Production of S = -2 and -3 Baryon States in 6.5-{GeV}/$c K^- P$ Interactions

Hassall, J.K. ; Ansorge, R.E. ; Carter, J.R. ; et al.
Nucl.Phys.B 189 (1981) 397-420, 1981.
Inspire Record 172448 DOI 10.17182/hepdata.34253

We present results from a high statistics (46 events/μ;b) experiment on K − p interactions in the Argonne 12 foot bubble chamber. In particular we make a systematic search for Ξ ∗ resonances. We confirm recent evidence of a Ξ(2370), and see a number of other well established states. We also give cross sections for various exclusive and inclusive reactions, including those in which θ − are produced.

1 data table

THE PI0 ARE UNDETECTED.


MEASUREMENT OF POLARIZATION IN K- p ELASTIC SCATTERING BETWEEN 0.955-GeV/c AND 1.272-GeV/c

Bryant, H.C. ; Carter, A.A. ; Coupland, M. ; et al.
Nucl.Phys.B 168 (1980) 207-221, 1980.
Inspire Record 143628 DOI 10.17182/hepdata.34502

The polarization parameter has been measured for K − p elastic scattering at nine incident beam momenta between 0.955 and 1.272 GeV/ c covering the c.m. angular range −0.9 < cos θ ∗ < + 0.9 . Experimental results and coefficients of Legendre polynomial fits to the data are presented and compared with other measurements and a partial-wave analysis.

2 data tables

No description provided.

LEGENDRE POLYNOMIAL COEFFICIENTS FOR POLARIZATION DERIVED USING INTERPOLATED DIFFERENTIAL CROSS SECTION DATA OF B. CONFORTO ET AL., NP B105, 189 (1976).


Study of K* (1780) in the Reaction K- p --> K- pi+ n at 6-GeV/c

Chung, S.U. ; Etkin, A. ; Flaminio, V. ; et al.
Phys.Rev.Lett. 40 (1978) 355-358, 1978.
Inspire Record 122473 DOI 10.17182/hepdata.20913

We observe a K−π+ state at 1786 ± 8 MeV with a width 95 ± 31 MeV in the reaction K−p→K−π+n at 6 GeV/c, from an experiment carried out at the Brookhaven National Laboratory multiparticle spectrometer.

1 data table

ERROR INCLUDES SYSTEMATIC NORMALIZATION UNCERTAINTY.


Inclusive Production of $\pi^{\pm}$, $K^{\pm}$, $p$, $\bar{p}$ in High-Energy pp Collisions

Johnson, J.R. ; Kammerud, R. ; Ohsugi, T. ; et al.
Phys.Rev.Lett. 39 (1977) 1173-1176, 1977.
Inspire Record 121763 DOI 10.17182/hepdata.4502

We have measured the single-particle inclusive cross sections for p+p→π±+X, K±+X, p+X, p¯+X in the low-p⊥ region (≲ 1.5 GeV/c) as a function of the radial scaling variable XR in p−p collisions at 100, 200, and 400 GeV at Fermilab. The measured π+π− and K+K− ratios are shown to be remarkably similar to the same ratios which have recently been measured at large p⊥ at 90° in the center-of-mass system.

98 data tables

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Measurements of k+ p elastic scattering differential cross sections in the incident momentum range 1368 to 2259 mev/c

Barber, P.C. ; Broome, T.A. ; Busza, W. ; et al.
Nucl.Phys.B 61 (1973) 125-154, 1973.
Inspire Record 83885 DOI 10.17182/hepdata.32486

Measurements of complete angular distributions of elastic K + p scattering at closely spaced incident momenta from 1368 to 2259 MeV/ c are presented and discussed. A PDP-8 computer controlled system of scintillation counters and core-readout wire spark chambers was used for the detection of elastic events. Diffractive behaviour is already present at the lowest measured momentum and becomes more prominent as the incident momentum increases. An expansion of the angular distributions in terms of Legendre polynomials shows no marked structure of the expansion coefficients as functions of the incident momentum. Our measurements can be adequately described by a number of existing phase shift solutions within 5% of their published values. Also Regge pole extrapolations represent our data satisfactorily.

7 data tables

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