scholarly journals Multipole amplitudes of pion photoproduction on nucleons up to2GeVusing dispersion relations and the unitary isobar model

2003 ◽  
Vol 67 (1) ◽  
Author(s):  
I. G. Aznauryan
Keyword(s):  
Dispersion Relations ◽  
Pion Photoproduction ◽  
Isobar Model ◽  
Multipole Amplitudes

On the isobar model for pion photoproduction

1966 ◽  
Vol 23 (6) ◽  
pp. 378-380
Author(s):  
I. Raszillier
Keyword(s):  
Pion Photoproduction ◽  
Isobar Model

scholarly journals Unitarity, analyticity and duality constraints in η and π photoproduction

2019 ◽  
Vol 199 ◽  
pp. 02002
Author(s):  
Mikhail Gorchtein
Keyword(s):  
Dispersion Relation ◽  
Pion Photoproduction ◽  
Double Counting ◽  
New Approach ◽  
Isobar Model ◽  
Overlap Region

We report an update of the isobar model EtaMAID. A new approach is proposed to avoid double counting in the overlap region of Regge and resonances. Dispersion relation is applied on top of the isobar model, and both models describe the data equally well. Application of these ideas to pion photoproduction is discussed.

Applications of interior dispersion relations to pion photoproduction near threshold

1978 ◽  
Vol 18 (3) ◽  
pp. 660-669 ◽  
Author(s):  
Robert McClaskey ◽  
Richard J. Jacob ◽  
Gerald E. Hite
Keyword(s):  
Dispersion Relations ◽  
Pion Photoproduction ◽  
Near Threshold

Fixed-t dispersion relations for pion photoproduction in the second resonance region

1971 ◽  
Vol 1 (1) ◽  
pp. 155-170 ◽  
Author(s):  
R. C. E. Devenish ◽  
W. J. Leigh ◽  
D. H. Lyth ◽  
A. Rankin
Keyword(s):  
Resonance Region ◽  
Dispersion Relations ◽  
Pion Photoproduction
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