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W Z Jets At Tevatron
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Download or read book W, Z + Jets at Tevatron written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We report the production jet cross-sections and properties in W and Z events using data from collisions with [radical]s = 1800 GeV at Fermilab Tevatron. Observed distributions in general agree with predictions of leading order QCD matrix element calculations with added gluon radiations and simulated parton fragmentations; however, some limitations of LO QCD predictions are also observed. The cross-section ratio of W + [>=] 1 jet events to inclusive W events is reported and compared with next-to-the-leading order QCD expectations. Good agreement between data and theory is seen. The color coherence effects are also observed in W+ jets events.
Book Synopsis W/Z+ Jets Production at the Tevatron by :
Download or read book W/Z+ Jets Production at the Tevatron written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Both the D0 and CDF experiments at Fermilab Tevatron collider at[radical]s= 1.8 TeV have accumulated over 50pb[sup -1] of data. Each experiment collected more than 50,000 W[yields] l+v and 5000 Z[yields] l+[bar l] candidates for each lepton species (e and[mu]). Using this large data sample of W and Z candidates, the two experiments are actively testing perturbative QCD predictions. Among the studies that are in progress, preliminary results of W/Z+jets characteristics, multiplicity distributions of associated jets, and a study on the determination of the strong coupling constant using the ratio of the W+1 jet to W+ 0 jet cross sections are presented.
Book Synopsis Search for W Z Production in the Tri-lepton Channel at the Tevatron and Limits of the W W Z Vertex Anomalous Couplings by : Patrick Elmo Gartung
Download or read book Search for W Z Production in the Tri-lepton Channel at the Tevatron and Limits of the W W Z Vertex Anomalous Couplings written by Patrick Elmo Gartung and published by . This book was released on 1998 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Production of Jets at the Tevatron by :
Download or read book Production of Jets at the Tevatron written by and published by . This book was released on 1997 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements of the inclusive jet cross section and the dijet angular distribution using data from the Tevatron are presented Comparisons to NLO QCD show good agreement below 250 GeV, but CDF data show an excess at higher E{sub T}; qualitative agreement is seen between the CDF and D0 cross sections. Analysis of the dijet angular distributions exclude quark compositeness below 2.1 TeV.
Book Synopsis W/Z+Jets and W/Z+HF Production at the Tevatron by :
Download or read book W/Z+Jets and W/Z+HF Production at the Tevatron written by and published by . This book was released on 2013 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis W+ Jets Production at the Fermilab Tevatron by :
Download or read book W+ Jets Production at the Fermilab Tevatron written by and published by . This book was released on 1997 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The production properties of jets in W events have been measured using (square root)s = 1.8 TeV pp collisions at the Fermilab Tevatron Collider. Experimental results from several CDF and D0 analyses are compared to leading-order and next-to-leading-order QCD predictions.
Book Synopsis Evidence of WW+WZ Production with Lepton + Jets Final States in P Anti-p Collisions at S**1/2 by :
Download or read book Evidence of WW+WZ Production with Lepton + Jets Final States in P Anti-p Collisions at S**1/2 written by and published by . This book was released on 2008 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present the first evidence of WW+WZ production with lepton+jets final states at a hadron collider. The data correspond to 1.07 inverse femtobarns of integrated luminosity collected with the D0 detector at the Fermilab Tevatron Collider in proton-antiproton collisions at sqrt(s)=1.96 TeV. The observed cross section for WW+WZ production is 20.2 +/- 4.5 pb, consistent with the SM prediction of 16.1 +/- 0.9 pb. The probability for background fluctuations to produce an excess equal to or larger than that observed is estimated to be 5.4e-6, corresponding to a significance of 4.4 standard deviations.
