What question did this study set out to answer?

The study aims to investigate hypernuclear formation and decay resulting from strangeness exchange reactions.

March 5, 2026Open Access

First Results on Hypernuclear Spectroscopy from the FINUDA Experiment at DAFNE

Key Points

The study aims to investigate hypernuclear formation and decay resulting from strangeness exchange reactions.
Conducted at DAΦNE, the e^+e^- , ϕ-factory
Utilized stopped K- from the decay of ϕ(1020) mesons
Analyzed hypernuclear formation and decay using the first FINUDA data set
Presented preliminary results on spectrometer performances
Identified hypernuclear formation and decay patterns from the data
Demonstrated the effectiveness of the employed experimental techniques

Abstract

FINUDA is the hypernuclear physics experiment carried out at DAΦNE, the e^+e^-, ϕ-factory of the INFN Frascati Laboratory. The aim of the experiment is to study simultaneously the formation and decay of hypernuclei produced by the strangeness exchange reaction induced by the stopped K^- coming from the decay of the ϕ (1020) mesons. This paper presents the first preliminary results concerning spectrometer performances, hypernuclear formation and decay from the first FINUDA data set.

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