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Proton Emission Off Nuclei Induced by Kaons in Flight by Magas, V. K.; Yamagata-Sekihara, J.; Hirenzaki, S.; Oset, E.; Ramos, A. is a scholarly article available to read on EtoBox.

What is Proton Emission Off Nuclei Induced by Kaons in Flight about?

We study the (K-,p) reaction on nuclei with a 1 GeV/c momentum kaon beam, paying a special attention at the region of emitted protons having kinetic energy above 600 MeV, which was used to claim a deeply attractive kaon nucleus optical potential. Our model describes the nuclear reaction in the framework of a local density approach and the calculations are performed following two different procedures: one is based on a many-body method using the Lindhard function and the other one is based on a Monte Carlo simulation. While both procedures coincide when it comes to consider the contribution of kaon quasi-elastic scattering, the simulation method offers more flexibility since it allows us to account for other processes which also contribute to the proton spectra, such as K- absorption by one and two nucleons producing hyperons. The simulation also considers final state interactions in terms of multiple scattering of the K-, p and all other primary and secondary particles on their way out of the nucleus, as well as the weak decay of the produced hyperons into (pi N). We find that this kaon in-flight reaction is not well suited to determine the kaon optical potential due, essentially,

Author

Magas, V. K.; Yamagata-Sekihara, J.; Hirenzaki, S.; Oset, E.; Ramos, A.

Published

2009

Language

EN