Strong fragmentation of low-energy electromagnetic excitation strength in ${}^{117}$Sn

V. Yu. Ponomarev, J. Bryssinck, L. Govor +14

Results of nuclear resonance fluorescence experiments on ${}^{117}$Sn are reported. More than 50 $\gamma$ transitions with $E_{\gamma }<4$ MeV were detected indicating a strong fragmentation of…