The Centrality Dependence of Thermal Parameters in Pb-Pb Collisions at 158 GeV/nucleon

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Total Pages : 82 pages
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Book Synopsis The Centrality Dependence of Thermal Parameters in Pb-Pb Collisions at 158 GeV/nucleon by : Spencer Miles Wheaton

Download or read book The Centrality Dependence of Thermal Parameters in Pb-Pb Collisions at 158 GeV/nucleon written by Spencer Miles Wheaton and published by . This book was released on 2001 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:

PSEUDORAPIDITY distributions of charged particles as a function of centrality in Pb-Pb collisions at 158 and 40 GeV per nucleon incident energy

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Total Pages : 0 pages
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Book Synopsis PSEUDORAPIDITY distributions of charged particles as a function of centrality in Pb-Pb collisions at 158 and 40 GeV per nucleon incident energy by : C. AMSLER

Download or read book PSEUDORAPIDITY distributions of charged particles as a function of centrality in Pb-Pb collisions at 158 and 40 GeV per nucleon incident energy written by C. AMSLER and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Global and Collective Phenomena in Pb+Pb Collisions at Projectile Energy of 158 GeV/nucleon

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ISBN 13 :
Total Pages : 420 pages
Book Rating : 4.:/5 (58 download)

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Book Synopsis Global and Collective Phenomena in Pb+Pb Collisions at Projectile Energy of 158 GeV/nucleon by : Isaac Huang

Download or read book Global and Collective Phenomena in Pb+Pb Collisions at Projectile Energy of 158 GeV/nucleon written by Isaac Huang and published by . This book was released on 1997 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Baryon Stopping and Hadronic Spectra in Pb-Pb Collisons at 158 GeV/nucleon

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Total Pages : 356 pages
Book Rating : 4.:/5 (34 download)

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Book Synopsis Baryon Stopping and Hadronic Spectra in Pb-Pb Collisons at 158 GeV/nucleon by : Glenn Elliot Cooper

Download or read book Baryon Stopping and Hadronic Spectra in Pb-Pb Collisons at 158 GeV/nucleon written by Glenn Elliot Cooper and published by . This book was released on 2000 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Baryon Stopping and Hadronic Spectra in Pb-Pb Collisions at 158 GeV

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Total Pages : 5 pages
Book Rating : 4.:/5 (684 download)

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Book Synopsis Baryon Stopping and Hadronic Spectra in Pb-Pb Collisions at 158 GeV by :

Download or read book Baryon Stopping and Hadronic Spectra in Pb-Pb Collisions at 158 GeV written by and published by . This book was released on 2000 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Baryon stopping and particle production in Pb+Pb collisions at 158 GeV/nucleon are studied as a function of the collision centrality using new proton, antiproton, charged kaon and charged pion production data measured with the NA49 experiment at the CERN Super Proton Synchrotron (SPS). Stopping, which is measured by the shift in rapidity of net protons or baryons from the initial beam rapidity, increases in more central collisions. This is expected from a geometrical picture of the collisions. The stopping data are quantitatively compared to models incorporating various mechanisms for stopping. In general, microscopic transport calculations which incorporate current theoretical models of baryon stopping or use phenomenological extrapolations from simpler systems overestimate the dependence of stopping on centrality. Approximately, the yield of produced pions scales with the number of nucleons participating in the collision. A small increase in yield beyond this scaling, accompanied by a small suppression in the yield of the fastest pions, reflects the variation in stopping with centrality. Consistent with the observations from central collisions of light and heavy nuclei at the SPS, the transverse momentum distributions of all particles are observed to become harder with increasing centrality. This effect is most pronounced for the heaviest particles. This hardening is discussed in terms of multiple scattering of the incident nucleons of one colliding nucleus as they traverse the other nucleus and in terms of rescattering within the system of produced particles.

