Electron-Positron Reactions



Electron-Positron Annihilation Electron-Positron Production Diagrams & Depictions

Electron-Positron Production
Cloud Chamber

Gamma Ray strikes Nucleus producing High Energy Positron and High Energy Electron

Depiction of 2 Gamma-Rays striking a nucleus to form an Electron and Positron

Gamma Rays strike “Nucleus” inside Lead (Pb) shield producing Electron and Positron

Drawing Depicts Geometry used to force Electron-Positron to Collide Head-on to produce EM Radiation in the same plane at a 180 degree angle

Cartoon Depicting Pair Collision

Drawing Depicts Geometry used to force Electron-Positron to Collide Head-on to produce Gamma Ray Radiation in the same plane at a 180 degree angle

Feynman Depiction of Electron-Gamma Ray conversion into Positron-Gamma Ray

Geometry of 2 Detectors used to measure 2 Gamma Rays after a Positron collides with an Electron

HyperPhysics Website Drawing
(R Nave, U Georgia) Depicting Electron-Positron Pair Production due to Interaction of X-ray or Gamma-Ray with an Atom

Depiction of Electron-Positron Collision forming Various Particles in a CERN Collision Chamber

Depiction of LEP Positron Collider with Funny Particles

In-Plane Depiction of Electron-Positron Head-on Collision that produces 2 Gamma-Rays Emitted at 90 deg to the collision

Gamma-Ray Photon Striking a Nucleus producing an Electron and Positron at undefined Theta angle

Photon (? Gamma-Ray ?) Striking a Nucleus producing an Electron and Positron at undefined Theta angle

Defined as a Pair Production and a (Gamma-ray) Annihilation

Depiction of Proton – AntiProton Annihilation to form High Energy Gama Rays (???MeV)

Depiction of Electron – Positron Annihilation when Striking a Nucleus

Hydrogen-Neon Bubble Chamber Depicting Electron-Positron Pair Production when Gamma-Ray strikes ???

Results of a Collision Experiment using a Bubble Chamber – NO Assignments

Electron=Positron Pair Production when “Incident” Photon (Gamma?) strikes a Nucleus in a Cloud Chamber

Production and Annihilation in Cloud Chamber

Production and Annihilation in Cloud chamber

3D Depiction of Pair Annihilation and Unknown Particle Generated

(c) 2025 All rights reserved, B. Vincent Crist, PhD