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Electron Cross Section


The electron cross section is a measure of the probability that an electron will interact with a target particle (like an atom or nucleus) during scattering or collision processes. It represents an effective area that quantifies the likelihood of interaction.



  • Typically measured in units called barns (1 barn = 10⁻²⁸ m²) or square meters.



  • Used in fields like nuclear physics, atomic physics, and materials science.



  • Cross sections vary depending on the energy of the electron and the nature of the target.



It helps scientists understand and predict how electrons scatter, absorb, or cause reactions at the microscopic level.


Square Inch [in²]


A square inch (in²) is a unit of area representing a square with sides 1 inch long. It is commonly used in the United States for measuring small surfaces, such as paper sizes or screen dimensions.

1 square inch = 6.4516 square centimeters = 0.00064516 square meters.



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