Differential cross-section measurement of eta photoproduction on the proton from threshold to 1100-MeV - INSPIRE

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Differential cross-section measurement of eta photoproduction on the proton from threshold to 1100-MeV

GRAAL

Collaboration

Nov, 2000

5 pages

Published in:

Phys.Lett.B 528 (2002) 215-220

e-Print:

hep-ex/0011098 [hep-ex]

DOI:

10.1016/S0370-2693(02)01196-6

Experiments:

GRAAL

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Abstract: (Elsevier)

The differential cross section for the reaction p ( γ , ηp ) has been measured from threshold to 1100 MeV photon laboratory energy. For the first time, the region of the S 11 (1535) resonance is fully covered in a photoproduction experiment and will allow a precise extraction of its parameters at the photon point. These high precision data together with the already measured beam asymmetry data will provide stringent constraints on the extraction of new couplings of baryon resonances to the η meson.

Note:

10 pages, 5 figures, submitted to Phys. Letters B. Typos corrected. Some more information on the S11(1535) parameters

13.60.Le
13.88.+e
14.20.Gk
25.20.Lj
Eta photoproduction
Differential cross section
Polarization observables
Photon beam asymmetry
Baryon resonances
photon p: exclusive reaction

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Figures(0)

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