Combination of CDF and D0 W-Boson mass measurements

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URI: http://hdl.handle.net/10902/6352
ISSN: 1550-7998
ISSN: 1550-2368
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Author
Aaltonen, Timo Antero; Abazov, Victor Mukhamedovich; Abbott, Brad K.; Acharya, Bobby Samir; Adams, Malcolm R.; Adams, Todd R.; Agnew, James Paul; Alexeev, Guennadi D.; Alkhazov, G. D.; Alton, Anrew; Amerio, Silvia; Casal Laraña, Bruno; Cuevas Maestro, Francisco Javier; Gómez Gramuglio, Gervasio; Palencia Cortezón, Enrique; Ruiz Jimeno, Alberto; Scodellaro, Luca; Vizán García, Jesús Manuel; Vogel, Marcelo; [et al.]
Date
2013-09
Derechos
© 2013 American Physical Society
Publicado en
Physical review. D, Particles, fields, gravitation, and cosmology, vol. 88, num. 5, art. num. 052018, (2013)
Publisher
American Physical Society
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Abstract:
We summarize and combine direct measurements of the mass of the W boson in s√=1.96  TeV proton-antiproton collision data collected by CDF and D0 experiments at the Fermilab Tevatron Collider. Earlier measurements from CDF and D0 are combined with the two latest, more precise measurements: a CDF measurement in the electron and muon channels using data corresponding to 2.2  fb−1 of integrated luminosity, and a D0 measurement in the electron channel using data corresponding to 4.3  fb−1 of integrated luminosity. The resulting Tevatron average for the mass of the W boson is MW=80387±16  MeV. Including measurements obtained in electron-positron collisions at LEP yields the most precise value of MW=80385±15  MeV.
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