Neutral pion photoproduction has been measured from 550 to 1500 MeV with the GRAAL facility, located at the ESRF in Grenoble. Differential cross-section and beam asymmetry have been measured over a wide angular range. These high-precision data improve significantly the database for the beam asymmetry in the second and third resonance regions covering for the first time the energy domain 1100-1500 MeV. New partial-wave analyses including these data are presented for which the beam asymmetry brings crucial constraints.

Bartalini, O., Bellini, V., Bocquet, J., Capogni, M., Casano, L., Castoldi, M., et al. (2005). Measurement of pi(0) photoproduction on the proton from 550 to 1500 MeV at GRAAL. THE EUROPEAN PHYSICAL JOURNAL. A, HADRONS AND NUCLEI, 26, 399-419 [10.1140/epja/i2005-10191-2].

Measurement of pi(0) photoproduction on the proton from 550 to 1500 MeV at GRAAL

BARTALINI, ORIETTA;D'ANGELO, ANNALISA;FANTINI, ALESSIA;LAPIK, ALEXANDER;SCHAERF, CARLO;
2005-01-01

Abstract

Neutral pion photoproduction has been measured from 550 to 1500 MeV with the GRAAL facility, located at the ESRF in Grenoble. Differential cross-section and beam asymmetry have been measured over a wide angular range. These high-precision data improve significantly the database for the beam asymmetry in the second and third resonance regions covering for the first time the energy domain 1100-1500 MeV. New partial-wave analyses including these data are presented for which the beam asymmetry brings crucial constraints.
2005
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore FIS/04 - FISICA NUCLEARE E SUBNUCLEARE
English
Con Impact Factor ISI
SIGMA-BEAM ASYMMETRY; POSITIVE PION-PHOTOPRODUCTION; ETA-PHOTOPRODUCTION; BGO CALORIMETER; PRECISE MEASUREMENT; MONITORING-SYSTEM; RESONANCES; EXTRACTION
http://link.springer.com/article/10.1140/epja/i2005-10191-2
Bartalini, O., Bellini, V., Bocquet, J., Capogni, M., Casano, L., Castoldi, M., et al. (2005). Measurement of pi(0) photoproduction on the proton from 550 to 1500 MeV at GRAAL. THE EUROPEAN PHYSICAL JOURNAL. A, HADRONS AND NUCLEI, 26, 399-419 [10.1140/epja/i2005-10191-2].
Bartalini, O; Bellini, V; Bocquet, J; Capogni, M; Casano, L; Castoldi, M; Calvat, P; D'Angelo, A; Di Salvo, R; Fantini, A; Gaulard, C; Gervino, G; Ghio, F; Girolami, B; Giusa, A; Kouznetsov, V; Lapik, A; Sandri, P; Lleres, A; Moricciani, D; Mushkarenkov, A; Nedorezov, V; Nicoletti, L; Perrin, C; Rebreyend, D; Renard, F; Rudnev, N; Russew, T; Russo, G; Schaerf, C; Sperduto, M; Sutera, M; Turinge, A
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/96559
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