# Measurement of Photon Production in the Very Forward Direction in Deep-Inelastic Scattering at HERA

Abstract : The production of photons at very small angles with respect to the proton beam direction is studied in deep-inelastic positron-proton scattering at HERA. The data are taken with the H1 detector in the years 2006 and 2007 and correspond to an integrated luminosity of $126 \mathrm{pb}^{-1}$. The analysis covers the range of negative four momentum transfer squared at the positron vertex $67.9$. The cross sections are normalised to the inclusive deep-inelastic scattering cross section and compared to the predictions of models of deep-inelastic scattering and models of the hadronic interactions of high energy cosmic rays.
Document type :
Journal articles

http://hal.in2p3.fr/in2p3-00605052
Contributor : Swarna Bassava <>
Submitted on : Thursday, June 30, 2011 - 2:19:44 PM
Last modification on : Tuesday, December 8, 2020 - 3:45:41 AM

### Citation

F.D. Aaron, C. Alexa, V. Andreev, S. Backovic, A. Baghdasaryan, et al.. Measurement of Photon Production in the Very Forward Direction in Deep-Inelastic Scattering at HERA. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2011, 71, 1771 (11p.). ⟨10.1140/epjc/s10052-011-1771-6⟩. ⟨in2p3-00605052⟩

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