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Topic: Gamma rays  (Read 7291 times)

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Offline Darren

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Gamma rays
« on: June 20, 2012, 01:31:42 AM »
What is the maximum frequency of gamma rays? Or is there no limit to the frequency of gamma rays? Is there any term or name for frequencies above a specific value after gamma rays? Or is gamma ray the last name we have for frequencies that high?
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Offline Borek

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Re: Gamma rays
« Reply #1 on: June 20, 2012, 04:16:16 AM »
Gamma is the last, there is no limit to the Gamma photon energy (although there exists something called Greisen–Zatsepin–Kuzmin limit - we are unlikely to observe gamma rays with energies higher than about 5×1019 eV).
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Offline Darren

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Re: Gamma rays
« Reply #2 on: June 20, 2012, 10:58:52 AM »
Thank you Borek! That was my first time of knowing that such a thing exists... So i guess those high energies can only be cosmic rays. Imagine just one of those energy prticles penetrating our bodies with that much of a magnitude of energy.
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Offline FoolishFingers

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Re: Gamma rays
« Reply #3 on: July 18, 2012, 02:47:47 PM »
Actually, you can read about its reactions to the human body. Apparently the Apollo astronauts were unplanned test subjects. Search the web the Wikipedia entry "Cosmic ray visual phenomena"
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