baden, A.
Bagby, L.
Baldin, B.
Bandurin, D. V.
Banerjee, P.
Banerjee, S.
Barberis, E.
Bargassa, P.
Baringer, P.
Barnes, C.
Barreto, J.
Bartlett, J. F.
Bassler, U.
Bauer, D.
Beale, S.
Bean, A.
Begalli, M.
Begel, M.
Belanger-Champagne, C.
Bellantoni, L.
机构
[1] Univ Buenos Aires, Buenos Aires, DF, Argentina
[2] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil
[3] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil
[4] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil
[5] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada
[6] Univ Alberta, Edmonton, AB, Canada
[7] McGill Univ, Montreal, PQ, Canada
[8] York Univ, Toronto, ON M3J 2R7, Canada
[9] Univ Sci & Technol China, Hefei 230026, Peoples R China
[10] Univ Los Andes, Bogota, Colombia
[11] Charles Univ Prague, Ctr Particle Phys, Prague, Czech Republic
[12] Czech Tech Univ, CR-16635 Prague, Czech Republic
[13] Acad Sci Czech Republ, Inst Phys, Ctr Particle Phys, Prague, Czech Republic
[14] Univ San Freancisco Quito, Quito, Ecuador
[15] Univ Clermont Ferrand, CNRS, IN2P3, Phys Corpusculaire Lab, Clermont Ferrand, France
[16] Univ Grenoble 1, CNRS, IN2P3, Lab Phys Subatom & Cosmol, Grenoble, France
[17] Univ Mediterranee, CNRS, CPPM, IN2P3, Marseille, France
[18] CNRS, Lab Accelerateur Lineaire, IN2P3, F-91405 Orsay, France
[19] Univ Paris 06, LPNHE, IN2P3, CNRS, Paris, France
[20] Univ Paris 07, LPNHE, IN2P3, CNRS, Paris, France
[21] CEA, DAPNIA, Serv Phys Particules, Saclay, France
[22] Univ Strasbourg, CNRS, IPHC, IN2P3, Strasbourg, France
[23] Univ Haute Alsace, Mulhouse, France
[24] Univ Lyon 1, CNRS, IN2P3, Inst Phys Nucl Lyon, F-69622 Villeurbanne, France
[25] Rhein Westfal TH Aachen, Inst Phys A 3, D-5100 Aachen, Germany
[26] Univ Bonn, Inst Phys, D-5300 Bonn, Germany
[27] Univ Freiburg, Inst Phys, Freiburg, Germany
[28] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany
[29] Univ Munich, Munich, Germany
[30] Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany
[31] Panjab Univ, Chandigarh 160014, India
[32] Univ Delhi, Delhi 110007, India
[33] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
[34] Univ Coll Dublin, Dublin 2, Ireland
[35] Korea Univ, Korea Detector Lab, Seoul 136701, South Korea
[36] Sungkyunkwan Univ, Suwon, South Korea
[37] CINVESTAV, Mexico City 14000, DF, Mexico
[38] NIKHEF, FOM Inst, Amsterdam, Netherlands
[39] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands
[40] Radboud Univ Nijmegen, NIKHEF, Nijmegen, Netherlands
[41] Joint Inst Nucl Res, Dubna, Russia
[42] Inst Theoret & Expt Phys, Moscow 117259, Russia
[43] Moscow MV Lomonosov State Univ, Moscow, Russia
[44] Inst High Energy Phys, Protvino, Russia
[45] Petersburg Nucl Phys Inst, St Petersburg, Russia
[46] Lund Univ, Lund, Sweden
[47] Royal Inst Technol, Stockholm, Sweden
[48] Stockholm Univ, S-10691 Stockholm, Sweden
[49] Uppsala Univ, Uppsala, Sweden
[50] Univ Zurich, Inst Phys, Zurich, Switzerland
来源
PHYSICAL REVIEW D | 2006年 / 74卷 / 09期
基金
英国科学技术设施理事会;
关键词
D O I
10.1103/PhysRevD.74.092005
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present a measurement of the top quark mass with the matrix element method in the lepton+jets final state. As the energy scale for calorimeter jets represents the dominant source of systematic uncertainty, the matrix element likelihood is extended by an additional parameter, which is defined as a global multiplicative factor applied to the standard energy scale. The top quark mass is obtained from a fit that yields the combined statistical and systematic jet energy scale uncertainty. Using a data set of 0.4 fb(-1) taken with the D0 experiment at Run II of the Fermilab Tevatron Collider, the mass of the top quark is measured using topological information to be: m(top)(center dot+jets)(topo)=169.2(-7.4)(+5.0)(stat+JES)(-1.4)(+1.5)(syst) GeV, and when information about identified b jets is included: m(top)(center dot+jets)(b-tag)=170.3(-4.5)(+4.1)(stat+ JES)(-1.8)(+1.2)(syst) GeV. The measurements yield a jet energy scale consistent with the reference scale.
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页数:26
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