the statements made remain the responsibility of the named authorb); the v i e w do not necessarily reflea tho-of the govern-nWmt of the desqnating Memkrr Statels) O r of the designating organtzation(s1. In partrcdar, nerrher rhe /ALFA nor Jnv orher oryanirarron o r body sponsoring this rneering can be held responsible for any marerfal teprooucrd ~n rhrs prepmr. *Research sponsored by the Office of Fusion Energy, US. Department of Energy, under contract DE-ACO5-R40R21400 with Maitin hl:iriclta Eiitrpy Systctns, Inc.

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An attempt is made to refine the JWKB approximated expression for penetrability through a doublehump fission barrier when classical turning points are closely situated.-.---On tente d'ameliorer I'expression obtenue par la methode JWKB pour la pCnetrabilitC d'une barriere de fission a deux maxima, lorsque les points tournants classiques sont tres rapprochb.[Traduit par le journal] Cali.

The penetrability through double-hump barrier in nuclear fission processes is calculated in the JWKB approximation based on Fröman's F-matrix formalism. Particular attention is paid to coinciding classical turning points where other methods break down. A qualitative discussion of results is also included.