Tue·Apr 26, 2016Tuesday·April 26, 2016

1. 01*

   Dilepton production with the SMASH model

   Janus Weil🇩🇪 · Jan Staudenmaier🇩🇪 · Hannah Petersen🇩🇪

   In this work the SMASH model is presented ("Simulating Many Accelerated Strongly-Interacting Hadrons"), a next-generation hadronic transport approach, which is designed to describe the non-equilibrium evolution of hadronic matter in heavy-ion collisions. We discuss first dilepton spectra obtained with SMASH in the few-GeV energy range of GSI/FAIR, where the dynamics of hadronic matter is dominated by the production and decay of various resonance states. In particular we show how electromagnetic transition form factors can emerge in a transport picture under the hypothesis of vector-meson dominance.

   ↳ nucl-thhep-phnucl-exJ.Phys.Conf.Ser.(2016)·16 citations
2. 02*

   Non-Gaussian eccentricity fluctuations

   Hanna Grönqvist🇫🇷 · Jean-Paul Blaizot🇫🇷 · Jean-Yves Ollitrault🇫🇷

   We study the fluctuations of the anisotropy of the energy density profile created in a high-energy collision at the LHC. We show that the anisotropy in harmonic $n$ has generic non-Gaussian fluctuations. We argue that these non-Gaussianities have a universal character for small systems such as p+Pb collisions, but not for large systems such as Pb+Pb collisions where they depend on the underlying non-Gaussian statistics of the initial density profile. We generalize expressions for the eccentricity cumulants ${\epsilon }_2\{4\}$ and ${\epsilon }_3\{4\}$ previously obtained within the independent-source model to a general fluctuating initial density profile.

   ↳ nucl-thhep-phnucl-exPRC(2016)·41 citations

* Reconstructed cohort: no mailing for this day survives in the archive. Papers are grouped by their submission times and arXiv's announcement cut-off, assuming announcement without delay; positions follow identifier order. Validated at ~91% exact-day agreement against the archived era.