Article
η Photoproduction on the Proton for Photon Energies from 0.75 to 1.95 GeV
Physical Review Letters
Document Type
Article
Article Version
Publisher's PDF
Publication Date
1-1-2002
Disciplines
Abstract
Differential cross sections for γp→ηp have been measured with tagged real photons for incident photon energies from 0.75 to 1.95 GeV. Mesons were identified by missing mass reconstruction using kinematical information for protons scattered in the production process. The data provide the first extensive angular distribution measurements for the process above W=1.75 GeV. Comparison with preliminary results from a constituent quark model support the suggestion that a third S11 resonance with mass ~1.8 GeV couples to the ηN channel.
Comments
Copyright American Physical Society
Publisher final version available at
http://prl.aps.org/pdf/PRL/v89/i22/e222002
and
http://prl.aps.org/pdf/PRL/v89/i24/e249904
Published Citation
M. Dugger et al. [CLAS Collaboration], "η Photoproduction on the Proton for Photon Energies from 0.75 to 1.95 GeV", Physical Review Letters 89, 222002 (2002) [Erratum-ibid. 89, 249904 (2002)].
DOI: 10.1103/PhysRevLett.89.222002
DOI
0.1103/PhysRevLett.89.222002
None
Peer Reviewed
Citation Information
M. Dugger, Angela Biselli and CLAS Collaboration. "η Photoproduction on the Proton for Photon Energies from 0.75 to 1.95 GeV" Physical Review Letters Vol. 89 (2002) Available at: http://works.bepress.com/angela_biselli/90/