Structures in K- Nucleon Total Cross-Sections Below 1.1-GeV/c

Carroll, A.S. ; Chiang, I.H. ; Kycia, T.F. ; et al.
Phys.Rev.Lett. 37 (1976) 806, 1976.
Inspire Record 112758 DOI 10.17182/hepdata.21041

Total cross sections of K−p and K−d have been measured between 410 and 1070 MeV/c with high statistical precision. In addition to the well known Λ(1520), Λ(1820), and Σ(1769), we confirmed the presence of the Λ(1692) and the Σ(1670). We have also observed several structures which could be Y* resonances: Λ(1646), Λ(1735), Σ(1583), Σ(1608), Σ(1633), and Σ(1715).

2 data tables

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Elastic, Charge Exchange, and Total K- p Cross-Sections in the Momentum Range 220-MeV/c to 470-MeV/c

Mast, Terry S. ; Alston-Garnjost, Margaret ; Bangerter, Roger O. ; et al.
Phys.Rev.D 14 (1976) 13, 1976.
Inspire Record 100579 DOI 10.17182/hepdata.24699

An analysis has been made of 64 600 events of the type K−p→K−p and 22 800 events of the type K−p→K¯0n in the Berkeley 25-in. hydrogen bubble chamber. Differential cross sections have been measured in intervals of 10 MeV/c over the momentum range 220 to 470 MeV/c. Legendre-polynomial fits to the distributions have been made, and the coefficients show structure from the resonant D-wave [Λ(1520)] and background S and P waves. No new structure is observed. The total K−p cross section determined from measurements of all final states seen in this exposure is also presented.

6 data tables

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