Distorted-wave impulse-approximation evaluation of sum rule for hypernuclear formation in forward (K-, π-)

G. N. Epstein*, F. Tabakin, C. M. Vincent, A. Gal, L. S. Kisslinger

*Corresponding author for this work

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15 Scopus citations

Abstract

The summed hypernuclear formation cross section at O°in (K-, π-) reactions, for kaons of laboratory momentum pK=900 MeV/c, is evaluated within the distorted-wave impulse approximation using a non-energy-weighted sum rule obtained with the closure assumption. A detailed study of distortion effects results in agreement with eikonal estimates. Possible corrections to closure are mentioned. The final results are in strong disagreement with cross sections recently measured by Brückner et al. NUCLEAR REACTIONS (K-, π-); C12, Ca40 targets; K- lab momentum 900 MeV/c; calculated σ(0°) using sum rule; realistic K-, π- distortions.

Original languageEnglish
Pages (from-to)1501-1504
Number of pages4
JournalPhysical Review C - Nuclear Physics
Volume17
Issue number4
DOIs
StatePublished - 1978

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