Rules Definition and 502 Threads

  1. grady

    Undergrad nuclear physics; spin parity rules

    Chapter 3 #17 (Krane) The spin-parity of 9Be and 9B are both 3/2-. Assuming in both cases that the spin and parity are characteristic only of the odd nucleon, show how it is possible to obtain the observed spin-parity of 10B(3+). What other spin-parity combinations could also appear? (These...
  2. Q

    News War Is Defunct. Psychology rules.

    There is so much psychological warfare these days... long before there is any real fighting. Often that's all that's needed to tip the scale in favor of an aggressor or liberator. Their intended target gives into the reasoning of the perpetrator. The actual war may never happen. The leaflets...