Cylindrical RP developments
description
Transcript of Cylindrical RP developments
![Page 1: Cylindrical RP developments](https://reader036.fdocuments.net/reader036/viewer/2022062422/568139e5550346895da19d44/html5/thumbnails/1.jpg)
LHC Working Group on Forward Physics and Diffraction J. Baechler TOTEM 16.5.2013
Cylindrical RP developments
RF optimizationMechanic layout
Production
![Page 2: Cylindrical RP developments](https://reader036.fdocuments.net/reader036/viewer/2022062422/568139e5550346895da19d44/html5/thumbnails/2.jpg)
LHC Working Group on Forward Physics and Diffraction J. Baechler TOTEM 16.5.2013
History: Development of RP housing for timing detector-> rotation of box RP by 90°November 2012
Example of Cherenkov timing detector
![Page 3: Cylindrical RP developments](https://reader036.fdocuments.net/reader036/viewer/2022062422/568139e5550346895da19d44/html5/thumbnails/3.jpg)
LHC Working Group on Forward Physics and Diffraction J. Baechler TOTEM 16.5.2013
RF issues related to Roman Pot
• RF simulation showed strong increase of beam induced heating for rotated RP box (90°)
![Page 4: Cylindrical RP developments](https://reader036.fdocuments.net/reader036/viewer/2022062422/568139e5550346895da19d44/html5/thumbnails/4.jpg)
LHC Working Group on Forward Physics and Diffraction J. Baechler TOTEM 16.5.2013
Study of cylindrical RP
![Page 5: Cylindrical RP developments](https://reader036.fdocuments.net/reader036/viewer/2022062422/568139e5550346895da19d44/html5/thumbnails/5.jpg)
LHC Working Group on Forward Physics and Diffraction J. Baechler TOTEM 16.5.2013
Optimization of RF characteristics(first preliminary results B. Salvant, BE-ABP-ICE)
Study of new RP housing
Present RP housing
Study of possible RF shielding for existing RP
Study is ongoingNot all issues are solved yet !
result without ferrite
result with ferrite
Ideal cylindrical RP without gap
![Page 6: Cylindrical RP developments](https://reader036.fdocuments.net/reader036/viewer/2022062422/568139e5550346895da19d44/html5/thumbnails/6.jpg)
LHC Working Group on Forward Physics and Diffraction J. Baechler TOTEM 16.5.2013
RF simulation of cylindrical RP with ferrite on top
![Page 7: Cylindrical RP developments](https://reader036.fdocuments.net/reader036/viewer/2022062422/568139e5550346895da19d44/html5/thumbnails/7.jpg)
LHC Working Group on Forward Physics and Diffraction J. Baechler TOTEM 16.5.2013
Comparison RP box <-> RP cylindrical
![Page 8: Cylindrical RP developments](https://reader036.fdocuments.net/reader036/viewer/2022062422/568139e5550346895da19d44/html5/thumbnails/8.jpg)
LHC Working Group on Forward Physics and Diffraction J. Baechler TOTEM 16.5.2013
Cylindrical Roman Pot Mechanical design study (D. Druzhkin & D. Perini)
![Page 9: Cylindrical RP developments](https://reader036.fdocuments.net/reader036/viewer/2022062422/568139e5550346895da19d44/html5/thumbnails/9.jpg)
LHC Working Group on Forward Physics and Diffraction J. Baechler TOTEM 16.5.2013
316LN (20˚C)Σ0.2 = MPa;
ΣU = MPa;
E =
Inner pressure 1 bar
![Page 10: Cylindrical RP developments](https://reader036.fdocuments.net/reader036/viewer/2022062422/568139e5550346895da19d44/html5/thumbnails/10.jpg)
LHC Working Group on Forward Physics and Diffraction J. Baechler TOTEM 16.5.2013
Cylindrical RP
![Page 11: Cylindrical RP developments](https://reader036.fdocuments.net/reader036/viewer/2022062422/568139e5550346895da19d44/html5/thumbnails/11.jpg)
LHC Working Group on Forward Physics and Diffraction J. Baechler TOTEM 16.5.2013
Roman Pot -> Integration study- cylindrical RP in horizontal station
-L bar QUARTIC in cylindrical RP (TIMING detector)
![Page 12: Cylindrical RP developments](https://reader036.fdocuments.net/reader036/viewer/2022062422/568139e5550346895da19d44/html5/thumbnails/12.jpg)
LHC Working Group on Forward Physics and Diffraction J. Baechler TOTEM 16.5.2013
STATUSTOTEM CYLINDRICAL ROMAN POT
• RF optimization of new cylindrical RP finished• Production drawing ready and under approval• Prototype production scheduled for May-June
2013• Mechanical and vacuum tests will follow the prototype
production• RP stations with standard dimensions
Production (Vacuum Praha)possible – production drawing for 2 two independent horizontal RP are ready
• Study of material budget with GEANT4 simulation (talk of F. Nemes)
![Page 13: Cylindrical RP developments](https://reader036.fdocuments.net/reader036/viewer/2022062422/568139e5550346895da19d44/html5/thumbnails/13.jpg)
LHC Working Group on Forward Physics and Diffraction J. Baechler TOTEM 16.5.2013
STATUS TOTEM CYLINDRICAL RF SHIELDING
• RF optimization of new cylindrical RP in final design phase• Prototype production scheduled for May-June
2013• Vacuum test scheduled after prototype
production
![Page 14: Cylindrical RP developments](https://reader036.fdocuments.net/reader036/viewer/2022062422/568139e5550346895da19d44/html5/thumbnails/14.jpg)
LHC Working Group on Forward Physics and Diffraction J. Baechler TOTEM 16.5.2013
Sharing of work overviewwith CERN groups (not complete)
EN-MEF-LE (coordination, synchronization with LHC planning & scheduling)
PH-DT (RP mechanics, vacuum, motor, services, cable production .. ..)
PH-ESE (electronic issues, fibers, HV cables…)
EN-CV-DC (RP cooling system)
EN-MEF-SI (cables)
EN-MME-DI (new RP production)
EN-ICE-SIC (FESA)
TE-VSC-LBV (ferrite – vacuum measurements, beam pipe)
TE-MPE-PE (LHC machine protection)
DGS-RP-AS (radiation protection)
PH-UCM (RP engineering, integration,…)
BE-ABP-ICE (RP – RF study & optimization)
BE-OP-LHC (Operation of RP – CCC)
BE-ABP-LCU (collimators)
TOTEM
work packages & schedule