The mass and width of the W boson

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The Tevatron and LEP2 experiments presently provide the most precise direct determinations of the mass and width of the W boson. The combined results are: M{sub w} = 80.394 {+-} 0.042 GeV and {Gamma}{sub w} = 2.095 {+-} 0.106 GeV. The results are in excellent agreement with the predictions of the Standard Model. In this article the latest results are described and the systematic errors which could limit further significant improvements in the precision of these measurements are reviewed.

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16 pages

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Lancaster, M. February 9, 2000.

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Description

The Tevatron and LEP2 experiments presently provide the most precise direct determinations of the mass and width of the W boson. The combined results are: M{sub w} = 80.394 {+-} 0.042 GeV and {Gamma}{sub w} = 2.095 {+-} 0.106 GeV. The results are in excellent agreement with the predictions of the Standard Model. In this article the latest results are described and the systematic errors which could limit further significant improvements in the precision of these measurements are reviewed.

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16 pages

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  • 19th International Conference on Physics in Collision, Ann Arbor, MI (US), 06/24/1999--06/27/1999

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  • Report No.: FERMILAB--Conf-99/372-E
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 751054
  • Archival Resource Key: ark:/67531/metadc706878

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  • February 9, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 1, 2016, 5:32 p.m.

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Lancaster, M. The mass and width of the W boson, article, February 9, 2000; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc706878/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.