Physics – Quantum Physics
Scientific paper
2002-11-13
J. Phys. B 35, 4999-5011 (2002)
Physics
Quantum Physics
15 pages + 5 figures. J. Phys. B (in press)
Scientific paper
10.1088/0953-4075/35/24/305
We study the coherent inelastic diffraction of very weakly bound two body clusters from a material transmission grating. We show that internal transitions of the clusters can lead to new separate peaks in the diffraction pattern whose angular positions determine the excitation energies. Using a quantum mechanical approach to few body scattering theory we determine the relative peak intensities for the diffraction of the van der Waals dimers (D_2)_2 and H_2-D_2. Based on the results for these realistic examples we discuss the possible applications and experimental challenges of this coherent inelastic diffraction technique.
Koehler Thorsten
Stoll Martin
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