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Expected radiation levels during the electronics tests in CNGS side gallery

Expected radiation levels during the electronics tests in CNGS side gallery. Daniel Kramer. Positioning of RadMons in the test area (naming conventions). Access door. Rmon #6. Rmon #8. Rmon #7. Stations 1,2. Stations 3,4. #1. #4. #5. #2. Rmon #3.

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Expected radiation levels during the electronics tests in CNGS side gallery

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  1. Expected radiation levels during the electronics tests in CNGS side gallery Daniel Kramer

  2. Positioning of RadMons in the test area (naming conventions) Access door Rmon #6 Rmon #8 Rmon #7 Stations 1,2 Stations 3,4 #1 #4 #5 #2 Rmon #3 D.Kramer EN-STI

  3. Dose map for 1yr of nominal operation [4.5e19 pot] 1.78e19 pot in 2008 Fluka simulations by L.Sarchiapone 2008 D.Kramer EN-STI

  4. Simulated high energy hadron fluence maps for TSG45 and TSG46 • Unit: cm-2/pot • For practical units, multiply by number of pot for the given period • Important gradients ! • Simplified geometry (empty ducts) • ~ Factor 10 between TSG46 and TSG45 • To be scaled by i.e. 1e18pot/week D.Kramer EN-STI

  5. Simulated dose maps for TSG45 and TSG46 ~1Gy/week • Unit: Gy/pot • For practical units, multiply by number of pot for the given period • Important gradients ! ~10Gy/week • Simplified geometry (empty ducts) • ~ Factor 10 between TSG46 and TSG45 • To be scaled by i.e. 1e18pot/week D.Kramer EN-STI Courtesy of Markus Brugger

  6. Realistic target intensity estimation 1 to 2x1018 p+ on target/week 2e18pot/week 1e18pot/week D.Kramer EN-STI

  7. Combined measurement results for the 5 RadMon positions normalized to 1018 protons on target • Comparison with the values integrated during 1 year of Nominal LHC operation – alongside arc dipole • Dose : 10 Gy • Hadrons>20MeV : 4 1010 cm-2 • 1MeV eq. Neutrons : 3 1011 cm-2 D.Kramer EN-STI

  8. TSG45 – 2008 tests D.Kramer EN-STI

  9. TSG46 – 2008 tests D.Kramer EN-STI

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