Hannah Elfner
YOU?
Author Swipe
View article: Bayesian inference analysis of jet quenching using inclusive jet and hadron suppression measurements
Bayesian inference analysis of jet quenching using inclusive jet and hadron suppression measurements Open
The Collaboration reports a new determination of the jet transport parameter q̂ in the quark-gluon plasma (QGP) using Bayesian inference, incorporating all available inclusive hadron and jet yield suppression data measured in heavy-ion coll…
View article: Three-dimensional magnetohydrodynamics simulations of relativistic heavy-ion collisions with a black-hole accretion code adapted for quark-gluon plasma (BHAC-QGP). I. Methods and tests
Three-dimensional magnetohydrodynamics simulations of relativistic heavy-ion collisions with a black-hole accretion code adapted for quark-gluon plasma (BHAC-QGP). I. Methods and tests Open
We present , a new numerical code to simulate the evolution of matter created in heavy-ion collisions in the presence of electromagnetic fields. It is derived from the Black Hole Accretion Code (), which has been designed to model astrophy…
View article: Three-dimensional magnetohydrodynamics simulations of relativistic heavy-ion collisions with a black-hole accretion code adapted for quark-gluon plasma (BHAC-QGP). II. Application to Au-Au collisions
Three-dimensional magnetohydrodynamics simulations of relativistic heavy-ion collisions with a black-hole accretion code adapted for quark-gluon plasma (BHAC-QGP). II. Application to Au-Au collisions Open
We present , a numerical code to simulate the evolution of matter created in heavy-ion collisions. is based on the Black Hole Accretion Code (), which has been designed to model astrophysical processes through the solution of the equations…
View article: Flow and equation of state of nuclear matter at $${\varvec{E_\textrm{kin}/A=0.25}}$$–1.5 GeV with the SMASH transport approach
Flow and equation of state of nuclear matter at $${\varvec{E_\textrm{kin}/A=0.25}}$$–1.5 GeV with the SMASH transport approach Open
We present a comparison of directed and elliptic flow data by the FOPI collaboration in Au–Au, Xe–CsI, and Ni–Ni collisions at beam kinetic energies from 0.25 to 1.5 GeV per nucleon to simulations using the SMASH hadronic transport model. …
View article: SMASH as an event generator for heavy-ion collisions
SMASH as an event generator for heavy-ion collisions Open
In this article we present an overview of the SMASH hadronic transport approach that is applied for non-equilibrium dynamics of hadrons in heavy-ion collisions. We will give an overview about the ingredients of the approach and the applica…
View article: Hard jet substructure in a multistage approach
Hard jet substructure in a multistage approach Open
We present predictions and postdictions for a wide variety of hard jet-substructure observables using a multistage model within the framework. The details of the multistage model and the various parameter choices are described in []. A nov…
View article: SMASH as an event generator for heavy-ion collisions
SMASH as an event generator for heavy-ion collisions Open
In this article we present an overview of the SMASH hadronic transport approach that is applied for non-equilibrium dynamics of hadrons in \heavyion\ collisions. We will give an overview about the ingredients of the approach and the applic…
View article: Constraints on the Equation of State of Nuclear Matter from Systematically Comparing SMASH Calculations to HADES Data
Constraints on the Equation of State of Nuclear Matter from Systematically Comparing SMASH Calculations to HADES Data Open
We aim to constrain the equation of state of nuclear matter by comparing calculations with the SMASH transport model to directed and elliptic flow measurements for protons and deuterons performed by the HADES collaboration in a systematic …
View article: Deuteron, triton, helium-3 and hypertriton production in relativistic heavy-ion collisions via stochastic multi-particle reactions
Deuteron, triton, helium-3 and hypertriton production in relativistic heavy-ion collisions via stochastic multi-particle reactions Open
The production of light nuclei in heavy -ion collisions is an excellent probe for studying the phase diagram of quantum chromodynamics and for the search of a critical end point. In this work we apply a hybrid approach in which we study th…
View article: Distinguishing the sources of dielectron anisotropic flow at low beam energies
