Transverse Momentum Spectra and Cross Sections of Charged Particles in Pp Collisions Measured with ALICE PDF Download
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Author: Edgar Pérez Lezama
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Category :
Languages : en
Pages : 0
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Author: Edgar Pérez Lezama
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Category :
Languages : en
Pages : 0
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Author: Simone Schuchmann
Publisher: Springer
ISBN: 3319434586
Category : Science
Languages : en
Pages : 216
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This thesis offers an excellent, comprehensive introduction to the physics of the quark–gluon plasma. It clearly explains the connection between theory and experiment, making the topic accessible to non-specialists in this field. The experimental work, which contributes significantly to our understanding of the quark–gluon plasma, is described in great detail. The results described in the final chapters of the thesis provide interesting new ideas about the connection between proton-proton and Pb-Pb collisions. Simone Schuchmann received the 'ALICE Thesis Award 2016' for this excellent work.
Author: Michael Linus Knichel
Publisher:
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Category :
Languages : en
Pages : 229
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Author: Shreyasi Acharya
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Category :
Languages : en
Pages : 0
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![Measurements of Charged-particle Transverse Momentum Spectra in PbPb Collisions at [square Root Of]nn PDF](https://books.google.com/books/content/images/frontcover/p8CHoAEACAAJ?fife=w80-h100)
Author: Eric Appelt
Publisher:
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Category : Collisions (Nuclear physics)
Languages : en
Pages : 148
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Author:
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Category :
Languages : en
Pages : 36
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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.
![Nuclear Effects on the Transverse Momentum Spectra of Charged Particles in PPb Collisions at [arrow]](https://books.google.com/books/content/images/frontcover/z91uAQAACAAJ?fife=w80-h100)
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Category :
Languages : en
Pages :
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Transverse momentum spectra of charged particles are measured by the CMS experiment at the CERN LHC in pPb collisions at [arrow]"NN = 5.02 TeV in the range 0.4
Author: Kenneth Aamodt
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Category :
Languages : en
Pages : 0
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Category :
Languages : en
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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.
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Category :
Languages : en
Pages : 21
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We report a set of measurements of particle production in inelastic p{bar p} collisions collected with a minimum-bias trigger at the Tevatron Collider with the CDF II experiment. The inclusive charged particle transverse momentum differential cross section is measured, with improved precision, over a range about ten times wider than in previous measurements. The former modeling of the spectrum appears to be incompatible with the high particle momenta observed. The dependence of the charged particle transverse momentum on the event particle multiplicity is analyzed to study the various components of hadron interactions. This is one of the observable variables most poorly reproduced by the available Monte Carlo generators. A first measurement of the event transverse energy sum differential cross section is also reported. A comparison with a PYTHIA prediction at the hadron level is performed. The inclusive charged particle differential production cross section is fairly well reproduced only in the transverse momentum range available from previous measurements. At higher momentum the agreement is poor. The transverse energy sum is poorly reproduced over the whole spectrum. The dependence of the charged particle transverse momentum on the particle multiplicity needs the introduction of more sophisticated particle production mechanisms, such as multiple parton interactions, in order to be better explained.
