W-like measurement of the Z boson mass using dimuon events collected in pp collisions at
Collaboration
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Abstract:
The mass of the Z boson is measured using a sample of events, where one of the two muons is removed from the event to form the candidate. This procedure provides a proof of principle and a quantitative validation of analysis techniques developed for a high-precision measurement of the W boson mass in events. The study is made on the basis of a dimuon data sample collected by CMS at , corresponding to an integrated luminosity of . A set of candidates is used to extract the result. The Z mass is extracted through the lepton , transverse mass and transverse missing energy distributions, and is compatible with the world-average value, . The lowest uncertainty is obtained when using the transverse mass, for which .Note:
- Preliminary results
- Data
- p p: colliding beams
- mass: transverse
- Z0: mass: measured
- p p: scattering
- Z0: leptonic decay
- muon: pair production
- transverse energy: missing-energy
- lepton: transverse momentum
- lepton: transverse energy
References(34)
Figures(17)
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