Re: beta particle range

[Judd Sills <sillsj@GAT.COM>]

At 08:40 AM 7/3/97 -0500, you wrote:
>Hello,
>I seem to remember a formula for beta particle energy-range relationship
>(in Cember's Intro. to Healt Physics), however, I do not have the book
>with me. Does anyone know the formula off-hand, or any other applicable
>formula? Thanks.
>Bob Dunn
>rso.gscancer@worldnet.att.net
>
>

R (mg/cm2) = 412 * Emax ^(1.265 - 0.0954 * ln Emax)
Equation 5.2 in Cember's second edition.

If Emax is greater than 2.5 MeV, 
R = 530 * Emax - 106
Equation 5.4

These are just approximations, and the behavior
of the beta will depend upon the distribution
of the beta energy profiles.

Best regards

Judd M. Sills, CHP           |   Office: (619)455-2049
General Atomics, Room 01-166C|      Fax: (619)455-3181
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