Photoproduction of neutral pions off protons

V. Crede et al. (The CBELSA/TAPS Collaboration)
Phys. Rev. C 84, 055203 – Published 9 November 2011

Abstract

Photoproduction of neutral pions has been studied with the CBELSA/TAPS detector in the reaction γppπ0 for photon energies between 0.85 and 2.50 GeV. The π0 mesons are observed in their dominant neutral decay mode: π0γγ. For the first time, the differential cross sections cover the very forward region, θc.m.<60. A partial-wave analysis of these data within the Bonn-Gatchina framework observes the high-mass resonances G17(2190), D13(2080), and D15(2070).

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  • Received 18 July 2011

DOI:https://doi.org/10.1103/PhysRevC.84.055203

©2011 American Physical Society

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Vol. 84, Iss. 5 — November 2011

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