Experimental study of the 12C(K-stopped, pi0)12Blambda reaction

Ahmed, M. W. and Cui, X. and Empl, A. and Hungerford, E. V. and Lan, K. J. and Youn, M. and Chrien, R. E. and Gill, R. and Pile, P. and Rusek, A. and Sutter, R. and Bjoraker, J. and Dehnhard, D. and O'Donnell, J. M. and Gerald, J. and Juengst, H. and Liu, J. H. and Peng, J. C. and Morris, C. L. and Riedel, C. M. and Thiessen, H. A. and Androić, Darko and Bertović, Igor and Furić, Miroslav and Petković, Tomislav and Planinić, Mirko and Tang, L. and Zeps, V. (2003) Experimental study of the 12C(K-stopped, pi0)12Blambda reaction. Physical Review C, 68 (6). pp. 64004-13. ISSN 0556-2813

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The (K-stopped, pi0) strangeness and charge changing reaction was investigated by producing a 12Blambda 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)x10-3 and (0.35 +- 0.09)x10-3, respectively, which after correction for isospin was lower than a previously measured value for the 12C(K-stopped, pi-)12Clambda 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 K-stopped reaction limits its usefulness in experimental study of the 12C(K-stopped, pi0)12Blambda reaction.

Item Type: Article
Keywords: nuclei with mass number 6 to 19 ; kaon-nucleus reactions ; pion production ; hypernuclei
Date: December 2003
Subjects: NATURAL SCIENCES > Physics
Additional Information: Copyright (2003) by the American Physical Society.
Divisions: Faculty of Science > Department of Physics
Project code: 0036056
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 23 May 2014 10:36
Last Modified: 23 May 2014 10:36
URI: http://digre.pmf.unizg.hr/id/eprint/1639

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