$B^0-\overline{B^0}$ mixing in the $U(1{)}_X$SSM

Xing-Yu Han, Shu-Min Zhao, Xi Wang +5

$U(1{)}_X$SSM is a non-universal Abelian extension of the Minimal Supersymmetric Standard Model (MSSM) and its local gauge group is extended to $SU(3)_C\times SU(2)_L \times U(1)_Y\t…