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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/129744
K− multi-nucleon absorption cross sections and branching ratios in Λp and Σ0p final states
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The determination of low-energy cross sections and branching ratios of the K− multi-nucleon absorption processes in Λp and Σ0p final states performed by the AMADEUS collaboration is presented. Low momentum K− (pK≃ 127 MeV/c) produced at the DAΦNE collider are impinged on a Carbon target within the KLOE detector and the two and three nucleon absorption processes are disentangled by comparing the experimental data to phenomenological calculations. The Λp spectra are entirely interpreted in terms of K− multi-nucleon absorption processes; the possible contribution of a K−pp bound state is demonstrated to overlap with the two nucleon capture process, its absolute yield thus resulting indistinguishable.
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GRANDE, R. del, et al. K− multi-nucleon absorption cross sections and branching ratios in Λp and Σ0p final states. European Physical Journal C. 2019. Vol. 79, num. 190, pags. 190. ISSN 1434-6044. [consulted: 12 of June of 2026]. Available at: https://hdl.handle.net/2445/129744