Re: Solar Flares

[Michael McNaughton <mcnaught@LANL.GOV>]

At 05:50 PM 11/05/2001 -0500, AndrewsJP@AOL.COM wrote:

>When I was in college ( 60's), I did an experiment and a report on the 

>dinural variation in the cosmic radiation due to the proton flux on the 

>atmosphere by measuring the change in the gamma background above the 

>terrestial component.  I used a 4x4 NaI(Tl) detector in a 4" lead cave 

>open at the top.  The recorded trace of the count-rate showed some 

>differences that I presumed to be from the different proton flux incident 

>on the atmosphere above the detector at different times of day.  The 

>changes were not large, as I recall on the order of 10-20%.  Based on 

>that,  there should be very small differences in the response of normal 

>survey instruments.



I think what you may have been seeing was diurnal fluctuations in radon 

decay products. I have never seen any variation in cosmic radiation on our 

website http://newnet.lanl.gov



mike





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