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Background Mitigation Strategies Workshop

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  • Monday, 20 July
    • 1
      Review Committee Executive Session

      Review of outstanding issues from last review. Discussion of questions and concerns prior to hearing presentations.

      Speaker: Robert Svoboda (UC Davis)
    • 2
      Physics Motivations: Supernova Sensitivity
      Speakers: Thiago Bezerra, Thiago Sogo Bezerra (University of Sussex)
      20200720_BG_TF_meeting_SNeff_thiago.pdf
      • a) Introduction
        Speaker: Robert Svoboda (UC Davis)
      • b) Supernova sensitivity
        Speaker: Thiago Sogo Bezerra (University of Sussex)
      • c) Solar sensitivity
        Speaker: Daniel Pershey
      • d) Solar neutrino anomaly and NSI
        Speaker: Gleb Sinev (Duke University)
      • e) Overview of new proposed background model
        Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      • f) Discussion
    • 3
      Physics Motivations: Supernovae Late-time Detection
      Speaker: Shirley Li (SLAC National Accelerator Laboratory)
      Li_SN_latetime.pdf
    • 4
      Physics Motivations: Solar Sensitivity
      Speaker: Daniel Pershey
      pershey_20200720.pdf
    • 5
      Physics Motivations: Solar Neutrino Anomaly and NSI
      Speaker: Gleb Sinev (Duke University)
      solar-neutrino-anomaly-and-nsi_20200720_v3.pdf
    • 6
      Physics Motivations: Overview of New Background Model
      Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      DUNE_BackgroundsWorkshop_newBGmodel_20July2020_JR.pdf
    • 7
      Radon-induced backgrounds: Introduction with Sources and Assay Overview
      Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      DUNE_BackgroundsWorkshop_radonOverview_20July2020_JR.pdf
      • a) Introduction, sources and assay results overview
        Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      • b) Simulation updates
        Speaker: Pierre Lasorak
      • c) Cold emanation
        Speaker: Jose Busto
        Radon exhalation in Cu getter at low temperature.pdf
      • d) Discussion
        Speaker: Vitaly Kudryavtsev (University of Sheffield)
    • 8
      Radon-Induced Backgrounds: Simulation Updates
      Speaker: Pierre Lasorak
      200720_BackgroundSimu_Lasorak.pdf
    • 9
      Radon-Induced Backgrounds: Cold Emanation
      Speaker: Jose Busto
    • 11:20
      Break
    • 10
      Radon-Induced Backgrounds: Alpha-n Backgrounds
      Speaker: Vitaly Kudryavtsev (University of Sheffield)
      neutrons-argon-bgtf-review-jul2020.pdf
      • a) Alpha-n backgrounds
        Speaker: Vitaly Kudryavtsev (University of Sheffield)
      • b) Alpha-gamma background
        Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      • c) Drift of ions in LAr and plate out
        Speaker: Anyssa Navrer-Agasson (University of Manchester)
      • d) Alpha scintillation light
        Speaker: Michael Mooney (Colorado State University)
      • e) Discussion
    • 11
      Radon-Induced Backgrounds: Alpha-gamma Background
      Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      DUNE_BackgroundsWorkshop_radonAlphaGamma_20July2020_JR.pdf
    • 12
      Radon-Induced Backgrounds: Drift of Ions in LAr and Plate-out
      Speakers: Anyssa Navrer-Agasson, Anyssa Navrer-Agasson (University of Manchester)
      dune_bkg_workshop_ion_drift_July20.pdf
    • 13
      Radon-Induced Backgrounds: Alpha Scintillation Light
      Speakers: Juergen Reichenbacher (South Dakota School of Mines and Technology), Michael Mooney (Colorado State University)
      DUNE_BackgroundsWorkshop_alphaScint_20July2020_JR.pdf
    • 14
      Executive Discussion
  • Wednesday, 22 July
    • 15
      Detector and Conventional Facilities Materials Assay Results: Introduction, Steel & Foam Results, and Outlook
      Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      DUNE_BackgroundsWorkshop_assayIntroSteelFoam_22July2020_JR.pdf
      • a) Introduction, steel and foam results and outlook
        Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      • b) Rock, shotcrete and concrete results
        Speaker: Serenity Engel
      • c) Filter, APA and other assay results
        Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      • d) Discussion
    • 16
      Detector and Conventional Facilities Materials Assay Results: Rock, Shotcrete, and Concrete Results
      Speakers: Juergen Reichenbacher (South Dakota School of Mines and Technology), Serenity X
