# Question: Theoretically the tumor killing efficiency of particle beams is much

Theoretically, the tumor- killing efficiency of particle beams is much greater than that of a beam of X- rays or gamma rays. Explain why this is true.

## Answer to relevant Questions

A Rutherford scattering experiment is performed on a gold foil target with alpha beams of two different kinetic energies, one of 3.00MeV, the second of 6.00 MeV. Qualitatively compare the distance of closest approach (rmin) ...A lead-209 nucleus results from both alpha–beta sequential decays and beta–alpha sequential decays. What was the grandparent nucleus? Show this result for both decay routes by writing the nuclear equations for both ...The half-life of a radioactive isotope is known to be exactly 1 h. (a) What fraction of a sample would be left after exactly 3 h: (1) one-third, (2) one-eighth, or (3) one-ninth? (b) What fraction of a sample would be left ...(a) What is the decay constant of fluorine-17 if its half-life is known to be 66.0 s? (b) How long will it take for the activity of a sample of 17F to decrease to of its initial value? (c) Repeat part (b), but instead ...The total binding energy of 21H is 2.224 MeV. Use this information to compute the mass (in u) of a 2H nucleus from the known mass of the proton and the neutron.Post your question