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The polarization observables T, P, and H and their impact on gamma p -< p pi(0) multipoles

Hartmann, J. and Dutz, H. and Anisovich, A. V. and Bayadilov, D. and Beck, R. and Becker, M. and Beloglazov, Y. and Berlin, A. and Bichow, M. and Boese, S. and Brinkmann, K. -Th. and Crede, V. and Dieterle, M. and Eberhardt, H. and Elsner, D. and Fornet-Ponse, K. and Friedrich, St. and Frommberger, F. and Funke, Ch. and Gottschall, M. and Gridnev, A. and Gruener, M. and Goertz, St. and Gutz, E. and Hammann, Ch. and Hannappel, J. and Hannen, V. and Herick, J. and Hillert, W. and Hoffmeister, Ph. and Honisch, Ch. and Jahn, O. and Jude, T. and Kaeser, A. and Kaiser, D. and Kalinowsky, H. and Kalischewski, F. and Klassen, R. and Keshelashvili, I. and Klein, F. and Klempt, E. and Koop, K. and Krusche, B. and Kube, M. and Lang, M. and Lopatin, I. and Makonyi, K. and Messi, F. and Metag, V. and Meyer, W. and Mueller, J. and Nanova, M. and Nikonov, V. and Novinski, D. and Novotny, R. and Piontek, D. and Reeve, S. and Rosenbaum, Ch. and Roth, B. and Reicherz, G. and Rostomyan, T. and Runkel, St. and Sarantsev, A. and Schmidt, Ch. and Schmieden, H. and Schmitz, R. and Seifen, T. and Sokhoyan, V. and Thaemer, Ph. and Thiel, A. and Thoma, U. and Urban, M. and van Pee, H. and Walther, D. and Wendel, Ch. and Wiedner, U. and Wilson, A. and Winnebeck, A. and Witthauer, L.. (2015) The polarization observables T, P, and H and their impact on gamma p -< p pi(0) multipoles. Physics letters B, 748. pp. 212-220.

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Official URL: http://edoc.unibas.ch/40406/

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Abstract

Data on the polarization observables T, P, and H for the reaction gamma p -&gt; p pi(0) are reported. Compared to earlier data from other experiments, our data are more precise and extend the covered range in energy and angle substantially. The results were extracted from azimuthal asymmetries measured using a transversely polarized target and linearly polarized photons. The data were taken at the Bonn electron stretcher accelerator ELSA with the CBELSA/TAPS detector. Within the Bonn-Gatchina partial wave analysis, the new polarization data lead to a significant narrowing of the error band for the multipoles for neutral-pion photoproduction. (C) 2015 The Authors. Published by Elsevier B.V.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Hadronenphysik (Krusche)
UniBasel Contributors:Krusche, Bernd
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Elsevier B.V.
ISSN:0370-2693
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:30 Jun 2016 11:01
Deposited On:09 May 2016 09:11

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