Awaji, N.
K- P --> K- PI+ N
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Observation of the Leading $K^*$ L Excitation Series From $J P=1$- Through 5- in the Reaction $K^- p \to K^- \pi^+ n$ at 11 GeV/$c$

Aston, D. ; Awaji, N. ; D'Amore, J. ; et al.
Phys.Lett.B 180 (1986) 308, 1987.
Inspire Record 231083 DOI 10.17182/hepdata.6544

High statistics data for the reaction K − p→K − π + n at 11 GeV / c have been obtained in the LASS spectrometer at SLAC. A spherical harmonic moments analysis provides clear evidence for the production of the complete leading orbitally excited K ∗ series up through J P = 5 − . New measurements are made of the masses and widths of the 1 − K ∗ (892), 2 + K ∗ (1430 ), 3 − K ∗ (1780), and 4 + K ∗ (2060), and evidence is presented for the production of a new K ∗ state at 2382 MeV / c 2 with spin-parity 5 − .

21 data tables
Table 1

Unnormalised acceptance corrected spherical moments.

Table 2

Correlation matrices.

Table 3

Correlation matrices.

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Elastic scattering and single-pion production in k- p interactions at 5.5 gev/c

Engelmann, R. ; Musgrave, B. ; Schweingruber, F. ; et al.
Phys.Rev.D 5 (1972) 2162-2187, 1972.
Inspire Record 74221 DOI 10.17182/hepdata.22545

We present results of an analysis of two-prong events for elastic scattering and single-pion production in K−p interactions at 5.5 GeVc. The resonance parameters for the charged and neutral K*(890) and K*(1420) are determined and the observed production and decay properties of the charged and neutral K*(890) are compared with the theoretical predictions of an absorptive one-particle-exchange model and a Regge model. The K*(1420) differential cross section and density-matrix elements are presented and the question of whether more than one resonance exists in this mass range is considered. A search for resonance effects at Kπ mass beyond 1500 MeV is made. In particular, the recently reported state at 1800 MeV is discussed. A B5-model analysis of the reaction K−p→K¯0π−p is also presented.

13 data tables
Table 1

NORMALIZED TO SIG(K- P --> ANYTHING) OF 24.3 +- 0.8 MB.

Table 2

FORWARD CROSS SECTION OPTICAL POINT FROM TWO PARAMETER EXPONENTIAL FIT OVER 0.12 < -T < 0.68 GEV**2.

Table 3

No description provided.

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