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Author : Gang Wang
Publisher :
ISBN 13 :
Total Pages : 310 pages
Book Rating : 4.:/5 (427 download)
Download or read book Transverse Energy and Charged Particle Multiplicity in 14.6 GeV/c Proton-nucleus Collisions written by Gang Wang and published by . This book was released on 1994 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Aditya Krishnaswamy Sambamurti
Publisher :
ISBN 13 :
Total Pages : 354 pages
Book Rating : 4.3/5 ( download)
Download or read book Event Structure of Proton-nucleus Collisions with High Transverse Energy written by Aditya Krishnaswamy Sambamurti and published by . This book was released on 1988 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Ali
Publisher : Springer Science & Business Media
ISBN 13 : 1461595401
Total Pages : 437 pages
Book Rating : 4.4/5 (615 download)
Download or read book New Aspects of High-Energy Proton-Proton Collisions written by A. Ali and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: Articles focus on the planned European proton-proton collider, and concentrate on physics issues, rather than the more technical concerns addressed in the three previous workshops. The use of energies much higher than those of the American Superconducting Super Collider is featured. Topics include reviews of current projects, hadron collisions, lep
Author :
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (929 download)
Download or read book Transverse Energy Distribution, Charged Particle Multiplicities, and Spectra in 16O-nucleus Collisions written by and published by . This book was released on 1987 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Transverse Energy Distribution, Charged Particle Multiplicities and Spectra in 16O-nucleus Collisions written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The HELIOS (High Energy Lepton and Ion Spectrometer) experiment, installed at the CERN Super Proton Synchrotron, proposes to examine in details the physical properties of a state of high energy created in nuclei by ultra-relativistic nucleus-nucleus collisions. It is generally believed that, at high densities or temperatures, a phase transition to a plasma of quark and gluons will occur. The dynamic of the expansion of such a plasma and its subsequent condensation into a hadron gas should markedly affect the composition and momentum distribution of the emerging particles and photons. The HELIOS experimental setup therefore combines 4.pi. calorimetric coverage with measurements of inclusive particle spectra, two particle correlations, low and high mass lepton pairs and photons. The emphasis is placed on transverse energy flow (E/sub T/) measurements with good energy resolution, and the ability to trigger the acquisition of data in a variety of E/sub T/ ranges, thereby selecting the impact parameter or the violence of the collisions. This short note presents HELIOS results, for the most part still preliminary, on 16O-nucleus collisions at the incident energies of 60 and 200 GeV per nucleon. The E/sub T/ distributions from Al, Ag and W targets are discussed and compared to the associated charged particle multiplicities from W. Charged particle and (converted) photon spectra measured with the external magnetic spectrometer are compared for 16O + W and p + W collisions at 200 GeV per nucleon. 5 refs., 7 figs.
Download or read book Charged Multiplicity Associated with Transverse Momentum of a Leading Proton in Pp at 28.5 GeV/c written by and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Transverse Energy and Multiplicity from Heavy Ion Collisions at 200 A GeV. written by and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The successful acceleration of light ions at the CERN SPS and at the Brookhaven AGS opened the exciting field of ultra-relativistic heavy ion collisions for systematic studies. The first experiments were designed mainly to survey the reactions and to establish the essential features of the collisions. In this paper results from the WA80 experiment on transverse energy and charged particle multiplicity are reported. These two quantities are determined by most of the experiments and can be used to characterize the events. Large multiplicities and large transverse energies are correlated with violet collisions or with small impact parameters. In addition, an estimate of the energy density reached in the collision can be derived from those two measurements. One would like to know if the energy density necessary for the transition to the quark gluon plasma has been reached. The results of the first round of experiments with oxygen ions at 60 and 200 GeV per nucleon are collected in the proceedings of the Quark Matter 88 Conference. Some of these results are summarized here together with new results on multiplicity fluctuations.
Author : Heather M.. Gray
Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.:/5 (73 download)
Download or read book The Charged Particle Multiplicity at Center of Mass Energies from 900 GeV to 7 TeV Measured with the ATLAS Experiment at the Large Hadron Collider written by Heather M.. Gray and published by . This book was released on 2011 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first measurements made by the ATLAS experiment at the LHC are presented. The charged particle multiplicity, its dependence on transverse momentum and pseudorapidity, and the relationship between mean transverse momentum and pseudorapidity are measured for events with at least one charged particle in the kinematic range [small Greek letter eta] 2.5 and pT 500 MeV. The charged particle multiplicity distributions are measured at the three centre of mass energies at which protons have been collided in the LHC: 900 GeV, 2.36 TeV and 7 TeV. The results are compared to predictions from Monte Carlo models of proton-proton collisions. All models predicted a multiplicity at least 10\% lower than was measured. They also failed to predict a sufficient increase in the multiplicity when the centre of mass energy increased from 900 GeV to 7 TeV. Updated models have already been produced using these data, which provide a significantly better description of the properties of proton-proton collisions at LHC energies.
