CERN Accelerating science

CERN Document Server Znaleziono 79 rekordów  1 - 10następnykoniec  skocz do rekordu: Szukanie trwało 0.58 sekund. 
1.
Formation and detection of centauro in Pb+Pb collisions at the LHC / Angelis, Aris L S ; Aslanoglou, X ; Bartke, Jerzy ; Chileev, K ; Gladysz-Dziadus, E ; Golubeva, M B ; Guber, F F ; Karavitcheva, T L ; Kharlov, Yu V ; Kurepin, A B et al.
We present a phenomenological model describing the formation of a quark-gluon plasma fireball in the very forward, baryon-rich rapidity region in nucleus-nucleus interactions, and its subsequent decay into baryons and possibly strangelets. The model explains the centauro events observed in cosmic rays and the long-penetrating component frequently accompanying. [...]
2002 - Published in : J. Phys. G 28 (2002) 1937-42
2.
Model of Centauro and Stranglet Production in Heavy Ion Collisions / Angelis, Aris L S ; Panagiotou, A D ; Gladysz-Dziadus, E ; Kharlov, Yu V ; Sadovsky, S A ; Korotkikh, V L
IHEP-2002-8.
- 2002. - 18 p.
Access to fulltext document - Access to fulltext document
3.
CASTOR detector : Model, objectives and simulated performance / Angelis, Aris L S ; Aslanoglou, X ; Bartke, Jerzy ; Bogolyubsky, M Yu ; Chileev, K ; Erine, S ; Gladysz-Dziadus, E ; Kharlov, Yu V ; Kurepin, A B ; Lobanov, M O et al.
We present a phenomenological model describing the formation and evolution of a Centauro fireball in the baryon-rich region in nucleus-nucleus interactions in the upper atmosphere and at the LHC. The small particle multiplicity and imbalance of electromagnetic and hadronic content characterizing a Centauro event and also the strongly penetrating particles (assumed to be strangelets) frequently accompanying them can be naturally explained. [...]
2001 - Published in : Nuovo Cimento C: 24 (2001) , no. 4-5, pp. 755-60
In : Chacaltaya Meeting on Cosmic Ray Physics, La Paz, Bolivia, 23 - 27 Jul 2000, pp.755-60
4.
CASTOR : Centauro And STrange Object Research in nucleus-nucleus collisions at the LHC / Angelis, Aris L S ; Bartke, Jerzy ; Bogolyubsky, M Yu ; Gladysz-Dziadus, E ; Kharlov, Yu V ; Kurepin, A B ; Maevskaya, A I ; Mavromanolakis, G ; Panagiotou, A D ; Sadovsky, S A et al.
We present a phenomenological model which describes the formation of a Centauro fireball in the baryon-rich projectile fragmentation region in nucleus-nucleus interactions in the upper atmosphere and at the LHC, and its decay to non-strange baryons and Strangelets. Strangelets are assimilated to the "strongly penetrating component" frequently observed accompanying hadron-rich cosmic ray events. [...]
2001 - Published in : Nucl. Phys. B, Proc. Suppl. 97 (2001) 227-30
In : 11th International Symposium on Very High Energy Cosmic Ray Interactions, Campinas, Brazil, 17 - 21 Jul 2000, pp.227-30
5.
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
6.
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
7.
Proposal for a Light Universal Detector for the Study of Correlations between Photons and Charged Particles : addendum 2 to Proposal P252 / Angelis, Aris L S ; Dönni, P ; Durieux, E ; Izycki, M ; Martin, M ; Rosselet, L ; Solomey, Nickolas ; Bock, R ; Gutbrod, H H ; Kolb, B M et al.
CERN-SPSC-90-033 ; SPSC-P-252-Add-2.
- 1990. - 12 p.
Access to fulltext document - Access to fulltext document - CERN library copies
8.
$\Delta^{++}$ 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
9.
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
10.
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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