Abstract
We present the preliminary results of an exploratory study of heavy baryon spectroscopy, using the O(a)-improved fermionic action. Estimates of masses and splittings at the charm and beauty physical limit are reported.
Highlights
Significant experimental progress has been achieved in studying heavy baryon spectroscopy
The main contribution was made by the LHCb Collaboration
Λ0b → D0 pπ− was performed in the region of the phase space containing D0 p resonant contributions which revealed three Λc excited states and allowed to measure precisely their masses and decay widths [1]: the Λc (2880)+ with the preferred spin J = 5/2; the new state Λc (2860)+
Summary
Significant experimental progress has been achieved in studying heavy baryon spectroscopy. Many new heavy baryon states have been observed. Ground-state scalar and axial vector diquarks are considered for heavy baryons. The heavy baryon is considered as a bound state of a heavy-quark and light-diquark.
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