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The reaction gamma N -> eta N is studied in the high-energy regime (with photon lab energies E gamma(lab) > 4 GeV) using information from the resonance region through the… Click to show full abstract
The reaction gamma N -> eta N is studied in the high-energy regime (with photon lab energies E gamma(lab) > 4 GeV) using information from the resonance region through the use of finite-energy sum rules. We illustrate how analyticity allows one to map the t dependence of the unknown Regge residue functions. We provide predictions for the energy dependence of the beam asymmetry at high energies.
Keywords:
finite energy;
rules eta;
energy;
sum rules;
energy sum
Journal Title: Physical Review D
Year Published: 2017
Link to full text (if available)
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Journal Title: Physical Review D
Year Published: 2017
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!