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A charged particle beam is a stream of charged particles, such as electrons or protons, generated by various means like heat, bombardment, or strong electric fields. These beams can be controlled and manipulated using electric and magnetic fields, allowing them to be focused, deflected, and energized.1

Charged particle beams are fundamental to the operation of many technologies, including:
* Research: Used in particle accelerators to study subatomic particles and their interactions.2
* Technology: Essential for devices like electron microscopes, oscilloscopes, and television picture tubes.12
* Medical Therapy: Employed in generating X-rays and in cancer treatment.13

Particle accelerators, which utilize charged particle beams, can be simple linear devices or complex storage rings where particles collide at high energies to study fundamental physics.324

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