from the first website in message 11
Generally speaking, the target nucleus of the radioisotope(s) to be treated is irradiated by gamma photons of an energy greater than the binding energy of the neutron in the target nucleus. This causes the irradiated nucleus to absorb the gamma rays, thereby placing the nucleus in an excited state. Upon relaxation, the nucleus ejects a neutron through the (gamma, n) reaction, thereby transmuting the element to an isotope of lower atomic mass and shorter half-life.
Using U238 as the source, this process would result in U237, half life of 6.75 days, a beta emitter which becomes Np237 an alpha emitter with a half life of 2.14E6 years (2,140,000) This doesn't accelerate the decay any where near what would be needed to reduce the age of the sun from 5 billion years to 13000 years. As for the same procedure on the infant sun, the only isotopes at this time would have been H1, H2, H3, He3 & He4. Doing the same procedure would produce
: from H1 a neutron which emits a beta to rebecomes H1
H2 becomes H1 stable, H3 becomes H2 stable, He3 becomes He2 Beta plus emiier becomes H2 stable, He4 becomes He3 stable. The only radioactive isitope created is He3 from the almost nonexistant He3 Thus no accelleration of radioactive decay. Figures from Handbook of Chemistry and Physics, edition 87, 2006
Edited by bluescat48, : spelling
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