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Bulk viscosity transport coefficients in neutron star mergers
/ Yang, Yumu (Illinois U., Urbana) ; Hippert, Mauricio (Illinois U., Urbana) ; Speranza, Enrico (CERN) ; Noronha, Jorge (Illinois U., Urbana)
We compute first and second-order bulk-viscous transport properties due to weak-interaction processes in $npe$ matter in the neutrino transparent regime. The transport coefficients characterize the out-of-beta-equilibrium pressure corrections, which depend on the weak-interaction rates and the equation of state. [...]
arXiv:2312.09364.-
2024 - 4 p.
- Published in : EPJ Web Conf.: 296 (2024) , pp. 03003
Fulltext: 2312.09364 - PDF; document - PDF;
In : 30th Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2023), Houston, Texas, United States of America, 3 - 9 Sep 2023, pp.03003
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A new causal and stable theory of viscous chiral hydrodynamics
/ Abboud, Nick (Illinois U., Urbana) ; Speranza, Enrico (CERN) ; Noronha, Jorge (Illinois U., Urbana)
We construct the general theory of first-order relativistic hydrodynamics for a fluid exhibiting a chiral anomaly, including all possible viscous terms allowed by symmetry. Using standard techniques, we compute the necessary and sufficient conditions for this theory to be relativistically causal in the nonlinear regime and for thermal equilibria to be linearly stable. [...]
arXiv:2312.09805.-
2024 - 4 p.
- Published in : EPJ Web Conf.: 296 (2024) , pp. 04006
Fulltext: 2312.09805 - PDF; document - PDF;
In : 30th Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2023), Houston, Texas, United States of America, 3 - 9 Sep 2023, pp.04006
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Causality Bounds on Dissipative General-Relativistic Magnetohydrodynamics
/ Cordeiro, Ian (Illinois U., Urbana (main)) ; Speranza, Enrico (CERN ; Illinois U., Urbana (main)) ; Ingles, Kevin (Illinois U., Urbana (main)) ; Bemfica, Fábio S. (Rio Grande do Norte U.) ; Noronha, Jorge (Illinois U., Urbana (main))
We derive necessary and sufficient conditions under which a large class of relativistic generalizations of Braginskii's magnetohydrodynamics with shear, bulk, and heat diffusion effects is causal and strongly hyperbolic in the fully nonlinear regime in curved spacetime. We find that causality severely constrains the size of nonideal effects and the onset of kinetic instabilities. [...]
arXiv:2312.09970.-
2024-08-29 - 16 p.
- Published in : Phys. Rev. Lett. 133 (2024) 091401
Fulltext: PDF;
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5.
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The unexpected uses of a bowling pin: anisotropic flow in fixed-target $^{208}$Pb+$^{20}$Ne collisions as a probe of quark-gluon plasma
/ Giacalone, Giuliano (U. Heidelberg, ITP) ; Zhao, Wenbin (LBNL, NSD ; UC, Berkeley) ; Bally, Benjamin (IRFU, Saclay) ; Shen, Shihang (IAS, Julich) ; Duguet, Thomas (IRFU, Saclay ; KU Leuven, Dept. Phys. Astron.) ; Ebran, Jean-Paul (CEA DAM ; U. Paris-Saclay) ; Elhatisari, Serdar (Gaziantep U.) ; Frosini, Mikael (CEA Cadarache) ; Lähde, Timo A. (Julich, Forschungszentrum ; IAS, Julich ; JCHP, Julich ; JARA, Aachen) ; Lee, Dean (Michigan State U.) et al.
The System for Measuring Overlap with Gas (SMOG2) at the LHCb detector enables the study of fixed-target ion-ion collisions at relativistic energies ($\sqrt{s_{\rm NN}}\sim100$ GeV in the centre-of-mass). [...]
arXiv:2405.20210.
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12 p.
