\begin{thebibliography}{57}
\expandafter\ifx\csname natexlab\endcsname\relax\def\natexlab#1{#1}\fi
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  \def\bibnamefont#1{#1}\fi
\expandafter\ifx\csname bibfnamefont\endcsname\relax
  \def\bibfnamefont#1{#1}\fi
\expandafter\ifx\csname citenamefont\endcsname\relax
  \def\citenamefont#1{#1}\fi
\expandafter\ifx\csname url\endcsname\relax
  \def\url#1{\texttt{#1}}\fi
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\providecommand{\bibinfo}[2]{#2}
\providecommand{\eprint}[2][]{\href{http://www.citebase.org/abstract?id=oai:ar%
Xiv.org:#2}{#2}}

\bibitem[{\citenamefont{Aaron \emph{et~al.}}(2010)}]{HERAIcombi}
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\bibitem[{\citenamefont{Aaron
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\bibitem[{\citenamefont{Adloff \emph{et~al.}}(2000)}]{Adloff:1999ah}
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\bibitem[{\citenamefont{Adloff \emph{et~al.}}(2001)}]{Adloff:2000qj}
\bibinfo{author}{\bibfnamefont{C.}~\bibnamefont{Adloff}}
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\bibitem[{\citenamefont{Adloff \emph{et~al.}}(2003)}]{Adloff:2003uh}
\bibinfo{author}{\bibfnamefont{C.}~\bibnamefont{Adloff}}
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\bibitem[{\citenamefont{Aaron \emph{et~al.}}(2012{\natexlab{a}})}]{H1allhQ2}
\bibinfo{author}{\bibfnamefont{F.}~\bibnamefont{Aaron}}
  \bibnamefont{\emph{et~al.}} [\bibinfo{collaboration}{H1 Collaboration}
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\bibitem[{\citenamefont{Andreev \emph{et~al.}}(2013)}]{H1FL1}
\bibinfo{author}{\bibfnamefont{V.}~\bibnamefont{Andreev}}
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\bibitem[{\citenamefont{Aaron \emph{et~al.}}(2011)}]{H1FL2}
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\bibitem[{\citenamefont{Breitweg \emph{et~al.}}(1997)}]{Breitweg:1997hz}
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\bibitem[{\citenamefont{Breitweg \emph{et~al.}}(1999)}]{Breitweg:1998dz}
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\bibitem[{\citenamefont{Chekanov \emph{et~al.}}(2001)}]{Chekanov:2001qu}
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\bibitem[{\citenamefont{Breitweg \emph{et~al.}}(2000{\natexlab{b}})}]{zeuscc97}
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\bibitem[{\citenamefont{Chekanov
  \emph{et~al.}}(2003{\natexlab{a}})}]{Chekanov:2002ej}
\bibinfo{author}{\bibfnamefont{S.}~\bibnamefont{Chekanov}}
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\bibitem[{\citenamefont{Chekanov \emph{et~al.}}(2002)}]{Chekanov:2002zs}
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\bibitem[{\citenamefont{Chekanov \emph{et~al.}}(2004)}]{Chekanov:2003yv}
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\bibitem[{\citenamefont{Chekanov
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\bibinfo{author}{\bibfnamefont{S.}~\bibnamefont{Chekanov}}
  \bibnamefont{\emph{et~al.}} [\bibinfo{collaboration}{ZEUS} Collaboration],
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  \eprint{[hep-ex/0307043]}.

\bibitem[{\citenamefont{Chekanov \emph{et~al.}}(2009{\natexlab{a}})}]{ZEUS2NCe}
\bibinfo{author}{\bibfnamefont{S.}~\bibnamefont{Chekanov}}
  \bibnamefont{\emph{et~al.}} [\bibinfo{collaboration}{ZEUS Collaboration}
  Collaboration], \bibinfo{journal}{Eur.Phys.J.}
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  (\bibinfo{year}{2009}{\natexlab{a}}), \eprint{[0901.2385]}.

\bibitem[{\citenamefont{Chekanov \emph{et~al.}}(2009{\natexlab{b}})}]{ZEUS2CCe}
\bibinfo{author}{\bibfnamefont{S.}~\bibnamefont{Chekanov}}
  \bibnamefont{\emph{et~al.}} [\bibinfo{collaboration}{ZEUS Collaboration}
  Collaboration], \bibinfo{journal}{Eur.Phys.J.}
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  (\bibinfo{year}{2009}{\natexlab{b}}), \eprint{[0812.4620]}.

