A particle detector can be used to measure the speed of an unstable particle if the lifetime is known. Particle 'X' has mean lifetime 7 in its rest frame. Suppose 'X' particles are created in an experiment inside the detector by a nuclear reaction. If the 'X' particles leave tracks with mean length L before they decay into other particles, what is the mean speed of the 'X' particles? Express the answer in terms of the speed of light. T = 257.1 ps; L = 11.3 cm;
A particle detector can be used to measure the speed of an unstable particle if the lifetime is known. Particle 'X' has mean lifetime 7 in its rest frame. Suppose 'X' particles are created in an experiment inside the detector by a nuclear reaction. If the 'X' particles leave tracks with mean length L before they decay into other particles, what is the mean speed of the 'X' particles? Express the answer in terms of the speed of light. T = 257.1 ps; L = 11.3 cm;
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![A particle detector can be used to measure the speed of
an unstable particle if the lifetime is known. Particle 'X'
has mean lifetime 7 in its rest frame. Suppose 'X'
particles are created in an experiment inside the
detector by a nuclear reaction. If the 'X' particles leave
tracks with mean length L before they decay into other
particles, what is the mean speed of the 'X' particles?
Express the answer in terms of the speed of light.
257.1 ps; L = 11.3 cm;
T=](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F007d2f28-0b15-4cef-98f8-cbb273656312%2F0ba9d5b0-e25f-4692-a60c-574509db94e5%2F6m3wv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A particle detector can be used to measure the speed of
an unstable particle if the lifetime is known. Particle 'X'
has mean lifetime 7 in its rest frame. Suppose 'X'
particles are created in an experiment inside the
detector by a nuclear reaction. If the 'X' particles leave
tracks with mean length L before they decay into other
particles, what is the mean speed of the 'X' particles?
Express the answer in terms of the speed of light.
257.1 ps; L = 11.3 cm;
T=
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