Measurement of the G asymmetry for the γp → Nπ channels in the Δ(1232) resonance region

J. Ahrens; S. Altieri; J. R.M. Annand; H. J. Arends; R. Beck; A. Braghieri; N. D'Hose; H. Dutz; S. Goertz; P. Grabmayr; S. Hasegawa; E. Heid; H. Holvoet; L. Van Hoorebeke; N. Horikawa; T. Iwata; O. Jahn; P. Jennewein; R. Kondratiev; J. Krimmer; M. Lang; B. Lannoy; K. Livingston; J. C. McGeorge; W. Meyer; A. Panzeri; P. Pedroni; T. Pinelli; I. Preobrajenski; G. Reicherz; G. Rosner; M. Rost; T. Rostomyan; D. Ryckbosch; M. Schumacher; B. Seitz; G. Tamas; A. Thomas; R. Van De Vyver; Th Walcher; F. Zapadtka

doi:10.1140/epja/i2005-10158-3

Measurement of the G asymmetry for the γp → Nπ channels in the Δ(1232) resonance region

J. Ahrens, S. Altieri, J. R.M. Annand, H. J. Arends, R. Beck, A. Braghieri, N. D'Hose, H. Dutz, S. Goertz, P. Grabmayr, S. Hasegawa, E. Heid, H. Holvoet, L. Van Hoorebeke, N. Horikawa, T. Iwata, O. Jahn, P. Jennewein, R. Kondratiev, J. KrimmerM. Lang, B. Lannoy, K. Livingston, J. C. McGeorge, W. Meyer, A. Panzeri, P. Pedroni, T. Pinelli, I. Preobrajenski, G. Reicherz, G. Rosner, M. Rost, T. Rostomyan, D. Ryckbosch, M. Schumacher, B. Seitz, G. Tamas, A. Thomas, R. Van De Vyver, Th Walcher, F. Zapadtka

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

The G asymmetry of the γp → Nπ reaction has been measured for the first time for E _γ = 340±14 MeV. This observable, for which very scarce published data exist, plays an important role to disentangle the contributions of the various nucleon resonances. The experiment, performed at the Mainz microtron MAMI, used a 4π-detector system, a linearly polarized, tagged photon beam, and a longitudinally polarized proton target.

Original language	English
Pages (from-to)	135-140
Number of pages	6
Journal	European Physical Journal A
Volume	26
Issue number	1
DOIs	https://doi.org/10.1140/epja/i2005-10158-3
Publication status	Published - Oct 2005
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1140/epja/i2005-10158-3

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Ahrens, J., Altieri, S., Annand, J. R. M., Arends, H. J., Beck, R., Braghieri, A., D'Hose, N., Dutz, H., Goertz, S., Grabmayr, P., Hasegawa, S., Heid, E., Holvoet, H., Van Hoorebeke, L., Horikawa, N., Iwata, T., Jahn, O., Jennewein, P., Kondratiev, R., ... Zapadtka, F. (2005). Measurement of the G asymmetry for the γp → Nπ channels in the Δ(1232) resonance region. European Physical Journal A, 26(1), 135-140. https://doi.org/10.1140/epja/i2005-10158-3

Measurement of the G asymmetry for the γp → Nπ channels in the Δ(1232) resonance region. / Ahrens, J.; Altieri, S.; Annand, J. R.M.; Arends, H. J.; Beck, R.; Braghieri, A.; D'Hose, N.; Dutz, H.; Goertz, S.; Grabmayr, P.; Hasegawa, S.; Heid, E.; Holvoet, H.; Van Hoorebeke, L.; Horikawa, N.; Iwata, T.; Jahn, O.; Jennewein, P.; Kondratiev, R.; Krimmer, J.; Lang, M.; Lannoy, B.; Livingston, K.; McGeorge, J. C.; Meyer, W.; Panzeri, A.; Pedroni, P.; Pinelli, T.; Preobrajenski, I.; Reicherz, G.; Rosner, G.; Rost, M.; Rostomyan, T.; Ryckbosch, D.; Schumacher, M.; Seitz, B.; Tamas, G.; Thomas, A.; Van De Vyver, R.; Walcher, Th; Zapadtka, F.

