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 (Del Grande et al 2019 Eur. Phys. J. C 79, 190). 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 main contribution to the total branching ratio of the K− two-nucleon absorption in Carbon is extracted from the measured ratios and is found to be , which is in agreement with recent theoretical predictions. The missing contribution, from those few channels for which a Λp pair could not be detected in the final state of the interaction, is also estimated combining both the measured branching ratios and the available theoretical information, and amounts to . All together the total branching ratio of the K− two-nucleon absorption in Carbon is found to be

中文翻译：

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12C 中 K− 双核子吸收的总支化率

这项工作是对 AMADEUS 合作获得的结果的重要重新分析，涉及测量 K− 多核子吸收反应，在 12C 目标上，处于 Λp 最终状态（Del Grande 等人 2019 Eur. Phys. J. C 79, 190)。我们表明，考虑到测量的终态相互作用和转化反应包含几乎所有剩余超子 - 核子终态组合的信息，可以提取 K− 两核子吸收总分支比的良好估计。从测量的比率中提取对碳中 K- 两核子吸收的总支化比率的主要贡献，发现是 ，这与最近的理论预测一致。缺失的贡献，来自那些在交互的最终状态中无法检测到 Λp 对的少数通道，还结合测量的支化率和可用的理论信息估计，并且等于 。发现碳中 K− 两核子吸收的总支化比为