activity
20022026
most citedFluid dynamics with saturated minijet initial conditions in ultrarelativistic heavy-ion collisions

55 citations · 142 across the 12 of their papers we have counts for

collaborators

12 papers

hep-ph2026★ 1 cited

Neural network enhanced Bayesian global analysis of relativistic heavy ion collisions

Jussi Auvinen, Kari J. Eskola, Henry Hirvonen +1

We introduce a novel deep convolutional neural network (NN) -enhanced Bayesian global analysis of bulk observables in highest-energy heavy-ion collisions, using relativistic 2+1 D…

hep-ph2025

MC-EKRT: Monte Carlo event generator with saturated minijet production for initializing 3+1 D fluid dynamics in high energy nuclear collisions

Harri Niemi, Jussi Auvinen, Kari J. Eskola +3

We present a novel saturation and leading order collinear factorization based Monte-Carlo implementation of the EKRT model for computing QCD matter initial states in high-energy nu…

hep-ph2024

Effects of saturation and fluctuating hotspots for flow observables in ultrarelativistic heavy-ion collisions

Henry Hirvonen, Mikko Kuha, Jussi Auvinen +3

We investigate the effects of saturation dynamics on midrapidity flow observables by adding fluctuating hotspots into the novel Monte Carlo EKRT (MC-EKRT) event generator for high-…

hep-ph2024

MC-EKRT: Monte Carlo event generator with saturated minijet production for initializing 3+1 D fluid dynamics in high energy nuclear collisions

Mikko Kuha, Jussi Auvinen, Kari J. Eskola +3

We present a novel Monte-Carlo implementation of the EKRT model, MC-EKRT, for computing partonic initial states in high-energy nuclear collisions. Our new MC-EKRT event generator i…

hep-ph2024

Deep learning for flow observables in high energy heavy-ion collisions

H. Hirvonen, K. J. Eskola, H. Niemi

We demonstrate how deep convolutional neural networks can be trained to predict 2+1 D hydrodynamic simulation results for flow coefficients, mean-transverse-momentum and charged pa…

nucl-th2018★ 6 cited

Latest predictions from the EbyE NLO EKRT model

Harri Niemi, Kari J. Eskola, Risto Paatelainen +1

We present the latest results from the NLO pQCD + saturation + viscous hydrodynamics (EbyE NLO EKRT) model. The parameters in the EKRT saturation model are fixed by the charged had…

hep-ph2017★ 50 cited

Predictions for multiplicities and flow harmonics in 5.44 TeV Xe+Xe collisions at the CERN Large Hadron Collider

K. J. Eskola, H. Niemi, R. Paatelainen +1

We present the next-to-leading-order event-by-event EKRT model predictions for the centrality dependence of the charged hadron multiplicity in the pseudorapidity interval $|η|\le 0…

hep-ph2015★ 6 cited

Pinning down QCD-matter shear viscosity in A+A collisions via EbyE fluctuations using pQCD + saturation + hydrodynamics

H. Niemi, K. J. Eskola, R. Paatelainen +1

We compute the initial energy densities produced in ultrarelativistic heavy-ion collisions from NLO perturbative QCD using a saturation conjecture to control soft particle producti…

hep-ph2014

From minijet saturation to global observables in A + A collisions at the LHC and RHIC

R. Paatelainen, K. J. Eskola, H. Niemi +1

We review the recent results from the computation of saturated next-to-leading order perturbative QCD minijet intial conditions combined with viscous hydrodynamical evolution of ul…

hep-ph2014

Next-to-leading order improved perturbative QCD + saturation + hydrodynamics model for A+A collisions

R. Paatelainen, K. J. Eskola, H. Holopainen +2

We calculate initial conditions for the hydrodynamical evolution in ultrarelativistic heavy-ion collisions at the LHC and RHIC in an improved next-to-leading order perturbative QCD…

hep-ph2013★ 55 cited

Fluid dynamics with saturated minijet initial conditions in ultrarelativistic heavy-ion collisions

R. Paatelainen, K. J. Eskola, H. Niemi +1

Using next-to-leading order perturbative QCD and a conjecture of saturation to suppress the production of low-energy partons, we calculate the initial energy densities and formatio…

hep-ph2002★ 24 cited

Dependence of hadron spectra on decoupling temperature and resonance contributions

K. J. Eskola, H. Niemi, P. V. Ruuskanen +1

Using equilibrium hydrodynamics with initial conditions for the energy and net baryon number densities from the perturbative QCD + saturation model, a good simultaneous description…