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A Study Of Energy Energy Correlations In Charged Tracks From Hadronic Decays Of The Z0 At 912 Gev
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Book Synopsis A Study of Energy-energy Correlations in Charged Tracks from Hadronic Decays of the Z0 at 91.2 Gev by : Owen Boyle
Download or read book A Study of Energy-energy Correlations in Charged Tracks from Hadronic Decays of the Z0 at 91.2 Gev written by Owen Boyle and published by . This book was released on 2013 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Energy-energy Correlations and Measurement Of?{sub S} at the Z° Resonance by :
Download or read book A Study of Energy-energy Correlations and Measurement Of?{sub S} at the Z° Resonance written by and published by . This book was released on 1992 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present the energy-energy correlation (EEC) distribution and its asymmetry (AEEC) in hadronic decays of?° bosons measured by the SLD at SLAC. The data are found to be in good agreement with the predictions of perturbative QCD and fragmentation Monte Carlo models of hadron production. After correction for hadronization effects the data are compared with?(?{sub s}2) perturbative QCD calculations from various authors. Fits to the central region of the EEC yield substantially different values of the QCD scale?{sub {ovr MS}} for each of the QCD calculations. There is also a sizeable dependence of the fitted?{sub {ovr MS}} value on the QCD renormalization scale factor, f. Our preliminary results are?{sub s}(M {sub Z}) = 0.121 ± 0.002(stat.) ± 0.004(exp.sys.) {sub -0.009}{sup +0.016} (theor.) for EEC and?{sub s}(M{sub Z}) = 0.108 ± 0.003(stat.) ± 0.005(exp.sys.){sub -0.003}{sup +0.008}(theor.) for AEEC. The largest contribution to the error arises from the theoretical uncertainty in choosing the QCD renormalization scale.
Book Synopsis A Study of Energy-energy Correlations and Measurement of [alpha][sub S] at the Z[sup 0] Resonance by :
Download or read book A Study of Energy-energy Correlations and Measurement of [alpha][sub S] at the Z[sup 0] Resonance written by and published by . This book was released on 1992 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present the energy-energy correlation (EEC) distribution and its asymmetry (AEEC) in hadronic decays of [Zeta][sup 0] bosons measured by the SLD at SLAC. The data are found to be in good agreement with the predictions of perturbative QCD and fragmentation Monte Carlo models of hadron production. After correction for hadronization effects the data are compared with [Omicron]([alpha][sub s][sup 2]) perturbative QCD calculations from various authors. Fits to the central region of the EEC yield substantially different values of the QCD scale [lambda][sub [ovr MS]] for each of the QCD calculations. There is also a sizeable dependence of the fitted [lambda][sub [ovr MS]] value on the QCD renormalization scale factor, f. Our preliminary results are [alpha][sub s](M [sub Z]) = 0.121 [plus minus] 0.002(stat.) [plus minus] 0.004(exp.sys.) [sub [minus]0.009][sup +0.016] (theor.) for EEC and [alpha][sub s](M[sub Z]) = 0.108 [plus minus] 0.003(stat.) [plus minus] 0.005(exp.sys.)[sub [minus]0.003][sup +0.008](theor.) for AEEC. The largest contribution to the error arises from the theoretical uncertainty in choosing the QCD renormalization scale.
Book Synopsis Energy-energy Correlations in Hadronic Final States from Z#A0 Decays by : DELPHI.
Download or read book Energy-energy Correlations in Hadronic Final States from Z#A0 Decays written by DELPHI. and published by . This book was released on 1990 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book High Energy Physics Index written by and published by . This book was released on 1990 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Energy-energy Correlations Between 12 and 46.8 GeV C.m. Energies by : TASSO Collaboration
Download or read book A Study of Energy-energy Correlations Between 12 and 46.8 GeV C.m. Energies written by TASSO Collaboration and published by . This book was released on 1987 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A study of energy energy correlations between 12 and 46.8 GeV cm energies by :
Download or read book A study of energy energy correlations between 12 and 46.8 GeV cm energies written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards by :
Download or read book Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards written by and published by . This book was released on 1999 with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Charged Particle Correlations in 200-GeV/c and 300-GeV/c $p P$ Interactions by :
Download or read book Charged Particle Correlations in 200-GeV/c and 300-GeV/c $p P$ Interactions written by and published by . This book was released on 1974 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1973 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Forward Energy Flow, Central Charged-particle Multiplicities, and Pseudorapidity Gaps in W and Z Boson Events from Pp Collisions at $\sqrt{s} by :
Download or read book Forward Energy Flow, Central Charged-particle Multiplicities, and Pseudorapidity Gaps in W and Z Boson Events from Pp Collisions at $\sqrt{s} written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A study of forward energy flow and central charged-particle multiplicity in events with W and Z bosons decaying into leptons is presented. The analysis uses a sample of 7 TeV pp collisions, corresponding to an integrated luminosity of 36 inverse picobarns, recorded by the CMS experiment at the LHC. The observed forward energy depositions, their correlations, and the central charged-particle multiplicities are not well described by the available non-diffractive soft-hadron production models. A study of about 300 events with no significant energy deposited in one of the forward calorimeters, corresponding to a pseudorapidity gap of at least 1.9 units, is also presented. An indication for a diffractive component in these events comes from the observation that the majority of the charged leptons from the (W/Z) decays are found in the hemisphere opposite to the gap. When fitting the signed lepton pseudorapidity distribution of these events with predicted distributions from an admixture of diffractive (POMPYT) and non-diffractive (PYTHIA) Monte Carlo simulations, the diffractive component is determined to be (50.0 +/- 9.3 (stat.) +/- 5.2 (syst.))%.
