Question: A neutral particle X 0 decays to two charged particles A + and B . The momentum components of the decay products in GeV/c are

A neutral particle X0decays to two charged particles A+and Bˆ’. The momentum components of the decay products in GeV/c are measured to be:

Pr Py P: A+ -0.488 -0.018 2.109 B- -0.255 -0.050 0.486

Is the decay K0S(498) †’ Ï€+Ï€ˆ’ or Λ(1116) †’ pÏ€ˆ’?

Pr Py P: A+ -0.488 -0.018 2.109 B- -0.255 -0.050 0.486

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