Neutral-kaon system in dense matter and heavy-ion collisions

Giovanni Amelino-Camelia, Joseph Kapusta

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

Above a critical matter density the propagating modes of the neutral kaon system are essentially agenstates of strangeness, but below it they are almost complete agenstates of CP. We estimate the real and imaginary parts of the energies of these modes and their mixing at all densities up to a nuclear matter density of 2 × 1014 g/cm3. I n a heavy-ion collision the strong interactions create eigenstates of strangeness, and these propagate adiabatically until the density has fallen to the critical value, whereupon the system undergoes a sudden transition to (near) agenstates of CP. We esti mate the critical density to be 20 g/cm3, and that this density will be reached about 2 × 105 fm/c after the end of the collision.

Original languageEnglish (US)
Pages (from-to)291-296
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume465
Issue number1-4
DOIs
StatePublished - Jan 1 1999

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