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Search for strangeness abundant quark-gluon plasma in nucleus-nucleus collisions

Technical Report:

Abstract

The experimental data on {Lambda} and K{sup 0} production in CC-, CNe-, ONe-, MgMg-collisions at E{sub p}=3.4-3.7 A GeV were analysed to study highly excited hadron matter and to search for QGP. It was found that with increasing of the number of nucleons-participants or their energy become more uniform up to nearly isotopic ones; the temperatures T{sub {Lambda},K} rise from 80 MeV up to 150-160 MeV. To explore a further energy dependence of the revealed effects, the above data were compared with the results, recently obtained at BNL and CERN. This comparison shows that T{sub {Lambda},K} as a function of E appears to remain nearly constant up to the highest energy of nuclei available at CERN until now (E{approx}6000 GeV) at which the strangeness enhancement (for {Lambda}, {Lambda}-tilde, K{sub S}{sup 0} with P{sub T}>0.4-0.5 GeV/c) was observed as well. 23 refs.; 5 figs.; 1 tab.
Authors:
Publication Date:
Dec 31, 1991
Product Type:
Technical Report
Report Number:
JINR-E-1-91-332
Reference Number:
SCA: 663400; PA: AIX-24:008877; SN: 93000933319
Resource Relation:
Other Information: DN: The invited talk given at International Symposium `High Energy Nuclear Collisions and Quark Gluon Plasma`, June 6-8, 1991, Kyoto, Japan.; PBD: 1991
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; CARBON 12 TARGET; CARBON 12 REACTIONS; KAONS NEUTRAL; LAMBDA PARTICLES; MAGNESIUM 24 TARGET; MAGNESIUM 24 REACTIONS; ANGULAR DISTRIBUTION; ENERGY DEPENDENCE; GEV RANGE; PARTICLE PRODUCTION; QUARK-GLUON INTERACTIONS; REVIEWS; SPIN ORIENTATION; STRANGENESS; TEMPERATURE DEPENDENCE; 663400; SPECIFIC NUCLEAR REACTIONS AND SCATTERING
OSTI ID:
10119716
Research Organizations:
Joint Inst. for Nuclear Research, Dubna (Russian Federation). Lab. of High Energy
Country of Origin:
JINR
Language:
English
Other Identifying Numbers:
Other: ON: DE93613364; TRN: RU9206948008877
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
INIS
Size:
[8] p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Okonov, E O. Search for strangeness abundant quark-gluon plasma in nucleus-nucleus collisions. JINR: N. p., 1991. Web.
Okonov, E O. Search for strangeness abundant quark-gluon plasma in nucleus-nucleus collisions. JINR.
Okonov, E O. 1991. "Search for strangeness abundant quark-gluon plasma in nucleus-nucleus collisions." JINR.
@misc{etde_10119716,
title = {Search for strangeness abundant quark-gluon plasma in nucleus-nucleus collisions}
author = {Okonov, E O}
abstractNote = {The experimental data on {Lambda} and K{sup 0} production in CC-, CNe-, ONe-, MgMg-collisions at E{sub p}=3.4-3.7 A GeV were analysed to study highly excited hadron matter and to search for QGP. It was found that with increasing of the number of nucleons-participants or their energy become more uniform up to nearly isotopic ones; the temperatures T{sub {Lambda},K} rise from 80 MeV up to 150-160 MeV. To explore a further energy dependence of the revealed effects, the above data were compared with the results, recently obtained at BNL and CERN. This comparison shows that T{sub {Lambda},K} as a function of E appears to remain nearly constant up to the highest energy of nuclei available at CERN until now (E{approx}6000 GeV) at which the strangeness enhancement (for {Lambda}, {Lambda}-tilde, K{sub S}{sup 0} with P{sub T}>0.4-0.5 GeV/c) was observed as well. 23 refs.; 5 figs.; 1 tab.}
place = {JINR}
year = {1991}
month = {Dec}
}