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- Frankfurt Institute for Advanced StudiesDE1.6k papers
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868 papers · 1 filter
Transport coefficients of strongly interacting quark-gluon plasma including elastic and inelastic scattering within the dynamical quasiparticle model
Gaia Ingrosso, Olga Soloveva, Ilia Grishmanovskii +2
We study the impact of inelastic gluon-radiation and absorption processes on the transport coefficients of the quark-gluon plasma within the dynamical quasiparticle model (DQPM) in…
Signatures from pion condensation and lepton flavor asymmetries in the cosmological gravitational wave background
Osvaldo Ferreira, Eduardo S. Fraga, Jürgen Schaffner-Bielich
Large lepton flavor asymmetries at the QCD epoch could generate a pion condensation phase in the early Universe. For large enough tau lepton flavor asymmetries, the speed of sound…
The role of the pion mass on the QCD phase diagram in the plane
Chowdhury Aminul Islam, Mahammad Sabir Ali, Rishi Sharma
We investigated the role of the pion mass on the QCD phase diagram in the plane using an effective model treatment. Such treatments are able to capture the main features pre…
Determination of the -meson production process and its absorption cross section via directed flow
Jan Steinheimer, Tom Reichert, Marcus Bleicher
We show that the directed flow of -mesons in Au+Au collisions at GeV, is sensitive on production and the absorption cross section of the in a nuclear mediu…
Goldstone bosons across thermal phase transitions
Peter Lowdon, Owe Philipsen
Temperature has a significant effect on the properties of quantum field theories (QFTs) with a spontaneously broken symmetry, in particular on the massless Goldstone bosons that ex…
Constraints on Kinetic Mixing of Dark Photons from Dilepton Spectra
A. W. Romero Jorge, E. Bratkovskaya, T. Song +1
Dark photons, the hypothetical gauge bosons associated with an additional symmetry, can couple to Standard Model particles through a small kinetic mixing parameter…