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Charged Particle Distributions At Low Transverse Momentum In Sqrts
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Book Synopsis Transverse-momentum and Pseudorapidity Distributions of Charged Hadrons in Pp Collisions at Sqrt(s) by :
Download or read book Transverse-momentum and Pseudorapidity Distributions of Charged Hadrons in Pp Collisions at Sqrt(s) written by and published by . This book was released on 2010 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Charged-hadron transverse-momentum and pseudorapidity distributions in proton-proton collisions at √s = 7 TeV are measured with the inner tracking system of the CMS detector at the LHC. The charged-hadron yield is obtained by counting the number of reconstructed hits, hit-pairs, and fully reconstructed charged-particle tracks. The combination of the three methods gives a charged-particle multiplicity per unit of pseudorapidity dN{sub ch}/d[eta].
Book Synopsis Jet and Underlying Event Properties as a Function of Charged-particle Multiplicity in Proton-proton Collisions at Sqrt(s) by :
Download or read book Jet and Underlying Event Properties as a Function of Charged-particle Multiplicity in Proton-proton Collisions at Sqrt(s) written by and published by . This book was released on 2013 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: Characteristics of multi-particle production in proton-proton collisions at sqrt(s) = 7 TeV are studied as a function of the charged-particle multiplicity, N[ch]. The produced particles are separated into two classes: those belonging to jets and those belonging to the underlying event. Charged particles are measured with pseudorapidity abs(eta) 2.4 and transverse momentum pt 0.25 GeV. Jets are reconstructed from charged-particles only and required to have pt> 5 GeV. The distributions of jet pt, average pt of charged particles belonging to the underlying event or to jets, jet rates, and jet shapes are presented as functions of N[ch] and compared to the predictions of the PYTHIA and HERWIG event generators. Predictions without multi-parton interactions fail completely to describe the N[ch]-dependence observed in the data. For increasing N[ch], PYTHIA systematically predicts higher jet rates and harder pt spectra than seen in the data, whereas HERWIG shows the opposite trends. At the highest multiplicity, the data-model agreement is worse for most observables, indicating the need for further tuning and/or new model ingredients.
Book Synopsis Transverse Momentum Structures of Charged Particle Final States from Proton-proton Collisions with a Charged Trigger Particle of Large Transverse Momentum by :
Download or read book Transverse Momentum Structures of Charged Particle Final States from Proton-proton Collisions with a Charged Trigger Particle of Large Transverse Momentum written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A sample of proton-proton collisions at .sqrt. s = 63 GeV with a (trigger) charged particle of transverse momentum in the range 4 to 12 GeV/c and vertical bar rapidity vertical bar 1 is studied. The events were obtained with the Axial Field Spectrometer at the CERN ISR (experiment R807). Preliminary results are reported from an investigation of the distribution of the transverse momentum vectors of the observed charged particles in the central rapidity region associated with the trigger particle. It is found that the pattern of transverse momentum vectors of the observed charged particles in the central rapidity region associated with the trigger particle. It is found that the pattern of transverse momentum vectors of the charged particles observed in a given event is strongly dependent on the amount of transverse energy which is carried by the associated charged particles observed in the event. When the transverse energy is large ( 10 GeV/c within vertical bar rapidity vertical bar
Book Synopsis Inclusive Transverse Momentum Distributions of Charged Particles in Diffractive and Non-diffractive Photoproduction at HERA by : ZEUS Collaboration
Download or read book Inclusive Transverse Momentum Distributions of Charged Particles in Diffractive and Non-diffractive Photoproduction at HERA written by ZEUS Collaboration and published by . This book was released on 1998 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Measurement of the Underlying Event Distributions in Proton-Proton Collisions at Sqrt(s) by : Joseph Salvatore Virzi
Download or read book A Measurement of the Underlying Event Distributions in Proton-Proton Collisions at Sqrt(s) written by Joseph Salvatore Virzi and published by . This book was released on 2012 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Underlying Event distributions are studied in events containing at least one charged particle jet produced in proton-proton collisions at sqrt(s) = 7 TeV. Jets are reconstructed from charged particles using the anti-Kt algorithm with radius parameter R = 0.6. The jet with the largest transverse momentum (pT) and.
Book Synopsis Charged Particle Transverse Momentum Spectra in Pp Collisions at Sqrt(s) by :
Download or read book Charged Particle Transverse Momentum Spectra in Pp Collisions at Sqrt(s) written by and published by . This book was released on 2011 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The charged particle transverse momentum (pT) spectra are presented for pp collisions at sqrt(s)=0.9 and 7 TeV. The data samples were collected with the CMS detector at the LHC and correspond to integrated luminosities of 231 inverse microbarns and 2.96 inverse picobarns, respectively. Calorimeter-based high-transverse-energy triggers are employed to enhance the statistical reach of the high-pT measurements. The results are compared with both leading-order QCD and with an empirical scaling of measurements at different collision energies using the scaling variable xT = 2 pT/sqrt(s) over the pT range up to 200 GeV/c. Using a combination of xT scaling and direct interpolation at fixed pT, a reference transverse momentum spectrum at sqrt(s)=2.76 TeV is constructed, which can be used for studying high-pT particle suppression in the dense QCD medium produced in heavy-ion collisions at that centre-of-mass energy.
