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This is a Experimental Study study.

October 12, 2025

Experimental overview on the charmed baryon decays

Key Points

Experimental knowledge of charmed baryons increased significantly after 2014 with focused data collection.
Weak decays of charmed baryons provide insights into the charm quark's interactions and role in particle physics.
Limited understanding of charmed baryons persisted for nearly 30 years before the resurgence of experimental research.
The discovery of J/ψ particle in 1975 marked the beginning of charm quark studies, paving the way for charmed baryon research.

Abstract

Abstract The charmed baryon was first observed experimentally in 1975, one year after the charm quark's confirmation via the discovery of the J/ψ particle. Studying charmed baryon decays provides a pathway to investigate both strong and weak interactions, leveraging the weak decays of the embedded charm quark. However, for approximately three decades following its discovery, experimental knowledge of charmed baryons remained significantly limited compared to those of the hidden-charm ψ mesons and open-charm D s + mesons. This situation changed markedly starting in 2014, when dedicated data collection for charmed baryons commenced at BESIII. In this article, we review the experimental progress achieved since 2014 in understanding the weak decays of the charmed baryons.

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Cite This Study

Li et al. (Fri,) studied this question.

synapsesocial.com/papers/68ebabe3155248a327effc50 https://doi.org/https://doi.org/10.1088/1674-1137/ae1187

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