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SUMMARY:Impact of ATLAS data on parton density functions
DTSTART;VALUE=DATE-TIME:20140704T100500Z
DTEND;VALUE=DATE-TIME:20140704T102000Z
DTSTAMP;VALUE=DATE-TIME:20260517T061801Z
UID:indico-contribution-1272@indico.ific.uv.es
DESCRIPTION:Speakers: Frank Ellinghaus (Mainz University)\nVarious measure
 ments provided by the ATLAS collaboration have significant impact on\npart
 on density functions. Inclusive production of W and Z bosons have been ana
 lysed using an NNLO QCD fit and found to constraint the strange-quark dens
 ity at medium and low Bjorken-x. The inclusive jet production at different
  centre-of-mass energies\, dijet and trijet production measured by ATLAS a
 re used in an NLO QCD fit and show impact for the gluon and quark densitie
 s. Off-resonance Drell Yan production may be used to constrain anti-quark 
 density at high x. The measurements have higher impact when they are used 
 in a common fit\, taking into account correlations of the systematic uncer
 tainties and will help to constrain parton density function uncertainties.
 \n\nhttps://indico.ific.uv.es/event/2025/contributions/1272/
LOCATION: Sala 3+4
URL:https://indico.ific.uv.es/event/2025/contributions/1272/
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