Measurement of Feynman-x Spectra of Photons and Neutrons in the Very Forward Direction in Deep-Inelastic Scattering at HERA - Archive ouverte HAL Access content directly
Journal Articles European Physical Journal C: Particles and Fields Year : 2014

## Measurement of Feynman-x Spectra of Photons and Neutrons in the Very Forward Direction in Deep-Inelastic Scattering at HERA

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V. Andreev
• Function : Author
V. Brisson
• Function : Author
M. Jacquet
• Function : Author
C. Pascaud
• Function : Author
Zhiqing Zhang
• Function : Author
• PersonId : 829631
F. Zomer
• Function : Author
V. Boudry
A. Specka
• Function : Author
C. Diaconu
• Function : Author
D. Hoffmann
• Function : Author
Corentin Vallée
• Function : Author

#### Abstract

Measurements of normalised cross sections for the production of photons and neutrons at very small angles with respect to the proton beam direction in deep-inelastic $ep$ scattering at HERA are presented as a function of the Feynman variable $x_F$ and of the centre-of-mass energy of the virtual photon-proton system $W$. The data are taken with the H1 detector in the years 2006 and 2007 and correspond to an integrated luminosity of $131 \mathrm{pb}^{-1}$. The measurement is restricted to photons and neutrons in the pseudorapidity range $\eta>7.9$ and covers the range of negative four momentum transfer squared at the positron vertex \$6

### Dates and versions

in2p3-00969473 , version 1 (02-04-2014)

### Identifiers

• HAL Id : in2p3-00969473 , version 1
• ARXIV :
• DOI :

### Cite

V. Andreev, V. Brisson, M. Jacquet, C. Pascaud, Zhiqing Zhang, et al.. Measurement of Feynman-x Spectra of Photons and Neutrons in the Very Forward Direction in Deep-Inelastic Scattering at HERA. European Physical Journal C: Particles and Fields, 2014, 74, pp.2915. ⟨10.1140/epjc/s10052-014-2915-2⟩. ⟨in2p3-00969473⟩

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