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FIZIKA B 11 (2002) 2, 115-134
 
MULTIPLE PION AND KAON PRODUCTION IN HIGH-ENERGY NUCLEUS-NUCLEUS
COLLISIONS: MEASUREMENTS VERSUS SPECIFIC MODELS
P. GUPTAROYa , BHASKAR DEb,i, S.
BHATTACHARYYAb,,j
and D. P. BHATTACHARYYAa,k
aDepartment of Theoretical Physics, Indian Association for
the Cultivation of Science, Kolkata-700032, India
bPhysics and Applied Mathematics Unit (PAMU), Indian
Statistical Institute, Kolkata-700108, India
E-mail addresses: i[email protected], j[email protected], k[email protected]
Received 17 October 2001; revised manuscript received 18 January 2002
Accepted 27 May 2002 Online 7 February 2003
The pion and kaon rapidity densities and the nature of kaon-pion ratios offer two very
prominent and crucial physical observables on which modestly sufficient data for heavy
nucleus collisions are available to date. In the light of two sets of models - one purely
phenomenological and the other with a modest degree of a dynamical basis - we try to
examine the state of agreement between calculations and experimental results obtainable
from the past and the latest measurements. Impact and implications of all these would also
finally be spelt out.
PACS numbers: 25.75.-q, 13.85.Ni, 12.38.Mh
UDC 529.126
Keywords: relativistic heavy ion collisions, inclusive production, quark gluon plasma
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