The Charge asymmetry in W bosons produced in p anti-p collisions at center of mass energy - 1.96 TeV

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The primary mode of production of W{sup +} bosons in a p{bar p} collider is u + {bar d} {yields} W{sup +}. The u quark generally carries more momentum than the {bar d} and the resultant W{sup +} tends to be boosted in the proton direction. Similarly, W bosons are boosted in the anti-proton direction. This is observed as an asymmetry in the rapidity distributions of positive and negative W bosons. Measurement of this asymmetry serves as a probe of the momentum distribution of partons within the proton. These distributions are required as input to the calculation of every p{bar ... continued below

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145 pages

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Torborg, Julie M. & U., /Notre Dame July 1, 2005.

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The primary mode of production of W{sup +} bosons in a p{bar p} collider is u + {bar d} {yields} W{sup +}. The u quark generally carries more momentum than the {bar d} and the resultant W{sup +} tends to be boosted in the proton direction. Similarly, W bosons are boosted in the anti-proton direction. This is observed as an asymmetry in the rapidity distributions of positive and negative W bosons. Measurement of this asymmetry serves as a probe of the momentum distribution of partons within the proton. These distributions are required as input to the calculation of every p{bar p} production cross section. This thesis presents the first measurement at D0 of the charge asymmetry of the W boson production cross section as measured in W {yields} ev decays in 0.3 fb{sup -1} of p{bar p} collisions collected with the D0 Detector. Theoretical predictions made using the CTEQ6.1M and MRST(2004) parton distribution functions are compared with the measurement.

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145 pages

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  • Report No.: FERMILAB-THESIS-2005-70
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 879100
  • Archival Resource Key: ark:/67531/metadc878736

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  • July 1, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 2, 2016, 9:13 p.m.

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Thumbnail image of item number 1 in: 'The Charge asymmetry in W bosons produced in p anti-p collisions at center of mass energy - 1.96 TeV'.
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Torborg, Julie M. & U., /Notre Dame. The Charge asymmetry in W bosons produced in p anti-p collisions at center of mass energy - 1.96 TeV, thesis or dissertation, July 1, 2005; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc878736/: accessed September 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.