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Frank Zimmermann, HHH 2 nd quarter 2006 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, EPAC’06, HB’06, Channeling’06) 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.
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CARE-HHH progress 2nd quarter 2006
Francesco Ruggiero, Walter Scandale, Frank Zimmermann (substituting for F.R.)
High EnergyHigh IntensityHadron Beams
Supported by the European Community-Research Infrastructure Activity under the FP6 “Structuring the European Research Area” programme
(CARE, contract number RII3-CT-2003-506395).
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/
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, EPAC’06, HB’06, Channeling’06) 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.
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, 9–10 March 2006. CARE-HHH-APD CERN-GSI bi-lateral working meeting on Collective Effects–Coordination of Theory and Experiments, GSI, Darmstadt, Germany, 30–31 March 2006. CARE-HHH-AMT Workshop on Accelerator Magnet Design and Optimization (WAMDO), CERN, Geneva, Switzerland, 3–6 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 A&M 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
CARE-HHH activities in detail, March-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 Beta*=0.25m [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];
CARE-HHH activities in detail, June
June 2006: Further contributions to EPAC 2006 (Edinburgh, U.K.): Papers ofW. 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]
CARE-HHH activities in detail, June-August
July&August’06: 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-HHHJuly 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/CARE-HHH/LUMI-06July 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-06July 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, February’07
CARE-HHH activities in detail, July-September
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/CARE-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 R&D programme at CERN and GSI.
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
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
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
CARE-HHH web based code repository & code benchmarking
http://oraweb.cern.ch:9000/pls/hhh/code_website.startup
web site with LHC IR upgrade opticshttp://care-hhh.web.cern.ch/care-hhh/
SuperLHC_IRoptics/IRoptics.html
progress examples
R. Tomas et al
R.. Basset, C. Lapoire,F.Z., + community
more progress examples crab cavity designR. Calaga, R. Tomas
J. Tuckmantel
spoke crabcavity?
still more progress: Flat Beam Optics Triplet beam screen orientation for H/V crossing
Effect of decreasing thebeam aspect ratio at the IP(and increasing the vert. X-angle)
Effect of increasing thebeam aspect ratio at the IP(and decreasing the vert. X-angle)
In all cases, the average b-b separation is set to 9.5*x/y (for H/V crossing)
Find optimum between beam-screen and beam aspect ratioS. Fartoukh
can already push luminosity ofnominal LHC by 10-20%↔HHH spin-off
documents, subtask status, milestones, deliverables
& gantt tables
on following slides
# 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.
ScandaleJanuary
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
list of HHH documents issued in 2006
# CARE document type and number Title Authors and Labs Date
13 CARE-Conf-06-029-HHH Maps for Electron Clouds: Application to LHCT. 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
23A Low Gradient Triplet Quadrupole Layout Compatible with NbTi Magnet Technology & Beta*=0.25m
R. de Maria, O.S. Brüning, June 2006
list of HHH documents issued in 2006 cont’d
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 Heat&Magnet 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 AMT1&4 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
: 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 commissioning+upgrade 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 SPS+LARP high intensity tests and LHC commissioning
T2-2006 T2-2007 10% On time: T2-2007
: 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 Due date in Annex 1 Status Revised delivery date
General
8 MS: annual HHH meeting T4-2006 0% T4-2006
WP1-AMT
15ID: 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
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
Status with respect to the interim reports and deliverables to be done in 2006 according to MS project breakdown
Gantt table of the HHH Network progress in 2006 and expected progress in 2007
Gantt table of the HHH Network progress in 2006 and expected progress in 2007
HHH highlight on crystal collimation- yesterday’s result!
crystal channeling & reflection demonstrated in SPS H8 -12.09.2006! technology and experiment prepared with CARE support
Si-strip detector65 m behindcrystal
10-rad reflectionover 1 m distance ↔20000 T field!
>99% efficiency
channeledreflected
unperturbedor scattered
conclusions• HHH work internationally recognized• HHH gained initiative in many areas and
launched several novel activities at the forefront of accelerator R&D
• HHH results benefit full accelerator community
• CARE-HHH is “high-return investment for Europe”
• workshops in fall’06 & winter ‘07 will be exciting
