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CERN Document Server Pronađeno je 2,031 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.43 sekundi 
1.
(100)
Multiplicity Distributions and Charged-neutral Fluctuations / WA98 Collaboration
Results from the multiplicity distributions of inclusive photons and charged particles, scaling of particle multiplicities, event-by-event multiplicity fluctuations, and charged-neutral fluctuations in 158$\cdot A$ GeV Pb+Pb collisions are presented and discussed. A scaling of charged particle multiplicity as $N_{part}^{1.07\pm 0.05}$ and photons as $N_{part}^{1.12\pm 0.03}$ have been observed, indicating violation of naive wounded nucleon model. [...]
nucl-ex/0103007.- 2001 - 15 p.
Fulltext: PDF; External link: nucl-ex/0103007 PDF
In : International Symposium On Nuclear Physics, Mumbai, India, 18 - 20 Dec 2000
Detaljnije - Slični zapisi
2.
(91)
Localized Charged-Neutral Fluctuations in 158 A GeV Pb+Pb Collisions / WA98 Collaboration
First results on the measurement of localized fluctuations in the multiplicity of charged particles and photons produced in central 158 A GeV Pb+Pb collisions are presented. The charged versus neutral correlations in common phase space regions of varying azimuthal size are analyzed by two different methods. [...]
nucl-ex/0012004.- 2001 - 5 p. - Published in : Phys. Rev. C 64 (2001) 011901 Fulltext: PDF; External link: nucl-ex/0012004 PDF
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3.
(83)
Centrality dependence of charged-neutral particle fluctuations in 158A GeV Pb+Pb collisions / WA98 Collaboration
Results on the study of localized fluctuations in the multiplicity of charged particles and photons produce 158A GeV/c Pb+Pb collisions are presented for four different centrality classes. The charged versus neutral particle multiplicity correlations in common phase space regions of varying azimuthal size are analyzed by two different methods. [...]
nucl-ex/0206017.- 2003 - 20 p. - Published in : Phys. Rev. C 67 (2003) 044901 Fulltext: PDF; External link: nucl-ex/0206017 PDF
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4.
(82)
Event-by-event charged-neutral fluctuations in Pb+Pb collisions at 158 A~GeV / WA98 Collaboration
Charged particles and photons have been measured in central Pb+Pb collisions at 158 A GeV in a common ($\eta$ - $\phi$)-phase space region in the WA98 experiment at the CERN SPS. The measured distributions have been analyzed %using the sliding window method in order to quantify the frequency with which phase space regions of varying sizes have either small or large neutral pion fraction. [...]
arXiv:1103.2489.- 2011 - 6 p. - Published in : Phys. Lett. B 701 (2011) 300-305 Preprint: PDF; External link: Preprint
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5.
(76)
Search for disoriented chiral condensates in 158.A GeV Pb + Pb collisions / WA98 Collaboration
A detailed analysis of the phase space distributions of charged particles and photons have been carried out using two independent methods. The results indicate the presence of nonstatistical fluctuations in localized regions of phase space..
nucl-ex/9909018.- Geneva : CERN, 2000 - 4 p. - Published in : Nucl. Phys. A 663-664 (2000) 745-8 Fulltext: PDF;
In : 15th Particles and Nuclei International Conference, Uppsala, Sweden, 10 - 16 Jun 1999, pp.745-748
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6.
(71)
Present Status and Future of DCC Analysis / WA98 Collaboration
Disoriented Chiral Condensates (DCC) have been predicted to form in high energy heavy ion collisions where the approximate chiral symmetry of QCD has been restored. This leads to large imbalances in the production of charged to neutral pions. [...]
hep-ex/9802019; VECC-NEX-01; VECC-NEX-98-01.- 1998 - 12 p.
Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ex/9802019 PDF
In : 13th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions : Quark Matter '97, Tsukuba, Japan, 1 - 5 Dec 1997
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7.
(69)
Scaling of Particle and Transverse Energy Production in 208Pb+208Pb collisions at 158 A GeV / WA98 Collaboration
Transverse energy, charged particle pseudorapidity distributions and photon transverse momentum spectra have been studied as a function of the number of participants (N_{part}) and the number of binary nucleon-nucleon collisions (N_{coll}) in 158 A GeV Pb+Pb collisions over a wide impact parameter range. A scaling of the transverse energy pseudorapidity density at midrapidity as N_{part}^{1.08 \pm 0.06} and N_{coll}^{0.83 \pm 0.05} is observed. [...]
nucl-ex/0008004.- Upton, NY : Brookhaven Nat. Lab., 2001 - 11 p. - Published in : Eur. Phys. J. C 18 (2001) 651-63 Fulltext: PDF; External link: Fulltext
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8.
(68)
Search for Disoriented Chiral Condensates in 158 AGeV Pb+Pb Collisions / WA98 Collaboration
The restoration of chiral symmetry and its subsequent breaking through a phase transition has been predicted to create regions of Disoriented Chiral Condensates (DCC). This phenomenon has been predicted to cause anomalous fluctuations in the relative production of charged and neutral pions in high-energy hadronic and nuclear collisions. [...]
hep-ex/9710015.- 1998 - 20 p. - Published in : Phys. Lett. B 420 (1998) 169-179 Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ex/9710015 PDF - Please contact the library if you need to access this document.
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9.
(64)
Directed Flow in 158 A GeV $^{208}Pb$ + $^{208}Pb$ Collisions / WA98 Collaboration
The directed flow of protons and positive pions have been studied in 158 A GeV Pb + Pb collisions. [...]
nucl-ex/9807004. - 1998. - 5 p.
Full text - Access to fulltext document - Full text
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10.
(63)
Direct Photon Production in 158 A GeV $^{208}Pb+^{208}Pb$ collisions / WA98 Collaboration
A measurement of direct photon production in 208Pb + 208Pb collisions at 158 A GeV has been carried out in the CERN WA98 experiment. The invariant yield or upper limit of direct photons as a function of transverse momentum in the interval 0.5 < p_T < 4 GeV/c is presented. [...]
nucl-ex/0006007.- 2001 - 56 p. Fulltext: PDF; External link: Fulltext
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