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

K. Schmidt; K. A. Chipps; S. Ahn; D. W. Bardayan; J. Browne; U. Greife; Z. Meisel; F. Montes; P. D. O'Malley; W. J. Ong; S. D. Pain; H. Schatz; K. Smith; M. S. Smith; P. J. Thompson

doi:10.1016/j.nima.2018.09.052

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

K. Schmidt
, K. A. Chipps
, S. Ahn
, D. W. Bardayan
, J. Browne
, U. Greife
, Z. Meisel
, F. Montes
, P. D. O'Malley
, W. J. Ong
, S. D. Pain
, H. Schatz
, K. Smith
, M. S. Smith
, P. J. Thompson

Nuclear Structure and Nuclear Astrophysi

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

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. In this work, 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. Finally a comparison with other supersonic gas-jet targets is presented.

Original language	English
Pages (from-to)	1-9
Number of pages	9
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	911
DOIs	https://doi.org/10.1016/j.nima.2018.09.052
State	Published - Dec 11 2018

Funding

Funding for the Jet Experiments in Nuclear Structure and Astrophysics gas-jet target is provided in part by the National Science Foundation, USA under Grant Number PHY-1430152 (JINA Center for the Evolution of the Elements), Grant Number PHY-1565546 (NSCL) and Grant Number PHY-1419765 (Notre Dame). Funding was also provided by the U.S. Department of Energy (DOE) , in part by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory, managed by UT-Battelle, LLC, for the U.S. DOE; by the Colorado School of Mines grants DE-FG02-10ER41704 (DOE Office of Nuclear Physics) and FG02-93ER40789 (DOE Office of Science); and by the ORNL DOE ARRA grant DE-AC05-00OR22725 . The authors thank A. Snyder for his support with the assembly of the compressor’s noise-isolating housing and M. Larmann for his support with the installation of the new collar and nozzle mount. Funding for the Jet Experiments in Nuclear Structure and Astrophysics gas-jet target is provided in part by the National Science Foundation, USA under Grant Number PHY-1430152 (JINA Center for the Evolution of the Elements), Grant Number PHY-1565546 (NSCL) and Grant Number PHY-1419765 (Notre Dame). Funding was also provided by the U.S. Department of Energy (DOE), in part by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory, managed by UT-Battelle, LLC, for the U.S. DOE; by the Colorado School of Mines grants DE-FG02-10ER41704 (DOE Office of Nuclear Physics) and FG02-93ER40789 (DOE Office of Science); and by the ORNL DOE ARRA grant DE-AC05-00OR22725. The authors thank A. Snyder for his support with the assembly of the compressor's noise-isolating housing and M. Larmann for his support with the installation of the new collar and nozzle mount.

Keywords

Experimental nuclear astrophysics
FRIB
Hydrogen and helium gas-jet target
Radioactive ion/rare isotope beams
ReA3
SECAR

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10.1016/j.nima.2018.09.052

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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. (2018). Status of the JENSA gas-jet target for experiments with rare isotope beams. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 911, 1-9. https://doi.org/10.1016/j.nima.2018.09.052

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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. In this work, 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. Finally a comparison with other supersonic gas-jet targets is presented.",

keywords = "Experimental nuclear astrophysics, FRIB, Hydrogen and helium gas-jet target, Radioactive ion/rare isotope beams, ReA3, SECAR",

author = "K. Schmidt and Chipps, \{K. A.\} and S. Ahn and Bardayan, \{D. W.\} and J. Browne and U. Greife and Z. Meisel and F. Montes and O'Malley, \{P. D.\} and Ong, \{W. J.\} and Pain, \{S. D.\} and H. Schatz and K. Smith and Smith, \{M. S.\} and Thompson, \{P. J.\}",

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doi = "10.1016/j.nima.2018.09.052",

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Schmidt, K, Chipps, KA, Ahn, S, Bardayan, DW, Browne, J, Greife, U, Meisel, Z, Montes, F, O'Malley, PD, Ong, WJ, Pain, SD, Schatz, H, Smith, K, Smith, MS & Thompson, PJ 2018, 'Status of the JENSA gas-jet target for experiments with rare isotope beams', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 911, pp. 1-9. https://doi.org/10.1016/j.nima.2018.09.052

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T1 - Status of the JENSA gas-jet target for experiments with rare isotope beams

AU - Schmidt, K.

AU - Chipps, K. A.

AU - Ahn, S.

AU - Bardayan, D. W.

AU - Browne, J.

AU - Greife, U.

AU - Meisel, Z.

AU - Montes, F.

AU - O'Malley, P. D.

AU - Ong, W. J.

AU - Pain, S. D.

AU - Schatz, H.

AU - Smith, K.

AU - Smith, M. S.

AU - Thompson, P. J.

PY - 2018/12/11

Y1 - 2018/12/11

N2 - 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. In this work, 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. Finally a comparison with other supersonic gas-jet targets is presented.

AB - 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. In this work, 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. Finally a comparison with other supersonic gas-jet targets is presented.

KW - Experimental nuclear astrophysics

KW - FRIB

KW - Hydrogen and helium gas-jet target

KW - Radioactive ion/rare isotope beams

KW - ReA3

KW - SECAR

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JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

ER -

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

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Keywords

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