First measurement of target and beam-target asymmetries in the γp→π0ηp reaction

J. R.M. Annand, H. J. Arends, R. Beck, N. Borisov, A. Braghieri, W. J. Briscoe, S. Cherepnya, C. Collicott, S. Costanza, E. J. Downie, M. Dieterle, A. Fix, L. V. Fil'kov, S. Garni, D. I. Glazier, W. Gradl, G. Gurevich, P. Hall Barrientos, D. Hamilton, D. Hornidge & 47 others D. Howdle, G. M. Huber, V. L. Kashevarov, I. Keshelashvili, R. Kondratiev, M. Korolija, B. Krusche, A. Lazarev, V. Lisin, K. Livingston, I. J.D. MacGregor, J. Mancel, D. M. Manley, P. P. Martel, E. F. McNicoll, W. Meyer, D. G. Middleton, R. Miskimen, A. Mushkarenkov, A. Neganov, A. Nikolaev, M. Oberle, H. Ortega, M. Ostrick, P. Ott, P. B. Otte, B. Oussena, P. Pedroni, A. Polonski, V. V. Polyanski, S. Prakhov, G. Reicherz, T. Rostomyan, A. Sarty, S. Schumann, O. Steffen, I. I. Strakovsky, Th Strub, I. Supek, L. Tiator, A. Thomas, M. Unverzagt, Yu A. Usov, D. P. Watts, D. Werthmüller, L. Witthauer, M. Wolfes

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Abstract

The first data on target and beam-target asymmetries for the γp→π0ηp reaction at photon energies from 1050 up to 1450 MeV are presented. The measurements were performed using the Crystal Ball and TAPS detector setup at the Glasgow tagged photon facility of the Mainz Microtron MAMI. The general assumption that the reaction is dominated by the Δ3/2- amplitude is confirmed. The data are in particular sensitive to small contributions from other partial waves.

Original languageEnglish
Article number055208
JournalPhysical Review C - Nuclear Physics
Volume91
Issue number5
DOIs
Publication statusPublished - 26 May 2015

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asymmetry
photons
balls
detectors
crystals
energy

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Annand, J. R. M., Arends, H. J., Beck, R., Borisov, N., Braghieri, A., Briscoe, W. J., ... Wolfes, M. (2015). First measurement of target and beam-target asymmetries in the γp→π0ηp reaction. Physical Review C - Nuclear Physics, 91(5), [055208]. https://doi.org/10.1103/PhysRevC.91.055208

First measurement of target and beam-target asymmetries in the γp→π0ηp reaction. / Annand, J. R.M.; Arends, H. J.; Beck, R.; Borisov, N.; Braghieri, A.; Briscoe, W. J.; Cherepnya, S.; Collicott, C.; Costanza, S.; Downie, E. J.; Dieterle, M.; Fix, A.; Fil'kov, L. V.; Garni, S.; Glazier, D. I.; Gradl, W.; Gurevich, G.; Hall Barrientos, P.; Hamilton, D.; Hornidge, D.; Howdle, D.; Huber, G. M.; Kashevarov, V. L.; Keshelashvili, I.; Kondratiev, R.; Korolija, M.; Krusche, B.; Lazarev, A.; Lisin, V.; Livingston, K.; MacGregor, I. J.D.; Mancel, J.; Manley, D. M.; Martel, P. P.; McNicoll, E. F.; Meyer, W.; Middleton, D. G.; Miskimen, R.; Mushkarenkov, A.; Neganov, A.; Nikolaev, A.; Oberle, M.; Ortega, H.; Ostrick, M.; Ott, P.; Otte, P. B.; Oussena, B.; Pedroni, P.; Polonski, A.; Polyanski, V. V.; Prakhov, S.; Reicherz, G.; Rostomyan, T.; Sarty, A.; Schumann, S.; Steffen, O.; Strakovsky, I. I.; Strub, Th; Supek, I.; Tiator, L.; Thomas, A.; Unverzagt, M.; Usov, Yu A.; Watts, D. P.; Werthmüller, D.; Witthauer, L.; Wolfes, M.

In: Physical Review C - Nuclear Physics, Vol. 91, No. 5, 055208, 26.05.2015.

