Survival-mediated capture and fusion cross sections for heavy-element synthesis

L. Yao and W. Loveland
Phys. Rev. C 97, 014608 – Published 19 January 2018
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Abstract

The cross section for producing a heavy evaporation residue σEVR in a fusion reaction can be written as a product of three nonseparable factors, i.e., the capture cross section, the fusion probability PCN, and the survival probability Wsur. Each of these factors is dependent on the spin. However, one must remember that the Wsur term is zero or very small for higher spin values, thus effectively limiting the capture and fusion terms. For a series of 287 reactions leading to heavy evaporation residues with ZCN110, we point out the implications of this fact for capture cross sections for heavy element formation reactions. From a comparison of calculated and measured evaporation residue cross sections we deduce values of the fusion probability PCN for some of these reactions.

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  • Received 25 August 2017

DOI:https://doi.org/10.1103/PhysRevC.97.014608

©2018 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

L. Yao and W. Loveland

  • Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, USA

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Vol. 97, Iss. 1 — January 2018

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