The ground state of three quarks
C. Alexandrou (Univ. of Cyprus), Ph. de Forcrand (ETH Zurich, CERN), and O. Jahn (ETH Zurich)
TL;DR
This paper accurately measures the static three-quark potential in SU(3) lattice gauge theory, using advanced techniques and insights from Potts model simulations to evaluate different theoretical models.
Contribution
It introduces improved measurement methods and compares the Delta- and Y-ansätze for the three-quark potential using lattice gauge theory and Potts model insights.
Findings
Y-ansatz better describes the potential
Enhanced accuracy through variance reduction techniques
Insights from Potts model simulations support the results
Abstract
We measure the static three-quark potential in SU(3) lattice gauge theory with improved accuracy, by using all available technical refinements, including Luscher-Weisz exponential variance reduction. Together with insight gained from 3-state Potts model simulations, our results allow us to sort out the merits of the Delta- and Y-ansaetze.
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