1. First Results on Nucleon Resonance Photocouplings from
p+p-p Photoproduction Data from CLAS
Fully integrated p+p-p photoproduction cross
sections off protons at 1.60 GeV<W<2.00 GeV
E.N. Golovatch, V.D. Burkert, D.S. Carman, R.W. Gothe, K. Hicks, B.S. Ishkhanov, V.I. Mokeev , E. Pasyuk and
CLAS Collaboration, Phys. Lett B 788, 371 (2019)
Description of nine
1-fold differential cross
sections within JM18
model at W=1.73 GeV:
Full JM18
Non-resonant
contributions
Resonant
contributions
Good data description with c2/d.p.<1.30
Credible isolation of the resonance contributions
Unitarized Breit-Wigner ansatz for extraction of resonance photocouplings
First results on photocouplings
of most resonances in the mass
range 1.6 GeV – 2.0 GeV from
p+p-p photoproduction off
protons
p+p-p channel is an important
source of results on the photo-
couplings of many resonances
that decay preferentially to
the Npp final states