Bulk viscosity of strange quark matter
Oct 4, 199314 pages
Published in:
- Z.Phys.A 349 (1994) 93-98
DOI:
Report number:
- FPRINT-93-76
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Abstract: (Springer)
We rederive the bulk viscosity of strange quark matter from the dominant reactionu + s ↔d + u by taking the effect of temperature and quark-gluon coupling perturbatively to first order in the chemical composition of the quark matter. We also calculate the contribution from the β-decay processes s(d) →u + e + ¯v andu + e → s(d)+ v and show that this contribution has different temperature dependence and can even be larger than the contribution from the former reaction at temperatures of the order of the electron Fermi energy.- quark: matter
- strangeness
- quark: semileptonic decay
- semileptonic decay: quark
- up
- down
- effect: temperature
- quark gluon: coupling
- coupling: quark gluon
- matter: density
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