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CERN Document Server 2,023 records found  1 - 10próximoend  jump to record: Search took 0.52 seconds. 
1.
(100)
Particle production in central Pb + Pb collisions at 158 AGeV/c / NA44 Collaboration
The NA44 experiment has measured single-particle inclusive spectra for charged pions, kaons, and protons as a function of transverse mass near midrapidity in 158A GeV/c Pb+Pb collisions. From the particle mass dependence of the observed m/sub T/ distributions, we are able to deduce a value of about 120 MeV for the temperature at thermal freeze-out. [...]
nucl-ex/0202019.- 2002 - 10 p. - Published in : Phys. Rev. C 66 (2002) 44907-1-9 APS Published version, local copy: PDF; Fulltext: PDF;
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2.
(44)
Hadron distributions : recent results from the CERN experiment NA44 / Bearden, I G ; Bøggild, H ; Boissevain, J G ; Dodd, J ; Erazmus, B ; Esumi, S C ; Fabjan, Christian Wolfgang ; Ferenc, D ; Fields, D E ; Franz, A et al.
Proton distributions at midrapidity have been measured for 158A $\cdot$ GeV Pb + Pb collisions in the focusing spectrometer experiment NA44 at CERN. A high degree of nuclear stopping is found in the truly heavy ion collisions. [...]
LA-UR-96-2580.- 1996
In : 12th International Conference on Ultra-relativistic Nucleus-nucleus Collisions, Heidelberg, Germany, 20 - 24 May 1996, pp.175c-187c
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3.
(39)
Dynamics and Sizes of the Fireball at Freeze-out / Tomasik, Boris (Regensburg U.) ; Wiedemann, Urs Achim (Columbia U.) ; Heinz, Ulrich W. (CERN)
Analyzing the m_t-spectrum and two-particle correlations of negative hadrons from 158 AGeV/c Pb+Pb collisions at slightly forward rapidities we find a (thermal) freeze-out temperature of about 100 MeV and transverse flow with approximately 0.55c. The M_t-dependence of the correlation radii prefers a box-like transverse density profile over a Gaussian. [...]
nucl-th/9907075; CERN-TH-99-216; TPR-99-11; CERN-TH-99-216; TPR-99-11.- Geneva : CERN, 2000 - 4 p.

Access to fulltext document: PDF; Fulltext: PDF; External link: Preprint
In : 15th Particles and Nuclei International Conference, Uppsala, Sweden, 10 - 16 Jun 1999, pp.753-756 - Please contact the library if you need to access this document.
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4.
(35)
The universal freeze-out criterion at SPS and RHIC / Tomasik, Boris (CERN) ; Wiedemann, Urs Achim (CERN)
We formulate a freeze-out criterion for ultra-relativistic heavy ion collisions in terms of the pion escape probability from the collision region. We find that the increase in pion phase-space density from SPS to RHIC reported at this conference has a small influence on particle freeze-out because of the small pi-pi cross-section. [...]
nucl-th/0208065; CERN-TH-2002-215; CERN-TH-2002-215.- Geneva : CERN, 2003 - 4 p. - Published in : Nucl. Phys. A 715 (2003) 645c-648c Access to fulltext document: PDF; Fulltext: PDF; External link: Preprint
In : 16th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions, Nantes, France, 18 - 24 Jul 2002, pp.645c-648c
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5.
(33)
NA49 Results on Single Particle and Correlation Measurements in Central Pb+Pb Collisions / NA49 Collaboration
Single-particle spectra and two-particle correlation functions measured by the NA49 collaboration in central Pb+Pb collisions at 158 GeV/nucleon are presented. These measurements are used to study the kinetic and chemical freeze-out conditions in heavy ion collisions. [...]
nucl-ex/9812001; hep-ph/9812218; hep-ph/9812001; LBNL-42591.- Geneva : CERN, 2000 - 12 p. Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ph/9812218 PDF
In : 28th International Symposium on Multiparticle Dynamics, Delphi, Greece, 6 - 11 Sep 1998, pp.68-79
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6.
