The K- p Charge Exchange and Elastic Scattering Reactions at 4.2-GeV/c

The Amsterdam-CERN-Nijmegen-Oxford collaboration Marzano, F. ; Toet, D.Z. ; Gavillet, P. ; et al.
Phys.Lett.B 68 (1977) 292, 1977.
Inspire Record 119361 DOI 10.17182/hepdata.48927

In this letter results are presented on the reactions K − p → K 0 n and K − p → K − p from a high statistics CERN 2-metre hydrogen bubble chamber exposure at 4.15 GeV/ c . The behaviour of the differential cross section as a function of four-momentum transfer shows remarkable similarities between the two reactions studied. From a comparison of our data with K + p elastic scattering at 4.27 GeV/ c we draw some conclusions concerning the magnitude of the contributing amplitudes.

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Channel cross-sections of k- p reactions from 1.26 to 1.84 gev/c

de Bellefon, A. ; Berthon, A. ; Rangan, L.K. ; et al.
Nuovo Cim.A 7 (1972) 567-583, 1972.
Inspire Record 78277 DOI 10.17182/hepdata.37482

We present the results on total channel cross-sections obtained in the Saclay 180 l HBC exposed to a separated K− beam at Nimrod. The cross-sections for each channel are given at 13 incident K− momenta between 1.26 and 1.84 GeV/c.

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KAON SCATTERING AND CHARGED SIGMA HYPERON PRODUCTION IN K- P INTERACTIONS BELOW 300-MEV/C

Ciborowski, J. ; Gwizdz, J. ; Kielczewska, D. ; et al.
J.Phys.G 8 (1982) 13-32, 1982.
Inspire Record 179889 DOI 10.17182/hepdata.38531

In an experiment on K--proton interactions in a hydrogen bubble chamber, the cross sections and angular distributions have been studied for elastic and charge-exchange scattering, and charged sigma hyperon production in the momentum range 90-300 MeV/c. Good agreement is found with previous cross sections except for the charge-exchange channel where the new values are 60% larger. The production distributions of the charged sigma hyperons and the polarisation of the Sigma + hyperon clearly indicate that P waves are present down to about 150 MeV/c, much lower than previously reported.

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Measurement of K- p Elastic Differential Cross-Sections Between 610-MeV/c and 943-MeV/c

Adams, C.J. ; Davies, J.D. ; Dowell, J.D. ; et al.
Nucl.Phys.B 96 (1975) 54-66, 1975.
Inspire Record 2402 DOI 10.17182/hepdata.31930

Measurements of K − p elastic scattering have been carried out at 14 momenta between 610 MeV/ c and 943 MeV/ c over the angular range −0.9 < cos θ < 0.9. The results agree well with the best existing data and have significantly smaller errors.

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DIFFERENTIAL CROSS SECTION AT 0 DEG CALCULATED FROM DISPERSION RELATIONS AND AT 180 DEG INTERPOLATED FROM BUBBLE CHAMBER MEASUREMENTS.

LEGENDRE POLYNOMIAL FIT, INCLUDING FORWARD AND BACKWARD POINTS.

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K- n Elastic Scattering Between 610-MeV/c and 840-MeV/c

Damerell, C.J.S. ; Hotchkiss, M.J. ; Wickens, F. ; et al.
Nucl.Phys.B 129 (1977) 397-414, 1977.
Inspire Record 126184 DOI 10.17182/hepdata.35225

Elastik K − n ( I = 1) differential cross sections have been measured at 14 momenta between 610 and 940 MeV/ c , over the c.m. angular range −0.7 < cos θ ∗ < 0.8 . The results, which cover the c.m. energy range 1610–1765 MeV, have been fitted with Legendre polynomials and compared with some existing predictions from a partial-wave analysis.

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Measurement of the Ratio Between the Real and the Imaginary Part of the K- p Forward Scattering Amplitude at 14.3-GeV/c

De Boer, R.J. ; Van Dam, Piet ; Meijer, R.W. ; et al.
Nucl.Phys.B 106 (1976) 125-135, 1976.
Inspire Record 113577 DOI 10.17182/hepdata.35923

Elastic scattering of 14.3 GeV/ c K − with protons has been analyzed in the | t | region between 0.005 and 0.550 (GeV/ c ) 2 . The ratio α between the real and the imaginary part of the elastic forward scattering amplitude is found to be α =+0.056 ± 0.052. The slope parameters A and B in the expression d σ /d| t | ∞ exp( At + Bt 2 ) are A = 8.47 ± 0.20 (GeV/ c ) −2 and B = 1.82 ± 0.52 (GeV/ c ) −4 .

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Axis error includes +- 0.05/0.05 contribution.

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