Canonical description of strangeness conservation and particle production

We study the production of particles in terms of a statistical formalism requiring strangeness to be exactly conserved while baryon number is treated grand canonically using a chemical potential. A complete treatment is presented for the case where the overall strangeness of the gas is zero and particles having strangeness up to ±3 are present. As an illustration we have applied the above formalism to the description of particle production in proton-proton, proton-nucleus and nucleus-nucleus collisions. In particular theK/π ratio shows a strong dependence on the interaction volume of the system while, in contrast, the ratio

\bar \Lambda /\Lambda

is almost independent of the volume. These results are in qualitative agreement with experimental data.

p p: interaction
interaction: p p
p nucleus: interaction
interaction: p nucleus
nucleus nucleus: nuclear reaction
scattering: heavy ion
heavy ion: scattering
production: strangeness
strangeness: production
conservation law: strangeness

References(25)

Figures(0)

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