      DUNE_BackgroundsWorkshop_assayRockShotcrete_22July2020_JR.pdf
    • 17
      Detector and Conventional Facilities Materials Assay Results: Filter, APA, and Other Results
      Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      DUNE_BackgroundsWorkshop_assayFilterAPAothers_22July2020_JR.pdf
    • 18
      Future Plans for Detector Materials Assay Program: Database and Simulation Plans
      Speakers: Christopher Jackson (PNNL), Eric Church (PNNL)
      DUNE_AssayDatabasePlans.pdf
      • a) Database and simulation plans
        Speaker: Eric Church (PNNL)
      • b) Overview on assay facilities, capabilities and capacities available; Interaction with consortia and TC
        Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      • c) Discussion
    • 19
      Future Plans for Detector Materials Assay Program: Overview on Assay Facilities, Capabilities, and Capacities
      Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
    • 20
      Future Plans for Detector Materials Assay Program: Interaction with Consortia and TC
      Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      DUNE_BackgroundsWorkshop_BGsConsortiaInteraction_22July2020_JR.pdf
    • 10:40
      Break
    • 21
      External Neutrons: Introduction
      Speaker: Simon Peeters (University of Sussex)
      20200720_ext_n_intro_sjmp.pdf
      • a) Introduction
        Speaker: Simon Peeters (University of Sussex)
      • b) From 2x6x1 to full detector simulation
        Speaker: Aran Borkum (University of Sussex)
      • c) Material properties
        Speaker: James Haiston (South Dakota School of Mines and Technology, Graduate Student)
      • d) Validation
        Speaker: Eric Church (PNNL)
      • e) Neutron flux measurements
        Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      • f) Neutron flux models
        Speaker: Vitaly Kudryavtsev (University of Sheffield)
      • g) Simulation results with full 10 kton geometry
        Speaker: Aran Borkum (University of Sussex)
      • h) Discussion
    • 22
      External Neutrons: From 2x6x1 to Full Detector Simulation
      Speaker: Aran Borkum (University of Sussex)
      BKG-Review_1x2x6_to_Full_Geo_220720.pdf
    • 23
      External Neutrons: Material Properties
      Speaker: James Haiston (South Dakota School of Mines and Technology, Graduate Student)
      DUNE_BackgroundsWorkshop_extNeutronsMaterials_22July2020_JR.pdf
    • 24
      External Neutrons: Validation
      Speaker: Eric Church (PNNL)
      neutron-corroboration.pptx
    • 25
      External Neutrons: Neutron Flux Measurements
      Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      DUNE_BackgroundsWorkshop_extNeutronFluxMeasurements_22July2020_JR.pdf
    • 26
      External Neutrons: Neutron Flux Models
      Speaker: Vitaly Kudryavtsev (University of Sheffield)
      neutrons-dune-rock-bgtf-review-july2020.pdf
    • 27
      External Neutrons: Simulation Results with Full 10 k-ton Geometry
      Speaker: Aran Borkum (University of Sussex)
      BGK-Review_Sim_results_with_Full_Geo_220720.pdf
    • 28
      Executive Session
  • Thursday, 23 July
    • 29
      Detector Cleanliness: Cleanliness Requirements
      Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      DUNE_BackgroundsWorkshop_BGsCleanlinessRequirements_23July2020_JR.pdf
      • a) Cleanliness requirements
        Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      • b) Possible mitigation strategies to meet and/or improve cleanliness
        Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
      • c) Discussion
    • 30
      Detector Cleanliness: Mitigation Strategies to Improve Cleanliness
      Speaker: Juergen Reichenbacher (South Dakota School of Mines and Technology)
    • 31
      Low Background Detector Potential: Expected Requirements
      Speaker: Christopher Jackson (PNNL)
      DUNE_lowBackgroundModule.pdf
    • 32
      Low Background Detector Module Discussion: Physics Potential
      Speaker: Eric Church (PNNL)
      • a) Physics potential
        Speaker: Eric Church (PNNL)
      • b) Requirements expected
        Speaker: Christopher Jackson (PNNL)
      • c) Discussion
    • 11:00
      Break
    • 33
      Review Committee Discussion
  • Wednesday, 29 July
    • 34
      Working Group Responses to Review Committee Questions
      Speakers: Juergen Reichenbacher (South Dakota School of Mines and Technology), Simon Peeters (University of Sussex)
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