A Direct Measurement of the $W$ Decay Width

Vine, T.

doi:10.2172/981478

Cited by 1 publication

(4 citation statements)

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“…This is described in detail in [61]. The electron and muon trigger efficiencies are high and well modelled and also described in detail in [61]. The systematic uncertainty on the W width from the acceptances and efficiencies is 3 MeV (4 MeV) and 10 MeV (6 MeV)…”

Section: Acceptances and Efficienciesmentioning

confidence: 97%

“…The fiduciality requirements and the efficiency of the electron and muon selection requirements need to be modelled in the simulation. This is described in detail in [61]. The electron and muon trigger efficiencies are high and well modelled and also described in detail in [61].…”

Section: Acceptances and Efficienciesmentioning

confidence: 98%

“…This is thought to be due to the variation of the calorimeter response as a function of calorimeter depth. This is described in more detail in [61], together with a description of how it is simulated and how the systematic on the width is evaluated. The systematic uncertainty on Γ W from the calorimeter non-linearity is found to be 12 MeV.…”

Section: Calorimeter Non-linearitymentioning

confidence: 99%

“…The backgrounds in the electron and muon channels for the W width analysis are discussed in detail in [61] and the systematic on Γ W from the amount and shape of the backgrounds is also given.…”

Section: Chapter 9 Backgroundsmentioning

confidence: 99%

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Precision measurement of the mass and width of the W boson at CDF

Malik¹

2009

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The mass and width of the W boson is extracted by fitting to the transverse mass distribution, with the peak of the distribution being most sensitive to the mass and the tail of the distribution sensitive to the width. The W width measurement in the electron and muon channels is combined to give a final result of 2032 ± 73 MeV.The systematic uncertainty on the W mass from the recoil of the W boson against the initial state gluon radiation is discussed. A systematic study of the recoil in Z → e + e − events where one electron is reconstructed in the central calorimeter and the other in the plug calorimeter and its effect on the W mass is presented for the first time in this thesis.

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Section: Acceptances and Efficienciesmentioning

confidence: 97%

Section: Acceptances and Efficienciesmentioning

confidence: 98%

Section: Calorimeter Non-linearitymentioning

confidence: 99%

Section: Chapter 9 Backgroundsmentioning

confidence: 99%

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