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Measurement of the total photon proton cross section and its decomposition at 200 GeV centre of mass energy

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Zeitschrift für Physik C Particles and Fields

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 λptot =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.

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Supported by the Bundesministerium für Forschung und Technologie, FRG under contract numbers 6AC17P, 6AC47P, 6DO57I, 6HH17P, 6HH27I, 6HD17I, 6HD27I, 6KI17P, 6MP17I, and 6WT87P

Supported by the UK Particle Physics and Astronomy Research Council, and formerly by the UK Science and Engineering Research Council

Supported by FNRS-NFWO, IISN-IIKW

Supported by the Polish State Committee for Scientific Research, grant Nos. SPUB/P3/202/94 and 2 PO3B 237 08, and Stiftung fuer Deutsch-Polnische Zusammenarbeit, project no.506/92

Supported in part by USDOE grant DE F603 91ER40674

Supported by the Deutsche Forschungsgemeinschaft

Supported by the Swedish Natural Science Research Council

Supported by GA ČR, grant no. 202/93/2423, GA AV ČR, grant no. 19095 and GA UK, grant no. 342

Supported by the Swiss National Science Foundation

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H1 Collaboration., Aid, S., Andreev, V. et al. Measurement of the total photon proton cross section and its decomposition at 200 GeV centre of mass energy. Z. Phys. C - Particles and Fields 69, 27–38 (1995). https://doi.org/10.1007/BF02907383

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  • DOI: https://doi.org/10.1007/BF02907383

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