Glueball Spins in $D=3$ Yang-Mills

Abstract

We determine spins of more than 100 low lying glueball states in $D=2+1$ dimensional $SU(4)$ gluodynamics by a lattice calculation. We go up to $J=8$ in the spin value. We compare the resulting spectrum with predictions of the Axionic String Ansatz (ASA). We find a perfect match for 39 lightest states, corresponding to the first four string levels. In particular, this resolves tensions between the ASA predictions and earlier spin determinations. The observed spins of heavier glueballs are also in a good agreement with the ASA. We did not identify any sharp tension between lattice data and the ASA, but more work is needed to fully test the ASA predictions for the spins of 64 states at the fifth string level.

arXiv commentver2 : Inconsistency in table and figure color schemes fixed. Acknowledgement added. ver3 : Acknowledgement added. Minor typos fixed. Matches published version

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• Fine corrections in the effective string describing SU(2) Yang-Mills theory in three dimensions
• Classical Integrability of the Zigzag Model
• Confining strings in three-dimensional gauge theories beyond the Nambu--Gotō approximation
• 3D Yang-Mills Glueballs vs Closed Effective Strings