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---+!! %MAKETEXT{"CERN PS Booster Upgrade Working Group"}%

The LHC Injectors Upgrade (LIU) should plan for delivering reliably to the LHC the beams required for reaching the goals of the high luminosity LHC (HL-LHC). This includes LINAC4, the PS Booster, the PS, the SPS, as well as the heavy ion chain.

Within the LIU project the PS Booster upgrade project (“LIU-PSB”) coordinates all activities related to an upgrade of the PS Booster in order to deliver ultimate LHC beams. This had included the study of two scenarios to replace the PS Booster by a new PS injector : PSB Energy Upgrade and Rapid Cycling Synchroton (RCS). 
In August 2011, it was decided not to go further in the RCS study (a link to the study remain [[PSBUpgradeRCS][here]]), and to go for the PSB Energy Upgrade. 
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---++ %MAKETEXT{"Mandate: Study of an Energy Upgrade of the CERN PS Booster"}%

Study leader: K. Hanke, BE/OP

The aim of the study is to evaluate the technical feasibility of an increase in beam energy of the CERN PS Booster from presently 1.4 !GeV to about 2 !GeV as proposed at the [[http://indico.cern.ch/conferenceOtherViews.py?view=standard&confId=67839][Chamonix 2010 workshop]].

The study comprises:
   * Confirm the potential gain in terms of intensity and brilliance for LHC-type beams as presented at the Chamonix 2010 workshop.

   * Confirm the technical feasibility. Identify accelerator components and equipment that need to be upgraded or exchanged. Identify potential showstoppers and point out solutions. Assign the responsible groups/units. Provide first rough time estimates for the various interventions needed.

   * Provide a first estimate of material and personnel resources needed to complete the upgrade. Draft a project break-down into work packages, in preparation for a project to be launched by the director of accelerators.

---++ %MAKETEXT{"Project Break-down"}%

   * The last version of the Working Break-down Structure (WBS) is available at https://edms.cern.ch/document/1146814.

---++ %MAKETEXT{"LIU-PSB Documentation"}%

*The instructions for accessing the LIU-PSB templates for preparing the documentation are available [[https://indico.cern.ch/event/390048/contribution/3/material/0/1.pdf][here]].*

*%RED%Document Handling in the LIU-PSB Project:%ENDCOLOR%*   
   * The access rights allow all the project members to create documents.
   * Any project member can put documents through an ‘engineering check’ process.
   * A decision is made as to whether a document is long term or not *by the Project Management*.
   * All long term documents must undergo a formal approval (‘under approval’) before ‘release’. *The approval process is handled by a restricted group*.
   * First point of contact is T. W. Birtwistle (thomas.william.birtwistle@NOSPAMcern.ch).

*%RED%Step-by-step Instruction on How to Create a Document for the LIU-PSB Project:%ENDCOLOR%*   
   * Create a document in the appropriate EDMS node of the LIU-PSB Project, link [[https://edms.cern.ch/edmsui/#!master/navigator/project?P:1481199041:1481199041:subDocs][here]].
   * Select the correct document type from the list, see how to select the appropriate template [[https://indico.cern.ch/event/390048/contribution/3/material/0/1.pdf][here]].
   * *Please pay attention in changing the version number from 1.0 (default) to 0.1.*
   * Select an appropriate equipment code. If a suitable code doesn’t exist, cancel the registration and contact: Accelerators-naming.service@cern.ch.
   * In case of doubts, please contact T. W. Birtwistle (thomas.william.birtwistle@NOSPAMcern.ch). 

*%RED%More Information:%ENDCOLOR%*
   * The templates for the LIU documentation are available on EDMS at https://edms.cern.ch/nav/P:LIU-000000:V0/P:LIU-000012:V0/TAB3.
   * All equipment codes are stored [[https://apex.cern.ch/pls/htmldb_accdb/f?p=136:1:28489240640253:::::][here]].
   * T. Birtwistle's presentation [[https://indico.cern.ch/event/344405/contribution/6/material/slides/1.pdf]["LIU-PSB Configuration Management"]] done at the LIU-PSB WG meeting the 9<sup>th</sup> September 2014.

<!-- Comment out from the original breakdown
---++ %MAKETEXT{"Project Break-down"}%

%TABLE{headerbg="#FFFFE0" headercolor="#aa0000" headeralign="left" databg="#FFFFE0" cellborder="0" tableborder="2" columnwidths="5%,35%,40%,20%" tablewidth="100%" sort="off"}%

| | CERN Coordinator | K. Hanke | |
| | CERN Deputy Leader | B. Mikulec | |
| | Scientific Secretary | G.P. Di Giovanni | |
| | US LARP Representative | E. Prebys | |

%TABLE{headerbg="#FFFFE0" headercolor="#aa0000" headeralign="left" databg="#FFFFE0" cellborder="0" tableborder="2" columnwidths="5%,35%,40%,20%" tablewidth="100%" sort="off"}%

| | *Work-Package* | *Responsible* | *Unit* |
|  2. | Beam Dynamics | E. Benedetto | BE/ABP |
|  3. | Magnets | A. Newborough | TE/MCS |
|  4. | RF Systems | A. Findlay, M. Paoluzzi, M.E. Angoletta, A. Blas, A. Butterworth | BE/RF |
|  5. | Power Converters | S. Pittet, D. Nisbet | TE/EPC |
|  6. | Instrumentation | J. Tan | BE/BI |
|  7. | Beam Intercepting Devices | C. Maglioni | EN/STI |
|  8. | Vacuum System | J. Hansen | TE/VSC |
|  9. | L4-PSB Transfer and PSB Injection | W. Weterings, J. Borburgh, E. Carlier, E. Benedetto | TE/ABT, BE/ABP |
|  10. | PSB Extraction and PSB-PS Transfer | J. Borburgh, W. Weterings, E. Carlier, W.Bartmann | TE/ABT |
|  11. | Controls | J. Betz | BE/CO |
|  12. | Electrical Systems | S. Bertolasi | EN/EL |
|  13. | Cooling and Ventilation | M. Obrecht | EN/CV |
|  14. | Installation, Transport and Handling | C. Bertone | EN/HE |
|  15. | Civil Engineering | L.A. Lopez-Hernandez | GS/SE |
|  16. | Radiation Protection | R. Froeschl | DGS/RP |
|  17. | Interlock Systems | B. Puccio, C. Martin, P. Dahlen| TE/MPE |
|  18. | Alarms | | --/--- |
|  19. | Access Systems - Doors | | --/--- |
|  20. | Survey | T. Dobers | BE/ABP |
|  21. | Commissioning and Operation | B. Mikulec | BE/OP |
|  22. | Dismantling | | --/--- |

%TABLE{headerbg="#FFFFE0" headercolor="#aa0000" headeralign="left" databg="#FFFFE0" cellborder="0" tableborder="2" columnwidths="5%,35%,40%,20%" tablewidth="100%" sort="off"}%

| | | *Linkpersons* | *Unit* |
| | Safety | D. Hay | EN/MEF |
| | Design Office | A. Dallocchio | EN/MME |
| | Integration | Y. Muttoni | EN/MEF |
| | Optics Database | | --/--- |
| | Layout Database | T. Birtwistle, P. Le Roux | EN/MEF, BE/CO |
| | Technical Coordination | D. Hay | DG/DI |
| | HSE Correspondant | A. Jorge Henriques | DGS/SEE |
| | Consolidation and Shut-Down Work | D. Hay | EN/MEF |
| | PS | S. Gilardoni, R. Steerenberg | BE/ABP, BE/OP |

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