Prospects for Surrogate Neutron Capture Measurements with Radioactive Ion Beams and GODDESS

Jolie A. Cizewski; Andrew Ratkiewicz; Alexandre Lepailleur; Steven D. Pain; Heather Garland; Harrison Sims; David Walter

doi:10.1007/978-3-030-58082-7_26

Prospects for Surrogate Neutron Capture Measurements with Radioactive Ion Beams and GODDESS

Jolie A. Cizewski, Andrew Ratkiewicz, Alexandre Lepailleur, Steven D. Pain, Heather Garland, Harrison Sims, David Walter

Nuclear Structure and Nuclear Astrophysi

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Neutron capture reactions are responsible for the synthesis of almost all of the elements heavier than iron through s-process and r-process nucleosynthesis. Uncertainties in (n,γ) rates on neutron-rich nuclei can have significant impact on the predictions of observed r-process abundances for different astrophysical scenarios. The (d,pγ) reaction has recently been demonstrated to be a valid surrogate for (n,γ). This reaction has been measured in inverse kinematics with Gammasphere ORRUBA: Dual Detectors for Experimental Structure Studies (GODDESS) where the Gammasphere array of Compton-suppressed HPGe detectors is coupled to the Oak Ridge Rutgers University Barrel Array (ORRUBA) of position-sensitive silicon-strip detectors. Preliminary results from the (d,pγ) measurement with¹³⁴Xe beams are reported.

Original language	English
Title of host publication	Compound-Nuclear Reactions - Proceedings of the 6th International Workshop on Compound-Nuclear Reactions and Related Topics CNR*18
Editors	Jutta Escher, Yoram Alhassid, Lee A. Bernstein, David Brown, Carla Fröhlich, Patrick Talou, Walid Younes
Publisher	Springer Science and Business Media Deutschland GmbH
Pages	217-220
Number of pages	4
ISBN (Print)	9783030580810
DOIs	https://doi.org/10.1007/978-3-030-58082-7_26
State	Published - 2021
Event	6th International Workshop on Compound-Nuclear Reactions and Related Topics, CNR 2018 - Berkeley, United States Duration: Sep 24 2018 → Sep 28 2018

Publication series

Name	Springer Proceedings in Physics
Volume	254
ISSN (Print)	0930-8989
ISSN (Electronic)	1867-4941

Conference

Conference	6th International Workshop on Compound-Nuclear Reactions and Related Topics, CNR 2018
Country/Territory	United States
City	Berkeley
Period	09/24/18 → 09/28/18

Funding

Acknowledgements We thank all of the collaborators on the GODDESS project for their contributions. This work was supported in part by the U.S. Department of Energy National Nuclear Security Administration Grant No. DE-NA0000979 (Stewardship Science Academic Alliances, Rutgers), Contract No. DE-AC52-07NA27344 and LDRD 16-ERD-022 (LLNL), Office of Science, Office of Nuclear Physics Contract No. DE-AC05-00OR22725 (ORNL), and the National Science Foundation.

Keywords

Neutron capture
Neutron-transfer reactions
Radioactive-ion beams

Access to Document

10.1007/978-3-030-58082-7_26

Cite this

Cizewski, J. A., Ratkiewicz, A., Lepailleur, A., Pain, S. D., Garland, H., Sims, H., & Walter, D. (2021). Prospects for Surrogate Neutron Capture Measurements with Radioactive Ion Beams and GODDESS. In J. Escher, Y. Alhassid, L. A. Bernstein, D. Brown, C. Fröhlich, P. Talou, & W. Younes (Eds.), Compound-Nuclear Reactions - Proceedings of the 6th International Workshop on Compound-Nuclear Reactions and Related Topics CNR*18 (pp. 217-220). (Springer Proceedings in Physics; Vol. 254). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-030-58082-7_26

Cizewski, Jolie A. ; Ratkiewicz, Andrew ; Lepailleur, Alexandre et al. / Prospects for Surrogate Neutron Capture Measurements with Radioactive Ion Beams and GODDESS. Compound-Nuclear Reactions - Proceedings of the 6th International Workshop on Compound-Nuclear Reactions and Related Topics CNR*18. editor / Jutta Escher ; Yoram Alhassid ; Lee A. Bernstein ; David Brown ; Carla Fröhlich ; Patrick Talou ; Walid Younes. Springer Science and Business Media Deutschland GmbH, 2021. pp. 217-220 (Springer Proceedings in Physics).