In: European Physical Journal A, Vol. 26, No. 1, 10.2005, p. 135-140.

Research output: Contribution to journal › Article › peer-review

Ahrens, J, Altieri, S, Annand, JRM, Arends, HJ, Beck, R, Braghieri, A, D'Hose, N, Dutz, H, Goertz, S, Grabmayr, P, Hasegawa, S, Heid, E, Holvoet, H, Van Hoorebeke, L, Horikawa, N, Iwata, T, Jahn, O, Jennewein, P, Kondratiev, R, Krimmer, J, Lang, M, Lannoy, B, Livingston, K, McGeorge, JC, Meyer, W, Panzeri, A, Pedroni, P, Pinelli, T, Preobrajenski, I, Reicherz, G, Rosner, G, Rost, M, Rostomyan, T, Ryckbosch, D, Schumacher, M, Seitz, B, Tamas, G, Thomas, A, Van De Vyver, R, Walcher, T & Zapadtka, F 2005, 'Measurement of the G asymmetry for the γp → Nπ channels in the Δ(1232) resonance region', European Physical Journal A, vol. 26, no. 1, pp. 135-140. https://doi.org/10.1140/epja/i2005-10158-3

Ahrens, J. ; Altieri, S. ; Annand, J. R.M. ; Arends, H. J. ; Beck, R. ; Braghieri, A. ; D'Hose, N. ; Dutz, H. ; Goertz, S. ; Grabmayr, P. ; Hasegawa, S. ; Heid, E. ; Holvoet, H. ; Van Hoorebeke, L. ; Horikawa, N. ; Iwata, T. ; Jahn, O. ; Jennewein, P. ; Kondratiev, R. ; Krimmer, J. ; Lang, M. ; Lannoy, B. ; Livingston, K. ; McGeorge, J. C. ; Meyer, W. ; Panzeri, A. ; Pedroni, P. ; Pinelli, T. ; Preobrajenski, I. ; Reicherz, G. ; Rosner, G. ; Rost, M. ; Rostomyan, T. ; Ryckbosch, D. ; Schumacher, M. ; Seitz, B. ; Tamas, G. ; Thomas, A. ; Van De Vyver, R. ; Walcher, Th ; Zapadtka, F. / Measurement of the G asymmetry for the γp → Nπ channels in the Δ(1232) resonance region. In: European Physical Journal A. 2005 ; Vol. 26, No. 1. pp. 135-140.

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abstract = "The G asymmetry of the γp → Nπ reaction has been measured for the first time for E γ = 340±14 MeV. This observable, for which very scarce published data exist, plays an important role to disentangle the contributions of the various nucleon resonances. The experiment, performed at the Mainz microtron MAMI, used a 4π-detector system, a linearly polarized, tagged photon beam, and a longitudinally polarized proton target.",

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AU - Ahrens, J.

AU - Altieri, S.

AU - Annand, J. R.M.

AU - Arends, H. J.

AU - Beck, R.

AU - Braghieri, A.

AU - D'Hose, N.

AU - Dutz, H.

AU - Goertz, S.

AU - Grabmayr, P.

AU - Hasegawa, S.

AU - Heid, E.

AU - Holvoet, H.

AU - Van Hoorebeke, L.

AU - Horikawa, N.

AU - Iwata, T.

AU - Jahn, O.

AU - Jennewein, P.

AU - Kondratiev, R.

AU - Krimmer, J.

AU - Lang, M.

AU - Lannoy, B.

AU - Livingston, K.

AU - McGeorge, J. C.

AU - Meyer, W.

AU - Panzeri, A.

AU - Pedroni, P.

AU - Pinelli, T.

AU - Preobrajenski, I.

AU - Reicherz, G.

AU - Rosner, G.

AU - Rost, M.

AU - Rostomyan, T.

AU - Ryckbosch, D.

AU - Schumacher, M.

AU - Seitz, B.

AU - Tamas, G.

AU - Thomas, A.

AU - Van De Vyver, R.

AU - Walcher, Th

AU - Zapadtka, F.

PY - 2005/10

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Measurement of the G asymmetry for the γp → Nπ channels in the Δ(1232) resonance region

Abstract

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