\bibitem[{\citenamefont{Abramowicz}(2013)}]{ZEUS2NCp}
\bibinfo{author}{\bibfnamefont{H.}~\bibnamefont{Abramowicz}}
  [\bibinfo{collaboration}{ZEUS Collaboration} Collaboration],
  \bibinfo{journal}{Phys.Rev.} \textbf{\bibinfo{volume}{D87}},
  \bibinfo{pages}{052014} (\bibinfo{year}{2013}), \eprint{[1208.6138]}.

\bibitem[{\citenamefont{Abramowicz \emph{et~al.}}(2010)}]{ZEUS2CCp}
\bibinfo{author}{\bibfnamefont{H.}~\bibnamefont{Abramowicz}}
  \bibnamefont{\emph{et~al.}} [\bibinfo{collaboration}{ZEUS Collaboration}
  Collaboration], \bibinfo{journal}{Eur.Phys.J.}
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  \eprint{[1008.3493]}.

\bibitem[{\citenamefont{Abramowicz \emph{et~al.}}(2014)}]{ZEUSFL}
\bibinfo{author}{\bibfnamefont{H.}~\bibnamefont{Abramowicz}}
  \bibnamefont{\emph{et~al.}}, \emph{\bibinfo{title}{ZEUS low energy}}
  (\bibinfo{year}{2014}), \bibinfo{note}{soon to be submitted}.

\bibitem[{\citenamefont{Wondering
  \emph{et~al.}}(2014{\natexlab{a}})}]{HERAverager}
\bibinfo{author}{\bibfnamefont{H.}~\bibnamefont{Wondering}}
  \bibnamefont{\emph{et~al.}}, \emph{\bibinfo{title}{HERAverager}}
  (\bibinfo{year}{2014}{\natexlab{a}}), \bibinfo{note}{soon to be submitted}.

\bibitem[{HER({\natexlab{a}})}]{HERAveragerweb}
\bibinfo{note}{{Web information for HERAverager at
  }}\urlprefix\url{{https://wiki-zeuthen.desy.de/HERAverager}} .

\bibitem[{\citenamefont{Wondering
  \emph{et~al.}}(2014{\natexlab{b}})}]{HERAfitter}
\bibinfo{author}{\bibfnamefont{H.}~\bibnamefont{Wondering}}
  \bibnamefont{\emph{et~al.}}, \emph{\bibinfo{title}{HERAfitter}}
  (\bibinfo{year}{2014}{\natexlab{b}}), \bibinfo{note}{soon to be submitted}.

\bibitem[{HER({\natexlab{b}})}]{HERAfitterweb}
\bibinfo{note}{{Web information for HERAfitter at
  }}\urlprefix\url{{www.herafitter.org}} .

\bibitem[{\citenamefont{Glazov}(2005)}]{glazov}
\bibinfo{author}{\bibfnamefont{A.}~\bibnamefont{Glazov}}, \bibinfo{journal}{AIP
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  (\bibinfo{year}{2005}).

\bibitem[{\citenamefont{Chekanov \emph{et~al.}}(2005)}]{Chekanov:2005nn}
\bibinfo{author}{\bibfnamefont{S.}~\bibnamefont{Chekanov}}
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\bibitem[{\citenamefont{Klein and Riemann}(1984)}]{kleinriemann}
\bibinfo{author}{\bibfnamefont{M.}~\bibnamefont{Klein}} \bibnamefont{and}
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\bibitem[{\citenamefont{Callan and Gross}(1969)}]{PhysRevLett.22.156}
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\bibitem[{\citenamefont{Gribov and
  Lipatov}(1972{\natexlab{a}})}]{Gribov:1972ri}
\bibinfo{author}{\bibfnamefont{V.~N.} \bibnamefont{Gribov}} \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{L.~N.} \bibnamefont{Lipatov}},
  \bibinfo{journal}{Sov.\ J.\ Nucl.\ Phys.} \textbf{\bibinfo{volume}{15}},
  \bibinfo{pages}{438} (\bibinfo{year}{1972}{\natexlab{a}}).

