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Abstract
The purpose of this research is to identify a single-Λ hypernucleus and its decay products which support to get more information about hyperon-nucleon interaction. Before performing the analysis of a single-Λ hypernucleus, first, we have deduced the density of emulsion by calibrating the range-energy relation using alpha decay events data from thorium series. It is very important for the mass reconstruction of hypernucleus events in nuclear emulsion. And we have reconstructed a single-Λ hypernucleus event by using the kinematical reconstruction for mesonic and non-mesonic decay modes. From the result of our analysis, we can uniquely identify that single-Λ hypernucleus is $ {}_\Lambda ^9 B $ and decay products are 4He,3He, proton and neutron.
Highlights
One of the main goals in hypernuclear physics is to understand the baryon-baryon interaction in a unified model
The thin plate is used as a tracker for the tracking of Ξ− particles and the thick plates are used as absorber for the production and analysis of hypernuclear events in emulsion
It is firstly captured to an atomic orbit in a highly excited level and transferred into lower orbits emitting Auger electrons and X-rays. It is completely absorbed by the nucleus and they form a double hypernucleus, one or two single-hypernuclei, or, if exists, the H-dibaryon
Summary
One of the main goals in hypernuclear physics is to understand the baryon-baryon interaction in a unified model. Nuclear emulsion experiment is one of the suitable methods for the detection of hypernuclear events. The thin plate is used as a tracker for the tracking of Ξ− particles and the thick plates are used as absorber for the production and analysis of hypernuclear events in emulsion.
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