An Improved W Boson Mass Measurement Using The Collider Detector At Fermilab PDF Download
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| Total Pages | : 238 |
| Release | : 2012 |
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Download An Improved W Boson Mass Measurement Using the Collider Detector at Fermilab Book in PDF, ePub and Kindle
The mass of the W boson is one of the most important parameters in the Standard Model. A precise measurement of the W boson mass, together with a precise measurement of the top quark mass, can constrain the mass of the undiscovered Higgs boson within the Standard Model framework or give a hint for physics beyond the Standard Model. This dissertation describes a measurement of the W boson mass through its decay into a muon and a neutrino using ~ 2.2 fb-1 of √ s = 1.96 TeV p$\bar{p}$ data taken with the CDF II detector at Fermilab. We measure the W boson mass to be (80.374 ± 0.015stat. ± 0.016syst.) GeV/c2. This result, when combined with the W mass measurement in the electron channel, leads to the single most precise mW value and greatly constrains the possible mass range of the undiscovered Higgs boson. iv.
| Author | : Andrew Scott Gordon |
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| Total Pages | : 632 |
| Release | : 1998 |
| Genre | : Proton-antiproton interactions |
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Download Measurement of the W Boson Mass with the Collider Detector at Fermilab Book in PDF, ePub and Kindle
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| Total Pages | : 120 |
| Release | : 2007 |
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Download Measurement of the W Boson Mass at the Collider Detector at Fermilab from a Fit to the Transverse Momentum Spectrum of the Muon Book in PDF, ePub and Kindle
This thesis describes a measurement of the W boson mass from a fit to the transverse momentum spectrum of the muon in W decay. In past measurements this technique was used as a cross-check, however, now presents the best method in terms of systematic uncertainty. We discuss all sources of systematic uncertainty with emphasis on those to which the muon p{sub T} measurement is particularly sensitive, specifically, those associated with modeling the production and decay of W bosons. The data were collected with the CDF II detector between March 2002 and September 2003 and correspond to an integrated luminosity of (191 ± 11) pb−1. We measure the W mass to be (80.316 ± 0.066{sub stat.} ± 0.051{sub syst.}) GeV/c2 = (80.316 ± 0.083) GeV/c2.
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| Release | : 2013 |
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Download A Precise Measurement of the $W$-boson Mass with the Collider Detector at Fermilab Book in PDF, ePub and Kindle
| Author | : Ian E. Vollrath |
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| Total Pages | : 216 |
| Release | : 2007 |
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| ISBN | : 9780494280812 |
Download Measurement of the W Boson Mass at the Collider Detector at Fermilab from a Fit to the Transverse Momentum Spectrum of the Muon Book in PDF, ePub and Kindle
This thesis describes a measurement of the W boson mass from a fit to the transverse momentum spectrum of the muon in W decay. In past measurements this technique was used as a cross-check, however, now presents the best method in terms of systematic uncertainty. We discuss all sources of systematic uncertainty with emphasis on those to which the Muon pT measurement is particularly sensitive, specifically, those associated with modelling the production and decay of W bosons. The data were collected with the CDF II detector between March 2002 and September 2003 and correspond to an integrated luminosity of (191 +/- 11) pb-1. We measure the W mass to be (80.316 +/- 0.066stat. +/- 0.051syst.) GeV/c2 = (80.316 +/- 0.083) GeV/ c2.
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| Release | : 2000 |
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Download A New Measurement of the W Boson Mass at D-Zero Book in PDF, ePub and Kindle
We present a new measurement of the W mass using the W [yields] e[nu] data from the D0 forward detectors at the Fermilab Tevatron p[anti p] Collider. This is the first measurement of the W mass with electron candidates in the range 1.5
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| Total Pages | : 116 |
| Release | : 2006 |
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Download First Measurement of the W Boson Mass with CDF in Run 2 Book in PDF, ePub and Kindle
This thesis describes a first measurement of the W Boson mass through the decay into a muon and a neutrino in Run 2 of the Tevatron. The W Bosons are produced in proton-antiproton collisions at a center of mass energy of 1.96 TeV. The data sample used for this analysis corresponds to 200 pb-1 recorded by the upgraded Collider Detector at Fermilab. The most important quantity in this measurement is the momentum of the muon measured in a magnetic spectrometer which is calibrated using the two quarkonium resonances J/? and Y(1S). Systematic uncertainties arise from the modeling of the recoil when the W Boson is produced, the momentum calibration, the modeling of W Boson production and decay dynamics and backgrounds. The result is: MW = 80408 ± 50(stat.) ± 57(syst.) MeV/c2.
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| Release | : 2001 |
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Download Direct and Indirect Measurements of the W Boson Mass at Fermilab Book in PDF, ePub and Kindle
Presented are the direct measurements of the W boson mass from the CDF and D0 experiments at the Fermilab p[bar p] collider using data from the 1994--1995 run. The W from the D0 experiment is 80.44[+-] 0.12 GeV and the preliminary mass from CDF is 80.43[+-] 0.16 GeV. Combining these mass values with the previous Tevatron measurements leads to a M[sub W] 80.41[+-] 0.09 GeV. Also, presented is the new measurement of sin[sup 2][Theta][sub W][sup on-shell]= 0.2199[+-] 0.0020(stat)[+-] 0.0009(syst) from the deep inelastic neutrino scattering experiment (NuTeV) at Fermilab. In the context of the Standard Model this can be interpreted as a M[sub W]= 80.53[+-] 0.11 GeV.
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| Total Pages | : 7 |
| Release | : 2009 |
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Download Measurement of the W Boson Mass Book in PDF, ePub and Kindle
The authors present a measurement of the W boson mass in W → e[nu] decays using 1 fb−1 of data collected with the D0 detector during Run II of the Fermilab Tevatron collider. With a sample of 499830 W → e[nu] candidate events, they measure M{sub W} = 80.401 ± 0.043 GeV. This is the most precise measurement from a single experiment.
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| Total Pages | : 4 |
| Release | : 2012 |
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Download Precise Measurement of the $W$-boson Mass with the CDF II Detector Book in PDF, ePub and Kindle
We have measured the W-boson mass M{sub W} using data corresponding to 2.2 fb−1 of integrated luminosity collected in p{bar p} collisions at √s = 1.96 TeV with the CDF II detector at the Fermilab Tevatron collider. Samples consisting of 470 126 W → e? candidates and 624 708 W →?? candidates yield the measurement M{sub W} = 80 387 ± 12{sub stat} ± 15{sub syst} = 80 387 ± 19 MeV/c2. This is the most precise measurement of the W-boson mass to date and significantly exceeds the precision of all previous measurements combined.
