Consider a Cherenkov apparatus to be operated as a threshold counter. The pressure of the N2 gas
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Consider a Cherenkov apparatus to be operated as a threshold counter. The pressure of the N2 gas it contains can be varied. The index n depends on the pressure π, measured in pascal, as n=1+3 x 10-9 π. A beam composed of π+s, K+s and protons all with momentum p crosses the counter. Knowing that π+s are above threshold for π≥5.2 x 103 Pa:
(a) Find the momentum p;
(b) Find the minimum pressure at which the K+s are above threshold;
(c) Find the same for the protons. p is much larger than the mass of each species.
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Related Book For
Introduction to Elementary Particle Physics
ISBN: 978-1107050402
2nd edition
Authors: Alessandro Bettini
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