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abstract = "Neutron capture reactions are responsible for the synthesis of almost all of the elements heavier than iron through s-process and r-process nucleosynthesis. Uncertainties in (n,γ) rates on neutron-rich nuclei can have significant impact on the predictions of observed r-process abundances for different astrophysical scenarios. The (d,pγ) reaction has recently been demonstrated to be a valid surrogate for (n,γ). This reaction has been measured in inverse kinematics with Gammasphere ORRUBA: Dual Detectors for Experimental Structure Studies (GODDESS) where the Gammasphere array of Compton-suppressed HPGe detectors is coupled to the Oak Ridge Rutgers University Barrel Array (ORRUBA) of position-sensitive silicon-strip detectors. Preliminary results from the (d,pγ) measurement with134Xe beams are reported.",

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author = "Cizewski, \{Jolie A.\} and Andrew Ratkiewicz and Alexandre Lepailleur and Pain, \{Steven D.\} and Heather Garland and Harrison Sims and David Walter",

note = "Publisher Copyright: {\textcopyright} 2021, This is a U.S. government work and not under copyright protection in the U.S.; foreign copyright protection may apply.; 6th International Workshop on Compound-Nuclear Reactions and Related Topics, CNR 2018 ; Conference date: 24-09-2018 Through 28-09-2018",

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Cizewski, JA, Ratkiewicz, A, Lepailleur, A, Pain, SD, Garland, H, Sims, H & Walter, D 2021, Prospects for Surrogate Neutron Capture Measurements with Radioactive Ion Beams and GODDESS. in J Escher, Y Alhassid, LA Bernstein, D Brown, C Fröhlich, P Talou & W Younes (eds), Compound-Nuclear Reactions - Proceedings of the 6th International Workshop on Compound-Nuclear Reactions and Related Topics CNR*18. Springer Proceedings in Physics, vol. 254, Springer Science and Business Media Deutschland GmbH, pp. 217-220, 6th International Workshop on Compound-Nuclear Reactions and Related Topics, CNR 2018, Berkeley, United States, 09/24/18. https://doi.org/10.1007/978-3-030-58082-7_26

Prospects for Surrogate Neutron Capture Measurements with Radioactive Ion Beams and GODDESS. / Cizewski, Jolie A.; Ratkiewicz, Andrew; Lepailleur, Alexandre et al.
Compound-Nuclear Reactions - Proceedings of the 6th International Workshop on Compound-Nuclear Reactions and Related Topics CNR*18. ed. / Jutta Escher; Yoram Alhassid; Lee A. Bernstein; David Brown; Carla Fröhlich; Patrick Talou; Walid Younes. Springer Science and Business Media Deutschland GmbH, 2021. p. 217-220 (Springer Proceedings in Physics; Vol. 254).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - Neutron capture reactions are responsible for the synthesis of almost all of the elements heavier than iron through s-process and r-process nucleosynthesis. Uncertainties in (n,γ) rates on neutron-rich nuclei can have significant impact on the predictions of observed r-process abundances for different astrophysical scenarios. The (d,pγ) reaction has recently been demonstrated to be a valid surrogate for (n,γ). This reaction has been measured in inverse kinematics with Gammasphere ORRUBA: Dual Detectors for Experimental Structure Studies (GODDESS) where the Gammasphere array of Compton-suppressed HPGe detectors is coupled to the Oak Ridge Rutgers University Barrel Array (ORRUBA) of position-sensitive silicon-strip detectors. Preliminary results from the (d,pγ) measurement with134Xe beams are reported.

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Cizewski JA, Ratkiewicz A, Lepailleur A, Pain SD, Garland H, Sims H et al. Prospects for Surrogate Neutron Capture Measurements with Radioactive Ion Beams and GODDESS. In Escher J, Alhassid Y, Bernstein LA, Brown D, Fröhlich C, Talou P, Younes W, editors, Compound-Nuclear Reactions - Proceedings of the 6th International Workshop on Compound-Nuclear Reactions and Related Topics CNR*18. Springer Science and Business Media Deutschland GmbH. 2021. p. 217-220. (Springer Proceedings in Physics). doi: 10.1007/978-3-030-58082-7_26

Prospects for Surrogate Neutron Capture Measurements with Radioactive Ion Beams and GODDESS

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