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SUMMARY:Heavy ion results by ATLAS and CMS
DTSTART;VALUE=DATE-TIME:20181204T132000Z
DTEND;VALUE=DATE-TIME:20181204T134000Z
DTSTAMP;VALUE=DATE-TIME:20260906T144230Z
UID:indico-contribution-251-1180@indico.tlabs.ac.za
DESCRIPTION:Speakers: David Krofcheck (University of Auckland\, New Zealan
 d)\nThe heavy-ion programmes in the ATLAS and CMS experiments at the Large
  Hadron Collider aim to probe and characterise properties of the quark-glu
 on plasma created in relativistic Pb-Pb collisions. Smaller collision syst
 ems involving nuclei and protons are used to distinguish between initial a
 nd final-state effects. The heavy-ion experiments explored the onset of co
 llectivity in small systems via azimuthal correlations in p-Pb collisions\
 , energy loss of high momentum partons via measurements of photon-tagged j
 ets\, jet shapes\, heavy- flavour jets\, and reconstruction of heavy-flavo
 ur hadrons. Results on hot and cold nuclear effects on charmonia and botto
 monia via measurements in p-Pb and Pb-Pb are also studied. Measurements of
  W bosons and top quark production in p-Pb collisions will be presented.\n
 \nhttps://indico.tlabs.ac.za/event/75/contributions/1180/
LOCATION:Casa do Sol
URL:https://indico.tlabs.ac.za/event/75/contributions/1180/
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SUMMARY:Heavy-Ion results from the HADES experiment
DTSTART;VALUE=DATE-TIME:20181204T130000Z
DTEND;VALUE=DATE-TIME:20181204T132000Z
DTSTAMP;VALUE=DATE-TIME:20260906T144230Z
UID:indico-contribution-251-1149@indico.tlabs.ac.za
DESCRIPTION:Speakers: Celso Franco (LIP-Lisbon)\nThe HADES experiment at G
 SI was designed to investigate the properties of hadrons inside dense nuc
 lear matter. The latter is created by heavy-ion collisions at energies of 
 1–-2 AGeV. Currently\, HADES is the only running experiment that studie
 s the region in the QCD phase diagram of very high net-baryon densities an
 d moderate temperatures. The created state of matter\, in fact\, resemble
 s matter created during merger of neutron stars with particular configurat
 ion. While the gravitational waves emitted by such events are expected to
  tightly constrain the equation of state of nuclear matter\, HADES has the
   potential of providing a deeper understanding about the microscopic pro
 perties of such matter due to an improved modeling of heavy heavy-ion coll
 isions. One of the goals is to improve the knowledge about the generation 
 of hadronic masses. At three times normal nuclear matter density the quar
 k antiquark condensates\, which are an order parameter of chiral symmetry 
 restoration\, are partially depleted and\, therefore\, HADES is able to p
 rovide crucial information by investigating the in-medium properties of ha
 drons. One of the best probes that one can use to investigate a strongly i
 nteracting baryon-rich medium are the dileptons emerging from virtual phot
 on decays. Since electromagnetic probes decouple from the dense interacti
 on region once they are produced\, their phase space distributions carry 
 information about the temperature and structure of the dense QCD medium. 
 Hadrons carrying strangeness are valuable messengers as well\, because at 
 1-–2  AGeV their production threshold is above the energy available in 
 a single N+N collision. This means that additional energy is provided by t
 he medium and\, therefore\, strange hadrons are also good probes of the in
 -medium properties. Both the dilepton and strangeness results from the HA
 DES Au+Au data at 1.23 AGeV will be presented.\n\nhttps://indico.tlabs.ac.
 za/event/75/contributions/1149/
LOCATION:Casa do Sol
URL:https://indico.tlabs.ac.za/event/75/contributions/1149/
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SUMMARY:Strongly Coupled $\\Upsilon$(1S) Suppression in $\\sqrt{s}_{NN}=2.
 76$ TeV Pb+Pb Collisions
DTSTART;VALUE=DATE-TIME:20181204T134000Z
DTEND;VALUE=DATE-TIME:20181204T140000Z
DTSTAMP;VALUE=DATE-TIME:20260906T144230Z
UID:indico-contribution-251-1185@indico.tlabs.ac.za
DESCRIPTION:Speakers: Nadia Barnard (University of Cape Town)\nIn a revolu
 tionary paper\, Matsui and Satz proposed using the suppression of quarkoni
 a as a smoking gun signature of deconfinement in relativistic heavy ion co
 llisions. The stunning success of using strong-coupling\, AdS/CFT techniqu
 es to predict the viscosity to entropy density ratio extracted from RHIC a
 nd LHC heavy ion collision data using sophisticated 3+1D relativistic visc
 ous hydrodynamics has prompted further investigation into the physics of a
  strongly-coupled plasma. We compute\, for the first time\, the suppressio
 n of bottomonia in a strongly coupled QGP\, and compare the results to tho
 se from a weakly coupled QGP and to data. The complex binding energies whi
 ch inform the thermal width and hence the $R_{AA}$ of $\\Upsilon$(1S) are 
 determined using imaginary time techniques. Further\, we discuss the valid
 ity of this methodology which solves for strongly coupled binding energies
  using static $q\\bar{q}$ potential models from AdS/CFT by comparing to in
 dependent results.\n\nhttps://indico.tlabs.ac.za/event/75/contributions/11
 85/
LOCATION:Casa do Sol
URL:https://indico.tlabs.ac.za/event/75/contributions/1185/
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