Helicity amplitudes A1/2 and A3/2 for the D13(1520) resonance obtained from the (gamma)over-right-arrow(p)over- right-arrow → p pi0 reaction

Ahrens, J. et al. (2002) Helicity amplitudes A1/2 and A3/2 for the D13(1520) resonance obtained from the (gamma)over-right-arrow(p)over- right-arrow → p pi0 reaction. Physical Review Letters, 88(23), art 232002. (doi:10.1103/PhysRevLett.88.232002)

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Publisher's URL: http://dx.doi.org/10.1103/PhysRevLett.88.232002

Abstract

The helicity dependence of the (γ) over right arrow(p) over right arrow →ppi(0) reaction has been measured for the first time in the photon-energy range from 550 to 790 MeV. The experiment, performed at the Mainz microtron MAMI, used a 4pi - detector system, a circularly polarized, tagged photon beam, and a longitudinally polarized frozen-spin target. These data are predominantly sensitive to the D-13(1520) resonance and are used to determine its helicity amplitudes.

Item Type:Articles
Additional Information:Thomson UT: 175860500017
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Seitz, Dr Bjoern and Annand, Dr John and Rosner, Professor Guenther
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., Drechsel, D., 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., Jahn, O., Jennewein, P., Kageya, T., Kamalov, S., Kiel, B., Klein, F., Kondratiev, R., Kossert, K., Krimmer, J., Lang, M., Lannoy, B., Leukel, R., Lisin, V., Matsuda, T., McGeorge, J.C., Meier, A., Menze, D., Meyer, W., Michel, T., Naumann, J., Panzeri, A., Pedroni, P., Pinelli, T., Preobrajenski, I., Radtke, E., Reichert, E., Reicherz, G., Rohlof, C., Rosner, G., Ryckbosch, D., Sauer, M., Schoch, B., Schumacher, M., Seitz, B., Speckner, T., Takabayashi, N., Tamas, G., Thomas, A., Tiator, L., Van Vyver, R., Wakai, A., Weihofen, W., Wissmann, F., Zapadtka, F., and Zeitler, G.
Subjects:Q Science > QC Physics
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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