M Gottschall, F Afzal, A V Anisovich, D Bayadilov, R Beck, M Bichow, K Th Brinkmann, V Crede, M Dieterle, F Dietz, H Dutz, H Eberhardt, D Elsner, R Ewald, K Fornet-Ponse, St Friedrich, F Frommberger, A Gridnev, M Grüner, E Gutz, Ch Hammann, J Hannappel, J Hartmann, W Hillert, Ph Hoffmeister, Ch Honisch, T Jude, S Kammer, H Kalinowsky, I Keshelashvili, P Klassen, F Klein, E Klempt, K Koop, B Krusche, M Kube, M Lang, I Lopatin, P Mahlberg, K Makonyi, V Metag, W Meyer, J Müller, J Müllers, M Nanova, V Nikonov, R Novotny, D Piontek, G Reicherz, T Rostomyan, A Sarantsev, Ch Schmidt, H Schmieden, T Seifen, V Sokhoyan, K Spieker, A Thiel, U Thoma, M Urban, H van Pee, D Walther, Ch Wendel, D Werthmüller, U Wiedner, A Wilson, A Winnebeck, L Witthauer, Y Wunderlich
A measurement of the double-polarization observable E for the reaction <mml:math xmlns:mml="https://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>γ</mml:mi> <mml:mi>p</mml:mi> <mml:mo>→</mml:mo> <mml:msup> <mml:mi>π</mml:mi> <mml:mn>0</mml:mn> </mml:msup> <mml:mi>p</mml:mi> </mml:mrow> </mml:math> is reported. The data were taken with the CBELSA/TAPS experiment at the ELSA facility in Bonn using the Bonn frozen-spin butanol (C <mml:math xmlns:mml="https://www...
2021: The European physical journal. A, Hadrons and nuclei