CARE-HHH progress 2nd quarter 2006

1
CARE-HHH progress 2nd quarter 2006
High Energy High Intensity Hadron Beams

• Francesco Ruggiero, Walter Scandale, Frank
  Zimmermann (substituting for F.R.)

Supported by the European Community-Research
Infrastructure Activity under the FP6
Structuring the European Research Area
programme (CARE, contract number
RII3-CT-2003-506395).
2
CARE-HHH Network 3 work packages

• WP1 Advancements in Accelerator Magnet
  Technologies (AMT)
• coordinated by L. Rossi (CERN) and L. Bottura
  (CERN)
• keywords stability and quench limit of LHC
  insertion magnets, pulsed magnets for LHC and GSI
  accelerator complex upgrade, magnets for booster
  ring, high field magnet design, optimisation of
  the overall cost
• WP2 Novel Methods for Accelerator Beam
  Instrumentation (ABI)
• coordinated by H. Schmickler (CERN) and K.
  Wittenburg (DESY)
• keywords tools and diagnostic systems for
  luminosity, wire for beam-beam compensation,
  advanced transverse beam diagnostics, feedback
  loops for orbit, chromaticity and coupling,
  advanced beam halo diagnostics, remote
  diagnostics and maintenance of instrumentation
• WP3 Accelerator Physics and synchrotron Design
  (APD)
• coordinated by F. Ruggiero (CERN) and F.
  Zimmermann (CERN)
• keywords Interaction Region design for LHC
  luminosity upgrade, optics design for booster
  synchrotrons, impedance calculations, structured
  list of intensity limits, electron cloud effects,
  beam measurements and advanced theoretical
  studies (including collimation, halo formation,
  and loss mechanisms)

http//care-hhh.web.cern.ch/CARE-HHH/
3
highlights

• PhD student summer student working on the
  database for superconducting cable and magnets in
  the frame of WP1 (AMT)
• WP3 (APD) laid groundwork for limiting the
  options of LHC IR upgrade scenarios and helped to
  determine basic parameters for the FAIR project
  at GSI and upgraded CERN accelerator complex
  (PS, PS2 and SPS)
• CARE-sponsored CERN-GSI bilateral meeting end of
  March
• joint long-range beam-beam experiments at BNL
  RHIC common simulation effort at 5 laboratories
• CARE supported meeting organized by INFN on the
  use of crystals in HEP and particle accelerators
• numerous invited or contributed CARE-HHH
  presentations at several workshops conferences
  (RPIA2006, EPAC06, HB06, Channeling06)
• advances on detector-integrated dipoles or
  quadrupoles for an LHC upgrade, optics designs
  for a new LHC interaction-region, crab-cavity
  options, pulsed SC magnets, magnets for booster
  rings, optics of fast cycling injectors, beam
  instrumentation, and structured list of beam
  intensity limits
• extension of web-base code repository and support
  for code benchmarking (summer student) in the
  frame of WP3 (APD)
• launched experiment in the CERN-SPS H8 area to
  explore the possibility of crystal collimation,
  with the joint support of CARE and INTAS.

4
CARE-HHH activities in detail, March-June

• March 2006 Invited contributions to the
  RPIA2006 Workshop organized by KEK. F.
  Zimmermann discussed Possible Uses of Rapid
  Switching Devices and Induction RF for an LHC
  Upgrade and convened a working group on
  Assessment of the Wire Lens at LHC from the
  current Pulse Power Technology Point of View U.
  Dorda discussed Simulation of LHC Long-Range
  Beam-Beam Compensation with DC and Pulsed Wires
• CARE-HHH-APD mini-Workshop on Crystal
  Channeling, CERN, Geneva, Switzerland, 910 March
  2006.
• CARE-HHH-APD CERN-GSI bi-lateral working meeting
  on Collective EffectsCoordination of Theory and
  Experiments, GSI, Darmstadt, Germany, 3031 March
  2006.
• CARE-HHH-AMT Workshop on Accelerator Magnet
  Design and Optimization (WAMDO), CERN, Geneva,
  Switzerland, 36 April 2006
• April 2006 Hermann Schmickler took part in the
  US-LARP Collaboration Meeting, LBNL,  Berkeley,
  CA
• April 2006 Calculation of wake field for LHC
  electron-cloud clearing electrodes (design of P.
  McIntyre/Texas AM within CARE-HHH) by W. Bruns
• May/June 2006 Invited contributions to the ICFA
  HB2006 Workshop jointly organized by KEK JAEA.
  F. Zimmermann presented LHC Upgrade Options and
  CARE-HHH Activities and also Electron-Cloud
  Benchmarking CARE-HHH Codes