Book Synopsis Charged-particle Distributions in Pp Interactions at {u221A}s by :
Download or read book Charged-particle Distributions in Pp Interactions at {u221A}s written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This study presents measurements of distributions of charged particles which are produced in proton–proton collisions at a centre-of-mass energy of √s=8TeV and recorded by the ATLAS detector at the LHC. A special dataset recorded in 2012 with a small number of interactions per beam crossing (below 0.004) and corresponding to an integrated luminosity of 160 ?b-1 was used. A minimum-bias trigger was utilised to select a data sample of more than 9 million collision events. The multiplicity, pseudorapidity, and transverse momentum distributions of charged particles are shown in different regions of kinematics and charged-particle multiplicity, including measurements of final states at high multiplicity. Finally, the results are corrected for detector effects and are compared to the predictions of various Monte Carlo event generator models which simulate the full hadronic final state.
Book Synopsis Particle Ratios at High Transverse Momentum in Pp Collisions At. Sqrt. S by :
Download or read book Particle Ratios at High Transverse Momentum in Pp Collisions At. Sqrt. S written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The production of identified charged particles in pp collisions at .sqrt.s = 63 GeV with an identified high p/sub T/ trigger particle emitted in the central region is studied. The measurements were performed at the CERN ISR using the Axial Field Spectrometer. Trigger particle ratios, sigma(.pi./sup + -/)/ sigma(all/sup + -/), sigma(K/sup + -/) and sigma(p/sup + -/)/sigma(all/sup + -/) are presented for p/sub T/ from 5 GeV/c to 8 GeV/c. In addition sigma(.pi./sup + -/)/sigma(all/sup + -/) is presented in the p/sub T/ region from 2.5 GeV/c to 4.5 GeV/c. The charge compensation in the hemisphere containing the trigger particle is shown to depend strongly on the identity of the trigger particle and on the identity of the associated particles. 13 references.
Book Synopsis Production of Leading Charged Particles and Leading Charged-particle Jets at Small Transverse Momenta in Pp Collisions at $\sqrt{s}$ by :
Download or read book Production of Leading Charged Particles and Leading Charged-particle Jets at Small Transverse Momenta in Pp Collisions at $\sqrt{s}$ written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The per-event yield of the highest transverse momentum charged particle and charged-particle jet, integrated above a given pminT threshold starting at pminT=0.8 and 1 GeV, respectively, is studied in pp collisions at s√=8 TeV. Furthermore, the particles and the jets are measured in the pseudorapidity ranges.
Book Synopsis Measurement of Neutral Strange Particle Production in the Underlying Event in Proton-proton Collisions at Sqrt(s) by :
Download or read book Measurement of Neutral Strange Particle Production in the Underlying Event in Proton-proton Collisions at Sqrt(s) written by and published by . This book was released on 2013 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements are presented of the production of primary K(S)0 and Lambda particles in proton-proton collisions at sqrt(s) = 7 TeV in the region transverse to the leading charged-particle jet in each event. The average multiplicity and average scalar transverse momentum sum of K(S)0 and Lambda particles measured at pseudorapidities abs(eta)
Book Synopsis Measurement of the Transverse Momentum Distribution of Z Bosons in Proton-proton Collisions at Sqrt(s) by : Klemens Müller
Download or read book Measurement of the Transverse Momentum Distribution of Z Bosons in Proton-proton Collisions at Sqrt(s) written by Klemens Müller and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transverse Momentum Spectra of Charged Particles in Proton-proton Collisions at √s by : Kenneth Aamodt
Download or read book Transverse Momentum Spectra of Charged Particles in Proton-proton Collisions at √s written by Kenneth Aamodt and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Collisions of Fast Charged Particles in Solids by : Nikolaĭ Pavlovich Kalashnikov
Download or read book Collisions of Fast Charged Particles in Solids written by Nikolaĭ Pavlovich Kalashnikov and published by Routledge. This book was released on 1985 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Charged Particle Production at the CERN ISR as a Function of Transverse Momentum by : Antonio Bertin
Download or read book Charged Particle Production at the CERN ISR as a Function of Transverse Momentum written by Antonio Bertin and published by . This book was released on 1972 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Y(nS) Polarizations Versus Particle Multiplicity in Pp Collisions at $\sqrt{s}$ by :
Download or read book Y(nS) Polarizations Versus Particle Multiplicity in Pp Collisions at $\sqrt{s}$ written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The polarizations of the Y(1S), Y(2S), and Y(3S) mesons are measured as a function of the charged particle multiplicity in proton-proton collisions at sqrt(s) = 7 TeV. The measurements are performed with a dimuon data sample collected in 2011 by the CMS experiment, corresponding to an integrated luminosity of 4.9 inverse femtobarns. The results are extracted from the dimuon decay angular distributions, in two ranges of Y(nS) transverse momentum (10-15 and 15-35 GeV), and in the rapidity interval abs(y)
Book Synopsis Studying Transverse Momentum Dependent Distributions in Polarized Proton Collisions Via Azimuthal Single Spin Asymmetries of Charged Pions in Jets by : James Kevin Adkins
Download or read book Studying Transverse Momentum Dependent Distributions in Polarized Proton Collisions Via Azimuthal Single Spin Asymmetries of Charged Pions in Jets written by James Kevin Adkins and published by . This book was released on 2017 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Charged-particle Multiplicity Distributions in P-Pb Collisions at Sqrt(s_NN) by : Laís Ozelin de la Lima Pimentel
Download or read book Charged-particle Multiplicity Distributions in P-Pb Collisions at Sqrt(s_NN) written by Laís Ozelin de la Lima Pimentel and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