Distinguishing the sources of dielectron anisotropic flow at low beam energies Open
We present calculations of dielectron anisotropic flow in heavy-ion collisions at HADES beam energies from a hadronic transport approach. The ongoing experimental analysis employs the traditional reaction plane method to evaluate the flow …
View article: New metric improving Bayesian calibration of a multistage approach studying hadron and inclusive jet suppression
New metric improving Bayesian calibration of a multistage approach studying hadron and inclusive jet suppression Open
We study parton energy-momentum exchange with the quark gluon plasma (QGP) within a multistage approach composed of in-medium Dokshitzer-Gribov-Lipatov-Altarelli-Parisi evolution at high virtuality, and (linearized) Boltzmann transport for…
View article: Theoretical and experimental constraints for the equation of state of dense and hot matter
Theoretical and experimental constraints for the equation of state of dense and hot matter Open
This review aims at providing an extensive discussion of modern constraints relevant for dense and hot strongly interacting matter. It includes theoretical first-principle results from lattice and perturbative QCD, as well as chiral effect…
View article: Flow and Equation of State of nuclear matter at $\mathbf{E_{\mathrm{kin}}}$/A=0.25-1.5 GeV with the SMASH transport approach
Flow and Equation of State of nuclear matter at $\mathbf{E_{\mathrm{kin}}}$/A=0.25-1.5 GeV with the SMASH transport approach Open
We present a comparison of directed and elliptic flow data by the FOPI collaboration in Au--Au, Xe--CsI, and Ni--Ni collisions at beam kinetic energies from 0.25 to 1.5 GeV per nucleon to simulations using the SMASH hadronic transport mode…
View article: McDIPPER: A novel saturation-based <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>3</mml:mn><mml:mo>+</mml:mo><mml:mn>1</mml:mn><mml:mi mathvariant="normal">D</mml:mi></mml:mrow></mml:math> initial-state model for heavy ion collisions
McDIPPER: A novel saturation-based initial-state model for heavy ion collisions Open
We present a new three-dimensional resolved model for the initial state of ultrarelativistic heavy-ion collisions, based on the k⊥-factorized color glass condensate (CGC) hybrid approach. The framework responds to the need for a rapidity-r…
View article: Erratum: Out-of-equilibrium photon production in the late stages of relativistic heavy-ion collisions [Phys. Rev. C <b>105</b>, 044910 (2022)]
Erratum: Out-of-equilibrium photon production in the late stages of relativistic heavy-ion collisions [Phys. Rev. C <b>105</b>, 044910 (2022)] Open
Received 9 November 2023DOI:https://doi.org/10.1103/PhysRevC.109.049901Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintai…
View article: BHAC-QGP: three-dimensional MHD simulations of relativistic heavy-ion collisions, II. Application to Au-Au collisions
BHAC-QGP: three-dimensional MHD simulations of relativistic heavy-ion collisions, II. Application to Au-Au collisions Open
We present BHAC-QGP, a new numerical code to simulate the evolution of matter created in heavy-ion collisions. BHAC-QGP is based on the Black Hole Accretion Code (BHAC), which has been designed to model astrophysical processes through the …
View article: BHAC-QGP: three-dimensional MHD simulations of relativistic heavy-ion collisions, I. Methods and tests
BHAC-QGP: three-dimensional MHD simulations of relativistic heavy-ion collisions, I. Methods and tests Open
We present BHAC-QGP, a new numerical code to simulate the evolution of matter created in heavy-ion collisions in the presence of electromagnetic fields. It is derived from the Black Hole Accretion Code (BHAC), which has been designed to mo…
View article: A multistage framework for studying the evolution of jets and high-pT probes in small collision systems
A multistage framework for studying the evolution of jets and high-pT probes in small collision systems Open
Understanding the modification of jets and high-$p_T$ probes in small systems requires the integration of soft and hard physics. We present recent developments in extending the JETSCAPE framework to build an event generator, which includes…
View article: Photon momentum anisotropies from the late stages of relativistic heavy-ion collisions
Photon momentum anisotropies from the late stages of relativistic heavy-ion collisions Open
The photon emission from the late stages of the dynamical evolution of heavy-ion reactions at the highest RHIC and LHC energies is investigated. A comparison between a calculation from hadronic rates from a fluid dynamic evolution down to …