5
CARE-HHH activities in detail, June

• June 2006 Contributions to EPAC 2006 (Edinburgh,
  U.K.) Papers of
• W. Scandale, LHC Luminosity and Energy Upgrades
  invited overview of CARE-HHH
• E. Laface, R. Ostojic, W. Scandale, D. Tommasini,
  C. Santoni, Interaction Region with Slim
  Quadrupoles IR upgrade option
• R. de Maria, O.S. Brüning, P. Raimondi, LHC IR
  Upgrade A Dipole First Option with Local
  Chromaticity Correction IR upgrade option
• R. de Maria, O.S. Brüning, A Low Gradient Triplet
  Quadrupole Layout Compatible with NbTi Magnet
  Technology and Beta0.25m IR upgrade option
• J.-P. Koutchouk, Investigations of the Parameter
  Space for the LHC Luminosity Upgrade attempt at
  LHC upgrade parameter optimization
• J.-P. Koutchouk, G. Sterbini, An Early Beam
  Separation Scheme for the LHC IR upgrade
  option
• Faus-Golfe J. Resta-López, F. Zimmermann,
  Non-linear Collimation in Linear and Circular
  Colliders CERN-Valencia collaboration within
  CARE-HHH, invited presentation addressing a way
  to overcome the LHC intensity limitation
• J. Resta-López, R.W. Assmann, S. Redaelli, J.
  Resta-López, G. Robert-Demolaize, D. Schulte, F.
  Zimmermann, A. Faus-Golfe, An Alternative
  Nonlinear Collimation System for the LHC
  details on the previous scheme

6
CARE-HHH activities in detail, June-August

• June 2006 Further contributions to EPAC 2006
  (Edinburgh, U.K.) Papers of
• W. Fischer, R. Calaga, U. Dorda, J.-P. Koutchouk,
  F. Zimmermann, A.C. Kabel, J. Qiang,V.H.
  Ranjibar, T. Sen, J. Shi, Observation of the
  Long-range Beam-beam Effect in RHIC and Plans for
  Compensation collaboration of CARE-HHH with
  US-LARP
• F. Zimmermann et al, Accelerator Physics Code Web
  Repository activity triggered by CARE-HHH
  performed in large international collaboration
• E. Benedetto, G. Franchetti, G. Rumolo, F.
  Zimmermann, Resonance Trapping, Halo Formation
  and Incoherent Emittance Growth due to e- Cloud
  CERN-GSI collaboration within CARE-HHH
• T. Demma, S. Petracca, F. Ruggiero, G. Rumolo, F.
  Zimmermann, Maps for Electron Clouds Application
  to LHC collaboration of CERN and U. Sannio
  within CARE-HHH
• U. Iriso, G. Rumolo, Benchmarking Electron Cloud
  Data with Computer Simulation Codes related to
  CARE-HHH code benchmarking activity
• G. Rumolo, E. Métral, E.N. Shaposhnikova,
  Simulation Study on the Energy Dependence of the
  TMCI Threshold in the CERN-SPS exploring optimum
  energy of new synchrotrons

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CARE-HHH activities in detail, July-September

