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Production of Lambda-Lambdabar pairs in e+e- annihilation

by Göran Fäldt (Uppsala universitet)

Thursday, 23 March 2017 from to (Europe/Stockholm)
at Å12167
I shall describe how one calculates  the cross-section distribution for e+e- annihilation into Lambda-Lambdabar pairs. The reaction is assumed to proceed via vector-meson intermediate states, exemplified by the photon and the J/Psi meson. The hyperons are detected indirectly through their N-pi weak decays.
Experiments of this kind are presently performed at BESIII where many physicists of our division are participating. I shall therefore try to make my presentation as clear and complete as possible.