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Digitale Medien

Dynamical and thermal aspects of relativistic heavy-ion collisions (1991)

Lang, A. ; Blättel, B. ; Cassing, W. ; [weitere]

Springer

The European physical journal 340 (1991), S. 287-295

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ISSN: 1434-601X

Schlagwort(e): 25.70.−z ; 25.70.Np

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Within a covariant BUU-approach we simulate heavyion collisions at various bombarding energies from 400 MeV/u to 1 GeV/u. We evaluate locally the energymomentum tensorT μv (x), and extract pressures, energydensities and temperatures. The connection of these thermodynamical quantities to experimental observables and their sensitivity to the equation of state is discussed. Furthermore, we investigate the question of local equilibration and evaluate the entropy produced in these reactions.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01294677

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Digitale Medien

ETA and dilepton production in heavy-ion reactions

Wolf, G. ; Cassing, W. ; Ehehalt, W. ; [weitere]

Amsterdam : Elsevier

Progress in Particle and Nuclear Physics 30 (1993), S. 273-295

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ISSN: 0146-6410

Schlagwort(e): Dilepton ; electromagnetic form factors ; eta ; medium properties ; pion ; rho-meson

Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Thema: Physik

Materialart: Digitale Medien

URL: http://linkinghub.elsevier.com/retrieve/pii/0146-6410(93)90029-F

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Microscopic investigations of pion production in heavy-ion collisions (1987)

Kaps, R. ; Cassing, W. ; Mosel, U. ; [weitere]

Springer

The European physical journal 326 (1987), S. 97-106

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ISSN: 1434-601X

Schlagwort(e): 25.70−z ; 25.90+k ; 13.75 Gx

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Production mechanisms for subthreshold pions in nucleus-nucleus collisions are studied on a microscopic level. The non-relativistic expansion of the pseudoscalar πNN-vertex provides a basis for the construction of several two-nucleon models. These are incorporated into a dynamical description of the heavy-ion collision by boosted harmonic oscillators that adopts essential features from TDHF. The approach allows for a separate analysis of the various production processes and the influence of the collision dynamics on the total pion yield. Results are presented for the system16O +16O at laboratory energies of 40 and 80 MeV per nucleon.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01294576

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(p,π±) correlations in central heavy-ion collisions at 1 ÷ 2 AGeV (2000)

Larionov, A.B. ; Cassing, W. ; Effenberger, M. ; [weitere]

Springer

The European physical journal 7 (2000), S. 507-518

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ISSN: 1434-601X

Schlagwort(e): PACS:25.75.-q Relativistic heavy-ion collisions – 25.75.Dw Particle and resonance production – 25.75.Gz Particle correlations

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract: The proton–charged pion correlated emission is studied in the reactions Au (1.06 AGeV) + Au, Ni (1.06 and 1.93 AGeV) + Ni and Ni (1.97 AGeV) + Cu within the BUU approach. The associated invariant mass distributions are shifted to smaller energies with respect to the free Δ(1232) mass distribution due to kinematical reasons. We find that the existing and partly conflicting experimental data do not allow to draw definite conclusions on the in-medium modification of the Δ(1232).

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/PL00013652

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