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Two-body Mechanisms in Pion Photoproduction on the Trinucleon by Kamalov, S. S.; Tiator, L.; Bennhold, C. is a scholarly article available to read on EtoBox.

What is Two-body Mechanisms in Pion Photoproduction on the Trinucleon about?

A breakdown of the Impulse Approximation is studied in pion photoproduction on $^3$He at high momentum transfers. The usual DWIA formalism with Faddeev wave functions which works well for small momentum transfers deviates from experimental measurements by up to two orders of magnitude for $Q^2>6 fm^{-2}$. It is found that the explicit inclusion of two-body mechanisms, where the photon is absorbed on one nucleon and the pion is emitted from another nucleon can restore agreement with the data.

Author

Kamalov, S. S.; Tiator, L.; Bennhold, C.

Published

1994

Language

EN