Re: inverse square law - limitations(3)

[Michael McNaughton <mcnaught@lanl.gov>]

At 10:28 AM 8/17/00 -0500, you wrote:
>Above 100m we measured lower values than calculated values. This formulae
>can be used for greater distances but I can imagine that the absorption and
>scatter with the air layer in between should be included in the formulae. 
>2. which corrections should I use for bigger distances?

Beyond about 100 m, Compton scattering causes the effective path length to
increase. I have used the Monte-Carlo code MCNP to calculate this. I don't
know any other way.

mike
Mike McNaughton
email: mcnaught@LANL.gov or mcnaughton@LANL.gov
phone: (505)667-6130
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