In reply to Eric Walker's message of Thu, 3 Dec 2015 23:41:26 -0600: Hi, [snip] >On Thu, Dec 3, 2015 at 10:39 PM, <[email protected]> wrote: > >For elements heavier than Fe/Ni, alpha capture is endothermic, which implies >> that it could only happen if fast alphas are available. >> > >Here is what my script is telling me about that: > >4He + 110Pd => gamma + 114Cd + 4108 keV >4He + 108Pd => gamma + 112Cd + 3476 keV >4He + 107Pd => gamma + 111Cd + 3306 keV >4He + 106Pd => gamma + 110Cd + 2866 keV >4He + 104Pd => gamma + 108Cd + 2283 keV >4He + 102Pd => gamma + 106Cd + 1626 keV > >Am I doing something wrong?
Yes, you are surprising me! ;) I guess there are some exceptions. :) However try this for the reactions that Iwamura reported. >Furthermore, only a tiny fraction of fast alphas would actually undergo a >> reaction. > > >This kind of thing leads me to wonder about an enhanced alpha capture cross >section. > >Eric Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html
