Elementary Particle Interactions

The interactions of particles responsible for their scattering and transformations (decays and reactions). Because of interactions, an isolated particle may decay into other particles. Two particles passing near each other may transform, perhaps into the same particles but with changed momenta (elastic scattering) or into other particles (inelastic scattering). Interactions fall into three groups: strong, electromagnetic, and weak. (From McGraw-Hill Encyclopedia of Science and Technology, 7th ed)

Year introduced: 1997

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Tree Number(s): G01.238

MeSH Unique ID: D019471

Entry Terms:

• Particle Interactions, Elementary
• Elementary Particle Interaction
• Interaction, Elementary Particle
• Interactions, Elementary Particle
• Particle Interaction, Elementary

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Phenomena and Processes Category
Physical Phenomena
Elementary Particle Interactions