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Event shape engineering for inclusive spectra and elliptic flow in Pb-Pb collisions at $\sqrt{s_\rm{NN}}=2.76$ TeV

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arxiv 1507.06194 v2 pith:3JUY6LTM submitted 2015-07-22 nucl-ex hep-ex

classification nucl-exhep-ex
keywords flowellipticcollisionsdifferenteffectengineeringeventevents
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abstract

We report on results obtained with the Event Shape Engineering technique applied to Pb-Pb collisions at $\sqrt{s_\rm{NN}}=2.76$ TeV. By selecting events in the same centrality interval, but with very different average flow, different initial state conditions can be studied. We find the effect of the event-shape selection on the elliptic flow coefficient $v_2$ to be almost independent of transverse momentum $p_\rm{T}$, as expected if this effect is due to fluctuations in the initial geometry of the system. Charged hadron, pion, kaon, and proton transverse momentum distributions are found to be harder in events with higher-than-average elliptic flow, indicating an interplay between radial and elliptic flow.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Enhanced hydrodynamic predictions for $v_{02}(p_T)$

    nucl-th 2026-07 conditional novelty 6.0 of 10

    Ideal hydrodynamics plus a v2-fitted correction predicts v02(pT): a high-pT decrease for charged hadrons, meson-baryon splitting, and a non-monotonic proton v02 in mid-central Pb+Pb.

  2. Correlation between particle spectra and elliptic flow

    nucl-th 2025-06 conditional novelty 6.0 of 10

    A new three-particle observable, v02(pT), correlates the hadron spectrum with elliptic flow and is predicted to show a mass-ordering inversion at low pT in Pb+Pb collisions.

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