Re: Am-Be source

[Ninni Jacob <njacob@gsosun1.gso.uri.edu>]

> Date: Fri, 23 Jan 1998 08:43:52 -0600 (CST)
> From: Mike McNaughton <mcnaught@lanl.gov>
> Reply-To: radsafe@romulus.ehs.uiuc.edu
> To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
> Subject: Re: Am-Be source
> 
> In addition to the gammas from Am, there is also a 4.4 MeV gamma from
> carbon-12. Alpha plus Be-9 goes to carbon-12 + neutron. The carbon-12 emits
> a 4.4 MeV gamma.
> 


Mike:
Carbon-12 does not emit a gamma, unless you mean the excited state of
Carbon-13.
But I dont think there is a gamma ray associated with that reaction.
I think the 4.4 MeV is divided between the neutron and the recoil nucleus.
(see Page 123 and 124 of Cember).
 

Ninni Jacob