Book Synopsis Review of Recent Tevatron Jet, W by :
Download or read book Review of Recent Tevatron Jet, W written by and published by . This book was released on 2009 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document reviews several recent measurements at the Fermilab Tevatron, including the cross sections of inclusive jet, dijet production, the cross sections of electroweak boson (W or Z) production in association with inclusive or heavy-flavor (b or c) jets, and b-jet shapes. In addition, searches for new physics using the dijet angular distributions are discussed. These analyses are based on integrated luminosities of 0.3--2.5/fb of p-{bar p} collisions at (square root)s = 1.96 TeV, collected with the CDF and D0 detectors. The results directly test the leading order and next-to leading order calculations of perturbative quantum chromodynamics and provide constraints on the parton distribution functions, gluon-splitting contribution, and physics beyond the standard model.
Book Synopsis Single $W$ and $Z$ Production, Asymmetry, and $V+$ Jets at the Tevatron by :
Download or read book Single $W$ and $Z$ Production, Asymmetry, and $V+$ Jets at the Tevatron written by and published by . This book was released on 2013 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Latest Jet Results from the Tevatron by :
Download or read book Latest Jet Results from the Tevatron written by and published by . This book was released on 2010 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: A brief overview of the latest status of jet physics studies at the Tevatron in proton-antiproton collisions at (square root)s = 1.96 TeV is presented. In particular, measurements of the inclusive jet production cross-section, dijet production and searches for new physics, the ratio of the 3-jet to 2-jet production cross-sections, and the three-jet mass are discussed.
Book Synopsis Most Unexpected At Lhc And The Status Of High Energy Frontier, The - Proceedings Of The International School Of Subnuclear Physics by : Antonino Zichichi
Download or read book Most Unexpected At Lhc And The Status Of High Energy Frontier, The - Proceedings Of The International School Of Subnuclear Physics written by Antonino Zichichi and published by World Scientific. This book was released on 2011-12-28 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents:Hot Theoretical Topics:Ultraviolet Behavior of N = 8 Supergravity (L J Dixon)Is the Best Superstring Model NP Complete? (M R Douglas)Erice Lecture on Microscopic Gravity (G Dvali) Supergravity: Foundations and Applications (S Ferrara)Orienfold String Vacua and Strings at the LHC (D Luest)Seminars on Specialized Topics:Status of Dark Matter and Neutrino Physics (A Bettini)Experimental Evidence for Pointlike Baryons at q2 = 4MB2 (S Pacetti) Neutrino Masses, Dark Matter, Baryon Asymmetry and Inflation can be Explained at Once (M Shaposhnikov)Results from RHIC with Implications for LHC (M J Tannenbaum)Quantum Gravity without Space-Time Singularities or Horizons (G 't Hooft)Diffraction in Deep Inelastic Electron Proton Scattering at HERA (G Wolf)The Lesson Needed for the Future (A Zichichi)Highlights from Laboratories:Highlights from Relativistic Heavy Ion Collider (P R Sorensen)The LHC and Beyond — The Energy Frontier (R D Heuer)Highlights from the Gran Sasso Underground Laboratory (E Coccia)Highlights from Fermilab (S J Parke)Special Sessions for New Talents:Radiation Damage Studies for Silicon Sensors for the XFEL (H Perrey)Notes on Chern–Simons Theory in the Temporal Gauge (A Smirnov)Dark Matter via Many Copies of the Standard Model (A Vikman) Readership: Students, researchers and academics in the field of subnuclear physics. Keywords:Black Holes;QCD;SUSY;QED;Collider;Attractors
Book Synopsis The Most Unexpected at LHC and the Status of High Energy Frontier by : Antonino Zichichi
Download or read book The Most Unexpected at LHC and the Status of High Energy Frontier written by Antonino Zichichi and published by World Scientific. This book was released on 2011 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: Hot Theoretical Topics: Ultraviolet Behavior of N=8 Supergravity (L J Dixon); Is the Best Superstring Model NP Complete? (M R Douglas); Erice Lecture on Microscopic Gravity (G Dvali); Supergravity: Foundations and Applications (S Ferrara); Orienfold String Vacua and Strings at the LHC (D Luest); Seminar on Specialized Topics: Status of Dark Matter and Neutrino Physics (A Bettini); Experimental Evidence for Pointlike Baryons at q2 = 4MB2 (S Pacetti); Neutrino Masses, Dark Matter, Baryon Asymmetry and Inflation can be Explained at Once (M Shaposhnikov); Results from RHIC with Implications for LHC (M J Tannenbaum); Quantum Gravity without Space-Time Singularities or Horizons (G ''t Hooft); Diffraction in Deep Inelastic Electron Proton Scattering at HERA (G Wolf); The Lesson Needed for the Future (A Zichichi); Highlights from Laboratories: Highlights from RHIC (P R Sorensen); The LHC and Beyond OCo The Energy Frontier (R D Heuer); Highlights from the Gran Sasso Underground Laboratory (E Coccia); Highlights from Fermilab (S J Parke); Special Sessions for New Talents: Radiation Damage Studies for Silicon Sensors for the XFEL (H Perrey); Notes on ChernOCoSimons Theory in the Temporal Gauge (A Smirnov); Dark Matter via Many Copies of the Standard Model (A Vikman).
