Tetra-quarks, penta-quarks and the like: old and new views
Giancarlo Rossi, Gabriele Veneziano
TL;DR
This paper reviews the history and recent perspectives on tetra-quarks and penta-quarks, proposing a unified QCD interpretation using a 40-year-old string junction model that encompasses mesons, baryons, and multi-quark states.
Contribution
It introduces a novel interpretation of exotic hadrons within the string junction framework, unifying various multi-quark states under a single QCD-based model.
Findings
Historical overview of tetra- and penta-quark discoveries
Proposal of a string junction model for multi-quark states
Unified description of mesons, baryons, and exotic hadrons
Abstract
In this talk, after a short overview of the history of the discovery of tetra-quarks and penta-quarks, we will discuss a possible interpretation of such states in the framework of a 40-years-old "string junction" picture that allows a unified QCD description of ordinary mesons and baryons as well as multi-quark resonances.
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