Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 80, Issue 11, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-020-08654-9
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Funding
- Australian Research Council [DP170100708]
- European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie Grant [722104 - MCnetITN3]
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Motivated by recent theoretical arguments that expanding strings can be regarded as having a temperature that is inversely proportional to the proper time, tau, we investigate the consequences of adding a term proportional to 1/tau to the string tension in the Lund string-hadronization model. The lattice value for the tension, kappa 0 similar to 0.18 GeV2 similar to 0.9 GeV/fm, is then interpreted as the late-time/equilibrium limit. A generic prediction of this type of model is that early string breaks should be associated with higher strangeness (and baryon) fractions and higher fragmentation p perpendicular to values. It should be possible to use archival ee data sets to provide model-independent constraints on this type of scenario, and we propose a few simple key measurements to do so.
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