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arXiv · 2607.07143

Hints for string breaking in QCD

P. Cea·V. Chelnokov·L. Cosmai·A. Papa
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Abstract

We present results for the chromo-electric field generated by a static quark-antiquark pair at nearly zero temperature in lattice QCD with 2+1 dynamical staggered fermions at physical quark masses. We investigate the evolution of the flux-tube structure as the distance between the static color charges increases. We find hints that string breaking occurs at a distance in the range $0.963 \; \text{fm} \; \lesssim \; d^* \lesssim \; 1.156 \; \text{fm}$.

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P. Cea, V. Chelnokov, L. Cosmai, A. Papa. 2026-07-08. Hints for string breaking in QCD. https://arxiv.org/abs/2607.07143

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