Book Synopsis The Interactions of Charged Cosmic Ray Hadrons of Energy Greater Than 70 GeV in a Carbon Target by : Richard Jeffrey Wilkes
Download or read book The Interactions of Charged Cosmic Ray Hadrons of Energy Greater Than 70 GeV in a Carbon Target written by Richard Jeffrey Wilkes and published by . This book was released on 1974 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A study of energy-energy correlations in e- annihilations AT (a+b)s by : Deutsches Elektronen-Synchrotron Hamburg
Download or read book A study of energy-energy correlations in e- annihilations AT (a+b)s written by Deutsches Elektronen-Synchrotron Hamburg and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Production of Charged [pi]{sup {+-}}, [Kappa]{sup {+-}} and P/p in Hadronic Z° Decays by :
Download or read book Production of Charged [pi]{sup {+-}}, [Kappa]{sup {+-}} and P/p in Hadronic Z° Decays written by and published by . This book was released on 1999 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: We have updated our results on identified charged hadron production using the full SLD data sample of 550,000 hadronic Z° decays taken between 1993 and 1998. The SLD Cherenkov Ring Imaging Detector allows the identification of clean samples of charged pions, kaons and protons over a wide momentum range, providing precise tests of perturbative QCD calculations and of fragmentation models. We have studied flavor-inclusive Z° decays, as well as decays into light, c and b flavors, selected using the SLD vertex detector. In addition we have updated our comparison of hadron and antihadron production in light quark (rather than antiquark) jets, selected using the high SLC electron beam polarization. Differences between hadron and antihadron production at high momentum fraction provide precise measurements of leading particle production and new, stringent tests of fragmentation models.
Book Synopsis A study of energy-energy correlations in e+e- [ee] annihilations at √s by :
Download or read book A study of energy-energy correlations in e+e- [ee] annihilations at √s written by and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Correlations with Non-Photonic Electrons in 200 GeV Au+Au Collisions in STAR by : Lloyd Edward Dunkelberger
Download or read book Correlations with Non-Photonic Electrons in 200 GeV Au+Au Collisions in STAR written by Lloyd Edward Dunkelberger and published by . This book was released on 2016 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: At sufficiently high temperatures and densities quarks and gluons exist in a deconfined state called Quark Gluon Plasma (QGP). QGP existed in the Universe shortly after the Big Bang, and today is created in accelerator based experiments which collide heavy nuclei at high energies. Results from these experiments point to a hot, dense and strongly interacting state of deconfined quarks and gluons. The study of heavy flavor probes (those originating from $c$ and $b$ quarks) is an active area of research in heavy ion collisions. Heavy quarks are produced in the initial hard scatterings of collisions and thus are sensitive to the entire evolution of the medium. They also potentially have different sensitivity to medium induced energy loss compared to light flavors. This dissertation investigates the interactions of heavy flavor quarks with the medium by studying correlations between electrons from heavy flavor decays and hadrons. At high transverse momentum, the direction of the electron is highly correlated with the direction of the parent heavy flavor meson. We look for evidence of energy loss in the QGP as well as jet induced effects on the medium. We present electron-hadron correlations from Au+Au collisions in a wide range of centrality bins as well as correlations from p+p. The datasets used are the best currently available due to high statistics and low material in the detector. We also investigate the dependence on the orientation of the trigger particle to the event plane to look for path length dependent effects on the correlation as well as non-flow contributions to electron electron $v_2$.
Book Synopsis A Study of Energy-energy Correlations in E+e- Annihilations at [square Root]s by : PLUTO Collaboration
Download or read book A Study of Energy-energy Correlations in E+e- Annihilations at [square Root]s written by PLUTO Collaboration and published by . This book was released on 1985 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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