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Title: Status of the JENSA gas-jet target for experiments with rare isotope beams

Abstract

The JENSA gas-jet target was designed for experiments with radioactive beams provided by the rare isotope re-accelerator ReA3 at the National Superconducting Cyclotron Laboratory. The gas jet will be the main target for the Separator for Capture Reactions SECAR at the Facility for Rare Isotope Beams on the campus of Michigan State University, USA. We describe the advantages of a gas-jet target, detail the current recirculating gas system, and report recent measurements of helium jet thicknesses of up to about 10 19 atoms/cm 2. A comparison with other supersonic gas-jet targets is presented.

Authors:
 [1];  [2];  [1];  [3];  [4];  [5];  [6];  [7];  [3];  [4];  [2];  [8];  [9];  [2];  [10]
  1. Michigan State Univ., East Lansing, MI (United States). National Superconducting Cyclotron Lab. Joint Inst. for Nuclear Astrophysics Center for the Evolution of Elements (JINA-CEE)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Physics Division
  3. Univ. of Notre Dame, IN (United States). Inst. for Structure and Nuclear Astrophysics
  4. Michigan State Univ., East Lansing, MI (United States). National Superconducting Cyclotron Lab. Dept. of Physics and Astronomy
  5. Colorado School of Mines, Golden, CO (United States). Dept. of Physics
  6. Ohio Univ., Athens, OH (United States). Dept. of Physics & Astronomy
  7. Michigan State Univ., East Lansing, MI (United States). National Superconducting Cyclotron Lab.
  8. Michigan State Univ., East Lansing, MI (United States). National Superconducting Cyclotron Lab. Joint Inst. for Nuclear Astrophysics Center for the Evolution of Elements (JINA-CEE); Colorado School of Mines, Golden, CO (United States). Dept. of Physics
  9. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  10. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physics & Astronomy
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Colorado School of Mines, Golden, CO (United States); Michigan State Univ., East Lansing, MI (United States); Univ. of Notre Dame, IN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26); ORNL Laboratory Directed Research and Development (LDRD) Program; National Science Foundation (NSF)
OSTI Identifier:
1479718
Grant/Contract Number:  
AC05-00OR22725; FG02-10ER41704; FG02-93ER40789; PHY-1430152; PHY-1565546; PHY-1419765
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 911; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; FRIB; hydrogen and helium gas-jet target; experimental nuclear astrophysics; radioactive ion/rare isotope beams; ReA3; SECAR

Citation Formats

Schmidt, K., Chipps, K. A., Ahn, S., Bardayan, D. W., Browne, J., Greife, U., Meisel, Z., Montes, F., O’Malley, P. D., Ong, W-J., Pain, S. D., Schatz, H., Smith, K., Smith, M. S., and Thompson, P. J. Status of the JENSA gas-jet target for experiments with rare isotope beams. United States: N. p., 2018. Web. doi:10.1016/j.nima.2018.09.052.
Schmidt, K., Chipps, K. A., Ahn, S., Bardayan, D. W., Browne, J., Greife, U., Meisel, Z., Montes, F., O’Malley, P. D., Ong, W-J., Pain, S. D., Schatz, H., Smith, K., Smith, M. S., & Thompson, P. J. Status of the JENSA gas-jet target for experiments with rare isotope beams. United States. doi:10.1016/j.nima.2018.09.052.
Schmidt, K., Chipps, K. A., Ahn, S., Bardayan, D. W., Browne, J., Greife, U., Meisel, Z., Montes, F., O’Malley, P. D., Ong, W-J., Pain, S. D., Schatz, H., Smith, K., Smith, M. S., and Thompson, P. J. Sat . "Status of the JENSA gas-jet target for experiments with rare isotope beams". United States. doi:10.1016/j.nima.2018.09.052. https://www.osti.gov/servlets/purl/1479718.
@article{osti_1479718,
title = {Status of the JENSA gas-jet target for experiments with rare isotope beams},
author = {Schmidt, K. and Chipps, K. A. and Ahn, S. and Bardayan, D. W. and Browne, J. and Greife, U. and Meisel, Z. and Montes, F. and O’Malley, P. D. and Ong, W-J. and Pain, S. D. and Schatz, H. and Smith, K. and Smith, M. S. and Thompson, P. J.},
abstractNote = {The JENSA gas-jet target was designed for experiments with radioactive beams provided by the rare isotope re-accelerator ReA3 at the National Superconducting Cyclotron Laboratory. The gas jet will be the main target for the Separator for Capture Reactions SECAR at the Facility for Rare Isotope Beams on the campus of Michigan State University, USA. We describe the advantages of a gas-jet target, detail the current recirculating gas system, and report recent measurements of helium jet thicknesses of up to about 1019 atoms/cm2. A comparison with other supersonic gas-jet targets is presented.},
doi = {10.1016/j.nima.2018.09.052},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = ,
volume = 911,
place = {United States},
year = {2018},
month = {9}
}

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