Brief ReviewNo Access

PRECISE MEASUREMENT OF THE W-BOSON MASS AT CDF

YU ZENG

Department of Physics, Duke University, Durham, NC 27708, USA

CGG, Houston, TX 77072.

https://doi.org/10.1142/S021773231330019XCited by:0 (Source: Crossref)

Abstract

This review presents the world's most precise measurement of the W-boson mass m_W using data corresponding to ≈ 2.2 fb^-1 integrated luminosity collected with the CDF II detector at Fermi National Accelerator Laboratory (Fermilab). With samples of 470,126 W → eν candidates and 624,708 W → μν candidates, m_W is measured to be 80387±12_stat ± 15_syst = 80387 ± 19 MeV [Phys. Rev. Lett.108, 151803 (2012)]. This result significantly exceeds the precision of all previous measurements and improves the world averaged precision by 30%.

CDF is the abbreviation of the Collider Detector at Fermilab.

Keywords:

PACS: 13.38.Be, 14.70.Fm, 12.15.Ji, 13.85.Qk

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