(32)
Hadronic Expansion Dynamics in Central Pb+Pb Collisions at 158 GeV per Nucleon / NA49 Collaboration
Two-particle correlation functions of negative hadrons over wide phase space, and transverse mass spectra of negative hadrons and deuterons near mid-rapidity have been measured in central Pb+Pb collisions at 158 GeV per nucleon by the NA49 experiment at the CERN SPS. A novel Coulomb correction procedure for the negative two-particle correlations is employed making use of the measured oppositely charged particle correlation. [...]
hep-ex/9711024; IKF-HENPG-6-97.- Geneva : CERN, 1998 - 20 p. - Published in : Eur. Phys. J. C 2 (1998) 661-670 Access to fulltext document: 9711024.fig.7 - PS.GZ; 9711024.fig.2 - PS.GZ; 9711024 - PDF; Fulltext: PDF; External link: hep-ex/9711024 PDF
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7.
(28)
Bose-Einstein Correlations of Charged Kaons in Central Pb+Pb Collisions at $E_{beam} = 158 AGeV$ / NA49 Collaboration
Bose-Einstein correlations of charged kaons were measured near mid-rapidity in central Pb+Pb collisions at 158 A$\cdot$GeV by the NA49 experiment at the CERN SPS. Source radii were extracted using the Yano-Koonin-Podgoretsky and Bertsch-Pratt parameterizations [...]
nucl-ex/0210018; nucl-ex/0210018.- Darmstadt : GSI, 2003-04-03 - 10 p. - Published in : Phys. Lett. B 557 (2003) 157-166 Access to fulltext document: PDF; Fulltext: PDF; External link: nucl-ex/0210018 PDF
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8.
(27)
Reconstructing the Freeze-out State in Pb + Pb Collisions at 158 AGeV/c / Tomasik, Boris (Regensburg U.) ; Wiedemann, Urs Achim (Columbia U.) ; Heinz, Ulrich W. (CERN)
For a class of analytical parametrizations of the freeze-out state of relativistic heavy ion collisions, we perform a simultaneous analysis of the single-particle m_t-spectra and two-particle Bose-Einstein correlations measured in central Pb+Pb collisions at the CERN SPS. The analysis includes a full model parameter scan with chi^2 confidence levels. [...]
nucl-th/9907096; TPR-99-12; CERN-TH-99-215; CERN-TH-99-215; TPR-99-12.- Geneva : CERN, 2003 - 20 p. - Published in : Heavy Ion Phys. 17 (2003) 105-143 Access to fulltext document: PDF; Fulltext: PDF; External links: Fulltext; Heavy Ion Physics Server - Please contact the library if you need to access this document.
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9.
(26)
One-, Two- and Three-Particle Distributions from 158 A GeV/c Central Pb+Pb Collisions / WA98 Collaboration
Several hadronic observables have been studied in central 158 A GeV Pb+Pb collisions using data measured by the WA98 experiment at CERN: single negative pion and kaon production, as well as two- and three-pion interferometry. The Wiedemann-Heinz hydrodynamical model has been fitted to the pion spectrum, giving an estimate of the temperature and transverse flow velocity. [...]
nucl-ex/0210002.- Geneva : CERN, 2003 - 24 p. - Published in : Phys. Rev. C 67 (2003) 014906 Fulltext: PDF; External link: Fulltext
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10.
(26)
Elliptic flow of charged pions, protons and strange particles emitted in Pb+Au collisions at top SPS energy / CERES Collaboration
Differential elliptic flow spectra v2(pT) of \pi-, K0short, p, \Lambda were measured at \sqrt(s NN)= 17.3 GeV around midrapidity by the CERN-CERES/NA45 experiment in mid-central Pb+Au collisions (10% of \sigma(geo)). The pT range extends from about 0.1 GeV/c (0.55 GeV/c for \Lambda ) to more than 2 GeV/c. [...]
arXiv:1205.3692.- 2012 - 38 p. - Published in : Nucl. Phys. A 894 (2012) 41-73 Fulltext: PDF; External link: Preprint
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