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Titolo:
Formation and identification of Centauro and Strangelets in nucleus-nucleus collisions at the LHC
Autore:
Angelis, ALS; Bartke, J; Bogolyubsky, MY; Filippov, SN; Gladysz-Dziadus, E; Kharlov, YV; Kurepin, AB; Maevskaya, AI; Mavromanolakis, G; Panagiotou, AD; Sadovsky, SA; Stefanski, P; Wlodarczyk, Z;
Indirizzi:
Univ Athens, Nucl & Particle Phys Div, Athens, Greece Univ Athens AthensGreece ens, Nucl & Particle Phys Div, Athens, Greece Inst Nucl Phys, Krakow, Poland Inst Nucl Phys Krakow PolandInst Nucl Phys, Krakow, Poland Inst High Energy Phys, Protvino, Russia Inst High Energy Phys Protvino Russia igh Energy Phys, Protvino, Russia Russian Acad Sci, Inst Nucl Res, Moscow, Russia Russian Acad Sci Moscow Russia Acad Sci, Inst Nucl Res, Moscow, Russia Pedag Univ Kielce, Inst Phys, Kielce, Poland Pedag Univ Kielce Kielce Poland Univ Kielce, Inst Phys, Kielce, Poland
Titolo Testata:
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
, volume: 75A, anno: 1999,
pagine: 203 - 205
SICI:
0920-5632(199904)75A:<203:FAIOCA>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
EMULSION CHAMBERS; ENERGY; MATTER; EVENTS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
13
Recensione:
Indirizzi per estratti:
Indirizzo: Angelis, ALS Univ Athens, Nucl & Particle Phys Div, Athens, Greece Univ Athens Athens Greece article Phys Div, Athens, Greece
Citazione:
A.L.S. Angelis et al., "Formation and identification of Centauro and Strangelets in nucleus-nucleus collisions at the LHC", NUCL PH B-P, 75A, 1999, pp. 203-205

Abstract

We present a phenomenological model for the formation and decay of a cosmic ray Centauro fireball in the baryon-rich projectile fragmentation rapidity region in nucleus-nucleus interactions. Our model naturally incorporates the possibility of Strangelet formation, Strangelets being conjectured to be the "strongly penetrating component'' observed in hadron-rich cosmic ray events. Based on this model we have performed Monte-Carlo simulations to study the Centauro and Strangelet dynamic and kinematic characteristics in central Pb+Pb collisions at LHC energies, as well as their identification by the detector system CASTOR. CASTOR is being developed for the ALICE heavy ion experiment at the LHC and will probe the very forward pseudorapidity region 5.6 less than or equal to eta less than or equal to 7.2, characterized by very high baryon density. CASTOR is optimised to search for Centauro signatures and long penetrating objects. Simulations show that CASTOR is well able to distinguish events with abnormal values of E-em/E-had or N-gamma/N-ch. In addition simulations of the transition curves of Strangelets traversing the CASTOR calorimeter show long penetration and many-maxima structure such as observed in cosmic ray events.

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Documento generato il 28/11/20 alle ore 04:56:50