Ross, R.T.
K- P --> K*(892)- P
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Partial Wave Analysis of $\bar{K} N \to \bar{K}^* N$ Between 1830-{MeV} and 2170-{MeV} Center-of-mass Energy Including New Data Below 1960-{MeV}

The Rutherford-London collaboration Cameron, W. ; Franek, B. ; Gopal, G.P. ; et al.
Nucl.Phys.B 146 (1978) 327-367, 1978.
Inspire Record 131336 DOI 10.17182/hepdata.34833

We present data for the single-pion production final states K 0 π − p, K − π 0 p and K − π + n from K − p interactions at 11 c.m. energies between 1775 and 1957 MeV. Using the K 0 π − p events the branching ratio (K s 0 → π + π − /K s 0 → all) has been determined to be 0.657 ± 0.011. New values have also been determined for the masses and widths of the K ∗0 (890) and the K ∗− (8990). These give a value of 1.5 ± 1.5 MeV for the electromagnetic mass splitting of the K ∗ . Differential cross sections and the spin-density matrix elements have been extracted for the reactions K − p → K ∗− p and K − p → K ∗0 n . An energy dependent partial-wave analysis of the K ∗ N channel from threshold up to 2170 MeV c.m. energy has been carried out yielding values for 17 resonant amplitudes for the expected Y ∗ 's and a new resonance, the S01(2030).

11 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Partial Wave Analysis of K- p --> pi0 Lambda (1520) Between 1710-MeV and 2170-MeV Center-of-Mass Energy Including New Data Between 1775-MeV and 1960-MeV

The Rutherford-London collaboration Cameron, W. ; Franek, B. ; Gopal, G.P. ; et al.
Nucl.Phys.B 131 (1977) 399, 1977.
Inspire Record 120444 DOI 10.17182/hepdata.35192

We present extracted data for the pure I = 1 π 0 Λ (1520) channel from the reaction K − p → K − p π 0 at 11 incident momenta between 0.96 and 1.355 GeV/ c (1775 to 1960 MeV c.m. energy). A partial-wave analysis of this channel has been carried out over a broad c.m. energy range from 1710 to 2170 MeV using data at 27 momenta from this and earlier experiments. The 5 2 − Σ(1775) and built7 2 + Σ(2030) resonances are found to decay strongly to this channel. Amplitudes are also obtained for less dominant and less well-established resonances.

5 data tables
Table 1

THESE CROSS SECTIONS ARE GIVEN IN TABLE 1B OF W. CAMERON ET AL., NP B146, 327 (1978).

Table 2

LEGENDRE POLYNOMIAL COEFFICIENTS FOR ANGULAR DISTRIBUTION OF CROSS SECTION.

Table 3

LEGENDRE POLYNOMIAL COEFFICIENTS FOR ANGULAR DISTRIBUTION OF DENSITY MATRIX ELEMENT RHO(MM=33,XYZ=SH).

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Study of the reaction k- p ---> anti-k n pi at 4.2 gev/c

Tiecke, H.G.J M. ; Crijns, F.J.G H. ; Heinen, P.M. ; et al.
Nucl.Phys.B 39 (1972) 596-615, 1972.
Inspire Record 75240 DOI 10.17182/hepdata.32931

Results are presented on effective-mass distributions, differentisl cross sections and longitudinal c.m. momentum distributions for the channels K − p → K − p π o , K o p π − and K − π + n , obtained from a sample of approximately 28 000 inelastic two-pronged interactions at 4.2 GeV/ c incident momentum. The results are in satisfactory agreement with the prediction of a generalized Veneziano-model corrected for (non-dual) π -and pomeron exchange. For the channel K − pπ o pomeron exchange contributes about 20% of the cross section. In the channel K − π + n the dual, pion and pomeron contributions are responsible for resp. 15%, 65% and 20% of the total cross section.

5 data tables
Table 1

BREIT-WIGNER FITS.

Table 2

MEASURED OFF GRAPH.

Table 3

MEASURED OFF GRAPH.

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