Stuff on Radon (including counting reports, decay chain, alpha light yield)

Document #:

MicroBooNE-doc-4883-v6

Document type:

Other Documents

Submitted by:

Stephen Pordes

Updated by:

Stephen Pordes

Document Created:

30 Sep 2015, 14:14

Contents Revised:

09 Jan 2016, 13:55

Metadata Revised:

14 Oct 2020, 08:14

Abstract:

counting reports on filter materials, traps, measurements of radon, radon decay chain, light yield of alphas and more

Files in Document:

• filter_bypass_plot.pptx (90.1 kB)
• FNAL Measurement on mol.sieve and cu getter from PAB stock (RPG_LArTF_15-286CR_gamma.pdf, 38.3 kB)
• FNAL Measurement on ASGE molecular sieves (candidate replacement) (RPG_LArTF Sieves_15-356C_gamma.pdf, 74.6 kB)
• FNAL Measurement on Sigma-Aldrich Mole Sieve (candidate replacement) and actual MicroBooNE copper (RPG_LArTF Sieves_15-316_gamma_Sigma_Aldrich_sieves_an...pdf, 113.5 kB)
• FNAL Measurement on a weldment (2 inch schedule 10) (ND_MiniBooNE_15-355_gamma_weldment.pdf, 73.3 kB)
• FNAL measurement on molecular sieve from cooldown filter - removed with scoop (RPG_LArTF Sieves_15-344_gamma_uboone_cooldown_sieve_sc...pdf, 82.8 kB)
• FNAL measurement on molecular sieve removed from cooldown filter - removed with vacuum cleaner (RPG_LArTF Sieves_15-346_gamma_(Vacuum Extracted).pdf, 54.0 kB)
• PNNL measurements on Molecular Sieve and Copper Getter materials (MicroBoone_Molecular_and_Copper_Sieve_20151023.pdf, 119.6 kB)
• Summary of Rad tests on Molecular Sieves and Cu reactant 1-9-16 (Rad_tests_results_summaryxlsx.pdf, 28.8 kB)

Other Files:

• DEAP_backgrounds_analysis.pdf (1.6 MB)
• LArTF GetterMax_single_sample_16-346_gamma.pdf (334.4 kB)
• RPS_LArTF GetterMax_16-346R_gamma_two_samples.pdf (102.6 kB)
• 222Rn and 220Rn decay chain (RadonDecayChain.png, 195.2 kB)
• Decay chain starting at Uranium (Decay_chain(4n+2,_Uranium_series)_with_energies.png, 70.6 kB)
• LNGS Measurements on Trigon (Copper getter) in 2007 (Trigon2007-WARP070329.png, 121.5 kB)
• LNGS Measurements on Trigon idifferent Copper getter) in 2010 (BASF-or-Trigon_2010-WARP101104.pdf, 13.9 kB)
• LNGS Measurements on Z4 and Z10 molecular sieve (Zeolite_rad_level-WARP090112.pdf, 15.3 kB)
• Light yield of alphas in electric field (PhysRevA.35.3956.pdf, 178.0 kB)
• Mail from Flavio Cavanna summarizing situation (Flavio_mail_9-30-15.pdf, 38.7 kB)
• PO for copper material (Copper Media.pdf, 50.7 kB)
• PO for molecular sieve (Mole Sieve Media.pdf, 50.2 kB)
• Paper on Radon Removal in gas and liquid phase (Gerda_Radon_Removal.pdf, 159.5 kB)
• Radon emanation talk to Gerda (includes 2007 Trigon) (zuzel_gerda_nov07.pdf, 350.5 kB)
• Report on getter max (not what we use) - split into two unequal samples to check technique (RPS_split_lots_LArTF GetterMax_16-346R_gamma.pdf, 102.6 kB)
• Report on radon emanation of Trigon (Radon_emanation_Trigon and other_stuff.png, 263.5 kB)
• TPB very long time constant (Ettore-TPB-PhysRevC.91.035503.pdf, 1.5 MB)
• Talk at LRT 2010 on Gerda includes removal of radon from argon (Simgen_LRT2010.pptx, 9.6 MB)
• Use of Charcoal to clean Neon - Harrison, Lippincott (Harrison-2006-1.pdf, 230.5 kB)
• excel file of rad test results (Rad_tests_results_summary.xlsx, 48.4 kB)
• free charge from alphas (alpha-Q.pdf, 470.8 kB)

Topics:

• Cryogenics - WBS 1.2:Purification:Radon

Authors:

• Other Other
• Stephen Pordes

Notes and Changes:

added one measurement of Molecular sieve (removed by vacuum cleaner)
made title a little more useful
added measurements of gettermax - possible better getter

Related Documents:

• MicroBooNE-doc-4879: Observation of Single Photoelectron Pulses due to Radon Emanation from the Filters
• MicroBooNE-doc-3128: Measuring Argon Flows in MicroBooNE with a Radon Tracer
• MicroBooNE-doc-4898: Radon Task Force Charge

Referenced by:

• MicroBooNE-doc-4906: Estimating Radon-222 Contamination in MicroBooNE
• MicroBooNE-doc-4931: RTF reports