On the Exact Evaluation of the Coulomb Excitation.

København, Ejnar Munksgaard, 1955. 8vo. In the original printed wrappers. Offprint from ""Det Kongelige Danske Videnskabernes Selskab"", Matematisk-fysiske meddelelser, bind 29, no. 19. Very fine and clean. 19, (1) pp.

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Offprint of Alder and Winther's paper in which they show that the calculation of the total cross section for coulomb excitation can be reduced to the calculation of radial matrix elements between eigenstates in the coulomb potential.