Measurement of the W Boson Production Charge Asymmetry in Pp̄ Collisions PDF Download
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Author: Bo-Young Han
Publisher:
ISBN:
Category :
Languages : en
Pages : 336
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Book Description
Author: Bo-Young Han
Publisher:
ISBN:
Category :
Languages : en
Pages : 336
Get Book Here
Book Description
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Author:
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ISBN:
Category :
Languages : en
Pages : 19
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Book Description
This letter reports a measurement of the muon charge asymmetry from W Boson produced in proton-proton collisions at a centre-of-mass energy of 7 TeV with the ATLAS experiment at the LHC. The asymmetry is measured in the W → [mu][nu] decay mode as a function of the muon pseudorapidity using a data sample corresponding to a total integrated luminosity of 31 pb-1. The results are compared to predictions based on next-to-leading order calculations with various parton distribution functions. The measurement provides information on the u and d quark momentum fractions in the proton.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 184
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Book Description
We present a measurement of the W boson production charge asymmetry using the W → e[nu] decay channel. We use data collected the Collider Detector at Fermilab (CDF) from p{bar p} collisions at √s = 1.96 TeV. The data were collected up to February 2006 (Run II) and represent an integrated luminosity of 1 fb−1. The experimental measurement of W production charge asymmetry is compared to higher order QCD predictions generated using MRST2006 and CTEQ6 parton distribution functions (PDF). The asymmetry provides new input on the momentum fraction dependence of the u and d quark parton distribution functions (PDF) within the proton over the fraction of proton's momentum range from 0.002
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 19
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Book Description
This letter reports a measurement of the muon charge asymmetry from W Boson produced in proton-proton collisions at a centre-of-mass energy of 7 TeV with the ATLAS experiment at the LHC. The asymmetry is measured in the W → ?? decay mode as a function of the muon pseudorapidity using a data sample corresponding to a total integrated luminosity of 31 pb-1. The results are compared to predictions based on next-to-leading order calculations with various parton distribution functions. The measurement provides information on the u and d quark momentum fractions in the proton.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 203
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Book Description
We present a measurement of the W boson charge asymmetry in p $\bar{p}$ collisions using W →ev decays using 750 pb-1 of data collected with the D detector at the Fermilab Tevatron. The electron coverage is extended to.
Author: Verena Ingrid Martinez Outschoorn
Publisher:
ISBN:
Category : Collisions (Nuclear physics)
Languages : en
Pages : 422
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Book Description
Author:
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ISBN:
Category :
Languages : en
Pages :
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Book Description
We present a measurement of the W boson production charge asymmetry in p$ar{p}$→W+X→e?+X events at a center of mass energy of 1.96 TeV, using 9.7 fb-1 of integrated luminosity collected with the D0 detector at the Fermilab Tevatron Collider. The neutrino longitudinal momentum is determined by using a neutrino weighting method, and the asymmetry is measured as a function of the W boson rapidity. The measurement extends over wider electron pseudorapidity region than previous results and is the most precise to date, allowing for precise determination of proton parton distribution functions in global fits.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 184
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Book Description
We present a measurement of the W boson production charge asymmetry using the W → ev decay channel. We use data collected the Collider Detector at Fermilab (CDF) from p$ar{p}$ collisions at √s = 1.96 TeV. The data were collected up to February 2006 (Run II) and represent an integrated luminosity of 1 fb-1. The experimental measurement of W production charge asymmetry is compared to higher order QCD predictions generated using MRST2006 and CTEQ6 parton distribution functions (PDF). The asymmetry provides new input on the momentum fraction dependence of the u and d quark parton distribution functions (PDF) within the proton over the fraction of proton's momentum range from 0.002 x 0.8 corresponding to -3.0 ysubW/sub 3.0 at Qsup2/sup ̃M
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 7
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Book Description
We present the first direct measurement of the W production charge asymmetry as a function of the W boson rapidity y{sub W} in p{bar p} collisions at √s = 1.96 TeV. We use a sample of W → e[nu] events in data from 1 fb−1 of integrated luminosity collected using the CDF II detector. In the region
Author: Julie M. Torborg
Publisher:
ISBN:
Category :
Languages : en
Pages : 145
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Book Description
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.
