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Phys. Rev. C 61, 014001 (1999) [9 pages]

Inclusive K+ and exclusive K+Y photoproduction on the deuteron: Λ- and Σ-threshold phenomena

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H. Yamamura and K. Miyagawa
Department of Applied Physics, Okayama University of Science, 1-1 Ridai-cho, Okayama 700, Japan

T. Mart
Jurusan, Fisika, FMIPA, Universitas Indonesia, Depok 16424, Indonesia

C. Bennhold and H. Haberzettl
Center for Nuclear Studies, Department of Physics, The George Washington University, Washington, D.C. 20052

W. Glöckle
Institut für Theoretische Physik II, Ruhr-Universität Bochum, D-44780 Bochum, Germany

Received 19 July 1999; published 1 December 1999

Inclusive K+ and exclusive K+Y photoproduction on the deuteron are investigated theoretically. Modern hyperon-nucleon forces and a recently updated kaon photoproduction operator for the γ+N→K++Y process are used. Sizable effects of the hyperon-nucleon final state interaction are found near the K+ΛN and K+ΣN thresholds in the inclusive reaction. Angular distributions for the exclusive process show clear YN final state interaction effects in certain kinematic regions. Precise data especially for the inclusive process around the K+ΣN threshold would help to clarify the strength and property of the ΛN-ΣN interaction.


©1999 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevC.61.014001
DOI: 10.1103/PhysRevC.61.014001
PACS: 25.20.Lj, 13.75.Ev, 13.60.Le, 21.45.+v

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