Title of article
The image reaction: Consistent high-spin interactions and Bayesian inference of its resonance content
Author/Authors
T. Vrancx، نويسنده , , L. De Cruz، نويسنده , , J. Ryckebusch، نويسنده , , P. Vancraeyveld، نويسنده ,
Issue Information
دوهفته نامه با شماره پیاپی سال 2013
Pages
5
From page
74
To page
78
Abstract
A Bayesian analysis of the worldʼs image data is presented. We adopt a Regge-plus-resonance framework featuring consistent interactions for nucleon resonances up to spin image. The power of the momentum dependence of the consistent interaction structure rises with the spin of the resonance. This leads to unphysical structures in the energy dependence of the computed cross sections when the short-distance physics is cut off with standard hadronic form factors. A plausible, spin-dependent modification of the hadronic form factor is proposed which suppresses the unphysical artifacts. Next, we evaluate all possible combinations of 11 candidate resonances. The best model is selected from the 2048 model variants by calculating the Bayesian evidence values against the worldʼs image data. From the proposed selection of 11 resonances, we find that the following nucleon resonances have the highest probability of contributing to the reaction: image, image, image, image, image, image, image, and image.
Keywords
Kaon production , Baryon resonances , Consistent interactions , Regge phenomenology , Bayesian inference
Journal title
Nuclear physics A
Serial Year
2013
Journal title
Nuclear physics A
Record number
1204387
Link To Document