6533b857fe1ef96bd12b5070
RESEARCH PRODUCT
Finite-energy sum rules in eta photoproduction off a nucleon
Alessandro PilloniA. N. Hiller BlinA. N. Hiller BlinA. JackuraAdam P. SzczepaniakAdam P. SzczepaniakCésar Fernández-ramírezGeoffrey C. FoxMikhail MikhasenkoJan RyckebuschJannes NysVincent Mathieusubject
Particle physicsPhotonmedia_common.quotation_subjectFOS: Physical sciences01 natural sciencesAsymmetryKINEMATIC SINGULARITIESphysics and astronomy (miscellaneous)High Energy Physics - Phenomenology (hep-ph)PION0103 physical sciencesSCATTERINGEXCHANGENuclear Experiment010306 general physicsmedia_commonPhysicsREGGE-POLES010308 nuclear & particles physics3. Good healthHigh Energy Physics - PhenomenologyPhysics and AstronomyHELICITY AMPLITUDESC =-1MESON PHOTOPRODUCTIONHigh Energy Physics::ExperimentFACTORIZATIONQUARK-MODELNucleondescription
The reaction ${\gamma}N \to {\eta}N$ is studied in the high-energy regime (with photon lab energies $E_{\gamma}^{\textrm{lab}} > 4$ GeV) using information from the resonance region through the use of finite-energy sum rules (FESR). 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.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2016-11-14 | Physical Review D |