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Dutz H, Helbing K, Krimmer J, et al. First Measurement of the Gerasimov-Drell-Hearn Sum Rule for 1H from 0.7 to 1.8 GeV at ELSA. Phys Rev Lett. 2003;91(19):192001doi: 10.1103/PhysRevLett.91.192001.
Dutz, H., Helbing, K., Krimmer, J., Speckner, T., Zeitler, G., Ahrens, J., Altieri, S., Annand, J. R., Anton, G., Arends, H. J., Beck, R., Bock, A., Bradtke, C., Braghieri, A., v Drachenfels, W., Frommberger, F., Godo, M., Goertz, S., Grabmayr, P., Hasegawa, S., Hansen, K., Harmsen, J., Heid, E., Hillert, W., Holvoet, H., Horikawa, N., Iwata, T., Van Hoorebeke, L., d'Hose, N., Jennewein, P., Kiel, B., Klein, F., Kondratiev, R., Lang, M., Lannoy, B., Leukel, R., Lisin, V., Menze, D., Meyer, W., Michel, T., Naumann, J., Panzeri, A., Pedroni, P., Pinelli, T., Preobrajenski, I., Radtke, E., Reicherz, G., Rohlof, C., Rostomyan, T., Sauer, M., Schoch, B., Schumacher, M., Tamas, G., Thomas, A., van de Vyver, R., Weihofen, W., Zapadtka, F. (2003). First Measurement of the Gerasimov-Drell-Hearn Sum Rule for 1H from 0.7 to 1.8 GeV at ELSA. Physical review letters, 91(19), 192001. https://doi.org/10.1103/PhysRevLett.91.192001
Dutz, H, et al. "First Measurement of the Gerasimov-Drell-Hearn Sum Rule for 1H from 0.7 to 1.8 GeV at ELSA." Physical review letters vol. 91,19 (2003): 192001. doi: https://doi.org/10.1103/PhysRevLett.91.192001
Dutz H, Helbing K, Krimmer J, Speckner T, Zeitler G, Ahrens J, Altieri S, Annand JR, Anton G, Arends HJ, Beck R, Bock A, Bradtke C, Braghieri A, v Drachenfels W, Frommberger F, Godo M, Goertz S, Grabmayr P, Hasegawa S, Hansen K, Harmsen J, Heid E, Hillert W, Holvoet H, Horikawa N, Iwata T, Van Hoorebeke L, d'Hose N, Jennewein P, Kiel B, Klein F, Kondratiev R, Lang M, Lannoy B, Leukel R, Lisin V, Menze D, Meyer W, Michel T, Naumann J, Panzeri A, Pedroni P, Pinelli T, Preobrajenski I, Radtke E, Reicherz G, Rohlof C, Rostomyan T, Sauer M, Schoch B, Schumacher M, Tamas G, Thomas A, van de Vyver R, Weihofen W, Zapadtka F. First Measurement of the Gerasimov-Drell-Hearn Sum Rule for 1H from 0.7 to 1.8 GeV at ELSA. Phys Rev Lett. 2003 Nov 07;91(19):192001. doi: 10.1103/PhysRevLett.91.192001. Epub 2003 Nov 04. PMID: 14611575.
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Phys Rev Lett. 2003 Nov 07;91(19):192001. doi: 10.1103/PhysRevLett.91.192001. Epub 2003 Nov 04.

First Measurement of the Gerasimov-Drell-Hearn Sum Rule for 1H from 0.7 to 1.8 GeV at ELSA.

Physical review letters

H Dutz, K Helbing, J Krimmer, T Speckner, G Zeitler, J Ahrens, S Altieri, J R M Annand, G Anton, H-J Arends, R Beck, A Bock, C Bradtke, A Braghieri, W v Drachenfels, F Frommberger, M Godo, S Goertz, P Grabmayr, S Hasegawa, K Hansen, J Harmsen, E Heid, W Hillert, H Holvoet, N Horikawa, T Iwata, L Van Hoorebeke, N d'Hose, P Jennewein, B Kiel, F Klein, R Kondratiev, M Lang, B Lannoy, R Leukel, V Lisin, D Menze, W Meyer, T Michel, J Naumann, A Panzeri, P Pedroni, T Pinelli, I Preobrajenski, E Radtke, G Reicherz, C Rohlof, T Rostomyan, M Sauer, B Schoch, M Schumacher, G Tamas, A Thomas, R van de Vyver, W Weihofen, F Zapadtka,

Affiliations

  1. Physikalisches Institut, Universität Bonn, D-53115 Bonn, Germany.

PMID: 14611575 DOI: 10.1103/PhysRevLett.91.192001

Abstract

To verify the fundamental Gerasimov-Drell-Hearn (GDH) sum rule for the first time experimentally, we measured the helicity dependent total photoabsorption cross section with circularly polarized real photons and longitudinally polarized nucleons in the photon energy range 0.68-1.82 GeV with the tagged photon facility at ELSA. The experiment was carried out with a 4pi detection system, a circularly polarized tagged photon beam, and a frozen spin polarized proton target. The contribution to the GDH sum rule in this photon energy range is [49.9+/-2.4(stat)+/-2.2(syst)] microb.

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