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Article #1280Re: Sonoluminescence - certain knowledge?
From: Matt Kennel
Date: Sun, 10 Jan 1993 18:49
Date: Sun, 10 Jan 1993 18:49
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crb7q@kelvin.seas.Virginia.EDU (Cameron Randale Bass) writes: : No, it is not a small jump. There are clearly shock phenomena : that involve ionization and dissociation, that upon species : recombination can emit light. To then postulate nuclear excitation : from this is not a small leap at all, and the weak links are : basically nonexistent links. : : As far as the photons, they appear to be locallized at the : center of the bubble in 'stable cavitation'. This would make sense : if there were a strong shock-dissociation-recombination chain : of events inside the vapour bubble. When I went to the UCLA lab a few months ago, Prof Putterman said that the light appeared to have a overall macroscopic polarization pattern, which you would not expect from independent atomic recombinations, but rather pointing towards some overall collective phenomenon. I don't know what more recent experimental results say. : dale bass -- -Matt Kennel mbk@inls1.ucsd.edu -Institute for Nonlinear Science, University of California, San Diego -*** AD: Archive for nonlinear dynamics papers & programs: FTP to -*** lyapunov.ucsd.edu, username "anonymous".
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Path: arc1-ca.pugleaf.net!sparky!uunet!ogicse!uwm.edu!biosci!ucselx!network.ucsd.edu!hamilton!mbk From: mbk@hamilton (Matt Kennel) Newsgroups: sci.physics.fusion Subject: Re: Sonoluminescence - certain knowledge? Message-ID: <1ipr33INNkem@network.ucsd.edu> Date: 10 Jan 93 18:49:07 GMT Article-I.D.: network.1ipr33INNkem References: <1993Jan6.191134.19959@murdoch.acc.Virginia.EDU> Organization: Institute For Nonlinear Science, UCSD Lines: 26 NNTP-Posting-Host: hamilton.ucsd.edu X-Newsreader: Tin 1.1 PL3