Study of a mixed quark-hadron phase in heavy-ion collisions (NICA project)

1
Strong Magnetic Fields in HIC
V. Toneev In collaboration with E.
Bratkovskaya, W. Cassing, V.
Konchakovski, S. Voloshin V. Voronyuk
? Lecture 1. Collective Properties of Heavy Ion
Collisions within Non-equilibrium Dynamics ?
Lecture 2. Evolution of the Electromagnetic Field
in HIC and Chiral Magnetic Effect
August 28 - September 8, 2012, Dubna, Helmholtz
International SchoolDense Matter in Heavy-Ion
Collisions and Astrophysics
2
Lecture 1. Collective Properties of Heavy Ion
Collisions within Non-equilibrium Dynamics

• ? Parton Hadron-String Dynamics Model
• ? Flows in Heavy Ion Collisions from AGS to RHIC
  energy range

3
Parton-Hadron String Dynamics Goul and main
ingredients
4
(No Transcript)
5
The dynamical quasiparticle model (DQPM)
Entropy density in the quasiparticle limit
Bose and Fermi distribution functions
Quasiparticle propogators
Self energies
6
Off-shell elements in the DQPM
7
(No Transcript)
8
(No Transcript)
9
Thermodynamics gt transport approach
Parton density (DQPM)
10
Boltzmann equation -gt off-shell transport
see D.Voskresenskys lectures
11
PHSD hadronization
12
PHSD hadronization
13
Hadronization details
14
PHSD - summarizing
15
(No Transcript)
16
Expanding fireball
17
Global obsrvables rapidity spectra of p-, K and
K- at SPS
18
Transverse momentum spectra at SPS
19
Rapidity spectra at RHIC
20
Transverse mass spectra at RHIC
21
Flow harmonics
Almond-like interaction zone ?
pressure gradient gt spatial asymmetry is
converted to an asymmetry in momentum space gt
collective flow
Direct flow
Elliptic flow
22
(No Transcript)
23
(No Transcript)
24
Event plane angle fluctuation
AuAu (200 GeV) b10 fm
Distribution of odd harmonics is practically
flat in 0lt?nlt2p/n even harmonics are picked at
zero. There is no tilting effect due to EM
field
V.Konchakovski et al., PR C85, 044922 (2012)
25
V.Konchakovski et al., PR C85, 044922 (2012)
26
Time evolution of vn (early time formation)
V.Konchakovski et al., PR C85, 044922 (2012)
27
V.Konchakovski et al., PR C85, 044922 (2012)
28
universal scaling approximately works in PHSD
but fails in hydrodynamics
V.Konchakovski et al., PR C85, 044922 (2012)
29
Scaling in pseudo-rapidity
Longitudinal scaling approximately works in PHSD
V.Konchakovski et al., PR C85, 044922 (2012)
30
V.Konchakovski et al., PR C85, 044922 (2012)
31
V.Konchakovski et al., PR C85, 044922 (2012)
32
Not compatible with ideal hydrodynamics and very
sensitive to the microscopic dynamics
V.Konchakovski et al., PR C85, 044922 (2012)
33
(No Transcript)
34
A. Peshier, W. Cassing, PRL 94, 172301 (2005)