Ahrens, J. et al. (2000) Helicity dependence of γp→Nπ below 450 MeV and contribution to the Gerasimov-Drell-Hearn sum rule. Physical Review Letters, 84(26), pp. 5950-5954. (doi: 10.1103/PhysRevLett.84.5950)
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Abstract
The helicity dependence of the single pion photoproduction on the proton has been measured in the energy range from 200 to 450 MeV for the first time. The experiment, performed at the Mainz microtron MAMI, used a 4π-detector system, a circularly polarized, tagged photon beam, and a frozen-spin target. The data obtained provide new information for multipole analyses of pion photoproduction and determine the main contributions to the Gerasimov-Drell-Hearn sum rule and the forward spin polarizability γ0.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | McGeorge, Dr John and Seitz, Dr Bjoern and Owens, Professor Robert and Annand, Dr John |
Authors: | Ahrens, J., Altieri, S., Annand, J.R.M., Anton, G., Arends, H.-J., Aulenbacher, K., Beck, R., Bradtke, C., Braghieri, A., Degrande, N., d'Hose, N., Dutz, H., Goertz, S., Grabmayr, P., Hansen, K., Harmsen, J., von Harrach, D., Hasegawa, S., Hasegawa, T., Heid, E., Helbing, K., Holvoet, H., Van Hoorebeke, L., Horikawa, N., Iwata, T., Jennewein, P., Kageya, T., Kiel, B., Klein, F., Kondratiev, R., Kossert, K., Krimmer, J., Lang, M., Lannoy, B., Leukel, R., Lisin, V., Matsuda, T., McGeorge, J., Meier, A., Menze, D., Meyer, W., Michel, T., Naumann, J., Owens, R.O., Panzeri, A., Pedroni, P., Pinelli, T., Preobrajenski, I., Radtke, E., Reichert, E., Reicherz, G., Rohlof, C., Ryckbosch, D., Sadiq, F., Sauer, M., Schoch, B., Schumacher, M., Seitz, B., Speckner, T., Steigerwald, M., Takabayashi, N., Tamas, G., Thomas, A., van de Vyver, R., Wakai, A., Weihofen, W., Wissmann, F., Zapadtka, F., and Zeitler, G. |
College/School: | College of Science and Engineering > School of Physics and Astronomy |
Journal Name: | Physical Review Letters |
Publisher: | American Physical Society |
ISSN: | 0031-9007 |
ISSN (Online): | 1079-7114 |
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