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The Charge Asymmetry In W Boson Production In Pbar P Collisions At The Sqrts
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Book Synopsis The Charge Asymmetry in $W$ Boson Production in $p\bar P$ Collisions at the $\sqrt{s} by :
Download or read book The Charge Asymmetry in $W$ Boson Production in $p\bar P$ Collisions at the $\sqrt{s} written by and published by . This book was released on 2009 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Measurement of the W Boson Production Charge Asymmetry in P Pbar Collisions by :
Download or read book Measurement of the W Boson Production Charge Asymmetry in P Pbar Collisions written by and published by . This book was released on 2008 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Measurement of the W Boson Production Charge Asymmetry in P$\bar{p}$ Collisions by :
Download or read book Measurement of the W Boson Production Charge Asymmetry in P$\bar{p}$ Collisions written by and published by . This book was released on 2008 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis The Charge Asymmetry in W Bosons Produced in P Anti-p Collisions at Center of Mass Energy - 1.96 TeV. by : Julie M. Torborg
Download or read book The Charge Asymmetry in W Bosons Produced in P Anti-p Collisions at Center of Mass Energy - 1.96 TeV. written by Julie M. Torborg and published by . This book was released on 2005 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis The Charge Asymmetry in W Bosons Produced in P$\bar{p}$ Collisions at {u221A}s by :
Download or read book The Charge Asymmetry in W Bosons Produced in P$\bar{p}$ Collisions at {u221A}s written by and published by . This book was released on 2005 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary mode of production of W+ bosons in a p$ar{p}$ collider is u + $ar{d}$ → W+. The u quark generally carries more momentum than the $ar{d}$ and the resultant W+ 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$ar{p}$ 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 → ev decays in 0.3 fb-1 of p$ar{p}$ collisions collected with the D0 Detector. Theoretical predictions made using the CTEQ6.1M and MRST(2004) parton distribution functions are compared with the measurement.
Book Synopsis Measurement of the W Boson Production Charge Asymmetry in Pp̄ Collisions by : Bo-Young Han
Download or read book Measurement of the W Boson Production Charge Asymmetry in Pp̄ Collisions written by Bo-Young Han and published by . This book was released on 2008 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis W Boson Production in /bar P/p Collisions At. Sqrt. S by :
Download or read book W Boson Production in /bar P/p Collisions At. Sqrt. S written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The cross section for the production and subsequent decay of the W Intermediate Vector boson to electron and neutrino has been measured in .sqrt.s = 1.8 TeV /bar p/p collisions using the CDF Collider Detector at Fermilab. For this measurement, W events were identified from the large missing transverse energy associated with the unseen neutrino and an electromagnetic cluster passing rather loose electron criteria. 22 events passing the selection missing transverse energy greater than 25 GeV and electron transverse energy greater than 15 GeV were observed in a sample of 25nb/sup /minus/1/ yielding a sigma /center dot/ B = 2.6 ± 0.6 ± 0.5nb. This report agrees well with a parallel analysis based primarily on the identification of isolated electron and is in excellent agreement with theoretical predictions. 12 refs., 7 figs.
Book Synopsis Measurement of the Charge of Asymmetry of W Bosons Produced in Pp Collisions at SQRT(S) by : Verena Ingrid Martinez Outschoorn
Download or read book Measurement of the Charge of Asymmetry of W Bosons Produced in Pp Collisions at SQRT(S) written by Verena Ingrid Martinez Outschoorn and published by . This book was released on 2011 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis W-charge Asymmetry at CDF, Tests of Structure Functions by :
Download or read book W-charge Asymmetry at CDF, Tests of Structure Functions written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The charge asymmetry of W-bosons produced in p[bar p] collisions has been measured using 19,039 W [yields] e[nu] and W [yields] [mu][nu] decays recorded by the CDF detector during the 1992-93 Tevatron collider run. The asymmetry is sensitive to the slope of the proton's d/u quark distribution ratio down to x
Book Synopsis The Charge Asymmetry in W Bosons Production in Pp Collisions at the S by : David Khatidze
Download or read book The Charge Asymmetry in W Bosons Production in Pp Collisions at the S written by David Khatidze and published by . This book was released on 2009 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Charge Asymmetry in W Boson Decays Produced in Pp̄ Collisions by : Mark Dickson
Download or read book The Charge Asymmetry in W Boson Decays Produced in Pp̄ Collisions written by Mark Dickson and published by . This book was released on 1994 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the W Charge Asymmetry in the Pp Collisions at [arrow]" by :
Download or read book Measurement of the W Charge Asymmetry in the Pp Collisions at [arrow]" written by and published by . This book was released on 2011 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Study of W Boson Production in PPb Collisions at $\sqrt{s_{\mathrm{NN}}}$ by :
Download or read book Study of W Boson Production in PPb Collisions at $\sqrt{s_{\mathrm{NN}}}$ written by and published by . This book was released on 2015 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our first study of W boson production in pPb collisions is presented, for bosons decaying to a muon or electron, and a neutrino. The measurements are based on a data sample corresponding to an integrated luminosity of 34.6 nb-1 at a nucleon-nucleon centre-of-mass energy of [arrow]"NN= 5.02 TeV, collected by the CMS experiment. The W boson differential cross sections, lepton charge asymmetry, and forward-backward asymmetries are measured for leptons of transverse momentum exceeding 25 GeV/c, and as a function of the lepton pseudorapidity in the.
Book Synopsis A Study of W Boson Decay Charge Asymmetry Using Hadronic Tau Decays in Proton - Anti-proton Collisions at (square Root)s by :
Download or read book A Study of W Boson Decay Charge Asymmetry Using Hadronic Tau Decays in Proton - Anti-proton Collisions at (square Root)s written by and published by . This book was released on 2002 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation presents a measurement of the tau charge asymmetry in events where the taus are produced by W decays. This charge asymmetry appears as different rapidity distributions for positive and negative taus. Two competing effects generate tau charge asymmetry. The production mechanism for the W gauge boson generates a charge asymmetry which is a function of the ratio of parton distribution functions, d(x)=u(x), measured at x (almost equal to) M{sub W}/(square root)s. This is the dominant effect for tau charge asymmetry at small rapidity. At higher rapidity, however, the competing charge asymmetry from parity violation in W decay to taus becomes dominant. This tau asymmetry measurement is consistent with the Standard Model with a x2 per degree of freedom equal to 2.5 for 4 degrees of freedom when the asymmetry measurement is folded about y = 0, taking advantage of the CP symmetry of the underlying physics, and 8.9 for 8 degrees of freedom when it is not. This measurement introduces some methods and variables of interest to future analyses using hadronic decay modes of taus. This work was done using the CDF detector in {bar p}p collisions at (square root) = 1.8 TeV at Fermilab's Tevatron accelerator.
Book Synopsis Measurement of the W Boson Production Charge Asymmetry in Pp{u00AF}{u2192}W+X{u2192}e?+X Events at S by :
Download or read book Measurement of the W Boson Production Charge Asymmetry in Pp{u00AF}{u2192}W+X{u2192}e?+X Events at S written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Measurement of the W Boson Charge Asymmetry in Proton-proton Collisions at Sqrts} by : Tai-Hua Lin
Download or read book Measurement of the W Boson Charge Asymmetry in Proton-proton Collisions at Sqrts} written by Tai-Hua Lin and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis W Boson Production in Bar Pp Collisions at Radicals by :
Download or read book W Boson Production in Bar Pp Collisions at Radicals written by and published by . This book was released on 1988 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: