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Total branching ratio of the K-two-nucleon absorption in 12C
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This work is a critical re-analysis of the results obtained by the AMADEUS
collaboration, concerning the measurement of the K− multi-nucleon absorption
reactions, on a 12C target, in the Λp final state. We show that a good estimate of
the K− two-nucleon absorption total branching ratio can be extracted, given that
the measured final state interactions and conversion reactions contain information on
almost all the remaining hyperon-nucleon final state combinations.
The total branching ratio of the K− two-nucleon absorption in Carbon is found to be (16±3(stat.)+4−5(syst.))%, which is in agreement with recent theoretical predictions.
The missing contribution from those few channels for which a Λp pair can not be detected in the final state of the interaction is also estimated
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GRANDE, Raffaele del, PISCICCHIA, Kristian, CARGNELLI, Michael, CURCEANU, Catalina, FABBIETTI, Laura, MARTON, Johann, MOSKAL, Pawol, RAMOS GÓMEZ, Àngels, SCORDO, Alessandro, SIRGHI, D., SKURZOK, Magdalena, VÁZQUEZ DOCE, Otton, WYCECH, Sławomir, ZMESKAL, Johann, DE LEO, V., MANDAGLIO, G., MARTINI, M., DEL RIO, E.p., SELCE, A., SILARSKI, Michal. Total branching ratio of the K-two-nucleon absorption in 12C. _Physica Scripta_. 2020. Vol. 95, núm. 8. [consulta: 23 de gener de 2026]. ISSN: 0031-8949. [Disponible a: https://hdl.handle.net/2445/219353]