Mass Defect Calculator

Calculate Nuclear Mass Defect and Related Parameters

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Mass Defect Calculator

Calculate mass defect from nuclear composition

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Mass-Energy Converter

Convert between mass defect and energy using E = mc²

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Nuclear Packing Fraction Calculator

Calculate nuclear packing fraction and analyze binding energy

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Understanding Mass Defect

What is Mass Defect?

Mass defect is the difference between the mass of a nucleus and the sum of its constituent nucleon masses. This mass difference is converted to binding energy via Einstein's E = mc².

Mass-Energy Equivalence

Key concepts:

  • E = mc²
  • 1 amu = 931.494 MeV
  • Mass converts to binding energy
  • Explains nuclear stability

Nuclear Packing Fraction

The packing fraction indicates:

  • Nuclear binding energy per nucleon
  • Stability of the nucleus
  • Potential for nuclear reactions
  • Energy release in fusion/fission

Applications

Mass defect calculations are used in:

  • Nuclear power plants
  • Nuclear medicine
  • Particle physics
  • Astrophysics

Nuclear Stability

Mass defect relates to stability:

  • Larger mass defect = more stable
  • Affects decay modes
  • Determines binding energy
  • Influences nuclear reactions

Essential Mass Defect Formulas

Mass Defect

Δm = [Zmp + Nmn] - M

Mass-Energy Conversion

E = mc²

Packing Fraction

f = (M - A)/A