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SUMMARY:Probing gluons with exclusive production in UPCs at the LHC
DTSTART;VALUE=DATE-TIME:20210727T164000Z
DTEND;VALUE=DATE-TIME:20210727T170500Z
DTSTAMP;VALUE=DATE-TIME:20260419T113921Z
UID:indico-contribution-258@cern.ch
DESCRIPTION:Speakers: Mrs. GLAENZER\, Aude (CEA - Saclay)\nJ/ψ photoprodu
 ction off protons in ultra-peripheral p-Pb collisions are used to probe th
 e gluon density at low Bjorken-x. The J/ψ photoproduction cross section i
 s expected to grow as a power law with 1/x\, unless gluon saturation occur
 s at low x.\nThe ALICE collaboration measured it down to x∼3×10-5: the 
 power law increase continues without significant change.\nWith 2016 data\,
  new constraints on the gluonic structure of the proton down to x∼8×10-
 6 can be obtained.\n\nhttps://indico.nucleares.unam.mx/event/1541/session/
 21/contribution/258
LOCATION:Mexico City
URL:https://indico.nucleares.unam.mx/event/1541/session/21/contribution/25
 8
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