• JulyAugust06 Extension of web based code
  repository included in the CARE-HHH-APD work
  packages and support of code benchmarking
  activities (summer student C. Lapoire supervised
  by F. Zimmermann)
• July 2006 Publication of the proceedings of 2nd
  CARE-HHH-APD Workshop LHC-LUMI-05 as
  CARE-Conf-06-014-HHH
• July 2006 International Conference co-organized
  by CARE-HHH-APD on Charged and Neutral Particles
  Channeling Phenomena (Channeling 2006),Frascati,
  Italy. Invited presentation by W. Scandale on
  Perspectives for Crystal Collimation.
• July and August 2006 preparation of the
  CARE-HHH-APD Workshop on Towards a Roadmap for
  the Upgrade of the LHC and GSI Accelerator
  Complex (LHC-LUMI-06), IFIC, Valencia,
  16/10-20/10/2006 http//care-hhh.web.cern.ch/CA
  RE-HHH/LUMI-06
• July and August 2006 preparation of the
  CARE-HHH-AMT LER Workshop on the Low Energy
  Ring study, CERN 11/10-12/10/2006
  http//care-hhh.web.cern.ch/CARE-HHH/LUMI-06
• July and August 2006 1st and 2nd meeting of the
  LHC crab cavity study group (see minutes
  http//cern-ab-bblr.web.cern.ch/cern-ab-bblr/Crab-
  Cavity/crabcavity.htm ).
• Sept.2006 start preparation of CARE-HHH
  EUROTeV Mini-Workshop ECL2 Technological
  Solutions to e-Cloud Problem, CERN, February07

8

• Planning of Future CARE-HHH Workshops in 2006 - 1
  
• (1) CARE-HHH-APD Workshop on Towards a Roadmap
  for the Upgrade of the LHC and GSI Accelerator
  Complex (LHC-LUMI-06), IFIC, Valencia,
  16./10.-20.10/2006 http//care-hhh.web.cern.ch/CA
  RE-HHH/LUMI-06 .
• Topics
• Establish a forward looking baseline scenario
  for the LHC luminosity upgrade agree on and
  apply suitable criteria for the performance
  rating select optimum LHC bunch spacing and
  bunch spacing determine whether long bunches are
  a viable back-up option explore possibilities of
  detector integrated dipoles and quadrupoles
  discuss prospects for feedback in coast, crab
  cavities, collimation and machine protection at
  an LHC upgrade
• Scientific rating of alternative scenarios for
  the upgrade of the CERN accelerator complex and a
  review of the performance of FAIR synchrotrons,
  including lattice, RF, beam impedance,
  collimation, and losses for PS, PS2, SPS and
  SIS100/300 the workshop outcome will be a
  structured list of intensity limits, possible
  methods to overcome them, and a list of
  parameters for pulsed s.c. dipole magnets leading
  to a common RD programme at CERN and GSI.

9

• Planning of Future CARE-HHH Workshops in 2006 - 2
  
• (2) 4th CARE-HHH-ABI topical workshop, September
  28/29. 2006, in Luebeck
• Topics
• Specific beam instrumentation technology

10

• Planning of Future CARE-HHH Workshops in 2006 - 3
  
• (3) CARE-HHH-AMT Workshop on a Low Energy Ring
  (LER) in the LHC tunnel as main injector, CERN,
  11/10-12/10/2006 https//ler06.web.cern.ch/LER06/
  .
• Topics
• Explore general layout of LER and single out
  parts which may constitute a basic impediment to
  its viability provide a frame where the
  proponents of such an option can meet with
  experts of the CERN accelerator complex and
  establish a common understanding of the path
  ahead the workshop should try to give a
  recommendation in terms of feasibility and time
  scale of such a project

11

• Planning of Future CARE-HHH Workshops in 2007
• (4) CARE-HHH-APD EUROTEV-WP3 Joint
  Mini-Workshop on Technological Solutions to the
  Electron-Cloud Problem (ECL2), CERN, February
  2007
• Topics
• Explore electron cloud effects and technological
  consequences
• Instabilities and lifetime degradation for PS,
  PS2, SPS(), and LHC
• High and low-impedance clearing electrodes
• Clearing electrodes on enamel basis
• Getter coatings
• Other surface treatments

12
progress examples

• CARE-HHH web based code repository
• code benchmarking
• http//oraweb.cern.ch9000/pls/hhh/code_website.st
  artup

R.. Basset, C. Lapoire, F.Z., community
web site with LHC IR upgrade optics http//care-hh
h.web.cern.ch/care-hhh/SuperLHC_IRoptics/IRoptics.
html
R. Tomas et al
13
more progress examples
crab cavity design R. Calaga, R. Tomas
J. Tuckmantel
spoke crab cavity?
14
still more progress Flat Beam Optics

