Conveners
Thermodynamics and hadron chemistry: I
- Boris Hippolyte (IPHC / USIAS (Strasbourg, FR))
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Claudia Ratti (University of Houston)15/05/2018, 14:40Thermodynamics and hadron chemistryParallel Talk
We analyze the recent STAR collaboration results on net-kaon fluctuations in the framework of the Hadron Resonance Gas (HRG) model and lattice QCD. In the latter, the kaon contribution is isolated using the Boltzmann approximation [1]. Our purpose is to extract the freeze-out temperature and chemical potential as functions of the collision energy. In our HRG model, we use the complete hadron...
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Georgy Kornakov (TU Darmstadt)15/05/2018, 15:00Thermodynamics and hadron chemistryParallel Talk
At energies below $\sqrt{s_{NN}}\approx2.55$ GeV, strange quarks can not be produced in binary nucleon-nucleon collisions because of the higher production threshold of the lightest hadrons carrying strangeness. Hence, the investigation of sub-threshold strangeness production in heavy-ion collision is one of the most promising probes, to access the properties of the created system, as the...
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Mr Jean-Bernard Rose (Frankfurt Institute for Advanced Studies)15/05/2018, 15:20Thermodynamics and hadron chemistryParallel Talk
Previous calculations of the shear viscosity to entropy density ratio in the hadron gas have failed to reach a consensus, with $\eta/s$ predictions differing by almost an order of magnitude. This work addresses and solves this discrepancy by providing an independent extraction of this coefficient using the newly-developed SMASH (Simulating Many Accelerated Strongly interacting Hadrons)...
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Peng Liu (SINAP&BNL)15/05/2018, 15:40Thermodynamics and hadron chemistryParallel Talk
The Hyperon-Nucleon (Y-N) interactions play an important role for understanding the strong interaction. It is suggested that alternative Y-N couplings can be a possible solution to the recent observations of neutron star exceeding two solar masses, the so-called "hyperon puzzle". A precise measurement of masses and lifetimes of hypertriton and anti-hypertriton can enrich our knowledge on Y-N...
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Stefano Trogolo (Universita e INFN Torino (IT))15/05/2018, 16:00Thermodynamics and hadron chemistryParallel Talk
We present a measurement of the hyper-triton lifetime with the ALICE detector at the LHC, aiming at shedding light on the hyper-triton lifetime puzzle. During the LHC Run 2, the ALICE experiment recorded Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV that complement the Pb-Pb datasets acquired at $\sqrt{s_{\rm NN}}$ = 2.76 TeV from Run 1. These datasets allow for a systematic study of...
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Stefan Floerchinger (Heidelberg University)15/05/2018, 16:20Thermodynamics and hadron chemistryParallel Talk
In a quantum field theory, apparent thermalization can be a consequence of entanglement as opposed to scatterings. I will discuss how this can help to explain open puzzles such as the success of thermal models in electron-positron collisions. It turns out that an expanding relativistic string described by the Schwinger model (which also underlies the Lund model) has at early times an...
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Danilo Silva De Albuquerque (University of Campinas UNICAMP (BR))15/05/2018, 16:40Thermodynamics and hadron chemistryParallel Talk
The measurement of strange and resonance particle production in relativistic heavy ions collisions is of great interest to investigate the properties of the hadronic matter under extreme conditions. The enhanced production of strange and multi-strange hadrons with respect to non-strange ones was
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historically considered as one of the signatures of the formation of a partonic phase during the...