Book Synopsis Search for $WZ/ZZ$ Production in the Lepton(s) + MET + Jets Channel with the CDF Experiment at the Tevatron Collider by :
Download or read book Search for $WZ/ZZ$ Production in the Lepton(s) + MET + Jets Channel with the CDF Experiment at the Tevatron Collider written by and published by . This book was released on 2014 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis we present a search for the WZ and ZZ production in a final state ("W+2 jets") with a leptonically-decaying W and two energetic jets. We use the full dataset (+"Ldt = 8:9 fb-1) recorded with the CDF detector at Fermilab. The challenge consists in extracting the small Z-hadronic peak from the large amount of background processes. Those processes also include the WW, whose hadronic peak cannot be distinguished from the Z peak, due to the poor calorimeter resolution. In the past such a signature was used to measure the diboson cross section, which is highly dominated by the WW cross section.
Book Synopsis Jet Substructure at the Tevatron And LHC by :
Download or read book Jet Substructure at the Tevatron And LHC written by and published by . This book was released on 2012 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Z Boson Transverse Momentum Distribution, and ZZ and WZ Production by : Mika Vesterinen
Download or read book Z Boson Transverse Momentum Distribution, and ZZ and WZ Production written by Mika Vesterinen and published by Springer Science & Business Media. This book was released on 2012-06-30 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work develops novel data analysis techniques enabling aspects of the Standard Model of particle physics to be tested with unprecedented precision using data from the DZero experiment at the high energy “Tevatron” proton-antiproton collider at Fermilab, Chicago. Vesterinen's measurements of the transverse momentum of Z bosons using the novel variable φ* have exposed deficiencies in the current state-of-the-art theoretical predictions for vector boson production at hadron colliders. These techniques are now being used in the experiments at CERN’s Large Hadron Collider (LHC) and have stimulated considerable interest in the theoretical particle physics community. Furthermore, Vesterinen's measurements of the cross sections for the production of pairs of vector bosons (WZ and ZZ) are to date the most precise ever made.
Book Synopsis Yet Another Introduction to Dark Matter by : Martin Bauer
Download or read book Yet Another Introduction to Dark Matter written by Martin Bauer and published by Springer. This book was released on 2019-06-11 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dark matter is a frequently discussed topic in contemporary particle physics. Written strictly in the language of particle physics and quantum field theory, these course-based lecture notes focus on a set of standard calculations that students need in order to understand weakly interacting dark matter candidates. After introducing some general features of these dark matter agents and their main competitors, the Higgs portal scalar and supersymmetric neutralinos are introduced as our default models. In turn, this serves as a basis for exploring four experimental aspects: the dark matter relic density extracted from the cosmic microwave background; indirect detection including the Fermi galactic center excess; direct detection; and collider searches. Alternative approaches, like an effective theory of dark matter and simplified models, naturally follow from the discussions of these four experimental directions.
Book Synopsis Z-scaling of Jet Production at the Tevatron by : T. G. Dedovič
Download or read book Z-scaling of Jet Production at the Tevatron written by T. G. Dedovič and published by . This book was released on 2004 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
