Report from the MCWG, 4 th R2E Committee Meeting M. Calviani for the MCWG (link), EN/STIlink.

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Report from the MCWG, 4 th R2E Committee Meeting M. Calviani for the MCWG (link), EN/STIlink

Update since the last R2E Project Meeting (1/4) 7th April 2011Report from the MCWG - 4th R2E Project Meeting 2  Info from the last 5 th MCWG meeting (24 th March):  BCT monitor discussion for the TI2/8 injection and in the LHC (link)link  No reliable (better than 5% exists for the TI2/8 injection; no info for the beam lost in the injection lines  In the LHC, due to “delay” issues, only the DCBCT are to be considered for reliable beam intensity measurement  P1 application benchmark update for 2010 operation (link)link  PMI in the tunnel (up to cell 4) + PAT in the UJ14/16 shielded areas (agreement between 1x (PMI1411,PAT1411) -5x (PMI1412) )  Assuming symmetry of beam line element for P5 (not completely true), benchmark for TOTEM location (5x (PMI5714) )

Update since the last R2E Project Meeting (2/4) 7th April 2011Report from the MCWG - 4th R2E Project Meeting 3 OK ?? 5x? FLUKA calculated R-factor  TLD measures ~10 Agreement within a factor of 2x (assuming FLUKA-calculated R)

Update since the last R2E Project Meeting (3/4) 7th April 2011Report from the MCWG - 4th R2E Project Meeting 4  Discussion on the weekly report (link)link  Already discussed …  New FESA class for the RadMon and new installations (link)link  A new interface class for the RadMon will be deployed in the following weeks, changing both the use and the “expert” interface  A wrapper will be used to maintain the same names for 2011 as in 2010 (change in the middle of the year is not really easy to digest)  full change from 2012  New FIP RadMon have been installed at Point 8 to monitor tunnel side losses  LHC R2E-dedicated MD (link, document)linkdocument  A request for a dedicated MD have been requested  “orbit bump peaking in C14R2”, 8*10 9 p/bunch, total required intensity ~1-5*10 12 protons 1.Application benchmark + gradient in case of losses! 2.Risk factor evaluation (bigger uncertainty given the spread of memories)  Objective is to perform the test before the next TS (possible?)

MBC MQ MBA MBB LHC beam tests cell 14R2 – present configuration Cell 14Cell 15 corrector FIP RadMon (5V) BatMon (3V) Beam 1 MBC MQ MBA MBB Cell 14Cell 15 corrector Beam 1 LHC beam tests cell 14R2 – proposed configuration BatMon (5V) i.e.: +1 FIP RadMon (5V) +1 BatMon (3V) +2 BatMon (5V) QPS EPC equip. 7th April h requested, 450 GeV/beam requested, 5* *10 10 p/bunch, 1 bunch/beam Report from the MCWG - 4th R2E Project Meeting 5