In reply to Terry Blanton's message of Fri, 6 May 2011 07:53:43 -0400: Hi, [snip] >On Thu, May 5, 2011 at 11:22 PM, <mix...@bigpond.com> wrote: > >> Electron annihilation doesn't produce a 1.22 MeV photon. It produces two 511 >> keV >> photons (180 deg. apart). > >I knew that. What I should have said was 1.22 MeV of energy. Which >would also be wrong since the spin energy has to go somewhere. Where >does it go? > >T
I don't think free electrons have any spin, but I'm probably the only one who thinks so. :) Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html