Flavor Fluctuations in Central Pb-pb Collisions at 158 GeV Nucleon

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Total Pages : 111 pages
Book Rating : 4.:/5 (614 download)

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Book Synopsis Flavor Fluctuations in Central Pb-pb Collisions at 158 GeV Nucleon by : Christof Roland

Download or read book Flavor Fluctuations in Central Pb-pb Collisions at 158 GeV Nucleon written by Christof Roland and published by . This book was released on 1999 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Flavor Fluctuations in Central Pb+Pb Collisions at 158 GeV/nucleon

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Total Pages : pages
Book Rating : 4.:/5 (179 download)

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Book Synopsis Flavor Fluctuations in Central Pb+Pb Collisions at 158 GeV/nucleon by : Christof Roland

Download or read book Flavor Fluctuations in Central Pb+Pb Collisions at 158 GeV/nucleon written by Christof Roland and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Spectra of [Lambda], [L̄ambda] and K[superior O][inferior S] from Pb-Pb Collisions at 158 GeV Per Nucleon

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Total Pages : pages
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Book Synopsis Spectra of [Lambda], [L̄ambda] and K[superior O][inferior S] from Pb-Pb Collisions at 158 GeV Per Nucleon by : Timothy Anderton Yates

Download or read book Spectra of [Lambda], [L̄ambda] and K[superior O][inferior S] from Pb-Pb Collisions at 158 GeV Per Nucleon written by Timothy Anderton Yates and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Detailed Analysis of Two Particle Correlations in Central Pb-Au Collisions at 158 GeV Per Nucleon

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ISBN 13 :
Total Pages : 171 pages
Book Rating : 4.:/5 (222 download)

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Book Synopsis Detailed Analysis of Two Particle Correlations in Central Pb-Au Collisions at 158 GeV Per Nucleon by : Dariusz Antończyk

Download or read book Detailed Analysis of Two Particle Correlations in Central Pb-Au Collisions at 158 GeV Per Nucleon written by Dariusz Antończyk and published by . This book was released on 2006 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Two-Kaon and Two-Proton Interferometry in 158 GeV/Nucleon Pb+Pb Collisions

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ISBN 13 :
Total Pages : 132 pages
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Book Synopsis Two-Kaon and Two-Proton Interferometry in 158 GeV/Nucleon Pb+Pb Collisions by : Dennis M. Reichhold

Download or read book Two-Kaon and Two-Proton Interferometry in 158 GeV/Nucleon Pb+Pb Collisions written by Dennis M. Reichhold and published by . This book was released on 2001 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Xi and Xi-bar Production in 158 GeV/nucleon Pb + Pb Collisions

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Total Pages : 0 pages
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Book Synopsis Xi and Xi-bar Production in 158 GeV/nucleon Pb + Pb Collisions by : Harald Appelshäuser

Download or read book Xi and Xi-bar Production in 158 GeV/nucleon Pb + Pb Collisions written by Harald Appelshäuser and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Measurements of Lambda, Lambda-bar and K-short from Pb-Pb Collisions at 158 GeV Per Nucleon in a Large Acceptance Experiment

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Book Synopsis Measurements of Lambda, Lambda-bar and K-short from Pb-Pb Collisions at 158 GeV Per Nucleon in a Large Acceptance Experiment by : Lee S. Barnby

Download or read book Measurements of Lambda, Lambda-bar and K-short from Pb-Pb Collisions at 158 GeV Per Nucleon in a Large Acceptance Experiment written by Lee S. Barnby and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The main reason for studying relativistic heavy-ion collisions is to discover the phase transition from nuclear matter to the Quark-Gluon Plasma. Such a transition is predicted to occur under conditions of high temperature and density. The predicted state features deconfined quarks and gluons as the relevant degrees of freedom instead of colour-singlet hadrons. These new degrees of freedom should lead to an enhanced production of strange quarks which has directly observable consequences on the composition of the final state hadrons detected in such a collision. The NA49 experiment is able to measure hadronic production in central Pb+Pb collisions. It uses a Pb beam, of energy 158 GeV per nucleon, from the CERN SPS with a fixed Pb target. The experiment features four large tracking detectors which can measure the trajectories of charged particles. In this thesis the method of reconstructing neutral strange particles, Lambda, Lambda-bar and K-short from their charged decay products is described. The procedure for correcting the raw yields for losses due to the limited experimental acceptance and efficiency in reconstruction is explained. An estimate of some systematic errors is made. The resulting rapidity distributions, which span either side of mid-rapidity are peaked (with the possible exception of Lambda) and the transverse momentum spectra fit the Hagedorn distribution. The inverse slope parameters, T_Lambda = 274? 5 MeV, T_Lambda-bar = 279? 10 MeV and T_K = 238? 5 MeV are consistent with the picture of transverse flow observed in these collisions. These results are compared with other measurements.

