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Teaching Electron—Positron—Photon Interactions with Hands-on Feynman Diagrams
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10.1119/1.4795369
/content/aapt/journal/tpt/51/4/10.1119/1.4795369
http://aip.metastore.ingenta.com/content/aapt/journal/tpt/51/4/10.1119/1.4795369
View: Figures

Figures

Image of Fig. 1.
Fig. 1.

The “elementary” e-e-γ interaction vertex, shown on both sides of two small pieces of semitransparent rice paper.

Image of Fig. 2.
Fig. 2.

(a) Annihilation of electron, creation of electron, creation of photon (b) annihilation of electron, annihilation of photon, creation of electron ; (c) annihilation of photon, creation of positron, creation of electron ; (d) annihilation of positron, creation of photon, creation of positron ; (e) annihilation of positron, annihilation of photon, creation of positron .

Image of Fig. 3.
Fig. 3.

This combination of the two papers illustrates the interaction of two electrons, exchanging a virtual photon, known as electron-electron scattering .

Image of Fig. 4.
Fig. 4.

This combination of the two papers illustrates the interaction between an electron and a positron, known as electron-positron anihilation .

Image of Fig. 5.
Fig. 5.

This combination of the two papers (the inverse of Fig. 4 ) illustrates the interaction of two photons, known as pair production . (One of those photons is normally part of a strong static field that interacts with a high energy passing photon.)

Image of Fig. 6.
Fig. 6.

This combination of the two papers illustrates the interaction between an electron and a photon, known as electron-photon scattering (also called Compton scattering).

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/content/aapt/journal/tpt/51/4/10.1119/1.4795369
2013-03-11
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Teaching Electron—Positron—Photon Interactions with Hands-on Feynman Diagrams
http://aip.metastore.ingenta.com/content/aapt/journal/tpt/51/4/10.1119/1.4795369
10.1119/1.4795369
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