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...|QED]] implies the conservation of the [[electric charge]]. Likewise, if a theory possesses an internal chiral or axial symmetry, there will be a conserved q ...antum Field Theory in a Nutshell: Second Edition |title-link=Quantum Field Theory in a Nutshell |date=2010-02-01 |publisher=Princeton University Press |isbn= ...

===Mass absorption and scattering coefficients=== ...two processes: [[absorption (electromagnetic radiation)|absorption]] and [[scattering]]. ...

...conductors.<ref>{{cite book|last=Ziman|first=J.M.|title=Principles of the theory of solids|date=1985|publisher=[[Cambridge University Press]]|location=Cambr [[Category:Scattering, absorption and radiative transfer (optics)]] ...

...hich is studied in the sub-branch of [[coherence theory (optics)|coherence theory]]. ...">{{cite book|author=Pyotr Ya. Ufimtsev|title=Fundamentals of the Physical Theory of Diffraction|date=9 February 2007|publisher=John Wiley & Sons|isbn=978-0- ...

...eal three-port active circulator has the following [[scattering parameters|scattering matrix]]: ...dulated Rings of Coupled Resonators|journal=IEEE Transactions on Microwave Theory and Techniques|volume=64|issue=2|pages=502–518|doi=10.1109/TMTT.2015.251173 ...

{{Short description|Technique for computing light scattering by nonspherical particles}} ...irst1=Peter C. |title=Symmetry, unitarity, and geometry in electromagnetic scattering |journal=Physical Review D |date=1971 |volume=3 |issue=4 |pages=825–839 |do ...

{{for|"attenuation coefficient" as it applies to electromagnetic theory and telecommunications|Attenuation constant}} ==Absorption and scattering coefficients== ...

*[[Chiral perturbation theory#Hadron-hadron interactions|Chiral perturbation theory]] ...4=J. | last5=Kamada | first5=H. | title=Cross Section Minima in Elastic Nd Scattering: Possible Evidence for Three-Nucleon Force Effects | journal=Physical Revie ...

...lane, and imaged) or as a means of increasing the [[Luminosity (scattering theory)|luminosity]] at an [[interaction point]] of a [[collider]] if the collidin ...

To '''disseminate''' (from [[Latin|lat.]] ''disseminare'' "scattering seeds"), in the field of [[communication]], is to [[broadcast]] a message t Dissemination takes on the theory of the traditional view of [[communication]], which involves a sender and r ...

...osich | first=A.I. | title=The method of analytical regularization in wave-scattering and eigenvalue problems: foundations and review of solutions | journal=IEEE ...ww.circuitechs.com/electromagnatics/electromagnetics.html E-Polarized Wave Scattering from Infinitely Thin and Finitely Width Strip Systems] ...

This article summarizes [[equation]]s in the theory of [[nuclear physics]] and [[particle physics]].<!--very skimpy for now, wi ===Nuclear scattering theory=== ...

...1963 he jointly authored an article, "Numerical solution of 2-dimensional scattering problems using a transmission-line matrix", with [[Peter B. Johns]] in 197 ...be partially reflected and transmitted according to the transmission-line theory. If we assume that each line has a characteristic impedance <math>Z</math>, ...

...AQ.jpg|thumb|A [[vector network analyzer]], which can be used to extract [[scattering parameters]] for Nicolson–Ross–Weir calculations]] ...[[Dispersion (optics)|dispersion]] data is extracted from the resulting [[scattering parameters]]. The method is named after A. M. Nicolson and G. F. Ross,<ref ...

...of transmitted radiant power) caused by absorption, as well as reflection, scattering, and other physical processes. Sometimes the term "attenuance" or "experime ...}</ref> {{nowrap|<math>\mu = \mu_s + \mu_a </math>,}} separating it into a scattering coefficient <math>\mu _s</math> and an absorption coefficient {{nowrap|<mat ...

{{Redirect-distinguish|Scattering cross section|Radar cross-section{{!}}Radar scattering cross section}} ...on (e.g. a particle or density fluctuation). For example, the [[Rutherford scattering|Rutherford cross-section]] is a measure of probability that an [[alpha part ...

...; Wolf, E., ''[[Principles of Optics|Principles of optics: electromagnetic theory of propagation, interference and diffraction of light]]''. Oxford, Pergamo ...title=La théorie générale des couches minces |trans-title=The generalized theory of thin films| journal=Journal de Physique et le Radium | publisher=EDP Sci ...

...ref name="Li07"/> Schelkunoff's formulation is employed particularly for [[scattering]] problems.<ref name="chew93"/>{{sfn|Balanis|2012|p=333}}<ref name="barber- ...-osa">{{cite journal |last1=Barber |first1=P. |last2=Yeh |first2=C. |title=Scattering of electromagnetic waves by arbitrarily shaped dielectric bodies |journal=[ ...

The [[scattering parameters]] can be gathered in a 4×4 scattering matrix <math>\boldsymbol{S}</math>, which is [[Symmetric matrix|symmetrical ...rect transmission terms and infinite XPD and isolation (null corresponding scattering parameters): ...

...e journal |doi=10.1364/JOSA.12.000547|author=R. de L. Kronig| title=On the theory of the dispersion of X-rays|journal= J. Opt. Soc. Am.| volume=12|issue=6|pa The second term in the last expression is obtained using the theory of residues,<ref>{{cite book |title=Mathematical Methods for Physicists |ur ...