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

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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  1. R2E Review – Introduction to Session 1 – Calculations & MonitoringR2E Review 2011 M. Calviani (EN/STI) for the R2E Project

  2. Agenda M. Calviani - R2E Review - Introduction Session 1

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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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