Causality Constraints on Hadron Production In High Energy Collisions - INSPIRE

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Causality Constraints on Hadron Production In High Energy Collisions

P. Castorina
(
- CERN and
- Catania U.
)
,
H. Satz
(
- Bielefeld U.
)

Oct 25, 2013

16 pages

Published in:

Int.J.Mod.Phys.E 23 (2014) 4, 1450019

Published: 2014

e-Print:

1310.6932 [hep-ph]

DOI:

10.1142/S0218301314500190

Report number:

CERN-PH-TH-2013-251

View in:

reference search27 citations

Citations per year

Abstract: (arXiv)

For hadron production in high energy collisions, causality requirements lead to the counterpart of the cosmological horizon problem: the production occurs in a number of causally disconnected regions of finite space-time size. As a result, globally conserved quantum numbers (charge, strangeness, baryon number) must be conserved locally in spatially restricted correlation clusters. This provides a theoretical basis for the observed suppression of strangeness production in elementary interactions (pp, e^+e^-). In contrast, the space-time superposition of many collisions in heavy ion interactions largely removes these causality constraints, resulting in an ideal hadronic resonance gas in full equilibrium.

Note:

16 pages,8 figures

12.38.Aw
13.66.Bc
12.40.Ee
statistical hadronization
strangeness
Heavy ions
hadron: production
causality
hadron: resonance: gas
strangeness: production

References(16)

Figures(9)

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