Mass and pole residue of Yb(10890) state with JPC = 1−− at finite temperature
Type :
Conference paper
Publication Status :
Published
Access :
restrictedAccess
Abstract
The status of the hidden beauty state Y-b is not clear up to now. The deviations from the expected behavior can provide a clue to consider it as an exotic meson candidate. Assuming the Y-b resonance as a tetraquark, we estimated its mass and pole residue, both at vacuum and T not equal 0 temperatures by calculating hot-medium contributions to hadronic parameters in the framework of Thermal QCD sum rules. Our results depict that the mass and pole residue values decrease dramatically at the vicinity of a critical temperature. Comparison of our results with the recent experimental data and theoretical results might be helpful in understanding the internal structure of bottomonium-like Y-b state.
Source :
AIP Conference Proceedings
Date :
2019
Volume :
2075
Publisher :
AIP Publishing
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