• Triplet beam screen orientation for H/V crossing

• In all cases, the average
• b-b separation is set to
• 9.5sx/y (for H/V crossing)

Effect of decreasing the beam aspect ratio at the
IP (and increasing the vert. X-angle)
can already push luminosity of nominal LHC by
10-20 ?HHH spin-off
Effect of increasing the beam aspect ratio at the
IP (and decreasing the vert. X-angle)

• Find optimum between beam-screen and beam aspect
  ratio

S. Fartoukh
15
documents, subtask status, milestones,
deliverables gantt tableson following slides
16
list of HHH documents issued in 2006
CARE document type and number Title Authors and Labs Date
1 CARE-Report-06-008-HHH Annual Report 2005 of the HHH Collaboration Editors F. Ruggiero, W. Scandale January 2006
2 CARE-Conf-06-010-HHH Non-linear Collimation in Linear and Circular Colliders A. Faus-Golfe, J. Resta-López /U. Valencia , F. Zimmermann / CERN June 2006
3 CARE-Conf-06-014-HHH Proceedings of the LHC-LUMI-05 Workshop Editors F. Ruggiero, W. Scandale, F. Zimmermann / CERN July 2006
4 CARE-Conf-06-020-HHH LHC Upgrade Options and CARE-HHH Activities F. Zimmermann / CERN June 2006
5 CARE-Conf-06-021-HHH Electron-Cloud Benchmarking and CARE-HHH Codes F. Zimmermann / CERN June 2006
6 CARE-Conf-06-022-HHH LHC Luminosity and Energy Upgrades W. Scandale / CERN June 2006
7 CARE-Conf-06-023-HHH Accelerator Physics Code Web Repository F. Zimmermann et al (many labs) June 2006
8 CARE-Conf-06-024-HHH Possible Uses of Rapid Switching Devices and Induction RF for an LHC Upgrade F. Zimmermann / CERN March 2006
9 CARE-Conf-06-025-HHH Assessment of the Wire Lens at LHC from the current Pulse Power Technology Point of View F. Zimmermann, U. Dorda et al (CERN, KEK, LLNL) March 2006
10 CARE-Conf-06-026-HHH Simulation of LHC Long-Range Beam-Beam Compensation with DC and Pulsed Wires U. Dorda, F. Zimmermann / CERN March 2006
11 CARE-Conf-06-027-HHH Simulation Study on the Energy Dependence of the TMCI Threshold in the CERN-SPS G. Rumolo, E. Métral, E.N. Shaposhnikova / CERN June 2006
12 CARE-Conf-06-028-HHH Benchmarking Electron Cloud Data with Computer Simulation Codes U. Iriso / CELLS, G. Rumolo / CERN June 0206
17
list of HHH documents issued in 2006 contd
CARE document type and number Title Authors and Labs Date
13 CARE-Conf-06-029-HHH Maps for Electron Clouds Application to LHC T. Demma, S. Petracca /U. Sannio, F. Ruggiero, G. Rumolo, F. Zimmermann (CERN) June 2006
14 CARE-Conf-06-030-HHH Observation of the Long-range Beam-beam Effect in RHIC and Plans for Compensation W. Fischer et al / US-LARP, FNAL, BNL, SLAC, LBNL, Kansas U., CERN June 2006
15 CARE-Conf-06-031-HHH Resonance Trapping, Halo Formation and Incoherent Emittance Growth due to Electron Cloud E. Benedetto / CERN P. Torino, G. Franchetti / GSI, G. Rumolo, F. Zimmermann / CERN June 2006
16 CARE-Conf-06-032-HHH An Alternative Nonlinear Collimation System for the LHC J. Resta Lopez et al / U. Valencia CERN June 2006
17 CARE-Conf-06-033-HHH An Early Beam Separation Scheme for the LHC J.-P. Koutchouk, G. Sterbini / CERN June 2006
18 CARE-Conf-06-034-HHH Investigations of the Parameter Space for the LHC Luminosity Upgrade J.-P. Koutchouk / CERN June 2006
19 CARE-Conf-06-035-HHH Interaction Region with Slim Quadrupoles E. Laface, R. Ostojic, W. Scandale, D. Tommasini, C. Santoni / CERN June 2006
