Abstract
Existing data on the cross section at the center-of-mass energy above 2.6 GeV are fitted with a sum of resonant and continuum contributions. Two solutions for the resonance production cross section are found with a significance of . Data on the cross section are used to resolve the ambiguity and to further constrain the values of the cross section and the interference phase. They are found to be and , respectively. The same fitting procedure for the resonance leads to the upper limit on the cross section at the 90% confidence level.
- Received 19 July 2015
DOI:https://doi.org/10.1103/PhysRevD.92.054024
© 2015 American Physical Society