Spins of Certain Short-Lived Cu and Ag Isotopes

Spins of several short-lived isotopes of Cu and Ag have been measured by the atomic-beam method. Spin values are as follows: Cu⁶⁰, $I=2$; Cu⁶¹, I=3/2; 27-minute Ag¹⁰⁴, $I=2$; 24-minute Ag¹⁰⁶, $I=1$; and $I=2$ for a 1.2-hr Ag activity, the identity of which is not certain, but which may be attributed to Ag¹⁰² or Ag¹⁰⁴.