20 CARE-Note-2006-013-HHH Main Outlines of the Workshop on Beam Generated Heat Deposition and Quench Levels for LHC Magnets R. Assmann et al. September 2006
21 CARE-Note-2006-014-HHH Use of HERA Magnets for the SPS-SLHC Transfer Lines Possible Upgrade of the LHC Injection Lines to 900 GeV using HERA Dipoles K.-H. Mess D. Smekens September 2006
22 LHC IR Upgrade A Dipole First Option with Local Chromaticity Correction, R. de Maria, O.S. Brüning, P. Raimondi, June 2006
23 A Low Gradient Triplet Quadrupole Layout Compatible with NbTi Magnet Technology Beta0.25m R. de Maria, O.S. Brüning, June 2006
18
Status of the lowest Sub tasks level in the WP
which are supposed to have started according to
the MS project breakdown in Annex 1
WBS Title Original begin date (Annex 1) Original end date (annex1) Estimated Status Revised end date
General MS annual HHH meeting
HHH coordination meeting (ID8) T4-2006 T4-2006 0 On time T4-2006
AMT Coordinate conductor development and tests T4-2005 T2-2007 16 Delayed to T4-2007
ID Proceedings of AMT mini-workshop on Beam Generated HeatMagnet Quench Level T4-2005 T1-2006 100 On time T1-2006
Web based database for SC Cables Magnets T3-2004 T4-2006 16 Delayed to T4-2007
MS specific meeting on database T2-2005 T2-2005 100 Delayed to T3-2006
ID first report on web based database T2-2005 T2-2005 85 Delayed to T4-2006
Catalogue of numerical codes for AMT14 T1-2004 T4-2005 40 Delayed to T4-2006
Comparison of codes for AMT1 and AMT4 T1-2004 T2-2004 40 Delayed to T4-2006
Identifications of main limiting issues T2-2004 T4-2004 40 Delayed to T4-2006
MS AMT workshop on Accelerator Magnet Design and Optimization (WAMDO) T2-2006 T2-2006 100 On time T2-2006
ID Proceedings of AMT WAMDO workshop T3-2006 T3-2006 50? Delayed to T4-2006
Comparison of different IR options (AMT4) and steering of LARP magnet developments T4-2005 T2-2007 39 Delayed to T4-2007
MS WS on Coil Manufacturing Optimization T1-2006 T1-2006 0 Suspended
Pulsed SC magnets for GSI and LHC injectors T4-2005 T2-2007 25 Delayed to T4-2007
ID Proc. AMT workshop ECOMAG-05 T1-2006 T1-2006 100 On time T1-2006
Comparative studies of alternatives using low field magnets for AMT2 and AMT3 T3-2004 T4-2004 60 Delayed to T4-2007
Scaling law for magnets and cryogenic cost T4-2004 T2-2006 0 Delayed to T2-2007
MS preliminary report on scaling law for magnets and cryogenic cost for AMT5 T2-2006 T2-2006 0 Delayed to T2-2007
19
Status of the lowest Sub tasks level in the WP
which are supposed to have started according to
the MS project breakdown in Annex 1
WBS Title Original begin date (Annex 1) Original end date (annex1) Estimated Status Revised end date
ABI Definition of possible new milestones T4-2005 T1-2006 100 On time T1-2006
ID proceedings of the third ABI workshop T1-2006 T1-2006 100 On time T1-2006
Contribution to US-LARP activities/events and possible synergy with HHH WP1-WP3 T1-2006 T3-2006 100 On time T3-2006
Study of further beam instrumentation challenges for LHC commissioningupgrade T1-2006 T3-2006 100 On time T3-2006
APD MS 2nd mini-WS on Crystal Collimation T4-2005 T1-2006 100 Delayed to T1-2006
ID Proceedings o LUMI-05 T1-2004 T2-2004 100 Delayed to T3-2006
Maintain beam dynamics codes repository T1-2005 T2-2006 100 On time T2-2006
Compare and further document benchmarked codes and alternative IR optics T1-2005 T2-2006 100 On time T2-2006
MS Creation of a web reference for alternative IR and synchrotron optics T2-2006 T2-2006 50 Delayed to T4-2006
