[fluka-discuss]: Adding molecular effects in coherent (Rayleigh) scattering of photons

From: Primidis, Thomas <Thomas.Primidis_at_liverpool.ac.uk>
Date: Mon, 3 Aug 2020 00:16:18 +0000

Dear all,


FLUKA neglects molecular effects when it comes to coherent scattering of photons. Someone could multiply the Rayleigh scattering cross sections with an interference function to add molecular effects. Literature suggests that the simplest function would have just the momentum transfer at the scattering point as the independent variable.


Are the Rayleigh scattering cross sections available to the user and can the user tamper with them as described above without contradicting the FLUKA license?


Below is some literature of such implementation in other MC codes:

Molecular coherent scattering data for tissue in photon transport Monte Carlo codes<https://doi.org/10.1016/S0969-8043(00)00249-9>
Rayleigh scatter in kilovoltage x-ray imaging: is the independent atom approximation good enough?<http://dx.doi.org/10.1088/0031-9155/54/22/012>


Best regards,

Thomas


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Received on Mon Aug 03 2020 - 04:23:41 CEST

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