Differential and Channel Cross-sections for the Reactions $K^0_L P \to K^0_S P$ and $K^0_L P \to \Lambda^0 \pi^+$ in the Center-of-mass Energy Range 1605-{MeV} to 1910-{MeV}

Corden, M.J. ; Cox, G.F. ; Kelsey, D.P. ; et al.
Nucl.Phys.B 155 (1979) 13-38, 1979.
Inspire Record 7734 DOI 10.17182/hepdata.34677

The differential and channel cross sections have been measured for the reactions K L 0 p → K S 0 p and K L 0 p → Λ 0 π + in nine energy intervals in the c.m. range 1605 to 1910 MeV. The regeneration reaction is a combination of the KN amplitudes (with I = 0 and 1) and the K N amplitude ( I = 1) and is very sensitive to the various KN phase-shift solutions, some of which show an exotic I = 0, P 1 resonance. Our results have been expressed in terms of frequency distributions and cross sections, normalised by the Λ 0 π + reaction. These results have been compared with the predictions of various partial-wave analyses. Qualitatively we can eliminate the P 1 non-resonant solution, though no solution correctly predicts our results.

22 data tables

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New Data on the Reaction K- n --> (Sigma pi)- and a Partial Wave Analysis of anti-K n --> Sigma pi in the Energy Range 1520-MeV-1745-MeV

Hepp, V. ; Braun, O. ; Grimm, H.J. ; et al.
Phys.Lett.B 65 (1976) 487-491, 1976.
Inspire Record 109742 DOI 10.17182/hepdata.27591

Differential cross sections for K − n → Σ o π o have been measured at K − momenta between 680 and 840 MeV/ c in a bubble chamber experiment. For K − n → Σ o π − the Σ o polarization was also determined. The measurements were combined with the available data on K − p → Σπ in an energy-dependent partial wave analysis in the center of mass energy range from 1520 to 1745 MeV. An acceptable fit was obtained with the well established resonances.

1 data table

FULL DETAILS OF THIS EXPERIMENT ARE IN V. HEPP ET AL., NP B115, 82 (1976), THE RECORD OF WHICH CONTAINS THE TABULATED TOTAL AND DIFFERENTIAL CROSS SECTIONS, POLARIZATIONS AND LEGENDRE POLYNOMIAL COEFFICIENTS.


A Study of K- n Interactions in the Center-Of-Mass Energy Range from 1.60-GeV to 1.75-GeV

Hepp, V. ; Braun, O. ; Grimm, H.J. ; et al.
Nucl.Phys.B 115 (1976) 82-113, 1976.
Inspire Record 113914 DOI 10.17182/hepdata.8493

We present results of a K − d experiment performed with the 81 cm Saclay deuterium bubble chamber which was exposed to a K − beam at 4 momenta between 680 and 840 MeV/ c at the CERN PS. Cross sections were measured for inelastic two- and three-body K − n reactions on the basis of 5200 events/mb. Resonance production in the three-body reactions is discussed. In addition, differential cross sections and polarisations are presented for inelastic two-body reactions.

59 data tables

CROSS SECTIONS FOR TWO-BODY REACTIONS.

CROSS SECTIONS FOR THREE-BODY REACTIONS.

CROSS SECTIONS FOR K- P REACTIONS.

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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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