Experimental search for nonfusion yield in the heavy residues emitted in the B11+12C reaction

J. F. Mateja, A. D. Frawley, R. A. Parker, and K. Sartor
Phys. Rev. C 33, 1307 – Published 1 April 1986
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Abstract

The mechanism responsible for fusion cross section limitations in light heavy-ion systems has been the focus of numerous experimental and theoretical studies. Many of the experimental investigations have involved a study of the heavy residues emitted following the interaction of light heavy ions. One difficulty encountered in such studies is separating events from competing reaction mechanisms, such as direct transfer and incomplete fusion, from fusion-evaporation events. In the present work, direct and reverse reaction kinematics are exploited in an effort to determine the magnitude of the nonfusion strength in the heavy residue spectra for the interaction of B11 and C12. It is particularly important that the 11B+12C fusion strength be properly identified, as it is the measured fusion strength in this entrance channel which in earlier studies clearly ruled out a fusion cross section limitation based upon having reached a critical density of compound nuclear states. In agreement with the earlier investigations, the present study reveals no significant nonfusion component in the heavy residue spectra for the 11B+12C reaction.

  • Received 17 January 1986

DOI:https://doi.org/10.1103/PhysRevC.33.1307

©1986 American Physical Society

Authors & Affiliations

J. F. Mateja

  • Physics Department, Tennessee Technological University, Cookeville, Tennessee 38505

A. D. Frawley, R. A. Parker, and K. Sartor

  • Physics Department, Florida State University, Tallahassee, Florida 32306

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Vol. 33, Iss. 4 — April 1986

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