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Prompt photon production in photoproduction at HERA


Nowak, K; Müller, K (2008). Prompt photon production in photoproduction at HERA. In: Proceedings of the XVI International Workshop on Deep-Inelastic Scattering and Related Topics, London, 7 April 2008 - 11 April 2008.

Abstract

A measurement of prompt photons in photoproduction in ep collisions with the H1 detector is presented. The analysis is based on data taken in the years 2004-2007, corresponding to a total integrated luminosity of 340 pb -1. The photon signal is extracted using a multivariate analysis based on cluster calorimeter shower shape variables. Inclusive and exclusive cross sections are presented as a function of the transverse energy EγT in the range 5 to 15 GeV and the pseudorapidity ηγ range -1.0 to 2.4. The momentum fractions xγ and xproton of the incident photon and proton respectively carried by the constituents participating in the hard scattering process are measured as well. The results are compared to predictions from theoretical calculations.

Abstract

A measurement of prompt photons in photoproduction in ep collisions with the H1 detector is presented. The analysis is based on data taken in the years 2004-2007, corresponding to a total integrated luminosity of 340 pb -1. The photon signal is extracted using a multivariate analysis based on cluster calorimeter shower shape variables. Inclusive and exclusive cross sections are presented as a function of the transverse energy EγT in the range 5 to 15 GeV and the pseudorapidity ηγ range -1.0 to 2.4. The momentum fractions xγ and xproton of the incident photon and proton respectively carried by the constituents participating in the hard scattering process are measured as well. The results are compared to predictions from theoretical calculations.

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Additional indexing

Item Type:Conference or Workshop Item (Other), not refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Event End Date:11 April 2008
Deposited On:10 Feb 2009 12:44
Last Modified:10 Aug 2017 20:12
Additional Information:Science Wise Publishing
Publisher DOI:https://doi.org/10.3360/dis.2008.150

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