Measurement of the mass of the W boson in e+e- collisions using the fully leptonic channel

被引：10

作者：

Abbiendi, G ^{[1
]}

Ainsley, C

Åkesson, PF

Alexander, G

Allison, J

Anagnostou, G

Anderson, KJ

Asai, S

Axen, D

Azuelos, G

Bailey, I

Barberio, E

Barlow, RJ

Batley, RJ

Bechtle, P

Behnke, T

Bell, KW

Bell, PJ

Bella, G

Bellerive, A

Benelli, G

Bethke, S

Biebel, O

Bloodworth, IJ

Boeriu, O

Bock, P

Bonacorsi, D

Boutemeur, M

Braibant, S

Brigliadori, L

Brown, RM

Buesser, K

Burckhart, HJ

Cammin, J

Campana, S

Carnegie, RK

Caron, B

Carter, AA

Carter, JR

Chang, CY

Charlton, DG

Cohen, I

Csilling, A

Cuffiani, M

Dado, S

Dallavalle, GM

Dallison, S

De Roeck, A

De Wolf, EA

Desch, K

机构：

[1] Univ Bologna, Dipartimento Fis, I-40126 Bologna, Italy

[2] Univ Bologna, Ist Nazl Fis Nucl, I-40126 Bologna, Italy

[3] Univ Manchester, Dept Phys, Schuster Lab, Manchester M13 9PL, Lancs, England

[4] UCL, London WC1E 6BT, England

[5] Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany

[6] Queen Mary Univ London, London E1 4NS, England

[7] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA

[8] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany

[9] Univ Freiburg, Fak Phys, D-79104 Freiburg, Germany

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

[11] Univ Chicago, Dept Phys, Chicago, IL 60637 USA

[12] CERN, European Org Nucl Res, CH-1211 Geneva 23, Switzerland

[13] Carleton Univ, Dept Phys, Ottawa Carleton Inst Phys, Ottawa, ON K1S 5B6, Canada

[14] Cavendish Lab, Cambridge CB3 0HE, England

[15] Univ Calif Riverside, Dept Phys, Riverside, CA 92521 USA

[16] Univ Bonn, Inst Phys, D-53115 Bonn, Germany

[17] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England

[18] Yale Univ, Dept Phys, New Haven, CT 06520 USA

[19] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[20] Univ Munich, Sekt Phys, D-85748 Garching, Germany

[21] Inst Nucl Res, H-4001 Debrecen, Hungary

[22] Res Inst Particle & Nucl Phys, H-1525 Budapest, Hungary

[23] Univ Alberta, Dept Phys, Edmonton, AB T6G 2J1, Canada

[24] Univ British Columbia, Dept Phys, Vancouver, BC V6T 1Z1, Canada

[25] Univ Victoria, Dept Phys, Victoria, BC V8W 3P6, Canada

[26] Univ Hamburg, DESY, Inst Expt Phys 2, D-22607 Hamburg, Germany

[27] Weizmann Inst Sci, Particle Phys Dept, IL-76100 Rehovot, Israel

[28] Kobe Univ, Kobe, Hyogo 6578501, Japan

[29] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan

[30] Univ Tokyo, Int Ctr Elementary Particle Phys, Tokyo 1130033, Japan

[31] Tel Aviv Univ, Dept Phys & Astron, IL-69978 Tel Aviv, Israel

[32] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel

[33] Rutherford Appleton Lab, CLRC, Didcot OX11 0QX, Oxon, England

[34] Univ Oregon, Dept Phys, Eugene, OR 97403 USA

[35] Univ Montreal, Phys Nucl Lab, Montreal, PQ H3C 3J7, Canada

[36] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[37] Univ Instelling Antwerp, Dept Phys, B-2610 Antwerp, Belgium

[38] CERN, Div EP, CH-1211 Geneva 23, Switzerland

[39] Res Inst Particle & Nucl Phys, Budapest, Hungary

[40] Max Planck Inst, Munich, Germany

[41] Univ Debrecen, Dept Expt Phys, H-4012 Debrecen, Hungary

[42] Inst Nucl Res, H-4001 Debrecen, Hungary

[43] TRIUMF, Vancouver, BC V6T 2A3, Canada

来源：

EUROPEAN PHYSICAL JOURNAL C | 2003年 / 26卷 / 03期

关键词：

D O I：

10.1140/epjc/s2002-01070-9

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

A novel method of determining the mass of the W boson in the W+W- --> lvl'v' channel is presented and applied to 667 pb(-) (1) of data recorded at center-of-mass energies in the range 183-207 GeV with the OPAL detector at LEP. The measured energies of charged leptons and the results of a new procedure based on an approximate kinematic reconstruction of the events are combined to give: M-w = 80.41 +/- 0.41 +/- 0.13 GeV, where the first error is statistical and the second is systematic. The systematic error is dominated by the uncertainty on the lepton energy, which is calibrated using data, and the parameterization of the variables used in the fitting, which is obtained using Monte Carlo events. Both of these are limited by statistics.

引用

页码：321 / 330

页数：10

共 22 条

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