Re: Cherenkov Radiation false if light is the smallest mass (quanta)??


Tom Roberts wrote:
[...]

Except, of course, experiments observe Cherenkov radiation all the time,
with properties quite accurately described by the theory.


I think they're recording the rate at which the radiation reaches their
image/pattern recorders. In that case then I guess a billiard effect is
not taking place (since it's not a distance travelled measurement...?)?

http://www.cern.ch/RD11/rkb/PH14pp/node26.html
Quote:
"The major problem of Cherenkov radiation is the modest light output:
the energy loss due to ionization or excitation is two to three orders
of magnitude higher than the energy lost in radiating Cherenkov light,
in the energy range where photomultipliers can be used (a few eV, or
about 400 nm wavelength). By its directionality, Cherenkov light can,
however, be separated from the background. The useful photon yield is
obtained by integrating over the range of sensitive wavelengths: "

I read it standing upside down and still nothing...I can't figure if
they're recording the rate (if the rate then I was incorrect) or
distance travelled by the Chernkov radiated light...Not wishing to give
Tom a heart attack but ionization, excitation may produce the billiard
effect I was talking about or not..??




Your word-salad ramblings are useless. You need to _LEARN_ about
physics, and not try to discuss what you so obviously do not understand.


Tom Roberts

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Relevant Pages

  • Re: The idea of Tachyons
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    (rec.arts.sf.science)
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