A quark-diquark baryon model
Elena Santopinto, Giuseppe Galat\`a
TL;DR
This paper introduces a quark-diquark model for baryons that aims to address the missing resonances problem by classifying baryonic states and calculating their spectrum using a mass formula aligned with Regge trajectories.
Contribution
It presents a novel quark-diquark framework for baryons, providing a complete classification and a spectrum calculation method based on a mass formula.
Findings
Successful classification of baryonic states
Spectrum reproduces rotational and vibrational Regge trajectories
Addresses the missing resonances problem
Abstract
A simple quark-diquark model for the baryons is constructed as a partial solution to the well known missing resonances problem. A complete classification of the baryonic states in the quark-diquark framework is given and the spectrum is calculated through a mass formula built to reproduce the rotational and vibrational Regge trajectories.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Pulsars and Gravitational Waves Research · Cold Atom Physics and Bose-Einstein Condensates