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R2E Review – Introduction to Session 1 – Calculations & Monitoring R2E Review 2011 PowerPoint PPT Presentation


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R2E Review – Introduction to Session 1 – Calculations & Monitoring R2E Review 2011. M. Calviani (EN/STI) for the R2E Project. Agenda. RadMons. RadMon calibration ( J. Mekki – EN/STI ) How RadMon are calibrated Accuracy/uncertainties Calibration improvements

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R2E Review – Introduction to Session 1 – Calculations & Monitoring R2E Review 2011

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R2e review introduction to session 1 calculations monitoring r2e review 2011

R2E Review – Introduction to Session 1 – Calculations & MonitoringR2E Review 2011

M. Calviani (EN/STI) for the R2E Project


Agenda

Agenda

M. Calviani - R2E Review - Introduction Session 1


Radmons

RadMons

  • RadMon calibration (J. Mekki – EN/STI)

    • How RadMon are calibrated

    • Accuracy/uncertainties

    • Calibration improvements

  • RadMon generalities and installation (G. Spiezia – EN/STI)

    • RadMon types and location in the LHC underground areas

    • Requirements and possible changes

M. Calviani - R2E Review - Introduction Session 1


Lhc radiation and observation

LHC– radiation and observation

  • Additional (R2E-related) weak points (M. Calviani – EN/STI)

    • P4 LSS/UX45 beam-gas levels

    • P6 UX65 beam-gas levels – monitoring results

    • DS/ARC and operation with 25ns bunch spacing

    • UX/UL junction weak-point

  • LHC operational perspectives (M. Lamont – BE/OP)

    • Main question for 2012 operation

    • 25ns scrubbing?

    • Target luminosities for 2012 and beyond

  • Vacuum evolution 2011/2012/LS1 (V. Baglin – TE/VSC)

    • Vacuum behaviour during 50 ns operation

    • Expected and measured pressure during 25 ns MDs in 2011

    • Expected scrubbing periods during 2012

    • Confirmation of pressure values in DS/ARC during operation

  • Beam-gas radiation levels in FLUKA (R. Versaci – EN/STI)

    • FLUKA dose prediction in ARC and comparison with BLM data

    • Results of the 25ns MD

M. Calviani - R2E Review - Introduction Session 1


Collimation behaviour

Collimation behaviour

  • Collimation losses as seen from BLM (A. Nordt – BE/BI)

    • Loss distribution between IR3/7 from BLM

    • Behaviour of losses within primary and secondary in IR7

    • (Cumulated dose P4/P6)

  • Expectation from the collimation team (A. Rossi – BE/ABP)

    • Loads on collimators

    • Foreseen sharing between IR3/7 and ollimators during a fill

    • Long-term loss/assumption for collimation

    • Effect of new collimators in IR2/8

    • Phase-II?

M. Calviani - R2E Review - Introduction Session 1


Simulations

Simulations

  • P1/5 cross-check and R-factor evaluation (C. Adorisio – DGS/RP)

    • Cross-check of PATs and RadMons in UJ14/16

    • R-factor gradient and comparison with RadMon extracted data with realistic equipment

    • Sensitivity of IG5 chamber with respect to thermal neutrons

  • P1 RR advanced shielding options (R. Kwee – EN/STI)

    • What we might gain after the LS1 and what are possible solutions for the RRs

M. Calviani - R2E Review - Introduction Session 1


Radiation levels

Radiation levels

  • LHC SEU-related radiation levels (M. Calviani – EN/STI)

    • Summary of 2011 operation

    • Perspective for 2012 operation and for nominal configuration

    • Overview of known critical areas as well as other zone shown to be sensitive during 2011 operation

    • Review of levels for DS/ARC based on 2011 vacuum observations

  • Design study for a PS East Area irradiation facility (E. Lebbos – EN/STI)

    • First generic calculation for a future new irradiation facility in the East Area

    • Particle spectra and RP aspects

M. Calviani - R2E Review - Introduction Session 1


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