A Study of the Charged Multiplicity in Pb-Pb Collisions at 158 GeV/c Per Nucleon

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Total Pages : 0 pages
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Book Synopsis A Study of the Charged Multiplicity in Pb-Pb Collisions at 158 GeV/c Per Nucleon by : Pedro Fernando Paulo Rato Mendes

Download or read book A Study of the Charged Multiplicity in Pb-Pb Collisions at 158 GeV/c Per Nucleon written by Pedro Fernando Paulo Rato Mendes and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Measurements of [Lambda], [bar Lambda] and [Kappa][superior 0][inferior S] from Pb-Pb Collisions at 158 GeV Per Nucleon in a Large Acceptance Experiment

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Total Pages : pages
Book Rating : 4.:/5 (911 download)

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Book Synopsis Measurements of [Lambda], [bar Lambda] and [Kappa][superior 0][inferior S] from Pb-Pb Collisions at 158 GeV Per Nucleon in a Large Acceptance Experiment by : Lee Stuart Barnby

Download or read book Measurements of [Lambda], [bar Lambda] and [Kappa][superior 0][inferior S] from Pb-Pb Collisions at 158 GeV Per Nucleon in a Large Acceptance Experiment written by Lee Stuart Barnby and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Die sieben hohen und kräftigen Namen Gottes - Ms.267

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ISBN 13 :
Total Pages : 2 pages
Book Rating : 4.:/5 (699 download)

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Book Synopsis Die sieben hohen und kräftigen Namen Gottes - Ms.267 by :

Download or read book Die sieben hohen und kräftigen Namen Gottes - Ms.267 written by and published by . This book was released on 1752 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Transverse Flow from MT Spectra in Pb+Pb Collisions at 158 GeV/c Per Nucleon

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ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (8 download)

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Book Synopsis Transverse Flow from MT Spectra in Pb+Pb Collisions at 158 GeV/c Per Nucleon by : Juan Miguel Rubio

Download or read book Transverse Flow from MT Spectra in Pb+Pb Collisions at 158 GeV/c Per Nucleon written by Juan Miguel Rubio and published by . This book was released on 1998 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dans l'expérience WA98 du CERN, nous avons construit et utilisé un traceur de particules pour mesurer les caractéristiques spatio-temporelles du produit des collisions de ions lourds.

Centrality Dependence of Particle Production in [math][mi]p[/mi][mo]-[/mo][mi]Pb[/mi][/math] Collisions at [math][mrow][msqrt][msub][mi][/mi][mi Mathvariant

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ISBN 13 :
Total Pages : pages
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Book Synopsis Centrality Dependence of Particle Production in [math][mi]p[/mi][mo]-[/mo][mi]Pb[/mi][/math] Collisions at [math][mrow][msqrt][msub][mi][/mi][mi Mathvariant by :

Download or read book Centrality Dependence of Particle Production in [math][mi]p[/mi][mo]-[/mo][mi]Pb[/mi][/math] Collisions at [math][mrow][msqrt][msub][mi][/mi][mi Mathvariant written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Here, we report measurements of the primary charged-particle pseudorapidity density and transverse momentum distributions in p-Pb collisions at √sNN = 5.02TeV and investigate their correlation with experimental observables sensitive to the centrality of the collision. Centrality classes are defined by using different event-activity estimators, i.e., charged-particle multiplicities measured in three different pseudorapidity regions as well as the energy measured at beam rapidity (zero degree). The procedures to determine the centrality, quantified by the number of participants (Npart) or the number of nucleon-nucleon binary collisions (Ncoll) are described. We show that, in contrast to Pb-Pb collisions, in p-Pb collisions large multiplicity fluctuations together with the small range of participants available generate a dynamical bias in centrality classes based on particle multiplicity. We propose to use the zero-degree energy, which we expect not to introduce a dynamical bias, as an alternative event-centrality estimator. Based on zero-degree energy-centrality classes, the Npart dependence of particle production is studied. Under the assumption that the multiplicity measured in the Pb-going rapidity region scales with the number of Pb participants, an approximate independence of the multiplicity per participating nucleon measured at mid-rapidity of the number of participating nucleons is observed. Furthermore, at high-pT the p-Pb spectra are found to be consistent with the pp spectra scaled by Ncoll for all centrality classes. Our results represent valuable input for the study of the event-activity dependence of hard probes in p-Pb collisions and, hence, help to establish baselines for the interpretation of the Pb-Pb data.