R2E Weekly Report status AT/MB/MC – 4 th R2E Project Meeting – 7 th April 2011.

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Presentation transcript:

R2E Weekly Report status AT/MB/MC – 4 th R2E Project Meeting – 7 th April 2011

Rationales for the weekly report  The objective of the weekly report exercise it to provide radiation levels (high energy hadron fluences and dose) in critical areas – both tunnel and shielded – of the LHC, where COTS electronics is installed  LHC-RadMons, BLM (and PMI/PATs are considered but not reported)  Aim is to provide a concise but complete report of radiation levels at the RadWG meeting, so that equipment owner are continuously updated  Know radiation-risk areas + specific attention is placed to “unexpected” loss locations o Close link to LHC beam operation to understand these events  On the medium term an online web-based system will be able to provide an interface also to an LHC map with the weekly readings  … in addition updated layout maps with monitor locations will also be included 7th April 2011R2E Weekly Report status - AT/MB/MC2

Procedure for the weekly report  Extraction of the complete list of detectors (RadMon/BLM/PMI/PAT) over the full past week  Sets of python routines are used to process the data and create an Excel sheet with a “News” (counts/readings above a certain threshold) + all detectors by points  A master weekly report template then takes the readings from this sheet and apply the respective calibration factor for the RadMon and extracts:  HEH/week (tunnel and shielded areas)  HEH/2011 (tunnel and shielded areas)  BLM/week (tunnel areas)  … lumi and beam intensity will be soon included  The risk factor can be changed region per region in order to improve the prediction capability (at present a rough estimation is present) 7th April 2011R2E Weekly Report status - AT/MB/MC3

Example of the full list of detectors 7th April 2011R2E Weekly Report status - AT/MB/MC4 Radmon Data: Detector: Delta SIMA.UJ17.1RM03S SIMA.UJ13.1LM03S SIMA.8L1.1LM14S SIMA.4L1.1LM07S SIMA.4R1.1RM19S SIMA.4R1.1RM07S SIMA.4L1.1LM18S SIMA.8R1.1RM15S SIMA.UJ14.1LM02S SIMA.UJ16.1RM02S SIMA.4R1.1RM08S SIMA.5L1.1LM08S SIMA.11L1.1LM17S SIMA.11R1.1RM18S SIMA.6L1.1LM09S SIMA.6R1.1RM10S SIMA.9L1.1LM15S BLM Data: Detector:Dose: (mGy) BLMEI.04L1.B2E10_TANAL.4L BLMQI.03R1.B1E30_MQXA BLMEI.04R1.B1E10_TANAR.4R BLMQI.03L1.B2E30_MQXA BLMQI.04L1.B2E30_MQY BLMQI.01L1.B1I30_MQXA BLMQI.01R1.B1E30_MQXA BLMQI.01R1.B2I30_MQXA BLMQI.02L1.B1I23_MQXB BLMQI.01L1.B2E30_MQXA BLMQI.02R1.B1E30_MQXB BLMQI.02L1.B2E30_MQXB BLMEI.05L1.B2E10_TCL.5L1.B BLMEI.04L1.B2E10_TCLP.4L1.B BLMEI.04R1.B2I10_TCTVA.4R1.B BLMEI.04R1.B2I10_TCTH.4R1.B BLMQI.02R1.B2I23_MQXB BLMQI.02L1.B1I30_MQXB BLMQI.02R1.B2I30_MQXB BLMQI.01R1.B1E10_MQXA RadMons/BLM for P1 ordered as decreasing counts/dose

Extracts from the weekly report (W12) (1/3) 7th April 2011R2E Weekly Report status - AT/MB/MC5 Radiation levels in the LHC (R2E-related) Week 12 ( :00h :59h) Comments: - Locations with cumulated fluences <HEH/cm2 are those where the RadMons counts are statistically not relevant - RadMon readings in shielded areas are strongly affected by the thermal neutron component Uncertainties: Tunnel locations - factor of 2x Shielded areas - factor of 3x RRs tunnelshielded areas HEH (cm-2/week)HEH (cm-2/2011)BLM dose (mGy/week)HEH (cm-2/week)HEH (cm-2/2011) 73 <1,00E E+02<1,00E E E E+02<1,00E+6 53 <1,00E+61.73E E+02<1,00E+6 57 <1,00E E+02<1,00E+6 13 <1,00E E+02<1,00E+6 17 <1,00E E+02<1,00E+6 UJs tunnelshielded areas HEH (cm-2/week)HEH (cm-2/2011)BLM dose (mGy/week)HEH (cm-2/week)HEH (cm-2/2011) 14 (13, tun) 5.15E E E+03<1,00E+61.38E (17, tun) 7.95E E E+03<1,00E+61.24E E E E+02N/A E E E+02<1,00E E E E+02<1,00E E E E+02N/A 32 <1,00E E+02N/A 33 <1,00E+6 N/A<1,00E E E E+03<1,00E+6 Color based identification of radiation levels similar to the Area Overview page of the R2E Website (link)link

Extracts from the weekly report (W12) (2/3) 7th April 2011R2E Weekly Report status - AT/MB/MC6 REs tunnel/sideshielded areas HEH (cm-2/week)HEH (cm-2/2011) BLM dose (mGy/week) HEH (cm-2/week)HEH (cm-2/2011) 28 <1,00E E+02<1,00E+6 38 <1,00E E+02<1,00E+6 62 <1,00E E+02<1,00E+6 68 <1,00E E+02<1,00E E E+02<1,00E+6 US85/UX85 cavern UX85cavern US85 HEH (cm-2/week)HEH (cm-2/2011)HEH (cm-2/week)HEH (cm-2/2011) 1.09E E+06 <1,00E+6 tunnel HEH (cm-2/week)HEH (cm-2/2011) BLM dose (mGy/week) R E E E+03N/A R74/ E E E+04N/A R E E E+03N/A tunnel (RA)shielded areas (UA) HEH (cm-2/week)HEH (cm-2/2011) BLM dose (mGy/week) HEH (cm-2/week)HEH (cm-2/2011) P2 right (27) 1.19E E E+02<1,00E+6 P2 left (23) 3.14E E E+02<1,00E+6 P8 right (87) 1.45E E E+02<1,00E+6 P8 left (83) N/A 5.69E+02<1,00E+6 UX balcony US 2 nd floor cryo RadMons at secondary collimators RadMons at ZDC/TCTH TDI

Extracts from the weekly report (W12) (3/3) 7th April 2011R2E Weekly Report status - AT/MB/MC7 Additional points of interest (losses observed in 'unusual' locations) tunnelshielded areas HEH (cm-2/week)HEH (cm-2/2011)BLM dose (mGy/week)HEH (cm-2/week)HEH (cm-2/2011) UXC E E+07N/A 8R5 7.26E E E+02N/A 9R5 1.38E E E+02N/A 11R5 1.55E E E+02N/A UPS54 N/A <1,00E+6 11L1 1.55E E E+02N/A 8L1 5.10E E E+02N/A ARC 32R4 N/A 4.99E+02 33R4 N/A 2.76E+02 32L8 N/A 4.24E+02 11R3 N/A 6.06E+02 11L4 <1,00E E+02 “Special” locations, which strongly depends on LHC operation (DS/ARC) DS  QPS issues High doses in middle ARC  observation also by OP  QPS issue (no firmware update up to there?)