Optics designs IR and booster synchrotrons T4-2005 T3-2006 50 Delayed to T4-2006
Impedance budget for booster synchrotrons T4-2005 T3-2006 10 Delayed to T1-2007
ID First structured list of intensity limits for booster synchrotrons and LHC T2-2006 T2-2006 60 Delayed to T4-2006
Beam dynamics studies and experiments to validate different options (APD1-2, APD6-7) T4-2004 T1-2006 100 On time T1-2006
Studies relevant to US-LARP events T4-2005 T2-2006 100 On time T2-2006
Roadmap for Synchrotron and IR designs T4-2005 T3-2006 80 On time T3-2006
Preparation of beam measurements for SPSLARP high intensity tests and LHC commissioning T2-2006 T2-2007 10 On time T2-2007
20
Status with respect to the interim reports and
deliverables to be done in 2006 according to MS
project breakdown
WBS Title Due date in Annex 1 Status Revised delivery date
General
8 MS annual HHH meeting T4-2006 0 T4-2006
WP1-AMT
15 ID Proceedings of AMT mini-workshop on Beam Generated Heat and Magnet Quench Level T2-2006 100 T1-2006
16 MS specific meeting on database T2-2005 100 T3-2006
17 ID first report on web based database T2-2005 85 T4-2006
19 MS AMT workshop on Accelerator Magnet Design and Optimization (WAMDO) T2-2006 100 T2-2006
20 ID Proceedings of AMT WAMDO workshop T3-2006 100 T3-2006
22 MS AMT workshop on Coil Manufacturing Optimization T1-2006 0 Suspended
25 ID Proceedings of the AMT workshop ECOMAG-05 T1-2006 100 T1-2006
27 MS Possible AMT workshop on HF and LF magnets T3-2006 0 T4-2006
29 MS preliminary report on scaling law for magnets and cryogenic cost for AMT5 T2-2006 0 T2-2007
30 ID Interim report on AMT activities and reporting at the general CARE meeting T4-2006 0 T4-2006
WP2-ABI
35 ID Proceedings of the 3rd ABI topical workshop T1-2006 100 T1-2006
21
Status with respect to the interim reports and
deliverables to be done in 2006 according to MS
project breakdown
WBS Title Due date in Annex 1 Status Revised delivery date
W3-APD
45 MS 2nd APD mini-workshop on Crystal Collimation T1-2005 100 T1-2005
46 ID Proceedings of the 2nd APD topical workshop (LUMI-05) T2-2004 100 T3-2006
49 MS Creation of a web reference for alternative IR and synchrotron optics T2-2006 50 T4-2006
52 ID First structured list of intensity limits for booster synchrotrons and LHC T2-2006 60 T4-2006
56 MS 3rd APD topical workshop on Fast Synchrotrons and IR design T4-2006 0 T4-2006
57 ID Proceedings of the 3rd APD topical workshop T4-2006 0 T4-2006
58 ID Interim report on APD activities and reporting at the general CARE meeting T4-2006 0 T4-2006
22
Gantt table of the HHH Network progress in 2006
and expected progress in 2007
23
Gantt table of the HHH Network progress in 2006
and expected progress in 2007
24
HHH highlight on crystal collimation -
yesterdays result!
25
crystal channeling reflection demonstrated in
SPS H8 -12.09.2006! technology and experiment
prepared with CARE support
Si-strip detector 65 m behind crystal 10-mrad
reflection over 1 mm distance ? 20000 T
field! gt99 efficiency
unperturbed or scattered
reflected
channeled
26
conclusions

• HHH work internationally recognized
• HHH gained initiative in many areas and launched
  several novel activities at the forefront of
  accelerator RD
• HHH results benefit full accelerator community
• CARE-HHH is high-return investment for Europe
• workshops in fall06 winter 07 will be exciting