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Absence of Thermophoretic Flow in Relativistic Heavy-Ion Collisions as an Indicator for the Absence of a Mixed Phase | Markus H. Thoma
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4 Dec 2001 | Subject: | High Energy Physics - Phenomenology; Plasma Physics | hep-ph nucl-th physics.plasm-ph | Abstract: | If a quark-gluon plasma is formed in relativistic heavy-ion collisions, there may or may not be a mixed phase of quarks, gluons and hadronic clusters when the critical temperature is reached in the expansion of the fireball. If there is a temperature gradient in the fireball, the hadronic clusters, embedded in the heat bath of quarks and gluons, are subjected to a thermophoretic force. It is shown that even for small temperature gradients and short lifetimes of the mixed phase, thermophoresis would lead to a flow essentially stronger than the observed one. The absence of this strong flow provides support for a rapid or sudden hadronization mechanism without a mixed phase. | Source: | arXiv, hep-ph/0112052 | Other source: | [GID 71121] pmid12005558 | Services: | Forum | Review | PDF | Favorites |
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