COMMISSION OF THE EUROPEAN COMMUNITIES nuclear science and technology The angular gamma flux in an iron shield due to a thin slab source EUR 5684 e EUR 5684 e THE ANGULAR GAMMA FLUX IN AN IRON SHIELD DUE TO A THIN SLAB SOURCE 'j by H. Penkuhn t Commission of the European Communities Joint Research Centre Ispra Establishment (Italy) ESIS Luxembourg, April 1977 — 20 Pages — 4 Figures FB 100 It Λ The angular spectra of the gamma energy fluxes and dose rates in iron shields due to thin and thick sources are compared. The anisotropicity increases with increasing source thickness. But the changes can be ignored near the forward direction (shield axis) and moreover for all directions at a, I I * EUR 5684 e '. THE ANGULAR GAMMA FLUX IN AN IRON SHIELD DUE TO A THIN SLAB SOURCE by H. Penkuhn > s' Commission of the European Communities Joint Research Centre Ispra Establishment (Italy) ESIS Luxembourg, April 1977 20 Pages 4 Figures FB 100 The angular spectra of the gamma energy fluxes and dose rates in iron j shields due to thin and thick sources are compared. The anisotropicity increases with increasing source thickness. But the changes can be ignored near the forward direction (shield axis) and moreover for all directions at : t' ». ( f. v c ; o ; o .' o .■ .' ύ ι ,1 ■ > J ) 'j *■ J .) j ο ι ;> > j j » ι j j ; .