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SUMMARY:Transverse momentum fluctuations in ultracentral Pb+Pb collisions 
 at the LHC
DTSTART;VALUE=DATE-TIME:20230529T141500Z
DTEND;VALUE=DATE-TIME:20230529T144000Z
DTSTAMP;VALUE=DATE-TIME:20261010T092355Z
UID:indico-contribution-369@indico.ipb.ac.rs
DESCRIPTION:Speakers: Jean-Yves Ollitrault (IPhT Saclay)\nThe ATLAS collab
 oration has analyzed event-to-event fluctuations of the transverse momentu
 m per particle as a function of the particle multiplicity. In the most cen
 tral collisions\, the variance of fluctuations decreases steeply. I show t
 hat this can be explained simply\, provided that one takes into account tw
 o combined effects: First\, for a fixed collision multiplicity\, the impac
 t parameter spans a range of values. Second\, still for fixed multiplicity
 \, the momentum per particle increases as a function of impact parameter. 
 Based on this analysis\, I derive accurate predictions for the increase of
  the mean transverse momentum in ultracentral collisions\, which is yet un
 observed.\n\nhttps://events.saifa.rs/event/554/contributions/369/
LOCATION:SANU (Serbian Academy of Science and Arts) - Belgrade\, Serbia
URL:https://events.saifa.rs/event/554/contributions/369/
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