View article: Charge and energy deposition in the McDIPPER framework
Charge and energy deposition in the McDIPPER framework Open
In this short note we present aspects of the energy and charge deposition within the \McDIPPER, a novel 3D resolved model for the initial state of ultrarelativistic Heavy-Ion collisions based on the $k_\perp$-factorized Color Glass Condens…
View article: Dilepton anisotropy at low beam energies in a transport approach
Dilepton anisotropy at low beam energies in a transport approach Open
We present calculations of dielectron anisotropic flow in heavy-ion collisions at HADES beam energies from a hadronic transport approach. The collectivity of the electromagnetic radiation produced during the evolution of these collisions h…
View article: Hybrid Hadronization of Jet Showers from $e^++𝑒^−$ to $𝐴 + 𝐴$ with JETSCAPE
Hybrid Hadronization of Jet Showers from $e^++𝑒^−$ to $𝐴 + 𝐴$ with JETSCAPE Open
In this talk we review jet production in a large variety of collision systems using the JETSCAPE event generator and Hybrid Hadronization. Hybrid Hadronization combines quark recombination, applicable when distances between partons in phas…
View article: Multiscale evolution of heavy flavor in the QGP
Multiscale evolution of heavy flavor in the QGP Open
Shower development dynamics for a jet traveling through the quark-gluon plasma (QGP) is a multiscale process, where the heavy flavor mass is an important scale. During the high virtuality portion of the jet evolution in the QGP, emission o…
View article: Effects of multi-scale jet-medium interactions on jet substructures
Effects of multi-scale jet-medium interactions on jet substructures Open
We utilize event-by-event Monte Carlo simulations within the JETSCAPE framework to examine scale-dependent jet-medium interactions in heavy-ion collisions. The reduction in jet-medium interaction during the early high-virtuality stage, whe…
View article: Photon-triggered jets as probes of multi-stage jet modification
Photon-triggered jets as probes of multi-stage jet modification Open
Prompt photons are created in the early stages of heavy ion collisions and traverse the QGP medium without any interaction. Therefore, photon-triggered jets can be used to study the jet quenching in the QGP medium. In this work, photon-tri…
View article: Measuring jet quenching with a Bayesian inference analysis of hadron and jet data by JETSCAPE
Measuring jet quenching with a Bayesian inference analysis of hadron and jet data by JETSCAPE Open
The JETSCAPE Collaboration reports the first multi-messenger study of the QGP jet transport parameter $\hat{q}$ using Bayesian inference, incorporating all available hadron and jet inclusive yield and jet substructure data from RHIC and th…
View article: Global angular momentum generation in heavy-ion reactions within a hadronic transport approach
Global angular momentum generation in heavy-ion reactions within a hadronic transport approach Open
In this study, we utilize the SMASH transport model to explore the generation of global angular momentum in heavy-ion collisions. Our results corroborate previous models, highlighting a pronounced peak in angular momentum transfer during m…
View article: 3D Multi-system Bayesian Calibration with Energy Conservation to Study Rapidity-dependent Dynamics of Nuclear Collisions
3D Multi-system Bayesian Calibration with Energy Conservation to Study Rapidity-dependent Dynamics of Nuclear Collisions Open
Considerable information about the early-stage dynamics of heavy-ion collisions is encoded in the rapidity dependence of measurements. To leverage the large amount of experimental data, we perform a systematic analysis using three-dimensio…
View article: Role of initial transverse momentum in a hybrid approach
Role of initial transverse momentum in a hybrid approach Open
The purpose of this work is to study the effect of exchanging initial condition models in a modular hybrid approach. The focus lies on the event-by-event correlations of elliptic and triangular flow. This study is performed in the hybrid a…
View article: Momentum anisotropy generation in a hybrid approach
Momentum anisotropy generation in a hybrid approach Open
Anisotropic flow emerges in all three of hybrid approaches: initial conditions, viscous relativistic hydrodynamics as well as hadronic transport. Previous works focus mainly on a constant or temperature dependent shear viscosity $η/s$. Her…