Conveners
Small Systems: Morning
- Torsten Dahms (TUM)
Overview talk on small systems
In this paper, we investigate the hydrodynamic collectivity in proton–proton (p–p) collisions at 13 TeV, using vishnu hybrid model with hijing initial conditions. With properly tuned parameters, our model simulations can remarkably describe all the measured 2-particle correlations, including integrated and differential elliptic flow coefficients for all charged and identified hadrons ($K_S^0$,...
ATLAS has performed comprehensive measurement of two-particle and multi-particle long-range azimuthal correlations in pp, p+Pb and peripheral Pb+Pb collisions at various energies. This talk provides a comprehensive review of results from these measurements, and it discusses their implications for understanding the mechanism and time scale for the generation of the long-range correlations in...
I'd like to have 5 minutes to discuss two slides with hydrodynamic freeze-out surfaces for various "small" collision systems that may help to explain the absence (so far) of jet quenching effects in p-Pb and p-p collisions.
Both collision geometry and event-by-event fluctuations are encoded in the experimentally observed flow harmonic distribution $p(v_n)$ and 2k-particle cumulants $c_n\{2k\}$. In the present talk, we systematically connect these observables to each other by employing Gram-Charlier A series. Also we quantify the deviation of the flow harmonic distribution from Bessel-Gaussianity in terms of the...
