New Data on K- p --> omega Lambda from 1.934-GeV/c to 2.516-GeV/c and Partial Wave Analyses from Threshold Up to 2436-MeV CMS Energy

Baccari, B. ; Poulard, G. ; Revel, D. ; et al.
Nuovo Cim.A 41 (1977) 96, 1977.
Inspire Record 110575 DOI 10.17182/hepdata.37595

We present the results of a bubble chamber study of the pure-isospinI = 0 reaction K−p → ωΛ at 7 incident momenta between 1.934 and 2.516 GeV/c. An energy-dependent partial-wave analysis in the c.m. energy range (2070 ÷ 2436) MeV including these new data confirms the coupling of theG7 Λ(2100) to this channel and yields evidence for the existence of a new resonant stateD3or P3 Λ(2325). A semi-energy-independent partial-wave analysis is also carried out, by means of all available data from the threshold of the K−p → ωΛ reaction up to 2436 MeV. This supplies clear and unambiguous evidence for the contribution of the knownP3 Λ(1860) and of the above-proposedD3 Λ(2325) to the ωΛ channel.

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