Chapter 15: Problem 80
A particle of mass \(m\) and charge \(q\) moves in a uniform, constant magnetic field \(\mathbf{B}\). Show that if \(\mathbf{v}\) is perpendicular to \(\mathbf{B},\) the particle moves in a circle of radius $$r=|\mathbf{p} / q B|$$ [This result agrees with the nonrelativistic result \((2.81),\) except that \(\mathbf{p}\) is now the relativistic momentum \(\mathbf{p}=\gamma m \mathbf{v} .]\)
Short Answer
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Key Concepts
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