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queenstudy
- 101
- 0
hello , can anyone give the formula of the differential cross section and the macro cross section because in each web i see a different notation thank you
A differential cross section is a measurement used in particle physics to describe the probability of a particle scattering or interacting with another particle in a specific direction. It is a fundamental quantity used to understand the properties and interactions of particles.
The differential cross section is calculated by dividing the number of particles scattered into a specific direction by the number of incident particles, and then normalizing it with respect to the solid angle and target density. This calculation takes into account the energy and momentum of the particles involved in the scattering process.
The differential cross section provides information about the underlying physical processes and interactions between particles. It can be used to test theoretical models, determine the properties of particles, and study the fundamental forces of nature.
The differential cross section is related to other important physical quantities such as the scattering angle, energy, and momentum of the particles. It is also related to the total cross section, which represents the probability of any scattering event occurring.
The differential cross section is typically measured in units of area, such as square meters (m2) or barns (1 barn = 10-28 m2). It can also be expressed in terms of energy, with units of eV-2 or GeV-2.