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 (see Ref. 1).
OBSERVATION OF STRUCTURES IN THE 4-PION INVARIANT MASS IN ANTIPROTON-HE-4 ANNIHILATION AT REST (OBELIX DATA, PS201 EXPERIMENT AT LEAR)
SANTI, Lorenzo Gianni;
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 (see Ref. 1).File in questo prodotto:
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