Gluelump spectrum from Coulomb gauge QCD
Peng Guo, Adam P. Szczepaniak, Giuseppe Galata, Andrea Vassallo, Elena, Santopinto
TL;DR
This paper calculates the energy spectrum of gluelumps in Coulomb gauge QCD, revealing the spin-parity ordering and its connection to non-abelian Coulomb interactions, advancing understanding of gluonic excitations.
Contribution
It provides the first detailed computation of gluelump spectra in Coulomb gauge QCD, highlighting the role of non-abelian interactions in level ordering.
Findings
Reproduces the nontrivial spin-parity level ordering.
Links level ordering to non-abelian Coulomb interactions.
Enhances understanding of gluonic excitations in QCD.
Abstract
We compute the energy spectrum of gluelumps defined as gluonic excitations bound to a localized, static octet source. We are able to reproduce the nontrivial ordering of the spin-parity levels and show how this is related to the non-abelian part of the Coulomb interaction between color charges.
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