Originally posted by mtthwok...what is the ratio of their activities then? What will happen to their mass after 5 half lives?
Unless I'm missing something obvious...
The half-life is dependent on the material. So the two samples have the same half-life.
In which case, the ratio of their activities does not change. After one half-life, A and B have both halved their activity.
Originally posted by RamnedI'd say no. An antibaryon consists of 3 antiquarks and a meson consists of a quark an an antiquark. This adds up to 1 quark and 4 antiquarks. A baryon consists of 3 quarks and thus an antibaryon and a meson cannot create one. But this is just a guess, dunno if there is some weird interaction that could cause a baryon.
Last Conceptual Question
[b]30. An antibaryon interacts with a meson. Can a baryon be produced through such an interaction? Explain.[/b]