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单词 Atomic stopping power
释义

Atomic stopping power

英语百科

Stopping power (particle radiation)

(重定向自Atomic stopping power)
Graphic showing relationships between radioactivity and detected ionizing radiation
Bragg curve of 5.49 MeV alpha particles in air
Electronic and nuclear stopping power for aluminum ions in aluminum, versus particle energy per nucleon. The maximum of the nuclear stopping curve typically occurs at energies of the order of 1 keV per nucleon.
illustration of the slowing down of a single ion in a solid material.

Stopping power in nuclear physics is defined as the retarding force acting on charged particles due to interaction with matter, resulting in loss of particle energy. Its application is important in areas such as radiation protection and nuclear medicine. Typical particles include alpha particles, and beta particles.

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