Measurement of the top-quark mass in the t(t)over-bar dilepton channel using the full CDF Run II data set

被引：4

作者：

Aaltonen, T. ^{[23
,24
]}

Amerio, S. ^{[48
,49
]}

Amidei, D. ^{[40
]}

Anastassov, A. ^{[17
]}

Annovi, A. ^{[19
]}

Antos, J. ^{[13
,14
]}

Apollinari, G. ^{[17
]}

Appel, J. A. ^{[17
]}

Arisawa, T. ^{[71
]}

Artikov, A. ^{[15
]}

Asaadi, J. ^{[63
]}

Ashmanskas, W. ^{[17
]}

Auerbach, B. ^{[2
]}

Aurisano, A. ^{[63
]}

Azfar, F. ^{[47
]}

Badgett, W. ^{[17
]}

Bae, T. ^{[28
,29
,30
,31
,32
,33
,34
]}

Barbaro-Galtieri, A. ^{[35
]}

Barnes, V. E. ^{[58
]}

Barnett, B. A. ^{[26
]}

Barria, P. ^{[51
,53
]}

Bartos, P. ^{[13
,14
]}

Bauce, M. ^{[48
,49
]}

Bedeschi, F. ^{[51
]}

Behari, S. ^{[17
]}

Bellettini, G. ^{[51
,52
]}

Bellinger, J. ^{[73
]}

Benjamin, D. ^{[16
]}

Beretvas, A. ^{[17
]}

Bhatti, A. ^{[60
]}

Bland, K. R. ^{[5
]}

Blumenfeld, B. ^{[26
]}

Bocci, A. ^{[16
]}

Bodek, A. ^{[59
]}

Bortoletto, D. ^{[58
]}

Boudreau, J. ^{[57
]}

Boveia, A. ^{[12
]}

Brigliadori, L. ^{[6
,7
]}

Bromberg, C. ^{[41
]}

Brucken, E. ^{[23
,24
]}

Budagov, J. ^{[15
]}

Budd, H. S. ^{[59
]}

Burkett, K. ^{[17
]}

Busetto, G. ^{[48
,49
]}

Bussey, P. ^{[21
]}

Butti, P. ^{[51
,52
]}

Buzatu, A. ^{[21
]}

Calamba, A. ^{[11
]}

Camarda, S. ^{[4
]}

Campanelli, M. ^{[37
]}

机构：

[1] Acad Sinica, Inst Phys, Taipei 11529, Taiwan

[2] Argonne Natl Lab, Argonne, IL 60439 USA

[3] Univ Athens, GR-15771 Athens, Greece

[4] Univ Autonoma Barcelona, ICREA, Inst Fis Altes Energies, E-08193 Barcelona, Spain

[5] Baylor Univ, Waco, TX 76798 USA

[6] Ist Nazl Fis Nucl, I-40127 Bologna, Italy

[7] Univ Bologna, I-40127 Bologna, Italy

[8] Univ Calif Davis, Davis, CA 95616 USA

[9] Univ Calif Los Angeles, Los Angeles, CA 90024 USA

[10] Univ Cantabria, CSIC, Inst Fis Cantabria, E-39005 Santander, Spain

[11] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[12] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[13] Comenius Univ, Bratislava 84248, Slovakia

[14] Inst Phys Expt, Kosice 04001, Slovakia

[15] Joint Inst Nucl Res, RU-141980 Dubna, Russia

[16] Duke Univ, Durham, NC 27708 USA

[17] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[18] Univ Florida, Gainesville, FL 32611 USA

[19] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[20] Univ Geneva, CH-1211 Geneva 4, Switzerland

[21] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland

[22] Harvard Univ, Cambridge, MA 02138 USA

[23] Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland

[24] Helsinki Inst Phys, FIN-00014 Helsinki, Finland

[25] Univ Illinois, Urbana, IL 61801 USA

[26] Johns Hopkins Univ, Baltimore, MD 21218 USA

[27] Karlsruhe Inst Technol, Inst Expt Kernphys, D-76131 Karlsruhe, Germany

[28] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea

[29] Seoul Natl Univ, Seoul 151742, South Korea

[30] Sungkyunkwan Univ, Suwon 440746, South Korea

[31] Korea Inst Sci & Technol Informat, Daejeon 305806, South Korea

[32] Chonnam Natl Univ, Gwangju 500757, South Korea

[33] Chonbuk Natl Univ, Jeonju 561756, South Korea

[34] Ewha Womans Univ, Seoul 120750, South Korea

[35] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[36] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England

[37] UCL, London WC1E 6BT, England

[38] Ctr Invest Energet Medioambient & Tecnol, E-28040 Madrid, Spain

[39] MIT, Cambridge, MA 02139 USA

[40] Univ Michigan, Ann Arbor, MI 48109 USA

[41] Michigan State Univ, E Lansing, MI 48824 USA

[42] ITEP, Moscow 117259, Russia

[43] Univ New Mexico, Albuquerque, NM 87131 USA

[44] Ohio State Univ, Columbus, OH 43210 USA

[45] Okayama Univ, Okayama 7008530, Japan

[46] Osaka City Univ, Osaka 5588585, Japan

[47] Univ Oxford, Oxford OX1 3RH, England

[48] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy

[49] Univ Padua, I-35131 Padua, Italy

[50] Univ Penn, Philadelphia, PA 19104 USA

来源：

PHYSICAL REVIEW D | 2015年 / 92卷 / 03期

基金：

美国国家科学基金会; 加拿大自然科学与工程研究理事会; 英国科学技术设施理事会; 瑞士国家科学基金会; 澳大利亚研究理事会; 俄罗斯基础研究基金会; 芬兰科学院; 新加坡国家研究基金会;

关键词：

D O I：

10.1103/PhysRevD.92.032003

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 in events containing two leptons (electrons or muons) with a large transverse momentum, two or more energetic jets, and a transverse-momentum imbalance. We use the full proton-antiproton collision data set collected by the CDF experiment during the Fermilab Tevatron Run II at center-of-mass energy root s = 1.96 TeV, corresponding to an integrated luminosity of 9.1 fb(-1). A special observable is exploited for an optimal reduction of the dominant systematic uncertainty, associated with the knowledge of the absolute energy of the hadronic jets. The distribution of this observable in the selected events is compared to simulated distributions of t (t) over bar dilepton signal and background. We measure a value for the top-quark mass of 171.5 +/- 1.9 (stat) +/- 2.5 (syst) GeV/c(2).

引用

页数：10

共 50 条

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