Diquark

In quark-diquark models, a diquark, or diquark correlation/clustering, is an hypothetical state of two quarks grouped inside a baryon (that consists of three quarks)^[1]. The diquark is often treated as a single particle with which the third quark interacts via the strong interaction. The existence of diquarks inside the nucleons is a disputed issue, but it helps to understand some nucleon properties and to reproduce experimental data sensitive to the nucleon structure. Diquark-antidiquark pairs have also been advanced for anomalous particles such as the X(3872).

Additional recommended knowledge

Recognize and detect the effects of electrostatic charges on your balance

Correct Test Weight Handling Guide: 12 Practical Tips

Don't let static charges disrupt your weighing accuracy

References and Additional Reading

• [1] Lichtenberg DB, Namgung W, Predazzi E, Wills JG, Baryon Masses In A Relativistic Quark-Diquark Model, Physical Review Letters 48 (24): 1653-1656 1982
• Rapp R, Schafer T, Shuryak E, et al. Diquark bose condensates in high density matter and instantons Physical Review Letters 81 (1): 53-56 JUL 6 1998