Abstract
The reaction has been studied at 3.7 using data from the LRL 72-in. hydrogen bubble chamber. An analysis of the Dalitz plot for ∼ 4000 events yields no evidence for states with isospin at the level of in intensity relative to the intensity. A similar analysis of ∼ 500 events produced in a kinematical region of known coherence yields no evidence for decays with at the 1% level in intensity relative to the mode. A significantly nonzero value of the charge asymmetry is observed (0.179 ± 0.051) for events produced opposite a (1236) in the narrow range [0.08 - 0.20 ]. We discuss four possible origins for the observed interfering amplitude, whose quantum assignments may be deduced as , : (1) violation in decay (which may be ruled out), (2) violation in decay, (3) a miscellaneous coherent background amplitude with these quantum numbers, and (4) a possible exotic resonant state with these quantum numbers.
- Received 12 April 1971
DOI:https://doi.org/10.1103/PhysRevD.4.653
©1971 American Physical Society