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Measurement of the inclusive ep scattering cross section at low Q 2 and x at HERA
- Source :
- European Physical Journal C: Particles and Fields, European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2009, 63, pp.625-678. ⟨10.1140/epjc/s10052-009-1128-6⟩, The European Physical Journal C, 63, Red Report (2009)., The European physical journal / C 63, 625-678 (2009). doi:10.1140/epjc/s10052-009-1128-6, European Physical Journal C: Particles and Fields, 2009, 63, pp.625-678. ⟨10.1140/epjc/s10052-009-1128-6⟩, European Physical Journal C. Particles and Fields, European physical journal : C : particles and fields, European Physical Journal C. Particles and Fields, 63 (4
- Publisher :
- Springer Nature
-
Abstract
- A measurement of the inclusive ep scattering cross section is presented in the region of low momentum transfers, 0.2∈GeV2 ≤Q 2≤12∈GeV2, and low Bjorken x, 5.10 -6x≤0.02. The result is based on two data sets collected in dedicated runs by the H1 Collaboration at HERA at beam energies of 27.6∈GeV and 920∈GeV for positrons and protons, respectively. A combination with data previously published by H1 leads to a cross section measurement of a few percent accuracy. A kinematic reconstruction method exploiting radiative ep events extends the measurement to lower Q 2 and larger x. The data are compared with theoretical models which apply to the transition region from photoproduction to deep inelastic scattering. © 2009 Springer-Verlag / Società Italiana di Fisica.<br />0<br />SCOPUS: ar.j<br />info:eu-repo/semantics/published
- Subjects :
- Particle physics
Physics and Astronomy (miscellaneous)
Monte Carlo method
FOS: Physical sciences
01 natural sciences
High Energy Physics - Experiment
Nuclear physics
Momentum
Cross section (physics)
High Energy Physics - Experiment (hep-ex)
Positron
0103 physical sciences
Radiative transfer
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]
ddc:530
010306 general physics
Nuclear Experiment
Engineering (miscellaneous)
Physics
010308 nuclear & particles physics
HERA
Deep inelastic scattering
Physique des particules élémentaires
High Energy Physics::Experiment
Beam (structure)
Subjects
Details
- Language :
- English
- ISSN :
- 14346044 and 14346052
- Volume :
- 63
- Issue :
- 4
- Database :
- OpenAIRE
- Journal :
- The European Physical Journal C
- Accession number :
- edsair.doi.dedup.....183d5896cf230ffc549ba8165179094b
- Full Text :
- https://doi.org/10.1140/epjc/s10052-009-1128-6