Effect of Quadrupole Emission in Scattering of Two Photons by an Atom


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Abstract

A pronounced quadrupole emission effect is theoretically predicted in terms of the contact interaction operator in resonant inelastic scattering of two X-ray photons near the ionization threshold energy of the 1s shell of a free multielectron atom. The observed double differential scattering cross section is estimated quantitatively.

About the authors

A. N. Hopersky

Rostov State Transport University

Email: amnrnd@mail.ru
Russian Federation, Rostov-on-Don, 344038

A. M. Nadolinsky

Rostov State Transport University

Author for correspondence.
Email: amnrnd@mail.ru
Russian Federation, Rostov-on-Don, 344038

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