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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-46940

Ewerz, C; von Manteuffel, A; Nachtmann, O (2010). Ioffe times in DIS from a dipole model fit. Journal of High Energy Physics, (3):102.

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Abstract

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 Q 2. 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 Q 2 = 1 GeV2 to around 10 fm for Q 2 = 100 GeV2. Based on our results we discuss consequences for the limitations of applicability of the dipole picture.

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute for Computational Science
DDC:530 Physics
Language:English
Date:2010
Deposited On:03 Mar 2011 16:33
Last Modified:04 Feb 2014 12:25
Publisher:Springer
ISSN:1029-8479
Publisher DOI:10.1007/JHEP03(2010)102
Related URLs:http://arxiv.org/abs/0909.2434
Citations:Web of Science®
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