michael benedikt cern march 23 rd, 2015 study overview & status
TRANSCRIPT
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Michae l Bened ik t
CERN
March 23 r d , 2015
Study Overview & Status
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Topics
• Motivation, Goal and Scope• Parameters, Technologies• EuroCirCol• Study Organisation• Outlook
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Motivation• European Strategy for Particle Physics 2013:
“…to propose an ambitious post-LHC accelerator project….., CERN should undertake design studies for accelerator projects in a global context,…with emphasis on proton-proton and electron-positron high-energy frontier machines..…”
• US P5 recommendation 2014:”….A very high-energy proton-proton collider is the most powerful tool for direct discovery of new particles and interactions under any scenario of physics results that can be acquired in the P5 time window….”
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Goal of FCC Study
• Conceptual Design Report• By end 2018• In time for nextEuropean Strategy Update
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Scope: Accelerator & InfrastructureFCC-hh: 100 TeV pp collider as long-term goal
defines infrastructure needsFCC-ee: e+e- collider, potential intermediate stepFCC-he: integration aspects of pe collisions
Tunnel infrastructure in Geneva area, linked to CERN accelerator complexSite-specific, requested by European strategy
Push key technologies in dedicated R&D programmes e.g.16 Tesla magnets for 100 TeV pp in 100 kmSRF technologies and RF power sources
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Scope: Physics & Experiments
Elaborate and document- Physics opportunities- Discovery potentials
Experiment concepts for hh, ee and heMachine Detector Interface studiesConcepts for worldwide data services
Overall cost modelCost scenarios for collider optionsIncluding infrastructure and injectorsImplementation and governance models
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CERN Circular Colliders + FCC
Constr. Physics LEP
Construction PhysicsProtoDesign LHC
Construction PhysicsDesign HL-LHC
PhysicsConstructionProtoDesignFuture Collider
1980 1985 1990 1995 2000 2005 2010 2015 2020 2025 2030 2035
20 years
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Study time line towards CDR2014 2015 2016 2017 2018
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
Explore options“weak interaction”
Report
Study plan, scope definition
FCC Week 2018 contents of CDR
CDR ready
FCC Week 2015: work towards baseline
conceptual study of baseline “strong interact.”
FCC Week 17 & ReviewCost model, LHC results study re-scoping?
Elaboration,consolidation
FCC Week 2016Progress review
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Focus on Study-Phase 22014 2015 2016 2017 2018
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
CDR ready
FCC Week 2015: work towards baseline
conceptual study of baseline “strong interact.”
FCC Week 2016Progress review
• Converge on solid and agreed baseline scenarios• Launch technology R&D at international level• Assure coherence between study branches
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Key Parameters FCC-hhParameter FCC-hh LHC
Energy [TeV] 100 c.m. 14 c.m.
Dipole field [T] 16 8.33
# IP 2 main, +2 4
Luminosity/IPmain [cm-2s-1] 5 - 25 x 1034 1 x 1034
Stored energy/beam [GJ] 8.4 0.39
Synchrotron rad. [W/m/aperture] 28.4 0.17
Bunch spacing [ns] 25 (5) 25
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• Two parameter sets for two operation phases:
• Phase 1 (baseline): 5 x 1034 cm-2s-1 (peak),250 fb-1/year (averaged) 2500 fb-1 within 10 years (~HL LHC total luminosity)
• Phase 2 (ultimate): ~2.5 x 1035 cm-2s-1 (peak),1000 fb-1/year (averaged)
15,000 fb-1 within 15 years
FCC-hh Luminosity Goals
• Yielding total luminosity O(20,000) fb-1 over ~25 years of operation
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phase 1: b*=1.1 m, DQtot=0.01, tta=5 h
phase 2: b*=0.3 m, DQtot=0.03, tta=4 h
for both phases:
beam current 0.5 A unchanged!
total synchrotron radiation power ~5 MW.
