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Aarts, Gert, Allton, Chris, Hands, Simon, Jager, Benjamin, Praki, Chrisanthi and Skullerud, Jon-Ivar (2015) Nucleons and parity doubling across the deconfinement transition. Physical Review D, 92 (014503). pp. 1-6. ISSN 1550-7998
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Abstract
It is expected that nucleons and their parity partners become degenerate when chiral symmetry is
restored. We investigate this question in the context of the thermal transition from the hadronic phase to the
quark-gluon plasma, using lattice QCD simulations with Nf ¼ 2 þ 1 flavors. We observe a clear sign of
parity doubling in the quark-gluon plasma. Besides, we find that the nucleon ground state is, within the
uncertainty, largely independent of the temperature, whereas temperature effects are substantial in the
negative-parity (N*) channel, already in the confined phase.
| Item Type: | Article |
|---|---|
| Keywords: | Nucleons; parity doubling; deconfinement transition; quark-gluon plasma; |
| Academic Unit: | Faculty of Science and Engineering > Mathematical Physics |
| Item ID: | 6293 |
| Identification Number: | 10.1103/PhysRevD.92.014503 |
| Depositing User: | Dr. Jonivar Skullerud |
| Date Deposited: | 18 Aug 2015 15:43 |
| Journal or Publication Title: | Physical Review D |
| Publisher: | American Physical Society |
| Refereed: | Yes |
| URI: | https://mural.maynoothuniversity.ie/id/eprint/6293 |
| Use Licence: | This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here |
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