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Determination of the longitudinal structure function at HERA from radiative events (1992)

Krasny, M. W. ; Placzek, W. ; Spiesberger, H.

Springer

The European physical journal 53 (1992), S. 687-693

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ISSN: 1434-6052

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract In deep-inelastic electron proton scattering, the emission of photons collinear with the incident electrons leads to a reduction of the effective beam energy. It is argued that this effect can be used to measure the longitudinal structure function at HERA. For an integrated luminosity of 200pb−1, the statistical accuracy onR is in the range of ΔR≌0.05–0.25 for 6·10−4≤x≤2·10−2 and 15GeV2≤Q 2≤120GeV2. Systematic effects from photon identification and from the background of elasticep scattering in the luminosity monitor, as well as corrections from bin size effects and from cutting out lowp T events are discussed.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01559748

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