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Precise measurement of the W-boson mass with the Collider Detector at Fermilab

Abstract: We present a measurement of the W-boson mass, MW, using data corresponding to 2.2??fb-1 of integrated luminosity collected in p¯p collisions at vs=1.96??TeV with the CDF II detector at the Fermilab Tevatron. The selected sample of 470?126 W?e? candidates and 624?708 W?µ? candidates yields the measurement MW=80387±12(stat)±15(syst)=80387±19??MeV/c2. This is the most precise single measurement of the W-boson mass to date.

Fuente: Phys. Rev. D, Vol. 89, Num. 7, Pag. 072003 (2014)

Publisher: American Physical Society

Publication date: 01/04/2014

No. of pages: 40

Publication type: Article

DOI: 10.1103/PhysRevD.89.072003

ISSN: 1550-7998,1550-2368,2470-0010,2470-0029

Spanish project: FPA2014-55295-C3-1-R ; FPA 2011-28694-C02-01

Publication Url: https://doi.org/10.1103/PhysRevD.89.072003

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