Fulltext
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The unexpected uses of a bowling pin: exploiting $^{20}$Ne isotopes for precision characterizations of collectivity in small systems
/ Giacalone, Giuliano (U. Heidelberg, ITP) ; Bally, Benjamin (IRFU, Saclay) ; Nijs, Govert (CERN) ; Shen, Shihang (IAS, Julich) ; Duguet, Thomas (IRFU, Saclay ; Leuven U.) ; Ebran, Jean-Paul (CEA DAM ; U. Paris-Saclay) ; Elhatisari, Serdar (Gaziantep U. ; Bonn U., HISKP ; U. Bonn, Phys. Inst., BCTP) ; Frosini, Mikael (CEA Cadarache) ; Lähde, Timo A. (IAS, Julich ; JCHP, Julich ; Unlisted, DE) ; Lee, Dean (Michigan State U.) et al.
Whether or not femto-scale droplets of quark-gluon plasma (QGP) are formed in so-called small systems at high-energy colliders is a pressing question in the phenomenology of the strong interaction. [...]
arXiv:2402.05995 ; CERN-TH-2024-021.
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17 p.
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8.
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Hot QCD White Paper
/ Arslandok, M. (Yale U.) ; Bass, S.A. (Duke U.) ; Baty, A.A. (Rice U.) ; Bautista, I. (Puebla U., Inst. Fis.) ; Beattie, C. (Yale U.) ; Becattini, F. (Florence U.) ; Bellwied, R. (Houston U.) ; Berdnikov, Y. (St. Petersburg Polytechnic Inst.) ; Berdnikov, A. (St. Petersburg Polytechnic Inst.) ; Bielcik, J. (Prague, Tech. U.) et al.
Hot QCD physics studies the nuclear strong force under extreme temperature and densities. [...]
arXiv:2303.17254.
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190.
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The present and future of QCD
/ Achenbach, P. (Jefferson Lab) ; Adhikari, D. (Virginia Tech.) ; Afanasev, A. (George Washington U. ; Jefferson Lab) ; Afzal, F. (Bonn U., HISKP ; Bonn U.) ; Aidala, C.A. (Michigan U.) ; Al-bataineh, A. (Jordan U. Sci. Tech. ; Yarmouk U. ; Kansas U.) ; Almaalol, D.K. (Illinois U., Urbana ; Illinois U., Urbana (main)) ; Amaryan, M. (Old Dominion U. ; Old Dominion U. (main)) ; Androić, D. (Zagreb U.) ; Armstrong, W.R. (Argonne ; Argonne, PHY) et al.
This White Paper presents the community inputs and scientific conclusions from the Hot and Cold QCD Town Meeting that took place September 23-25, 2022 at MIT, as part of the Nuclear Science Advisory Committee (NSAC) 2023 Long Range Planning process. A total of 424 physicists registered for the meeting. [...]
arXiv:2303.02579; JLAB-PHY-23-3808.-
2024-04-15 - 111 p.
- Published in : Nucl. Phys. A 1047 (2024) 122874
Fulltext: 2303.02579 - PDF; Publication - PDF; External link: JLab Document Server
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Imaging the initial condition of heavy-ion collisions and nuclear structure across the nuclide chart
/ Jia, Jiangyong (Stony Brook U.) ; Giacalone, Giuliano (U. Heidelberg, ITP) ; Bally, Benjamin (IRFU, Saclay) ; Brandenburg, James Daniel (Brookhaven Natl. Lab.) ; Heinz, Ulrich (Ohio State U.) ; Huang, Shengli (Stony Brook U.) ; Lee, Dean (Michigan State U.) ; Lee, Yen-Jie (MIT) ; Loizides, Constantin (Oak Ridge) ; Li, Wei (Rice U.) et al.
High-energy nuclear collisions encompass three key stages: the structure of the colliding nuclei informed by low-energy nuclear physics, the initial condition (IC) leading to the formation of quark-gluon plasma (QGP), and the hydrodynamic expansion and hadronization of the QGP leading to final-state hadrons observed experimentally. Recent advances in experimental and theoretical methods have ushered in a precision era, enabling an increasingly accurate understanding of these stages. [...]
arXiv:2209.11042.-
2024-12-11 - 25 p.
- Published in : Nucl. Sci. Tech.
Fulltext: 2209.11042 - PDF; document - PDF;
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