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Related papers: Spin-Vorticity Coupling for Massive Vector Mesons

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We derive expressions for the vector and tensor components of the spin polarization of massive vector bosons at local thermodynamic equilibrium up to second order in the space-time gradients of the thermodynamic fields pertaining to the…

High Energy Physics - Phenomenology · Physics 2025-07-24 Zhong-Hua Zhang , Xu-Guang Huang , Francesco Becattini , Xin-Li Sheng

The polarization of $\Lambda$ hyperons from relativistic flow vorticity is studied in peripheral heavy ion reactions at FAIR and NICA energies, just above the threshold of the transition to the Quark-Gluon Plasma. Previous calculations at…

Nuclear Theory · Physics 2016-12-12 Y. L. Xie , M. Bleicher , H. Stöcker , D. J. Wang , L. P. Csernai

We investigate the role played by particular field representations of an intermediate massive spin-1 boson in the context of spin-dependent interparticle potentials between fermionic sources in the limit of low momentum transfer. The…

High Energy Physics - Theory · Physics 2016-07-26 F. A. Gomes Ferreira , P. C. Malta , L. P. R. Ospedal , J. A. Helayël-Neto

The entanglement of vortices in a two-dimensional Bose-Hubbard model with artificial gauge fields is investigated using the exact diagonalization techniques. We propose an effective Hamiltonian for the spin-spin interactions between…

Quantum Physics · Physics 2018-10-04 Li Dai , Lin Xia , Lin Zhuang , Wu-Ming Liu

The significant global spin alignment observed for $\phi$ mesons in heavy-ion collisions has sparked intense discussions about its origin and implications. One explanation suggests that fluctuations in the strong force field may introduce…

Nuclear Theory · Physics 2024-08-01 Diyu Shen , Jinhui Chen , Aihong Tang

We extend a previously constructed T-matrix approach to the quark-gluon plasma (QGP) to include the effects of spin-dependent interactions between partons. Following earlier work within the relativistic quark model, the spin-dependent…

High Energy Physics - Phenomenology · Physics 2023-08-10 Zhanduo Tang , Ralf Rapp

The non-relativistic `Dirac' equation of L\'evy-Leblond is used to describe a spin {\small 1/2} particle interacting with a Chern-Simons gauge field. Static, purely magnetic, self-dual spinor vortices are constructed. The solution can be…

High Energy Physics - Theory · Physics 2011-07-19 C. Duval , P. A. Horváthy , L. Palla

The observation of the vector meson's global spin alignment by the STAR Collaboration reveals that strong spin correlations may exist for quarks and antiquarks in relativistic heavy-ion collisions in the normal direction of the reaction…

High Energy Physics - Phenomenology · Physics 2024-02-27 Ji-peng Lv , Zi-han Yu , Zuo-tang Liang , Qun Wang , Xin-Nian Wang

The properties of a massive fermion field undergoing rigid rotation at finite temperature and chemical potential are discussed. The polarisation imbalance is taken into account by considering a helicity chemical potential, which is dual to…

Nuclear Theory · Physics 2020-08-11 Victor E. Ambrus

Due to larger mass and earlier production, heavy quark(quarkonium) can be sensitive probes to investigate the fast decaying electromagnetic and vortical fields produced in heavy-ion collisions. The non-relativistic Schroedinger-like…

Nuclear Theory · Physics 2022-02-16 Jiaxing Zhao , Shile Chen , Pengfei Zhuang

General relativistic quantum dynamics of twisted (vortex) Dirac particles is constructed. The Hamiltonian and equations of motion in the Foldy-Wouthuysen representation are derived for a twisted relativistic electron in arbitrary electric…

Classical Physics · Physics 2019-02-20 Alexander J. Silenko , Pengming Zhang , Liping Zou

We study the Bjorken x dependence of the virtual photon spin asymmetry in polarized deep inelastic scattering of electrons from hadrons. We use an exactly solved relativistic potential model of the hadron, treating the constituents as…

Nuclear Theory · Physics 2014-11-18 V. R. Pandharipande , M. W. Paris , I. Sick

Through the embedding of superconformal quantum mechanics into AdS space, it is possible to construct an effective supersymmetric QCD light-front Hamiltonian for hadrons, which includes a spin-spin interaction between the hadronic…

High Energy Physics - Phenomenology · Physics 2018-06-13 Marina Nielsen , Stanley J. Brodsky

We analyze the potential of the CERN Large Hadron Collider to study anomalous quartic vector--boson interactions through the production of vector--boson pairs accompanied by jets. In the framework of $SU(2)_L \otimes U(1)_Y$ chiral…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. S. Belyaev , O. J. P. Eboli , M. C. Gonzalez-Garcia , J. K. Mizukoshi , S. F. Novaes , I. Zacharov

We give a brief overview of recent theoretical and experimental results on the chiral magnetic effect and spin polarization effect in heavy-ion collisions. We present updated experimental results for the chiral magnetic effect and related…

High Energy Physics - Phenomenology · Physics 2020-08-05 Jian-Hua Gao , Guo-Liang Ma , Shi Pu , Qun Wang

A Hamiltonian formalism is employed to elucidate the effects of the Stern-Gerlach force on beams of relativistic spin-polarized particles, for passage through a localized region with a static magnetic or electric field gradient. The problem…

Accelerator Physics · Physics 2016-11-23 S. R. Mane

We revisit the azimuthal angle dependence of the local spin polarization of hyperons in heavy-ion collisions at 200 GeV in the framework of the (3+1)D viscous hydrodynamic model CLVisc. Two different initial conditions are considered in our…

Nuclear Theory · Physics 2019-11-06 Hong-Zhong Wu , Long-Gang Pang , Xu-Guang Huang , Qun Wang

Gluons inside an unpolarized proton are in general linearly polarized in the direction of their transverse momentum, rendering the LHC effectively a polarized gluon collider. This polarization can be utilized in the determination of the…

High Energy Physics - Phenomenology · Physics 2015-06-17 Wilco J. den Dunnen

Bayesian analyses in the context of relativistic heavy-ion collisions have so far relied almost exclusively on bulk hadronic observables constructed from momentum degrees of freedom to constrain the transport properties of the quark-gluon…

Nuclear Theory · Physics 2026-05-29 Sushant K. Singh , Eduardo Grossi , Francesco Becattini

We study the polarization of particles in relativistic heavy-ion collisions at very high energy along the beam direction within a relativistic hydrodynamic framework. We show that this component of the polarization decreases much slower…

Nuclear Theory · Physics 2018-01-17 F. Becattini , Iu. Karpenko