Representative Interactions in Multiparticle Productions

Kagiyama, Shigenori; Kinoshita, Kisei

doi:10.1143/ptp.50.1965

Cited by 4 publications

(8 citation statements)

References 5 publications

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“…Alternatively, a continuum description based on the Schwinger model of (1+1)-dimensional QED with heuristic back-reaction-"chromohydrodynamics"-has been invoked to describe the formation of a locally equilibrated quarkgluon plasma [44][45][46]. One general aspect of these models is that initially part of the kinetic energy of the colliding nuclei is stored in coherent glue field configurations, which subsequently decay into quark pairs.…”

Section: Formation Of a Thermalized Statementioning

confidence: 99%

“…collective plasma oscillations of large amplitude [208]. Such oscillations are known to occur in the framework of the chromo-hydrodynamic model [44][45][46] where the collision energy is first stored in a coherent color field which later breaks up into qq pairs. The ensuing collective flow effects could strongly enhance the production of lepton pairs of high invariant mass.…”

Section: Electromagnetic Response Functionmentioning

confidence: 99%

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Physics and signatures of the quark-gluon plasma

Müller

1995

Rep. Prog. Phys.

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This is a critical review of the various observables that have been proposed to signal the change from dense hadronic matter to a quark-gluon plasma at high temperature or baryon density. I discuss current models of quark-gluon plasma formation in relativistic heavy ion collisions and analyze the virtues and ambiguities of various signatures. * Review article prepared for Report of Progress in Physics

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Section: Formation Of a Thermalized Statementioning

confidence: 99%

Section: Electromagnetic Response Functionmentioning

confidence: 99%

Physics and signatures of the quark-gluon plasma

Müller

1995

Rep. Prog. Phys.

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“…A Accordingly, the longitudinal extension of the system at t > 0 is given by (7) There are two factors that make the longitudinal distance of the system prolongate compared with the case in which emission points degenerate to the point O. One is due to the extension of the emission A points to t direction; (8) where tA = OR' = to -tp = (2RA + Sh ch (Yin + n))ch (Yin -n)/sh (2Yin) (9) tA'= QTRT = tQ -tR = (2RA' + Sh ch (Yin -n))ch (Yin + n)/sh (2Yin)· (10) As is clear from Fig.…”

Section: Geometrical Explanation Of the Steep Effectmentioning

confidence: 99%

Quark-gluon plasma formation in the central rapidity region and finite size effects of colliding nuclei

Sumiyoshi

Daté

Suzuki

et al. 1984

Z. Phys. C - Particles and Fields

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The energy density of the central products in the ultra-relativistic heavy ion collisions are calculated. In our estimation, the special attention is paid to the space-time extension of the emission points of the secondary hadrons which are originated in the successive nucleon-nucleon interactions within the finite size of colliding nuclei. The average collision number per produced *On leave of absence from Institute for Nuclear Study, University of Tokyo, Tanashi, Tokyo 188. iv particle, in the final state interaction. is also calculated and is used as a criterion whether the system is thermalized or not. It turns out that the attainable energy density in the central heavy ion collision is sensitive to the space-time extension of the emission points. However, if the incident energy and the mass numbers of colliding nuclei are high and large, we can get high enough energy density for the phase transition from a hadronic state to a quark-gluon plasma state.

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“…Although the formulation in [11] is thermodynamically consistent, it has still a difficulty that pressure diverges as n → 1/v 0 , where n is number density and v 0 is fixed hadron volume, and acausality emerges (there is no relativistic rigid body) as the authors themselves pointed out. Thus we were led to 'soft core' model, that is the compressible bag model [12,13].…”

Section: Introductionmentioning

confidence: 99%

Compressible bag model and the phase structure

et al. 2002

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The phase structure of hadrons and quark-gluon plasma is investigated by two types of equation of hadron state, namely ideal hadron gas model and the compressible bag model. It is pointed out that, while the ideal gas model produces unrealistic extra hadron phase, the compressible bag model gives an expected and reasonable phase diagram even if rich hadron spectrum is taken into account.Comment: 14 pages, 11 figures, LaTeX2

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Representative Interactions in Multiparticle Productions

Abstract: A model for multiparticle production is investigated which contains three kinds of representative trajectories, cdrresponding to the propagators in the multiperipheral form of the urbaryon rearrangement diagrams.

Cited by 4 publications

References 5 publications

Physics and signatures of the quark-gluon plasma

Physics and signatures of the quark-gluon plasma

Quark-gluon plasma formation in the central rapidity region and finite size effects of colliding nuclei

Compressible bag model and the phase structure

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