Abstract
The A4 collaboration at the MAMI facility has measured at backward angles the asymmetry in the elastic and quasielastic scattering of transversely polarized electrons on hydrogen and deuterium respectively. Some preliminary results will be presented.
Similar content being viewed by others
References
Arrington, J.: Implications of the discrepancy between proton form factor measurements. Phys. Rev. C 69, 022201 (2003)
Maas, F.E., et al.: Measurement of the transverse beam spin asymmetry in elastic electron-proton scattering and the inelastic contribution to the imaginary part of the two-photon exchange amplitude. Phys. Rev. Lett 94, 082001 (2004)
Capozza, L.: Background studies for the A4 experiment. Parity Violation InternationalWorkshop (PAVI 2009). Bar Harbor, USA (2009)
Baunack, S., et al.: Measurement of strange quark contributions to the vector form factors of the proton at Q 2 = 0.22 GeV2. Phys. Rev. Lett. 102, 151803 (2009)
Pasquini, B., Vanderhaeghen, M.: Resonance estimates for single spin asymmetries in elastic electron-nucleon scattering. Phys. Rev. C 70, 045206 (2004)
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Ríos, D.B. Two photon exchange and transverse spin asymmetries in the A4 experiment. Hyperfine Interact 200, 9–12 (2011). https://doi.org/10.1007/s10751-011-0270-3
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10751-011-0270-3