Two sharp structures at about 1200 MeV/c2 and 1400 MeV/c2 are observed in the pi+-pi--pi+-pi--system invariant mass in antiproton-He-4 annihilation at rest. No similar signals are seen in the corresponding antiproton-proton data. A similar observation has been made in the streamer chamber data.
Observation of structures in the four pion invariant mass in anti-proton He-4 annihilation at rest (Obelix data, PS201 experiment at LEAR)
MARGAGLIOTTI, GIACOMO;
1992-01-01
Abstract
Two sharp structures at about 1200 MeV/c2 and 1400 MeV/c2 are observed in the pi+-pi--pi+-pi--system invariant mass in antiproton-He-4 annihilation at rest. No similar signals are seen in the corresponding antiproton-proton data. A similar observation has been made in the streamer chamber data.File in questo prodotto:
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