Research output: Contribution to journalArticle

Annand, JRM, Arends, HJ, Beck, R, Borisov, N, Braghieri, A, Briscoe, WJ, Cherepnya, S, Collicott, C, Costanza, S, Downie, EJ, Dieterle, M, Fix, A, Fil'kov, LV, Garni, S, Glazier, DI, Gradl, W, Gurevich, G, Hall Barrientos, P, Hamilton, D, Hornidge, D, Howdle, D, Huber, GM, Kashevarov, VL, Keshelashvili, I, Kondratiev, R, Korolija, M, Krusche, B, Lazarev, A, Lisin, V, Livingston, K, MacGregor, IJD, Mancel, J, Manley, DM, Martel, PP, McNicoll, EF, Meyer, W, Middleton, DG, Miskimen, R, Mushkarenkov, A, Neganov, A, Nikolaev, A, Oberle, M, Ortega, H, Ostrick, M, Ott, P, Otte, PB, Oussena, B, Pedroni, P, Polonski, A, Polyanski, VV, Prakhov, S, Reicherz, G, Rostomyan, T, Sarty, A, Schumann, S, Steffen, O, Strakovsky, II, Strub, T, Supek, I, Tiator, L, Thomas, A, Unverzagt, M, Usov, YA, Watts, DP, Werthmüller, D, Witthauer, L & Wolfes, M 2015, 'First measurement of target and beam-target asymmetries in the γp→π0ηp reaction', Physical Review C - Nuclear Physics, vol. 91, no. 5, 055208. https://doi.org/10.1103/PhysRevC.91.055208
Annand, J. R.M. ; Arends, H. J. ; Beck, R. ; Borisov, N. ; Braghieri, A. ; Briscoe, W. J. ; Cherepnya, S. ; Collicott, C. ; Costanza, S. ; Downie, E. J. ; Dieterle, M. ; Fix, A. ; Fil'kov, L. V. ; Garni, S. ; Glazier, D. I. ; Gradl, W. ; Gurevich, G. ; Hall Barrientos, P. ; Hamilton, D. ; Hornidge, D. ; Howdle, D. ; Huber, G. M. ; Kashevarov, V. L. ; Keshelashvili, I. ; Kondratiev, R. ; Korolija, M. ; Krusche, B. ; Lazarev, A. ; Lisin, V. ; Livingston, K. ; MacGregor, I. J.D. ; Mancel, J. ; Manley, D. M. ; Martel, P. P. ; McNicoll, E. F. ; Meyer, W. ; Middleton, D. G. ; Miskimen, R. ; Mushkarenkov, A. ; Neganov, A. ; Nikolaev, A. ; Oberle, M. ; Ortega, H. ; Ostrick, M. ; Ott, P. ; Otte, P. B. ; Oussena, B. ; Pedroni, P. ; Polonski, A. ; Polyanski, V. V. ; Prakhov, S. ; Reicherz, G. ; Rostomyan, T. ; Sarty, A. ; Schumann, S. ; Steffen, O. ; Strakovsky, I. I. ; Strub, Th ; Supek, I. ; Tiator, L. ; Thomas, A. ; Unverzagt, M. ; Usov, Yu A. ; Watts, D. P. ; Werthmüller, D. ; Witthauer, L. ; Wolfes, M. / First measurement of target and beam-target asymmetries in the γp→π0ηp reaction. In: Physical Review C - Nuclear Physics. 2015 ; Vol. 91, No. 5.
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abstract = "The first data on target and beam-target asymmetries for the γp→π0ηp reaction at photon energies from 1050 up to 1450 MeV are presented. The measurements were performed using the Crystal Ball and TAPS detector setup at the Glasgow tagged photon facility of the Mainz Microtron MAMI. The general assumption that the reaction is dominated by the Δ3/2- amplitude is confirmed. The data are in particular sensitive to small contributions from other partial waves.",
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AU - Annand, J. R.M.

AU - Arends, H. J.

AU - Beck, R.

AU - Borisov, N.

AU - Braghieri, A.

AU - Briscoe, W. J.

AU - Cherepnya, S.

AU - Collicott, C.

AU - Costanza, S.

AU - Downie, E. J.

AU - Dieterle, M.

AU - Fix, A.

AU - Fil'kov, L. V.

AU - Garni, S.

AU - Glazier, D. I.

AU - Gradl, W.

AU - Gurevich, G.

AU - Hall Barrientos, P.

AU - Hamilton, D.

AU - Hornidge, D.

AU - Howdle, D.

AU - Huber, G. M.

AU - Kashevarov, V. L.

AU - Keshelashvili, I.

AU - Kondratiev, R.

AU - Korolija, M.

AU - Krusche, B.

AU - Lazarev, A.

AU - Lisin, V.

AU - Livingston, K.

AU - MacGregor, I. J.D.

AU - Mancel, J.

AU - Manley, D. M.

AU - Martel, P. P.

AU - McNicoll, E. F.

AU - Meyer, W.

AU - Middleton, D. G.

AU - Miskimen, R.

AU - Mushkarenkov, A.

AU - Neganov, A.

AU - Nikolaev, A.

AU - Oberle, M.

AU - Ortega, H.

AU - Ostrick, M.

AU - Ott, P.

AU - Otte, P. B.

AU - Oussena, B.

AU - Pedroni, P.

AU - Polonski, A.

AU - Polyanski, V. V.

AU - Prakhov, S.

AU - Reicherz, G.

AU - Rostomyan, T.

AU - Sarty, A.

AU - Schumann, S.

AU - Steffen, O.

AU - Strakovsky, I. I.

AU - Strub, Th

AU - Supek, I.

AU - Tiator, L.

AU - Thomas, A.

AU - Unverzagt, M.

AU - Usov, Yu A.

AU - Watts, D. P.

AU - Werthmüller, D.

AU - Witthauer, L.

AU - Wolfes, M.

PY - 2015/5/26

Y1 - 2015/5/26

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U2 - 10.1103/PhysRevC.91.055208

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