Physics
Scientific paper
May 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrvl..58.1926a&link_type=abstract
Physical Review Letters (ISSN 0031-9007), vol. 58, May 11, 1987, p. 1926-1929. Research supported by the Gesellschaft für Schwer
Physics
253
Equations Of State, Heavy Ions, High Energy Interactions, Ionic Collisions, Momentum Transfer, Nuclear Interactions, Deuterons, Gravitational Collapse, Neutron Stars, Pions, Supernovae, Nuclear Matter
Scientific paper
It is demonstrated that momentum-dependent nuclear interactions (MDI) have a large effect on the dynamics and on the observables of high-energy heavy-ion collisions: a soft potential with MDI suppresses pion and kaon yields much more strongly than a local hard potential and results in transverse momenta intermediate between soft and hard local potentials. The collective-flow angles and the deuteron-to-proton ratios are rather insensitive to the MDI. Only simultaneous measurements of these observables can give clues on the nuclear equation of state at densities of interest for supernova collapse and neutron-star stability.
Aichelin Joerg
Greiner Walter
Peilert G.
Rosenhauer A.
Stoecker Horst
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