Is this chain reaction facilitated by the relativistic Doppler shift possible?
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Hey mate!
⏩ Well, the transverse Doppler shift is to the red, but this exact situation is not likely to happen. Also, the angle between the directions of travel of the gamma photons (after annihilation ) is not always 180°, (but likely close ) it depends on the momentum of the electron and positron .
⏩ If a positron-electron pair annihilate, they create two photons moving in opposite directions. Neither of these photons is likely to be capable of pair production, which requires an interaction with a nucleus in any case. There is no scenario where more than twice the incoming momentum of the photon can be transferred to the mirror, and usually it is less.
Thanks for the question!
☺☺☺
⏩ Well, the transverse Doppler shift is to the red, but this exact situation is not likely to happen. Also, the angle between the directions of travel of the gamma photons (after annihilation ) is not always 180°, (but likely close ) it depends on the momentum of the electron and positron .
⏩ If a positron-electron pair annihilate, they create two photons moving in opposite directions. Neither of these photons is likely to be capable of pair production, which requires an interaction with a nucleus in any case. There is no scenario where more than twice the incoming momentum of the photon can be transferred to the mirror, and usually it is less.
Thanks for the question!
☺☺☺
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The regular acoustic Doppler shift produces a transverse contraction according to g. The contraction along the displacement axis x is given by g squared.
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