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https://hdl.handle.net/2440/68535
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Type: | Journal article |
Title: | Neutral pion photoproduction at high energies |
Author: | Sibirtsev, A. Haidenbauer, J. Krewald, S. Meissner, U. Thomas, A. |
Citation: | European Physical Journal A: Hadrons and Nuclei, 2009; 41(1):71-84 |
Publisher: | Springer |
Issue Date: | 2009 |
ISSN: | 1434-6001 1434-601X |
Statement of Responsibility: | A. Sibirtsev, J. Haidenbauer, S. Krewald, U. -G. Meißner and A. W. Thomas |
Abstract: | A Regge model with absorptive corrections is employed in a global analysis of the world data on the reactions γ p → π0 p and γ n → π 0 n for photon energies from 3 to 18GeV. In this region resonance contributions are expected to be negligible so that the available experimental information on differential cross-sections and single and double polarization observables at - t 2 GeV2allows us to determine the reaction amplitude reliably. The model amplitude is then used to predict observables for photon energies below 3GeV. A detailed comparison with recent data from the CLAS and CB-ELSA Collaborations in that energy region is presented. Furthermore, the prospects for determining the π0 radiative decay width via the Primakoff effect from the reaction γ p → π 0 p are explored. © 2009 SIF, Springer-Verlag Berlin Heidelberg. |
Rights: | Copyright Società Italiana di Fisica / Springer-Verlag 2009 |
DOI: | 10.1140/epja/i2009-10771-0 |
Published version: | http://dx.doi.org/10.1140/epja/i2009-10771-0 |
Appears in Collections: | Aurora harvest Physics publications |
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