Multiple Parton Interactions In Ppbar Collisions In D0 Experiment At The Tevatron Collider
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Download Multiple Parton Interactions in Ppbar Collisions in D0 Experiment at the Tevatron Collider Book in PDF, Epub and Kindle
The thesis is devoted to the study of processes with multiple parton interactions (MPI) in a ppbar collision collected by D0 detector at the Fermilab Tevatron collider at sqrt(s) = 1.96 TeV. The study includes measurements of MPI event fraction and effective cross section, a process-independent parameter related to the effective interaction region inside the nucleon. The measurements are done using events with a photon and three hadronic jets in the final state. The measured effective cross section is used to estimate background from MPI for WH production at the Tevatron energy.
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Release | : 2016 |
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Download Study of Double Parton Interactions in Diphoton + Dijet Events in $p\bar{p}$ Collisions at $\sqrt{s} Book in PDF, Epub and Kindle
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Total Pages | : 15 |
Release | : 2009 |
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Download Double Parton Interactions in Photon+3 Jet Events in Ppbar Collisions Sqrt{s} Book in PDF, Epub and Kindle
We have used a sample of photon+3 jets events collected by the D0 experiment with an integrated luminosity of about 1 fb−1 to determine the fraction of events with double parton scattering (f{sub DP}) in a single ppbar collision at √s = 1.96 TeV. The DP fraction and effective cross section (sigma{sub eff}), a process-independent scale parameter related to the parton density inside the nucleon, are measured in three intervals of the second (ordered in p{sub T}) jet transverse momentum pT{sub jet2} within the range 15
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Total Pages | : 4 |
Release | : 2016 |
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Download Multiple Parton Interaction Studies at DØ Book in PDF, Epub and Kindle
Here, we present the results of studies of multiparton interactions done by the DØ collaboration using the Fermilab Tevatron at a center of mass energy of 1.96 TeV. We also present three analyses, involving three distinct final signatures: (a) a photon with at least 3 jets ([gamma] + 3jets), (b) a photon with a bottom or charm quark tagged jet and at least 2 other jets ([gamma] + b/c + 2jets), and (c) two J/ [psi] mesons. The fraction of photon + jet events initiated by double parton scattering is about 20%, while the fraction for events in which two J/ [psi] mesons were produced is 30 ± 10. While the two measurements are statistically compatible, the difference might indicate differences in the quark and gluon distribution within a nucleon. Finally, this speculation originates from the fact that photon + jet events are created by collisions with quarks in the initial states, while J/ [psi] events are produced preferentially by a gluonic initial state.
Author | : Ll Ametller |
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Release | : 1985 |
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Download Possible Signature of Multiple Parton Interactions in Collider Four-jet Events Book in PDF, Epub and Kindle
Author | : Mark Stephen Cooke |
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Total Pages | : 290 |
Release | : 2010 |
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Download Search for Diphoton Events with Large Missing Transverse Energy in 6.3 Fb-1 of Pp Collisions Using the D0 Detector at the Fermilab Tevatron Collider Book in PDF, Epub and Kindle
Author | : David Nathan Brown |
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Total Pages | : 206 |
Release | : 1989 |
Genre | : Proton-antiproton colliders |
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Download A Search for Double Parton Interactions in 1.8 TeV Proton-antiproton Collisions Book in PDF, Epub and Kindle
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Total Pages | : 80 |
Release | : 1992 |
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Download P P Collider Physics Book in PDF, Epub and Kindle
A brief introduction to {bar p}p collider physics is given. Selected results from the collider experiments at the CERN S{bar p}pS and the Tevatron collider are described. The emphasis is on experimental aspects of {bar p}p collisions. Minimum bias physics and the production of jets, Intermediate Vector Bosons and heavy flavors is reviewed. The outlook for physics at hadron colliders for the near future is briefly discussed.
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Total Pages | : 44 |
Release | : 1994 |
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Download Physics at the Fermilab Tevatron Proton-Antiproton Collider Book in PDF, Epub and Kindle
These lectures discuss a selection of QCD and Electroweak results from the CDF and D0 experiments at the Fermilab Tevatron Proton-Antiproton Collider. Results are presently based on data samples of about 20 pb−1 at a center-of-mass energy of 1.8 TeV. Results discussed include jet production, direct photon production, W mass and width measurements, the triboson coupling, and most exciting of all, evidence for top quark production.
Author | : Lyndon R. Evans |
Publisher | : EPFL Press |
Total Pages | : 264 |
Release | : 2009-01-01 |
Genre | : Hadron colliders |
ISBN | : 9782940222346 |
Download The Large Hadron Collider Book in PDF, Epub and Kindle
Describes the technology and engineering of the Large Hadron collider (LHC), one of the greatest scientific marvels of this young 21st century. This book traces the feat of its construction, written by the head scientists involved, placed into the context of the scientific goals and principles.