Measurement of the total photon proton cross section and its decomposition at 200 GeV centre of mass energy |
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| Authors: | H Collaboration, S. Aid, V. Andreev, B. Andrieu, R. -D. Appuhn, M. Arpagaus, A. Babaev, J. B?hr, J. Bán Y. Ban etAlia" >,et al. |
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| Affiliation: | H1 Collaboration, S. Aid, V. Andreev, B. Andrieu, R. -D. Appuhn, M. Arpagaus, A. Babaev, J. B?hr, J. Bán and Y. Ban, et al. |
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| Abstract: | We present a new measurement of the total photoproduction cross section performed with the H1 detector at HERA. For an average centre of mass energy of 200 GeV a value of σ tot λp =165±2±11μb has been obtained. A detailed analysis of the data in adequate kinematic regions enabled a decomposition of the total cross section in its elastic, single diffractive dissociation and remaining non-diffractive parts, based on safe assumptions on the double diffractive dissociation contribution. Supported by the Bundesministerium für Forschung und Technologie, FRG under contract numbers 6AC17P, 6AC47P, 6DO57I, 6HH17P, 6HH27I, 6HD17I, 6HD27I, 6KI17P, 6MP17I, and 6WT87P |
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