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SUMMARY:HERAPDF fits of the proton parton densities
DTSTART;VALUE=DATE-TIME:20140704T103500Z
DTEND;VALUE=DATE-TIME:20140704T105000Z
DTSTAMP;VALUE=DATE-TIME:20260418T233918Z
UID:indico-contribution-825@indico.ific.uv.es
DESCRIPTION:Speakers: Katarzyna Wichmann (DESY)\nNew combined H1 and ZEUS 
 data on neutral and charged current inclusive \ncross sections at HERA fro
 m all running periods 1994-2007\, are used as \nthe sole input to NLO and 
 NNLO QCD analyses to determine  new sets of \nparton distributions\, HERAP
 DF2.0\, with small experimental uncertainties \nand an estimate of model a
 nd parametrisation uncertainties.  Charm and \njet production data are als
 o included in the fit to improve\, in \nparticular\, the determination of 
 the gluon density and the strong \ncoupling\, \\alpha_s.  A HERAPDF fit\, 
 evolved in leading order (LO) in \nalpha_s using the DGLAP evolution equat
 ions\, is also presented.  The LO \nPDF is particularly useful for Monte C
 arlo event generators based on LO \nmatrix elements plus parton showers.\n
 \nhttps://indico.ific.uv.es/event/2025/contributions/825/
LOCATION: Sala 3+4
URL:https://indico.ific.uv.es/event/2025/contributions/825/
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