Ioffe times in DIS from a dipole model fit

We present a study of Ioffe times in deep inelastic electron-proton scattering. We deduce ‘experimental’ Ioffe-time distributions from the small-x HERA data as described by a particular colour-dipole-model fit. We show distributions for three representative γ*p c.m. energies W and various values of...

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Hauptverfasser: Ewerz, Carlo (VerfasserIn) , Manteuffel, Andreas von (VerfasserIn) , Nachtmann, Otto (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 19 March 2010
In: Journal of high energy physics
Year: 2010, Heft: 3, Pages: 1-23
ISSN:1029-8479
DOI:10.1007/JHEP03(2010)102
Online-Zugang:Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1007/JHEP03(2010)102
Verlag, kostenfrei, Volltext: https://link.springer.com/article/10.1007/JHEP03(2010)102
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Verfasserangaben:Carlo Ewerz, Andreas von Manteuffel and Otto Nachtmann
Beschreibung
Zusammenfassung:We present a study of Ioffe times in deep inelastic electron-proton scattering. We deduce ‘experimental’ Ioffe-time distributions from the small-x HERA data as described by a particular colour-dipole-model fit. We show distributions for three representative γ*p c.m. energies W and various values of the photon virtuality Q2. These distributions are rather broad for transversely and very narrow for longitudinally polarised virtual photons. The Ioffe times for W = 150 GeV, for example, range from around 103 fm for Q2 = 1 GeV2 to around 10 fm for Q2 = 100 GeV2. Based on our results we discuss consequences for the limitations of applicability of the dipole picture.
Beschreibung:Gesehen am 22.11.2017
Beschreibung:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP03(2010)102