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CERN Document Server 2,035 record trovati  1 - 10successivofine  salta al record: La ricerca ha impiegato 0.64 secondi. 
1.
(100)
Collective flow and HBT in Pb+Pb collisions at the CERN-SPS / WA98 Collaboration
Study of elliptic emission for identified particles has been performed in 158A GeV Pb+Pb collisions near mid-rapidity region. Our preliminary results indicate the existence of the in-plane elliptic emission for pi /sup +/ and proton, and out-of-plane elliptic emission for K/sup +/ in semi-central collisions. [...]
Geneva : CERN, 2000 - Published in : Nucl. Phys. A 663-664 (2000) 729-32
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2.
(91)
Elliptic emission of $K^{+}$ and $\pi^{+}$ in 158A GeV Pb + Pb collisions / WA98 Collaboration
An event-by-event analysis of the azimuthal angular correlation with respect to the reaction plane has been carried out for K/sup +/ and pi /sup +/ emission near mid-rapidity in 158A.GeV Pb+Pb collisions. In semi-central collisions, K/sup +/ mesons are found to be preferentially emitted out of the reaction plane, while pi /sup +/ mesons are emitted in the reaction plane. [...]
Geneva : CERN, 1999 - Published in : Nucl. Phys. A 661 (1999) 464-7
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3.
(80)
Collective flow in Pb + Pb collisions at the CERN-SPS / WA98 Collaboration
CNS-REP-21.- Tokyo : Tokyo Univ. Cent. Nucl. Stud., 1999 Access to fulltext document: TIF PDF;
In : 15th Winter Workshop on Nuclear Dynamics, Park City, UT, USA, 9 -16 Jan 1999, pp.205-214
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4.
(51)
$\Delta^{++}$ production in 158 A GeV $^{208}Pb+^{208}Pb$ interactions at the CERN SPS / Aggarwal, M M ; Agnihotri, A ; Ahammed, Z ; Angelis, Aris L S ; Antonenko, V G ; Arefev, V ; Astakhov, V A ; Avdeichikov, V ; Awes, T C ; Baba, P V K S et al.
The Delta /sup ++/-resonance production in central 158 A GeV /sup 208 /Pb+/sup 208/Pb collisions at the CERN SPS has been studied. The Delta /sup ++/ production was estimated from the invariant mass spectrum of p pi /sup +/-pairs by subtracting a mixed event background. [...]
Geneva : CERN, 2000 - Published in : Phys. Lett. B 477 (2000) 37-44
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5.
(51)
One-, two- and three-particle distributions from central Pb+Pb collisions at 158A GeV/c / WA98 Collaboration
The WA98 experiment at the CERN SPS combines large acceptance photon detectors with a two-arm charged particle tracking spectrometer to study 158A GeV Pb+Pb collisions.We present results from one-, two- and three-particle analyses for charged particles identified with a time of flight system. The rapidity acceptance for pions in the first (second) arm ranged from y=2.1 (2.6) to 3.1 (3.8) with an average at 2.7 (3.2), close to mid-rapidity which was 2.9. [...]
Geneva : CERN, 2002 - Published in : Nucl. Phys. A 698 (2002) 647C-50C
In : 15th International Conference on Ultrarelativistic Nucleus-Nucleus Collisions, Stony Brook, NY, USA, 15 - 20 Jan 2001, pp.647C-50C
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6.
(50)
Two-particle correlations in 158 A GeV collisions / WA98 Collaboration
The only known way to obtain indirect experimental information on the space-time structure of the particle emitting source created in relativistic heavy-ion collisions is two-particle (Hanbury-Brown- Twiss (HBT)) correlations. In particular a strong correlation between the momenta of the particles and the space-time emission point indicate expanding sources as predicted by hydrodynamical models. [...]
Geneva : CERN, 1999 - Published in : Nucl. Phys. A 661 (1999) 427-30
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7.
(36)
Direct photons in WA98 / WA98 Collaboration
A measurement of direct photon production in /sup 208/Pb+/sup 208/Pb collisions at 158 A GeV has been carried out in the CERN WA98 experiment. The invariant yield of direct photons was extracted as a function of transverse momentum in the interval 0.5<P/sub T/<3.3 GeV /c for, peripheral, and 0.5<P/sub T/<4.0 GeV/c for central collisions. [...]
Geneva : CERN, 2002 - Published in : Nucl. Phys. A 698 (2002) 135C-42C
In : 15th International Conference on Ultrarelativistic Nucleus-Nucleus Collisions, Stony Brook, NY, USA, 15 - 20 Jan 2001, pp.135C-42C
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8.
(28)
Recent results from the WA98 experiment / WA98 Collaboration
Recent results of the WA98 experiment with Pb induced reactions at 158.A GeV are presented. The scaling properties of the transverse energy and the charged particle multiplicity at midrapidity with the number of participants is studied. [...]
Geneva : CERN, 1999 - Published in : Nucl. Phys. A 661 (1999) 191-7
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9.
(25)
Recent results on Pb + Pb collisions at 158 AGeV from the WA98 experiment at CERN / WA98 Collaboration
1998 - Published in : Nucl. Phys. A 638 (1998) 147-158
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10.
(25)
Collective flow in 158 AGeV Pb + Pb collisions / WA98 Collaboration
1998 - Published in : Nucl. Phys. A 638 (1998) 459-462
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