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SUMMARY:QCD & QGP at the LHC & Prospects with heavy ions with LHCb detecto
 r
DTSTART:20260424T123000Z
DTEND:20260424T133000Z
DTSTAMP:20260410T082300Z
UID:indico-event-39141@indico.in2p3.fr
DESCRIPTION:Speakers: Gines MARTINEZ (Subatech CNRS/IN2P3 - IMT Atlantique
  - Nantes Universite)\n\nQuantum Chromodynamics (QCD)\, the theory of the 
 strong interaction\, is a beautiful theory based on the fundamental SU(3) 
 interaction between quarks (as fermions) and gluons (as exchange bosons). 
 However\, its predictive power and precision are strongly limited by confi
 nement. Even in the asymptotic sector\, a precision of better than 10% is 
 difficult to achieve\, since the initial and final state ingredients alway
 s remain non-perturbative. Experimentally\, the strong interaction has bee
 n studied via its bound states\, known as hadrons\, and their lifetimes an
 d decay channels.\nOver the last 15 years\, significant progress has been 
 made with the discovery of exotic hadrons — hadrons containing more than
  three quarks. The structure of hadrons\, mainly protons and neutrons\, is
  studied through lepton-hadron interactions. A new area of research will b
 e explored with the new Electron Ion Collider at high centre-of-mass energ
 y\, using polarised proton and electron beams. Hadron-hadron interactions 
 are mostly non-perturbative processes that can be viewed\, at RHIC and LHC
  energies as the interaction of two high-density gluon clouds. In these co
 llisions\, many fundamental interactions take place coherently and incoher
 ently in parallel\, making them more difficult to calculate using ab initi
 o QCD theory. At sufficiently high multiplicity\, the high particle densit
 y resulting from the collision allows for a hydrodynamic description of th
 e QCD matter\, which is expected to deconfine above a certain temperature 
 threshold. As a by-product\, heavy ion collisions at ultra-relativistic en
 ergies provide the most intense high-energy photon beams which can be used
  to explore the structure of the proton and nucleus\, and even to image pe
 ripheral heavy ion collisions thanks to the coherent production of quarkon
 ia in photon-nucleus interactions. The LHCb detector is well suited to add
 ressing all these phenomenological studies of QCD physics\, including exot
 ic hadrons\, fixed target experiments\, probing the quark-gluon plasma wit
 h heavy flavour production\, photon-nucleus interactions and the study of 
 nuclear structure in colliding nuclei. Last but not least\, the LHCb upgra
 de for Run 5 will increase the instantaneous luminosity at the LHCb intera
 ction point by a factor of 10\, enabling the reconstruction of the most ce
 ntral Pb-Pb collisions.  \n\nhttps://indico.in2p3.fr/event/39141/
LOCATION:9109
URL:https://indico.in2p3.fr/event/39141/
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