First measurement of target and beam-target asymmetries in the gamma p -> pi(0)eta p reaction

A2 Collaboration MAMI, 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. HamiltonD. Hornidge, 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, D. P. Watts

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

The first data on target and beam-target asymmetries for the gamma p -> pi(0)eta p 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 Delta 3/2-amplitude is confirmed. The data are in particular sensitive to small contributions from other partial waves.

Original languageEnglish
Article number055208
Number of pages9
JournalPhysical Review C
Issue number5
Publication statusPublished - 26 May 2015

Keywords / Materials (for Non-textual outputs)

  • I-S
  • MAMI
  • P-PI(0)ETA


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