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2021 Nuclear Data for Reactor Antineutrino Measurements Workshop

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Description

WoNDRAM is a “mini” workshop organized by the Nuclear Data Working Group (https://www.nndc.bnl.gov/ndwg/) to address the impact of nuclear data on reactor antineutrino measurements.

The goals of the workshop are:

  1. Identify nuclear data needs for the reactor source term, the antineutrino spectrum calculation and the detector response that impact the fundamental research and applications of reactor antineutrino measurement systems.
  2. Recommend solutions to the identified nuclear data needs.
  3. Bring together the various communities involved in reactor antineutrino measurements along with the nuclear data community to enhance communication and understanding.

The workshop consists of a plenary and three topical discussion sessions:

  1. Nuclear Data for Reactor Source Term Calculations
  2. Nuclear Data for Antineutrino Spectrum Calculations
  3. Nuclear Data for Detector Response Calculations

The objective of each session is to obtain community consensus of nuclear data needs and recommended solutions. 

Participants
  • Monday, 21 June
    • Plenary Session
      • 1
        Welcome/Logistics
        Speaker: Dr CATHERINE ROMANO (IB3 Global Solutions)
      • 2
        Nuclear Physics Overview
        Speaker: Timothy Hallman (Department of Energy, Office of Nuclear Physics)
        Hallman_WNDRAM_06212021.pptx
      • 3
        Nuclear Data Program and Antineutrinos
        Speaker: Keith Jankowski (DOE Office of Science)
        USNDP for Antineutrino 20210621.pptx
      • 4
        DNN R&D Perspective
        Speaker: Donald Hornback
      • 5
        DNN R&D Safeguards Perspective
        Speaker: Christopher Ramos (DOE/NNSA/DNN)
      • 6
        WoNDRAM Motivation and Goals & NDWG
        Speaker: CATHERINE ROMANO (IB3 Global Solutions)
        WoNDRAM Plenary - Romano.pptx
      • 7
        Q&A
        Speakers: Alejandro Sonzogni (NNDC - BNL), CATHERINE ROMANO (IB3 Global Solutions)
    • 13:00
      Break
    • Plenary Session
  • Tuesday, 22 June
    • Nuclear Data for the Reactor Antineutrino Source Term

      Session Chairs
      - Andrew Conant
      - Catherine Riddle
      - William Wieselquist

      The goal of the Reactor Antineutrino Source Term session is to focus nuclear data needs for nuclear reactor modeling & simulation, operation, and applications that directly impact the simulated reactor antineutrino source term. The session covers nuclear data uncertainties through the fission process and other in-reactor nuclear reactions. Additionally, the impact of uncertainties in reactor operations will be addressed. Examples of topics to be covered include: fission yields, non-fuel effects, advanced reactors and spent fuel storage. Nuclear data needs will be identified along with proposed solutions and recommended improvements in modeling & simulation capabilities to support reactor antineutrino measurements.

    • 13:00
      Break
    • Nuclear Data for the Reactor Antineutrino Source Term

      Session Chairs
      - Andrew Conant
      - Catherine Riddle
      - William Wieselquist

      The goal of the Reactor Antineutrino Source Term session is to focus nuclear data needs for nuclear reactor modeling & simulation, operation, and applications that directly impact the simulated reactor antineutrino source term. The session covers nuclear data uncertainties through the fission process and other in-reactor nuclear reactions. Additionally, the impact of uncertainties in reactor operations will be addressed. Examples of topics to be covered include: fission yields, non-fuel effects, advanced reactors and spent fuel storage. Nuclear data needs will be identified along with proposed solutions and recommended improvements in modeling & simulation capabilities to support reactor antineutrino measurements.

