Global polarization in heavy-ion collisions based on the axial vortical effect
Global polarization of Lambda and (Lambda) over bar is calculated based on the axial vortical effect (AVE). Simulations are performed within the three-fluid dynamics model. Equations of state with a deconfinement transition result in a good agreement with STAR data for both Lambda and (Lambda) over...
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| Veröffentlicht in: | Physical review. C 2020-10, Vol.102 (4), Article 044904 |
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| container_title | Physical review. C |
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| creator | Ivanov, Yu B. |
| description | Global polarization of Lambda and (Lambda) over bar is calculated based on the axial vortical effect (AVE). Simulations are performed within the three-fluid dynamics model. Equations of state with a deconfinement transition result in a good agreement with STAR data for both Lambda and (Lambda) over bar polarization, in particular, with the Lambda-(Lambda) over bar splitting. Suppression of the gravitational-anomaly contribution required for the data reproduction is in agreement with predictions of the QCD lattice simulations. Predictions for the global polarization in forthcoming experiments at lower collision energies are made. These forthcoming data will provide a critical test for the AVE and thermodynamic mechanisms of the polarization. |
| doi_str_mv | 10.1103/PhysRevC.102.044904 |
| format | Article |
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C</title><addtitle>PHYS REV C</addtitle><description>Global polarization of Lambda and (Lambda) over bar is calculated based on the axial vortical effect (AVE). Simulations are performed within the three-fluid dynamics model. Equations of state with a deconfinement transition result in a good agreement with STAR data for both Lambda and (Lambda) over bar polarization, in particular, with the Lambda-(Lambda) over bar splitting. Suppression of the gravitational-anomaly contribution required for the data reproduction is in agreement with predictions of the QCD lattice simulations. Predictions for the global polarization in forthcoming experiments at lower collision energies are made. 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Suppression of the gravitational-anomaly contribution required for the data reproduction is in agreement with predictions of the QCD lattice simulations. Predictions for the global polarization in forthcoming experiments at lower collision energies are made. These forthcoming data will provide a critical test for the AVE and thermodynamic mechanisms of the polarization.</abstract><cop>COLLEGE PK</cop><pub>Amer Physical Soc</pub><doi>10.1103/PhysRevC.102.044904</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0003-0654-1919</orcidid></addata></record> |
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| ispartof | Physical review. C, 2020-10, Vol.102 (4), Article 044904 |
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| language | eng |
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| source | American Physical Society Journals; Web of Science - Science Citation Index Expanded - 2020<img src="https://exlibris-pub.s3.amazonaws.com/fromwos-v2.jpg" /> |
| subjects | Physical Sciences Physics Physics, Nuclear Science & Technology |
| title | Global polarization in heavy-ion collisions based on the axial vortical effect |
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