Affiliation:
1. Theoretical Physics Department, Dniepropetrovsk National University, Gagarin Av. 72, 49010 Dniepropetrovsk, Ukraine
Abstract
The new potential model for pionic hydrogen, constructed with the employment of the two-body relativistic equation, is offered. The relativistic equation, based on the extension of the SL(2, C) group to the Sp(4, C) one, describes the effect of the proton spin and anomalous magnetic moment in accordance with the results of the quantum electrodynamics. Within this approach, using the experimental data on the strong energy level shift and width of the 1s state in pionic hydrogen as input, the pion–nucleon scattering lengths have been evaluated to be [Formula: see text] and [Formula: see text]
Publisher
World Scientific Pub Co Pte Lt
Subject
General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics
Cited by
2 articles.
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1. Lorentz contracted proton;Journal of High Energy Physics;2015-09
2. Breit equation with form factors in the hydrogen atom;Journal of Physics G: Nuclear and Particle Physics;2012-02-02