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Title: Probing the fusion of neutron-rich nuclei with re-accelerated radioactive beams

Abstract

Here, we report the first measurement of the fusion excitation functions for 39,47K + 28Si at near-barrier energies. Evaporation residues resulting from the fusion process were identified by direct measurement of their energy and time-of-flight with high geometric efficiency. At the lowest incident energy, the cross section measured for the neutron-rich 47K-induced reaction is ≈6 times larger than that of the β-stable system. This experimental approach, both in measurement and in analysis, demonstrates how to efficiently measure fusion with low-intensity re-accelerated radioactive beams, establishing the framework for future studies.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [2];  [2];  [3];  [3];  [4];  [5]
+ Show Author Affiliations
  1. Indiana Univ., Bloomington, IN (United States). Center for Exploration of Energy and Matter and Dept. of Chemistry
  2. Indiana Univ., Bloomington, IN (United States). Center for Exploration of Energy and Matter and Dept. of Physics
  3. Large Heavy Ion National Accelerator (GANIL), Caen (France)
  4. Western Michigan Univ., Kalamazoo MI (United States). Dept. of Physics
  5. Michigan State Univ., East Lansing, MI (United States). National Superconducting Cyclotron Lab. and Dept. of Physics and Astronomy
Publication Date:
Research Org.:
Indiana Univ., Bloomington, IN (United States); Michigan State Univ., East Lansing, MI (United States); Western Michigan Univ., Kalamazoo MI (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF); European Commission (EC); Legnaro National Lab. (Italy); NUCLEI SciDAC Collaboration
OSTI Identifier:
1430074
Alternate Identifier(s):
OSTI ID: 1429957
Grant/Contract Number:  
FG02-88ER40404; FG02-87ER40365; SC0008808; NA0002923; PHY-1565546; PHY-1712832; 1342962; FG02-87ER-40365
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. C
Additional Journal Information:
Journal Volume: 97; Journal Issue: 3; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; sub-barrier fusion; neutron-rich fusion; re-accelerated radioactive beams; near-barrier fusion; low and intermediate energy heavy-ion reactions; nuclear fusion; nuclear reactions; unstable nuclei induced nuclear reactions

Citation Formats

Vadas, J., Singh, Varinderjit, Wiggins, B. B., Huston, J., Hudan, S., deSouza, R. T., Lin, Z., Horowitz, C. J., Chbihi, A., Ackermann, D., Famiano, M., and Brown, K. W. Probing the fusion of neutron-rich nuclei with re-accelerated radioactive beams. United States: N. p., 2018. Web. doi:10.1103/PhysRevC.97.031601.
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Vadas, J., Singh, Varinderjit, Wiggins, B. B., Huston, J., Hudan, S., deSouza, R. T., Lin, Z., Horowitz, C. J., Chbihi, A., Ackermann, D., Famiano, M., & Brown, K. W. Probing the fusion of neutron-rich nuclei with re-accelerated radioactive beams. United States. https://doi.org/10.1103/PhysRevC.97.031601
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Vadas, J., Singh, Varinderjit, Wiggins, B. B., Huston, J., Hudan, S., deSouza, R. T., Lin, Z., Horowitz, C. J., Chbihi, A., Ackermann, D., Famiano, M., and Brown, K. W. Tue . "Probing the fusion of neutron-rich nuclei with re-accelerated radioactive beams". United States. https://doi.org/10.1103/PhysRevC.97.031601. https://www.osti.gov/servlets/purl/1430074.
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@article{osti_1430074,
title = {Probing the fusion of neutron-rich nuclei with re-accelerated radioactive beams},
author = {Vadas, J. and Singh, Varinderjit and Wiggins, B. B. and Huston, J. and Hudan, S. and deSouza, R. T. and Lin, Z. and Horowitz, C. J. and Chbihi, A. and Ackermann, D. and Famiano, M. and Brown, K. W.},
abstractNote = {Here, we report the first measurement of the fusion excitation functions for 39,47K + 28Si at near-barrier energies. Evaporation residues resulting from the fusion process were identified by direct measurement of their energy and time-of-flight with high geometric efficiency. At the lowest incident energy, the cross section measured for the neutron-rich 47K-induced reaction is ≈6 times larger than that of the β-stable system. This experimental approach, both in measurement and in analysis, demonstrates how to efficiently measure fusion with low-intensity re-accelerated radioactive beams, establishing the framework for future studies.},
doi = {10.1103/PhysRevC.97.031601},
journal = {Physical Review. C},
number = 3,
volume = 97,
place = {United States},
year = {Tue Mar 27 00:00:00 EDT 2018},
month = {Tue Mar 27 00:00:00 EDT 2018}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1103/PhysRevC.97.031601
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Cited by: 9 works
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Figures / Tables:

FIG. 1 FIG. 1: (Color online) Schematic of the experimental setup. See text for details.
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      Figures / Tables found in this record:

      FIG. 1 (p. 3)figure
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      TABLE I (p. 4)table
      FIG. 4 (p. 5)figure
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