Author : Heather M. Gray
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (73 download)
Download or read book The Charged Particle Multiplicity at Center of Mass Energies from 900 GeV to 7 TeV Measured with the ATLAS Experiment at the Large Hadron Collider written by Heather M. Gray and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first measurements made by the ATLAS experiment at the LHC are presented. The charged particle multiplicity, its dependence on transverse momentum and pseudorapidity, and the relationship between mean transverse momentum and pseudorapidity are measured for events with at least one charged particle in the kinematic range [small Greek letter eta] 2.5 and pT 500 MeV. The charged particle multiplicity distributions are measured at the three centre of mass energies at which protons have been collided in the LHC: 900 GeV, 2.36 TeV and 7 TeV. The results are compared to predictions from Monte Carlo models of proton-proton collisions. All models predicted a multiplicity at least 10\% lower than was measured. They also failed to predict a sufficient increase in the multiplicity when the centre of mass energy increased from 900 GeV to 7 TeV. Updated models have already been produced using these data, which provide a significantly better description of the properties of proton-proton collisions at LHC energies.
Author :
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (961 download)
Download or read book Some Examples of Associated Charged Particle Multiplicities in Proton-proton Collisions at 19 GeV/c written by and published by . This book was released on 1974 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (685 download)
Download or read book Transverse and Forward Energy and Multiplicity Measurements from A + A Collisions written by and published by . This book was released on 1993 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: We review the measurements of global observables such as transverse energy production, charged particle multiplicity and zero degree energy made to date by the E814 collaboration on proton, Si and Au beam induced reactions.
Author :
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (682 download)
Download or read book Distributions of Transverse Energy, Protons and Mesons from Au+Au Collisions at 11.6A GeV written by and published by . This book was released on 1993 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preliminary results of measurements of distributions of transverse energy, protons and charged mesons from Au+Au at 11.6A GeV/c are presented and compared to corresponding results from Si+A.
Author :
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (16 download)
Download or read book Proton and Produced Particle Distributions from Au+Au Collisions at 11.6 A GeV/c written by and published by . This book was released on 1994 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The highest net baryon density possible in the laboratory--up to ten times normal nuclear density--is expected in the central region of collisions of heavy nuclei (A ≈ 200) at energies near 10 GeV per nucleon. The transverse energy (E{sub T}) distribution, as well as yields of identified particles (?, K+ and protons), from 197Au + 197Au at 11.64A GeV/c are presented. Two key observations are a large degree of proton s̀̀topping, ̀̀indicating multiple scatterings of the incident nucleons, and a proportional relationship of the pion production to the number of participating nucleons. Strangeness enhancement, a proposed signature of the quark-gluon plasma, is studied via the K+/?+ ratio, which achieves the value of 21% without a strong centrality dependence. Comparisons to similar data taken with a 14.6A GeV/c beam of 28Si are made.
Author : Andre Sungho Yoon
Publisher :
ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.:/5 (827 download)
Download or read book Study of High Transverse Momentum Charged Particle Suppression in Heavy Ion Collisions at LHC written by Andre Sungho Yoon and published by . This book was released on 2012 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: The charged particle spectrum at large transverse momentum (PT), dominated by hadrons originating from parton fragmentation, is an important observable for studying the properties of the hot, dense medium produced in high-energy heavy-ion collisions. The study of the modifications of the PT spectrum in PbPb compared to pp collisions at the same collision energy can shed light on the detailed mechanism by which hard partons lose energy traversing the medium. In this thesis, the transverse momentum spectra of charged particles in pp and PbPb collisions at [square root of]Snn = 2.76 TeV measured up to PT = 100 GeV/c with the CMS experiment at the Large Hadron Collider (LHC) are presented. In the transverse momentum range PT = 5-10 GeV/c, the charged particle yield in the most central PbPb collisions is suppressed by up to a factor of 7 compared to the pp yield scaled by the number of incoherent nucleon-nucleon collisions. At higher PT, this suppression is significantly reduced, approaching roughly a factor of 2 for particles with PT in the range PT = 40-100 GeV/c. A simple modeling of the parton energy loss applied to the PYTHIA Monte-Carlo (MC) reveals that the charged particle spectrum with the pQCD-motivated fractional parton energy loss can describes the shape of the measured suppression well in the range PT = 5-100 GeV/c.
Author :
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (929 download)
Download or read book Transverse Energy Distributions in 16O-nucleus Collisions written by and published by . This book was released on 1987 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Juan Francisco Castillo Hernández
Publisher :
ISBN 13 :
Total Pages : 103 pages
Book Rating : 4.:/5 (88 download)
Download or read book Charged Particle Multiplicity Studies in Proton-proton Collisions at a Centre-of-mass Energy of 10 TeV with the ALICE Detector written by Juan Francisco Castillo Hernández and published by . This book was released on 2012 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (96 download)
Download or read book Charged Particle Multiplicities in 100 GeV/c P Interactions written by and published by . This book was released on 1975 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results are presented on the topological cross sections obtained for antiproton-proton interactions from an exposure of the Fermilab 30-inch bubble chamber to a 100 GeV/ c negative beam enriched in p 's. The p p inelastic cross section is found to be [sigma] inel = 34.6 ± 0.4 mb, and the average inelastic charged particle multiplicity to be $\langle$n$\rangle$ = 6.74 ± 0.05.
