Phenomenological study of the anisotropic quark matter in the two-flavor Nambu–Jona–Lasinio model

Zhang, He-Xia; Xiao, Yu-Xin; Kang, Jin-Wen; Zhang, Ben-Wei 张本威

doi:10.1007/s41365-022-01129-4

Cited by 8 publications

(2 citation statements)

References 117 publications

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“…The shear and bulk viscosities are important properties that significantly affect the dynamical expansion of QGP and the momentum distribution of final-state hadrons, as indicated by relativistic fluid dynamics simulations [68][69][70][71]. In solving the inverse problem of HICs, it was found that the effects of viscosity are entangled with the initial thermalization time, the EoS of QGP, and the phase transition between QGP and HRG.…”

Section: Shear and Bulk Viscositiesmentioning

confidence: 99%

High-energy nuclear physics meets machine learning

Pang

et al. 2023

NUCL SCI TECH

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Although seemingly disparate, high-energy nuclear physics (HENP) and machine learning (ML) have begun to merge in the last few years, yielding interesting results. It is worthy to raise the profile of utilizing this novel mindset from ML in HENP, to help interested readers see the breadth of activities around this intersection. The aim of this mini-review is to inform the community of the current status and present an overview of the application of ML to HENP. From different aspects and using examples, we examine how scientific questions involving HENP can be answered using ML.

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Section: Shear and Bulk Viscositiesmentioning

confidence: 99%

High-energy nuclear physics meets machine learning

Pang

et al. 2023

NUCL SCI TECH

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“…OŽ šé%-E¥Ü©f÷ N; Äþ••(−ŷ) 4zÇ"' §ZyÑOEþnØÚ¢ óŠéù ˜rƒpŠ^XÚ¥ g^-µ^ÍÜÅ› †4z?1•[-ïÄ [13][14][15][16][17][18][19][20][21][22][23] "2017 -2019c §RHIC-STAR ¢ 3Au + Aušé%-E¥uy Ng^4zy- §¿ƒUÿþ 7.7 -200 AGeVéEUþ‰OES…”

Section: ƒéø-Lf-e¥unclassified

The direct flow of charged particles and the global polarization of hyperons in 200 AGeV Au+Au collisions at RHIC

Jiang¹,

Wu²,

Yu³

et al. 2023

Acta Phys. Sin.

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In non-central relativistic heavy-ion collisions, the non-colliding nucleons drag the colliding nucleons along the longitudinal direction asymmetrically, producing a longitudinally tilted quark-gluon plasma (QGP) fireball. Meanwhile, these colliding nuclei deposit a huge initial orbital angular momentum into the system, leading to the polarization of partons inside the QGP along the direction of the total angular momentum. Based on the optical Glauber model, we develop a 3-dimensional initial condition of the tilted QGP. By combining it with the (3+1)-dimensional viscous hydrodynamic model CLVisc, we investigate the directed flow of charged hadrons and the global polarization of $\Lambda/\bar{\Lambda}$ hyperons in heavy-ion collisions. Our calculation indicates that the combination of a tilted initial condition of the QGP and the hydrodynamic model can provide a satisfactory description of the directed flow and global polarization observed at RHIC-STAR. This offers a theoretical baseline for using these observables to further constrain the initial geometry and kinematic properties of the nuclear matter created in heavy-ion collisions.

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