Observation of Λ-hypernuclei in the reaction C12(π+,K+) CΛ12

C. Milner, M. Barlett, G. W. Hoffmann, S. Bart, R. E. Chrien, P. Pile, P. D. Barnes, G. B. Franklin, R. Grace, H. S. Plendl, J. F. Amann, T. S. Bhatia, T. Kozlowski, J. C. Peng, R. R. Silbar, H. A. Thiessen, C. Glashausser, J. A. McGill, R. Hackenburg, E. V. HungerfordR. L. Stearns

Research output: Contribution to journalArticlepeer-review

Abstract

The observation of Λ-hypernuclear levels in CΛ12 by associated production through the (π+,K+) reaction is reported. The CΛ12 excitation-energy spectra were recorded at laboratory scattering angles of 5.6°, 10.3°, and 15.2°. They show two major peaks-one attributed to the ground state, and one about 11 MeV higher. These results are compared to the strangeness-exchanging (K-,π-) reaction. The measured cross sections are compared to relativistic distorted-wave Born-approximation calculations.

Original languageEnglish (US)
Pages (from-to)1237-1240
Number of pages4
JournalPhysical review letters
Volume54
Issue number12
DOIs
StatePublished - 1985
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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