Study of the processes χcJ → Ξ−$$ \overline{\Xi} $$ + and Ξ0 $$ \overline{\Xi} $$0
Study of the processes χcJ → Ξ−$$ \overline{\Xi} $$ + and Ξ0 $$ \overline{\Xi} $$0
A bstract Using 448 . 1 × 10 6 ψ (3686) decays collected with the BESIII detector at the BEPCII e + e − storage rings, the branching fractions and angular distributions of the decays χ cJ → Ξ − $$ \overline{\Xi} $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mover> <mml:mi>Ξ</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> </mml:math> …