First measurement of target and beam-target asymmetries in the [gamma] p [right arrow] [pi superscript 0][eta] p reaction

Annand, J. R. M.; Arends, H. J.; Beck, R.; Borisov, N.; Braghieri, A.; Briscoe, W. J.; Cherepnya, S.; Collicott, Cristina; Costanza, S.; Downie, E. J.; Sarty, Adam James, 1965-

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First measurement of target and beam-target asymmetries in the [gamma] p [right arrow] [pi superscript 0][eta] p reaction

Annand, J. R. M.; Arends, H. J.; Beck, R.; Borisov, N.; Braghieri, A.; Briscoe, W. J.; Cherepnya, S.; Collicott, Cristina; Costanza, S.; Downie, E. J.; Sarty, Adam James, 1965-

Date: 2015-05-26

Type: Text

ISSN: 0556-2813

Source:

Physical Review C 91(5), 055208. (2015)

Abstract:

The first data on target and beam-target asymmetries for the [gamma] p [right arrow] [pi superscript 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 [superscript −] amplitude is confirmed. The data are in particular sensitive to small contributions from other partial waves.

Description:

Publisher's version/PDF

Subject:

Photons
Nuclear reactions
Particle beams

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Article is made available in accordance with the publisher’s policy and is subject to copyright law. Please refer to the publisher’s site. Any re-use of this article is to be in accordance with the publisher’s copyright policy. This posting is in no way granting any permission for re-use to the reader/user.

Published Version: https://doi.org/10.1103/PhysRevC.91.055208