Dependence of B12 excitation energy on its kinetic energy in the N14 + Ag reaction at EA=35 MeV

F. Deãk, A. Kiss, Z. Seres, A. Galonsky, C. K. Gelbke, L. Heilbronn, W. Lynch, T. Murakami, H. Schelin, M. B. Tsang, B. A. Remington, J. Kasagi

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Abstract

We observed the 19 keV neutron decay from the 3.388-MeV state of B12 by measuring B11-neutron coincidences in colinear geometry at several angles. The ratio of this yield to the yield of particle-stable B12 nuclei is a measure of the excitation energy of B12 fragments produced in the reaction. The extreme kinematic focusing of the 19-keV decay enabled us to obtain the dependence of this ratio on fragment kinetic energy. For B12 nuclei emitted with kinetic energies EA15 MeV the ratio is surprisingly constant; for B12 nuclei of higher kinetic energy it decreases monotonically.

Original languageEnglish
Pages (from-to)733-736
Number of pages4
JournalPhysical Review C
Volume39
Issue number2
DOIs
Publication statusPublished - Jan 1 1989

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Deãk, F., Kiss, A., Seres, Z., Galonsky, A., Gelbke, C. K., Heilbronn, L., Lynch, W., Murakami, T., Schelin, H., Tsang, M. B., Remington, B. A., & Kasagi, J. (1989). Dependence of B12 excitation energy on its kinetic energy in the N14 + Ag reaction at EA=35 MeV. Physical Review C, 39(2), 733-736. https://doi.org/10.1103/PhysRevC.39.733