      • 22
        Advanced Reactor Instrumentation at NRIC
        Speaker: Nick Smith (Idaho National Laboratory)
      • 23
        Discussion
  • Wednesday, 23 June
    • Nuclear Data for Antineutrino Spectrum Calculations Session

      Session Chairs:
      - Bryce Littlejohn
      - Pat Huber
      - Shikha Prasad
      - Alejandro Sonzogni

      Antineutrinos produced by nuclear reactors are potentially useful for non-proliferation and reactor monitoring applications, for validating other existing and future datasets in the nuclear data pipeline, and for performing fundamental particle physics measurements. These three spheres of application rely to varying degrees on an accurate and precise understanding of the true aggregate antineutrino energy spectrum emitted by each primary fission isotope. The goals of this session are to identify future experimental, theory and software improvements that can expand understanding of directly-measured and indirectly-predicted antineutrino spectra, and to define the extent to which each of these improvements will benefit the three spheres of application described above.

    • 12:55
      Break
    • Nuclear Data for Antineutrino Spectrum Calculations Session

      Session Chairs:
      - Bryce Littlejohn
      - Pat Huber
      - Shikha Prasad
      - Alejandro Sonzogni

      Antineutrinos produced by nuclear reactors are potentially useful for non-proliferation and reactor monitoring applications, for validating other existing and future datasets in the nuclear data pipeline, and for performing fundamental particle physics measurements. These three spheres of application rely to varying degrees on an accurate and precise understanding of the true aggregate antineutrino energy spectrum emitted by each primary fission isotope. The goals of this session are to identify future experimental, theory and software improvements that can expand understanding of directly-measured and indirectly-predicted antineutrino spectra, and to define the extent to which each of these improvements will benefit the three spheres of application described above.

      • 32
        Recent measurements of fission beta spectra ratios
        Speaker: P. Mumm (NIST)
        WonDRAM2021_mumm.pdf
      • 33
        Towards Integral Electron Measurements of 233,235U and 239,241Pu at HFIR Decay Station
        Speaker: Krzysztof Rykaczewski (ORNL Physics Division)
        KR_final_WoNDRAM.pdf
      • 34
        Scattering Beamlines and Irradiation Positions at the High Flux Isotope Reactor
        Speaker: Lowell Crow
        Crow_HFIR_June23_21.pdf
      • 35
        Magnetic electron spectrometer for characterising anti-neutrino anomaly
        Speaker: Tibor Kibedi (Australian National University)
        2021AntineutrinoWS_Kibedi.pdf
      • 36
        Concepts for Integral Electron Measurements of 233,235U and 239,241Pu at HFIR
        Speaker: Mitch Allmond (ORNL)
        Allmond-Uelec.pdf
      • 37
        Discussion
      • 38
        Measuring Beta Spectra For Forbidden Decays
        Speaker: Charlie Rasco
        BCR_WoNDRAM_2021_Final.pdf
      • 39
        Beta Feeding Measurements
        Speaker: Guy Savard (Argonne National Laboratory)
      • 40
        Software Tools for Modelling Neutrino Source Terms
        Speaker: Xianyi Zhang
        Conflux_WONDRAM.pdf
  • Thursday, 24 June
    • Nuclear Data for the Antineutrino Detector Response Session

      Session Chairs
      - Bethany Goldblum
      - Nathaniel Bowden
      - Jon Link
      - Pieter Mumm

      Advances in detector modeling capabilities would further the development of basic and applied antineutrino physics technologies. This session focuses on identifying and prioritizing nuclear data needs that impact the ability to model antineutrino detector performance in the reactor energy range—important for detector design, development, and data interpretation. This includes data deficiencies for modeling both neutrino signal and background for a wide range of detection techniques such as CEvNS, electron elastic scattering, and inverse beta decay.

    • 12:45
      Break
    • Nuclear Data for the Antineutrino Detector Response Session

      Session Chairs
      - Bethany Goldblum
      - Nathaniel Bowden
      - Jon Link
      - Pieter Mumm

      Advances in detector modeling capabilities would further the development of basic and applied antineutrino physics technologies. This session focuses on identifying and prioritizing nuclear data needs that impact the ability to model antineutrino detector performance in the reactor energy range—important for detector design, development, and data interpretation. This includes data deficiencies for modeling both neutrino signal and background for a wide range of detection techniques such as CEvNS, electron elastic scattering, and inverse beta decay.

    • 15:00
      Break
    • Session Summaries & Discussion
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