Experimental study of the 12c(kstopped-, π0)λ12B reaction

M. W. Ahmed, X. Cui, A. Empl, E. V. Hungerford, K. J. Lan, M. Youn, R. E. Chrien, R. Gill, P. Pile, A. Rusek, R. Sutter, J. Bjoraker, D. Dehnhard, J. M. O'Donnell, J. Gerald, H. Juengst, J. H. Liu, J. C. Peng, C. L. Morris, C. M. RiedelH. A. Thiessen, D. Androic, I. Bertovic, M. Furic, T. Petkovic, M. Planinic, L. Tang, V. Zeps

Research output: Contribution to journalArticle

Abstract

The (Kstopped-, π0) strangeness and charge changing reaction was investigated by producing a λ12B hypernucleus from a carbon target, The branching ratio for K- capture to the ground and p-shell states of this hypernucleus was found to be (0.28±0.08) ×10-3 and (0.35±0.09) ×10-3, respectively, which after correction for isospin was lower than a previously measured value for the 12C(Kstopped-, π-) λ12C reaction, but still above the theoretical predictions for the ground state. The experiment obtained a missing-mass resolution comparable to in-flight reactions, however the higher background and lower selectivity of the Kstopped- reaction limits its usefulness in the study of new hypernuclear species.

Original languageEnglish (US)
Article number064004
Pages (from-to)640041-6400413
Number of pages5760373
JournalPhysical Review C - Nuclear Physics
Volume68
Issue number6
StatePublished - Dec 2003

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Ahmed, M. W., Cui, X., Empl, A., Hungerford, E. V., Lan, K. J., Youn, M., Chrien, R. E., Gill, R., Pile, P., Rusek, A., Sutter, R., Bjoraker, J., Dehnhard, D., O'Donnell, J. M., Gerald, J., Juengst, H., Liu, J. H., Peng, J. C., Morris, C. L., ... Zeps, V. (2003). Experimental study of the 12c(kstopped-, π0)λ12B reaction. Physical Review C - Nuclear Physics, 68(6), 640041-6400413. [064004].