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

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-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 languageEnglish
Title of host publicationCompound-Nuclear Reactions - Proceedings of the 6th International Workshop on Compound-Nuclear Reactions and Related Topics CNR*18
EditorsJutta Escher, Yoram Alhassid, Lee A. Bernstein, David Brown, Carla Fröhlich, Patrick Talou, Walid Younes
PublisherSpringer Science and Business Media Deutschland GmbH
Pages217-220
Number of pages4
ISBN (Print)9783030580810
DOIs
StatePublished - 2021
Event6th International Workshop on Compound-Nuclear Reactions and Related Topics, CNR 2018 - Berkeley, United States
Duration: Sep 24 2018Sep 28 2018

Publication series

NameSpringer Proceedings in Physics
Volume254
ISSN (Print)0930-8989
ISSN (Electronic)1867-4941

Conference

Conference6th International Workshop on Compound-Nuclear Reactions and Related Topics, CNR 2018
Country/TerritoryUnited States
CityBerkeley
Period09/24/1809/28/18

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.

FundersFunder number
U.S. Department of Energy National Nuclear Security AdministrationLDRD 16-ERD-022, DE-AC52-07NA27344, DE-NA0000979
National Science Foundation
Office of Science
Nuclear PhysicsDE-AC05-00OR22725
Lawrence Livermore National Laboratory
Oak Ridge National Laboratory

    Keywords

    • Neutron capture
    • Neutron-transfer reactions
    • Radioactive-ion beams

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