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Título

The (K-, p) reaction on nuclei with in-flight kaons

AutorOset, Eulogi ; Yamagata-Sekihara, J. ; Hirenzaki, S.; Magas, Volodymyr K.; Ramos, Àngels
Palabras clave(K-, p) reaction
Antikaon optical potential
Deeply bound antikaon states
Fecha de publicación1-abr-2010
EditorElsevier
CitaciónNuclear Physics - Section A 835 (1-4): 382-385 (2010)
ResumenWe perform a theoretical study of the spectrum of protons with kinetic energies of around 600 MeV, emitted following the interaction of 1 GeV/c kaons with nuclei. A recent experimental analysis of this (K-, p) reaction on C-12, based on the dominant quasielastic process, has suggested a deeply attractive kaon nucleus potential. Our Monte Carlo simulation considers, in addition, the one-and two-nucleon K- absorption processes producing hyperons that decay into pi N pairs. We find that this kaon in-flight reaction is not well suited to determine the kaon optical potential due, essentially, to the limited sensitivity of the cross section to its strength, and also to unavoidable uncertainties from the coincidence requirement applied in the experiment. A shallow kaon nucleus optical potential obtained in chiral models is perfectly compatible with the observed spectrum.
Descripción10th International Conference on Hypernuclear and Strange Particle Physics. Tokai, JAPAN, SEP 14-18, 2009
Versión del editorhttp://dx.doi.org/10.1016/j.nuclphysa.2010.01.224
URIhttp://hdl.handle.net/10261/24195
DOI10.1016/j.nuclphysa.2010.01.224
ISSN0375-9474
Aparece en las colecciones: (IFIC) Comunicaciones congresos
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