Sonoluminescence and high-pressure gas scintillators

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Abstract
We point out striking similarities between the light emitted in single-bubble sonoluminescence and high-pressure gas scintillators. This observation can account for important and largely unexplained phenomena surrounding sonoluminescence. Especially, it explains the observed dramatic effects of the noble gas content on the spectral density of the light emitted from a sonoluminescence bubble in water. Based on studies with high-pressure gas scintillators, we also propose an alternative explanation for the extreme temperature sensitivity of sonoluminescence. © 1996 The American Physical Society.