Latest revision as of 19:05, 24 May 2012

Gamma attenuation in Pb from 252Cf

Also there are some from [math]\alpha[/math] decay.

Taking the worst scenario:

[math]\mu = 0.07\ cm^2/g \times 11.35\ g/cm^3 = 0.80\ cm^{-1}[/math]

@@ Line 1: / Line 1: @@
-[https://wiki.iac.isu.edu/index.php/Roman_calculation go back]
+[https://wiki.iac.isu.edu/index.php/Roman_calculation Go Back]
+=Gamma attenuation in Pb from 252Cf=
+* We have 0.87 MeV gammas from SF of 252CF  [http://hps.org/publicinformation/ate/q6333.html characteristics of the radiations from 252Cf].
+Also there are some from <math>\alpha</math> decay.
+* From [http://www.flickr.com/photos/mitopencourseware/3776093624/]
+[[File:Pb mass attenuation constant.jpg]]
+Taking the worst scenario:
+ <math>\mu = 0.07\ cm^2/g \times 11.35\ g/cm^3 = 0.80\ cm^{-1}</math>
+* <math>I = I_0\ \exp{(-\mu x)}</math>
+[[File:Pb gamma attenuation.png]]