Term: reduced mass, \(\mu\)
https://doi.org/10.1351/goldbook.R05214

Definition:
Effective mass in equations of motion for a many particle system.

Source: Green Book, 2nd ed., p. 12 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)

Citation: 'reduced mass, \(\mu\)' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.R05214

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