radiation damping: t~1 h
FCC-hh luminosity evolution 24 h
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phase 1: b*=1.1 m, DQtot=0.01, tta=5 h phase 2: b*=0.3 m, DQtot=0.03, tta=4 h
FCC-hh Integrated Luminosity/day
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Key Parameters FCC-eeParameter FCC-ee LEP2
Energy/beam [GeV] 45 120 175 105
Bunches/beam 13000- 60000
500- 1400
51- 98 4
Beam current [mA] 1450 30 6.6 3
Luminosity/IP x 1034 cm-2s-1 21 - 280 5 - 11 1.5 - 2.6 0.0012
Energy loss/turn [GeV] 0.03 1.67 7.55 3.34
Synchrotron Power [MW] 100 22
RF Voltage [GV] 0.3-2.5 3.6-5.5 11 3.5
Dependency: crab-waist vs. baseline optics and 2 vs. 4 IPs
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FCC-ee: Luminosity vs. Energy
50 100 150 200 250 300 350 4001
10
100
1000
c.m. energy [GeV]
tota
l lu
min
osi
ty [1
03
4 c
m-2
s-1
]
Z W H tt
Baseline 2 IPBaseline 4 IP
Crab waist 2 IP
Crab waist 4 IP
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Geology Studies – Example 93 km
• 90 – 100 km fits geological situation well,better than a smaller ring size
• LHC suitable as potential injector
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Push Technologies
?WHY
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Scale Up versus Scale Out
S u s t a i n a b i l i t y A v a i l a b i l i t y
• Scale-out of available technologies without advancement leads to unsustainable and inadequate performance
• Mandatory to use large projects to develop new technologies
Cost effective operation:Personnel and material resourcesEnergy efficiency
Number of subsystems requires breakthrough in reliability, availability
Diversify technology sources to control riskEconomic return to society is mandatory
E c o n o m y
Innovation Mining
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Key Technology R&D - HFM
• Increase critical current density• Obtain high quantities atrequired quality
• Material Processing• Reduce cost
• Develop 16T short models• Field quality and aperture• Optimum coil geometry• Manufacturing aspects• Cost optimisation
C o n d u c t o r R & D
Nb3Sn
M a g n e t D e s i g n
16 T
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Key Technology R&D - RF
• Cavity R&D for large , high gradient, acceptable cryo power
• Multilayer additive manufacturing combining Cu and LTS materials
• High quality over large surfaces
• Push Klystrons far beyond 70% efficiency
• Increase power range ofsolid-state amplifiers
• High reliability for high multiplicity
Superconducting RF
BeyondNb
P o w e r C o n v e r s i o n
Efficiency
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A key to New Physics
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EuroCirCol EU Horizon 2020 Grant
• Core aspects of hadron collider design: arc & IR optics design• Feasibility study of key technologies: 16 T
magnet program, cryogenic beam vacuum system
EC contributes with funding to FCC-hh study
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Evaluation Results
1 5 / 1 5
Q u o t e s
• Science is excellent• Project is ambitious andshows innovation potential
• Objectives are clear andapproach is credible
• Will have impact on other disciplines and industry
• Key element of European Strategy on Particle Physics
Recognition of FCC Study by European Commission
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EuroCirCol Consortium + Associates
J a p a nK E K
F i n l a n dT U T
F r a n c eC E A , C N R S
I t a l yI N F N
G e r m a n yK I T , T U D
S w i t z e r l a n dE P F L , U N I G E
N e t h e r l a n d sU T
S p a i nA L B A , C I E M A T
C E R N
U n i t e d K i n g d o mS T F C , U N I L I V , U O X F
CERN IEIOTUT FinlandCEA France
CNRS France
KIT GermanyTUD GermanyINFN ItalyUT Netherlands
ALBA Spain
CIEMAT Spain
STFC United KingdomUNILIV United KingdomUOXF United Kingdom
KEK Japan
EPFL SwitzerlandUNIGE SwitzerlandNHFML-FSU USABNL USAFNAL USALBNL USA
Consortium Beneficiaries, signing the Grant Agreement
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Study Setup
• Carried out by global collaboration
• Universities, laboratories & industry worldwide
• Hosted by CERN
GeographicallyBalanced
Worldwide
TopicallyComplementary
Excellence
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The FCC Collaboration
• A consortium of partners based on a
Memorandum Of Understanding (MoU)
• Working together on a
best effort basis
• Self governed
• Incremental & open to
academia and industry
• Specific contributions
detailed in Addendum
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Collaboration Status• 51 institutes• 19 countries• EC participation
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ALBA/CELLS, Spain
Ankara U., Turkey
U Bern, Switzerland
BINP, Russia
CASE (SUNY/BNL), USA
CBPF, Brazil
CEA Grenoble, France
CEA Saclay, France
CIEMAT, Spain
CNRS, France
Cockcroft Institute, UK
U Colima, Mexico
CSIC/IFIC, Spain
TU Darmstadt, Germany
DESY, Germany
TU Dresden, Germany
Duke U, USA
EPFL, Switzerland
GWNU, Korea
U Geneva, Switzerland
Goethe U Frankfurt, Germany
GSI, Germany
Hellenic Open U, Greece
HEPHY, Austria
IFJ PAN Krakow, Poland
INFN, Italy
INP Minsk, Belarus
U Iowa, USA
IPM, Iran
UC Irvine, USA
Istanbul Aydin U., Turkey
JAI/Oxford, UK
JINR Dubna, Russia
FZ Jülich, Germany
KAIST, Korea
KEK, Japan
KIAS, Korea
King’s College London, UK
KIT Karlsruhe, Germany
Korea U Sejong, Korea
MEPhI, Russia
MIT, USA
NBI, Denmark
Northern Illinois U., USA
NC PHEP Minsk, Belarus
U. Liverpool, UK
PSI, Switzerland
Sapienza/Roma, Italy
UC Santa Barbara, USA
U Silesia, Poland
TU Tampere, Finland
51 FCC collaboration members & CERN as host institute,
22 March 2015
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Study Coordination Group
A. