Jlab Proton Polarization Data in Aspect to Global Unitary and Analytic Model of Nucleon Electromagnetic Structure

Details Jlab Proton Polarization Data in Aspect to Global Unitary and Analytic Model of Nucleon Electromagnetic Structure Jlab Proton Polarization Data in Aspect to Global Unitary and Analytic Model of Nucleon Electromagnetic Structure

2004-01-12

arxiv.org/abs/hep-ph/0401081v1

Fizika B13 (2004) 287-294

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 6 figures. Contribution presented at NAPP'03 Int. Conference, May 26-31, 2003, Dubrovnik (Croatia)

Scientific paper

It is demonstrated that new JLAB proton polarization data, which are in a rather strong disagreement with the proton electric form factor data in the space-like region obtained by Rosenbluth technique, are consistent with all known form factor properties, including also the QCD asymptotics, but they require an existence of a zero (i.e. a diffraction minimum) around $t$=15 GeV$^2$ of the proton electric form factor. The latter leads to a change of our knowledge about the charge distribution inside of the proton.

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