Beyond QED
نویسندگان
چکیده
منابع مشابه
Higher - Order Qed Effects and Nonlinear Qed
After a brief review of higher-order QED effects, a survey is made of novel aspects of QED with emphasis on recent experimental results in strong-field QED: nonlinear Compton scattering and multiphoton pair creation by light. 1 Higher-Order QED Effects Quantum Electrodynamics (QED) describes the interactions between charged particles that are mediated by quanta (photons) of the electromagnetic ...
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Julian Schwinger’s influence on twentieth century science is profound and pervasive. Of course, he is most famous for his renormalization theory of quantum electrodynamics, for which he shared the Nobel Prize with Richard Feynman and Sin-itiro Tomonaga. But although this triumph was undoubtedly his most heroic work, his legacy lives on chiefly through subtle and elegant work in classical electr...
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An approximation algorithm is proposed to transform truncated QCD (or QED) series for observables. The approximation is a modification of the Baker–Gammel approximants, and is independent of the renormalization scale (RScl) µ – the coupling parameter α(µ) in the series and in the resulting approximants can evolve according to the perturbative renormalization group equation (RGE) to any chosen l...
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We study the most significant high precision observables of QED —the anomalous electron and muon magnetic moments, the hydrogen Lamb shift and muonium hyperfine splitting— in the context of SU(2) ⊗ U(1) gauge-invariant effective Lagrangians. The agreement between QED and experimental data places bounds on the lowest dimension operators of the effective Lagrangians and this constrains physics be...
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The implementation of QED initial-state radiative corrections in the process of four-fermion production at LEP200 and higher-energy e+e− colliders is discussed. Because of the presence of charged-current processes, this is a nontrivial problem, and we compare our approach with other existing treatments. We describe the Monte Carlo algorithm used for the generation of 4fermion events with photon...
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ژورنال
عنوان ژورنال: Physics and High Technology
سال: 2015
ISSN: 1225-2336
DOI: 10.3938/phit.24.024