Search Results - "ACHIM WIEDEMANN, Urs"

Analytic structure of nonhydrodynamic modes in kinetic theory by Kurkela, Aleksi, Wiedemann, Urs Achim

“…How physical systems approach hydrodynamic behavior is governed by the decay of nonhydrodynamic modes. Here, we start from a relativistic kinetic theory that…”
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Flow in AA and pA as an interplay of fluid-like and non-fluid like excitations by Kurkela, Aleksi, Wiedemann, Urs Achim, Wu, Bin

“…To study the microscopic structure of quark–gluon plasma, data from hadronic collisions must be confronted with models that go beyond fluid dynamics. Here, we…”
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Picturing perturbative parton cascades in QCD matter by Kurkela, Aleksi, Wiedemann, Urs Achim

“…Based on parametric reasoning, we provide a simple dynamical picture of how a perturbative parton cascade, in interaction with a QCD medium, fills phase space…”
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Opacity dependence of elliptic flow in kinetic theory by Kurkela, Aleksi, Wiedemann, Urs Achim, Wu, Bin

“…The observation of large azimuthal anisotropies v n in the particle spectra of proton–proton (pp) and proton–nucleus (pA) collisions challenges fluid dynamic…”
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Collectivity in pp from resummed interference effects? by Blok, Boris, Wiedemann, Urs Achim

“…Azimuthal asymmetries vn in the soft transverse momentum spectra of hadronic collisions can result as a consequence of quantum interference and color flow…”
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Hydrodynamization in systems with detailed transverse profiles by Kurkela, Aleksi, Taghavi, Seyed Farid, Wiedemann, Urs Achim, Wu, Bin

“…The observation of fluid-like behavior in nucleus-nucleus (AA), proton-nucleus (pA) and high-multiplicity proton-proton (pp) collisions motivates systematic…”
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A Monte Carlo model for ‘jet quenching’ by Zapp, Korinna, Ingelman, Gunnar, Rathsman, Johan, Stachel, Johanna, Wiedemann, Urs Achim

“…We have developed the Monte Carlo simulation program Jewel  1.0 (Jet Evolution With Energy Loss), which interfaces a perturbative final-state parton shower…”
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Accelerating cosmological expansion from shear and bulk viscosity by Floerchinger, Stefan, Tetradis, Nikolaos, Wiedemann, Urs Achim

“…The dissipation of energy from local velocity perturbations in the cosmological fluid affects the time evolution of spatially averaged fluid dynamic fields and…”
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Discovering Partonic Rescattering in Light Nucleus Collisions by Huss, Alexander, Kurkela, Aleksi, Mazeliauskas, Aleksas, Paatelainen, Risto, van der Schee, Wilke, Wiedemann, Urs Achim

“…We demonstrate that oxygen-oxygen collisions at the LHC provide unprecedented sensitivity to parton energy loss in a system whose size is comparable to those…”
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Collectivity from interference by Blok, Boris, Jäkel, Christian D., Strikman, Mark, Wiedemann, Urs Achim

“…A bstract In hadronic collisions, interference between different production channels affects momentum distributions of multi-particle final states. As this QCD…”
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Gluon radiation off hard quarks in a nuclear environment: opacity expansion by Wiedemann, Urs Achim

“…We study the relation between the Baier–Dokshitzer–Mueller–Peigné–Schiff (BDMPS) and Zakharov formalisms for medium-induced gluon radiation off hard quarks,…”
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Fluctuations around Bjorken flow and the onset of turbulent phenomena by Floerchinger, Stefan, Wiedemann, Urs Achim

“…A bstract We study how fluctuations in fluid dynamic fields can be dissipated or amplified within the characteristic spatio-temporal structure of a heavy ion…”
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Sensitivity of jet substructure to jet-induced medium response by Milhano, Guilherme, Wiedemann, Urs Achim, Zapp, Korinna Christine

“…Jet quenching in heavy ion collisions is expected to be accompanied by recoil effects, but unambiguous signals for the induced medium response have been…”
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A local Monte Carlo framework for coherent QCD parton energy loss by Zapp, Korinna Christine, Stachel, Johanna, Wiedemann, Urs Achim

“…Monte Carlo (MC) simulations are the standard tool for describing jet-like multi-particle final states. To apply them to the simulation of medium-modified jets…”
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How (non-)linear is the hydrodynamics of heavy ion collisions? by Floerchinger, Stefan, Wiedemann, Urs Achim, Beraudo, Andrea, Del Zanna, Luca, Inghirami, Gabriele, Rolando, Valentina

“…We provide evidence from full numerical solutions that the hydrodynamical evolution of initial density fluctuations in heavy ion collisions can be understood…”
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Relating high-energy lepton-hadron, proton-nucleus, and nucleus-nucleus collisions through geometric scaling by ARMESTO, Néstor, SALGADO, Carlos A, WIEDEMANN, Urs Achim

“…A characteristic feature of small-x lepton-proton data from HERA is geometric scaling: the fact that in the region of small Bjorken variable x, x less, similar…”
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Particle interferometry for relativistic heavy-ion collisions by Wiedemann, Urs Achim, Heinz, Ulrich

“…In this report we give a detailed account on Hanbury Brown/Twiss (HBT) particle interferometric methods for relativistic heavy-ion collisions. These exploit…”
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How sensitive are high-pT electron spectra at RHIC to heavy quark energy loss? by ARMESTO, Néstor, CACCIARI, Matteo, DAINESE, Andrea, SALGADO, Carlos A, ACHIM WIEDEMANN, Urs

“…In nucleus-nucleus collisions, high-pt electron spectra depend on the medium modified fragmentation of their massive quark parents, thus giving novel access to…”
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Medium modification of jet shapes and jet multiplicities by SALGADO, Carlos A, WIEDEMANN, Urs Achim

“…Medium-induced parton energy loss is widely considered to underlie the suppression of high-pt leading hadron spectra in square root sNN = 200 GeV Au+Au…”
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The contribution of medium-modified color flow to jet quenching by Beraudo, Andrea, Milhano, José Guilherme, Wiedemann, Urs Achim

“…A bstract Multiple interactions between parton showers and the surrounding QCD matter are expected to underlie the strong medium-modifications of jet…”
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