Magnetic fields are very useful in particle accelerators for "beam steering"; that is, the magnetic fields can be used to change the direction of the beam of charged particles without altering their speed (Fig. 20-65). Show how this could work with a beam of protons. What happens to protons that are not moving with the speed for which the magnetic field was designed? If the field extends over a region 5.0 cm wide and has a magnitude of 0.41 T, by approximately what angle will a beam of protons traveling at 2.5 × 106 m/s be bent?

Transcribed Image Text:

Magnet Evacuated tubes, inside of which the protons move with velocity indicated by the green arrows