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 with center-of-mass energy compared to the transverse component, even in the ideal longitudinal boost-invariant scenario with nonfluctuating initial state, and that it can be measured by taking advantage of its quadrupole structure in the transverse momentum plane. In the ideal longitudinal boost-invariant scenario, the polarization is proportional to the gradient of temperature at the hadronization and its measurement can provide important information about the cooling rate of the quark-gluon plasma around the critical temperature.
Collective Longitudinal Polarization in Relativistic Heavy-Ion Collisions at Very High Energy / Becattini, F.; Karpenko, I. u.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 120:(2018), pp. 0-0. [10.1103/PhysRevLett.120.012302]
Collective Longitudinal Polarization in Relativistic Heavy-Ion Collisions at Very High Energy
Becattini, F.
;
2018
Abstract
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 with center-of-mass energy compared to the transverse component, even in the ideal longitudinal boost-invariant scenario with nonfluctuating initial state, and that it can be measured by taking advantage of its quadrupole structure in the transverse momentum plane. In the ideal longitudinal boost-invariant scenario, the polarization is proportional to the gradient of temperature at the hadronization and its measurement can provide important information about the cooling rate of the quark-gluon plasma around the critical temperature.File | Dimensione | Formato | |
---|---|---|---|
PhysRevLett.120.012302.pdf
Accesso chiuso
Tipologia:
Pdf editoriale (Version of record)
Licenza:
Tutti i diritti riservati
Dimensione
325.57 kB
Formato
Adobe PDF
|
325.57 kB | Adobe PDF | Richiedi una copia |
I documenti in FLORE sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.