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Title

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

AuthorsOset, Eulogi ; Yamagata-Sekihara, J. ; Hirenzaki, S.; Magas, Volodymyr K.; Ramos, Àngels
Keywords(K-, p) reaction
Antikaon optical potential
Deeply bound antikaon states
Issue Date1-Apr-2010
PublisherElsevier
CitationNuclear Physics - Section A 835 (1-4): 382-385 (2010)
AbstractWe 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.
Description10th International Conference on Hypernuclear and Strange Particle Physics. Tokai, JAPAN, SEP 14-18, 2009
Publisher version (URL)http://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
Appears in Collections:(IFIC) Comunicaciones congresos
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