Physics
Physics, 03.12.2019 05:31, agm9801

Medical cyclotrons need efficient sources of protons to inject into their center. in one kind of ion source, hydrogen atoms (i. e., protons with one orbiting electron) are fed into a chamber where there is a strong magnetic field. electrons in this chamber are trapped in tight orbits, which greatly increases the chance that they will collide with a hydrogen atom and ionizes it. one such source uses a magnetic field of 70 mt, and the electrons' kinetic energy is 1.2 ev. if the electrons travel in a plane perpendicular to the field, what is the radius of their orbits?

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Medical cyclotrons need efficient sources of protons to inject into their center. in one kind of ion...

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