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14 Nov 2019
Equation lambda = 1 / 2 pi N/Vr2 is the mean free path of a particle through a gas of identical particles of equal radius. An electron can be thought of as a point particle with zero radius. Find an expression for the mean free path of an electron through a gas. Express your answer in terms of the given quantities. Electrons travel 3 km through the Stanford Linear Accelerator (SLAC). In order for scattering losses to be negligible, the pressure inside the accelerator tube must be reduced to the point where the mean free path is at least 46 km. What is the maximum possible pressure inside the accelerator tube, assuming T = 22 degree C? Give your answer in both Pa and atm. Express your answer using two significant figures. Express your answer using two significant figures.
Equation lambda = 1 / 2 pi N/Vr2 is the mean free path of a particle through a gas of identical particles of equal radius. An electron can be thought of as a point particle with zero radius. Find an expression for the mean free path of an electron through a gas. Express your answer in terms of the given quantities. Electrons travel 3 km through the Stanford Linear Accelerator (SLAC). In order for scattering losses to be negligible, the pressure inside the accelerator tube must be reduced to the point where the mean free path is at least 46 km. What is the maximum possible pressure inside the accelerator tube, assuming T = 22 degree C? Give your answer in both Pa and atm. Express your answer using two significant figures. Express your answer using two significant figures.
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