https://doi.org/10.1140/epja/s10050-024-01261-2
Regular Article - Theoretical Physics
Non-zero temperature study of spin 1/2 charmed baryons using lattice gauge theory
1
Department of Physics, Swansea University, SA2 8PP, Swansea, UK
2
European Centre for Theoretical Studies in Nuclear Physics and Related Areas (ECT*) & Fondazione Bruno Kessler, Strada delle Tabarelle 286, 38123, Villazzano (TN), Italy
3
Quantum Field Theory Center & Danish IAS, Department of Mathematics and Computer Science, University of Southern Denmark, 5230, Odense M, Denmark
4
Department of Theoretical Physics and Hamilton Institute, National University of Ireland Maynooth, County Kildare, Ireland
5
School of Mathematics, Trinity College, Dublin, Ireland
Received:
11
September
2023
Accepted:
6
February
2024
Published online:
12
March
2024
We study the behaviour of spin 1/2 charmed baryons as the temperature increases. We make use of anisotropic lattice QCD simulations with 
dynamical flavours. After determining the positive and negative parity ground state masses at the lowest temperature, we investigate the effect of rising temperature using ratios of thermal lattice correlators with both so-called reconstructed correlators and with simple model correlators. This avoids difficulties associated with non-zero temperature fitting or spectral reconstruction. We find that temperature effects are prominent throughout the hadronic phase for all negative parity channels considered and for some positive parity channels. Subsequently and where possible, we determine the masses of the ground states as a function of temperature. Finally we consider the effect of chiral symmetry restoration and extract an estimate of the pseudocritical temperature from singly charmed baryonic correlators.
© The Author(s) 2024
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