N(1520) 3/2(-) helicity amplitudes from an energy-independent multipole analysis based on new polarization data on photoproduction of neutral pions.
Phys Rev Lett
; 113(6): 062001, 2014 Aug 08.
Article
em En
| MEDLINE
| ID: mdl-25148317
New data on the polarization observables T, P, and H for the reaction γpâpπ(0) are reported. The results are extracted from azimuthal asymmetries when a transversely polarized butanol target and a linearly polarized photon beam are used. The data were taken at the Bonn electron stretcher accelerator ELSA using the CBELSA/TAPS detector. These and earlier data are used to perform a truncated energy-independent partial wave analysis in sliced-energy bins. This energy-independent analysis is compared to the results from energy-dependent partial wave analyses.
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MEDLINE
Idioma:
En
Ano de publicação:
2014
Tipo de documento:
Article