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Theint, A. M. M.*; 江川 弘行; 吉田 純也; 他7名*
Progress of Theoretical and Experimental Physics (Internet), 2019(2), p.021D01_1 - 021D01_10, 2019/02
被引用回数:6 パーセンタイル:48.1(Physics, Multidisciplinary)In the E373 experiment at KEK-PS, we have located nearly stopping events of hyperon candidates in nuclear emulsion. Among them, the identification of hyperon was performed with Constant Sagitta (CS) method by measuring multiple Coulomb scattering for 695 clearly stopping events. With use of Geant4 simulation, the parameters for the CS method were optimised and we obtained the number of real stopping events to be with 3.2% systematic error. The trapping probabilities of two hyperons for light and heavy nuclei were found to be % and %, respectively. For at least one trapping, the probabilities were % and % for light and heavy nuclei. These results are the first time to present the trapping probabilities of hyperons via hyperon capture at rest in the emulsion.