\bibitem[{\citenamefont{Gribov and
  Lipatov}(1972{\natexlab{b}})}]{Gribov:1972rt}
\bibinfo{author}{\bibfnamefont{V.~N.} \bibnamefont{Gribov}} \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{L.~N.} \bibnamefont{Lipatov}},
  \bibinfo{journal}{Sov.\ J.\ Nucl.\ Phys.} \textbf{\bibinfo{volume}{15}},
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\bibitem[{\citenamefont{Lipatov}(1975)}]{Lipatov:1974qm}
\bibinfo{author}{\bibfnamefont{L.~N.} \bibnamefont{Lipatov}},
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\bibitem[{\citenamefont{Dokshitzer}(1977)}]{Dokshitzer:1977sg}
\bibinfo{author}{\bibfnamefont{Y.~L.} \bibnamefont{Dokshitzer}},
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\bibitem[{\citenamefont{Altarelli and Parisi}(1977)}]{Altarelli:1977zs}
\bibinfo{author}{\bibfnamefont{G.}~\bibnamefont{Altarelli}} \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{G.}~\bibnamefont{Parisi}},
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\bibitem[{\citenamefont{Abt \emph{et~al.}}(1997{\natexlab{a}})}]{h1det}
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\bibitem[{\citenamefont{Abt \emph{et~al.}}(1997{\natexlab{b}})}]{h1det2}
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\bibitem[{\citenamefont{\protect{ZEUS Collaboration, U. Holm
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\bibinfo{author}{\bibnamefont{\protect{ZEUS Collaboration, U. Holm
  (editor).}}}, \bibinfo{note}{the ZEUS Detector. Status Report (unpublished),
  DESY (1993)},
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\bibitem[{\citenamefont{Derrick \emph{et~al.}}(1991)}]{ZEUSCAL}
\bibinfo{author}{\bibfnamefont{M.}~\bibnamefont{Derrick}}
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\bibitem[{\citenamefont{Polini \emph{et~al.}}(2007)}]{ZEUSMVD}
\bibinfo{author}{\bibfnamefont{A.}~\bibnamefont{Polini}}
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\bibitem[{\citenamefont{Andreev \emph{et~al.}}(2002)}]{H1lumi1}
\bibinfo{author}{\bibfnamefont{V.}~\bibnamefont{Andreev}}
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\bibitem[{\citenamefont{Andruszk\'ow \emph{et~al.}}(2001)}]{Zlumi1}
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\bibitem[{\citenamefont{Derrick \emph{et~al.}}(1994)}]{Zlumi2}
\bibinfo{author}{\bibfnamefont{M.}~\bibnamefont{Derrick}}
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\bibitem[{\citenamefont{Adamczyk \emph{et~al.}}(2013)}]{Zlumi3}
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\bibitem[{\citenamefont{Aaron \emph{et~al.}}(2012{\natexlab{b}})}]{H1lumi2}
\bibinfo{author}{\bibfnamefont{F.}~\bibnamefont{Aaron}}
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\bibitem[{\citenamefont{Jacquet and Blondel}(1979)}]{yjb}
\bibinfo{author}{\bibfnamefont{F.}~\bibnamefont{Jacquet}} \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{A.}~\bibnamefont{Blondel}}, in
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  (\bibinfo{publisher}{DESY 79/48}, \bibinfo{year}{1979}).

\bibitem[{\citenamefont{Bassler and Bernardi}(1995)}]{ysigma}
\bibinfo{author}{\bibfnamefont{U.}~\bibnamefont{Bassler}} \bibnamefont{and}
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\bibitem[{\citenamefont{Bentvelsen \emph{et~al.}}(1992)}]{standa}
\bibinfo{author}{\bibfnamefont{S.}~\bibnamefont{Bentvelsen}}
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\bibitem[{\citenamefont{Hoeger}(1992)}]{hoegerda}
\bibinfo{author}{\bibfnamefont{K.}~\bibnamefont{Hoeger}}, in
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  \bibnamefont{and} \bibinfo{editor}{\bibfnamefont{G.}~\bibnamefont{Ingelman}}
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\bibitem[{\citenamefont{Derrick \emph{et~al.}}(1996)}]{Derrick:1996hn}
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\bibitem[{\citenamefont{Adloff \emph{et~al.}}(1997)}]{Adloff:1997mf}
\bibinfo{author}{\bibfnamefont{C.}~\bibnamefont{Adloff}}
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\bibitem[{ful()}]{fullcorr}
\bibinfo{note}{{The combined data together with the full correlation
  information is provided at }}\urlprefix\url{{https://www.desy.de/h1zeus/}} .

\bibitem[{\citenamefont{Lastovicka}(2002)}]{Lastovicka:2002hw}
\bibinfo{author}{\bibfnamefont{T.}~\bibnamefont{Lastovicka}},
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\bibitem[{\citenamefont{Golec-Biernat and
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\bibinfo{author}{\bibfnamefont{K.~J.} \bibnamefont{Golec-Biernat}}
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\end{thebibliography}