Coulomb excitation of a {sup 78}Rb radioactive beam.

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In order to test the feasibility of Coulomb excitation of radioactive projectiles with low beam energies and intensities, they have produced a secondary radioactive beam of {sup 78}Rb and Coulomb re-excited it. The beam was produced in the fusion evaporation reaction {sup 24}Mg({sup 58}Ni,3pn){sup 78}Rb at a beam energy of 260 MeV, using the Argonne National Laboratory ATLAS accelerator. The residues of interest were separated from other reaction products and non-interacting beam using the Fragment Mass Analyzer (FMA). The beam leaving the FMA was {sup 78}Kr and {sup 78}Rb{sup gs,m1,m2}, which was refocused onto a {sup 58}Ni secondary target. They ... continued below

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6 p.

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Schwartz, J. November 18, 1998.

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Description

In order to test the feasibility of Coulomb excitation of radioactive projectiles with low beam energies and intensities, they have produced a secondary radioactive beam of {sup 78}Rb and Coulomb re-excited it. The beam was produced in the fusion evaporation reaction {sup 24}Mg({sup 58}Ni,3pn){sup 78}Rb at a beam energy of 260 MeV, using the Argonne National Laboratory ATLAS accelerator. The residues of interest were separated from other reaction products and non-interacting beam using the Fragment Mass Analyzer (FMA). The beam leaving the FMA was {sup 78}Kr and {sup 78}Rb{sup gs,m1,m2}, which was refocused onto a {sup 58}Ni secondary target. They have extracted a spectrum of {gamma}-rays associated with re-excitation of A = 78 isobars. The re-excitation of stable {sup 78}Kr was observed, which serves as a reference. Gamma-rays associated with excitation of {sup 78}Rb{sup gs,m1,m2} were also seen. The measured yields indicate that all the {sup 78}Rb states are highly deformed.

Physical Description

6 p.

Notes

INIS; OSTI as DE00011111

Medium: P; Size: 6 pages

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  • 2nd International Conference on Exotic Nuclei and Atomic Masses (ENAM98), Bellaire, MI (US), 06/23/1998--06/27/1998

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  • Report No.: ANL/PHY/CP-97688
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 11111
  • Archival Resource Key: ark:/67531/metadc622751

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  • November 18, 1998

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 11, 2017, 12:57 p.m.

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Schwartz, J. Coulomb excitation of a {sup 78}Rb radioactive beam., article, November 18, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc622751/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.