The Mssbauer effect was discovered using the decay of the 0 12939 MeV second excited state of 191 Ir The lifetime of this isomer is 0 13 ns (a) Compute the width of this level (b) Compute the recoil energy of a free 191 Ir atom that emits the 0 12939 MeV photon (c) Resonant (recoilless) absorption ...

The Mssbauer effect was discovered using the decay of the 0.12939 MeV second excited state of 191

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The Mössbauer effect was discovered using the decay of the 0.12939 MeV second excited state of ¹⁹¹Ir. The lifetime of this isomer is 0.13 ns.

(a) Compute the width Г of this level.

(b) Compute the recoil energy of a free ¹⁹¹Ir atom that emits the 0.12939 MeV photon.

(c) Resonant (recoilless) absorption occurs when ¹⁹¹Ir is bound into a lattice. If a Doppler shift equal to Г destroys the resonance absorption, show that the Doppler velocity v necessary is given by

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Modern Physics

ISBN: 9781429250788

6th Edition

Authors: Paul A. Tipler, Ralph Llewellyn

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Question Posted: Mar 08, 2023 06:02 AM

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