A Study of the Reactions $K^- p \to \Lambda \pi^0$, $\Lambda \eta$, $\Lambda \eta^\prime$ at 8.25-{GeV}/$c$ Incident $K^-$ Momentum

The Birmingham-CERN-Glasgow-Michigan State-Paris collaboration Al-Harran, S. ; Baubillier, M. ; Bloodworth, I.J. ; et al.
Nucl.Phys.B 183 (1981) 269-294, 1981.
Inspire Record 155276 DOI 10.17182/hepdata.34295

Differential cross sections and polarizations are presented for the reactions K − p → Λπ 0 , Λη , Λη ′ at 8.25 GeV/ c incident K − momentum. The data, which come from a high statistics experiment in the CERN 2 m bubble chamber, are compared with previous experimental results on the same reactions and with current theoretical ideas.

11 data tables

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A Study of Inclusive $\Lambda$, $\Sigma^0$ and $\Sigma(1385)$ Production in $K^- p$ Interactions at 8.25-{GeV}/$c$

The Birmingham-CERN-Glasgow-Michigan State-Paris collaboration Baubillier, M ; Bloodworth, I.J ; Bossen, G.J ; et al.
Nucl.Phys.B 148 (1979) 18-40, 1979.
Inspire Record 132295 DOI 10.17182/hepdata.8128

Inclusive Λ production has been studied in K − p interactions at 8.25 GeV/ c using about 69 000 events; the total cross section is found to be 3.35 ± 0.20 mb. A comparison has been made with Σ 0 and Σ(1385) inclusive production. Their influence on the inclusive Λ production is discussed. The inclusive Λ cross section and polarization is interpreted in terms of the triple-Regge model. In the target fragmentation region an effective Regge trajectory is determined which lies closer to the K than to the K ∗ . In the beam fragmentation region the cross-section data indicate an effective Regge trajectory which corresponds to the nucleon, while the polarization data require additional Regge exchanges to be present.

8 data tables

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