Note on the quasi-deuteron model for nuclear photo-disintegration

Angular distributions of protons from bremsstrahlung of maximum energy 400 MeV incident on elements between lithium and gold

“…The ideas of Levinger have been further discussed by a number of authors [19][20][21][22][23][24] and, in addition, two attempts [18,[25][26][27] to fit the available experimental data on high-energy photo-nucleon emission starting from experimentally-determined values of the cross-section for deuteron photodisintegration have recently been made. Matthews [25,26] has developed a more complete formulation of Levinger's ideas which has been successfully applied to photo-proton data from light nuclei for photon energies up to 100 MeV.…”

Photoproduction of high-energy neutrons in thick targets by electrons in the energy range 150 to 270 MeV

“…The results of the investigation of the nuclear photoeffect, which have been described in several publications [4][5][6][7], point out that at photon energies above 150 MeV the (~, rip) process is the dominant absorption process and that in this region the experimental data can be satisfactorily described by the quasi-deuteron model originally proposed by Levinger [8] and improved by other authors [9][10][11].…”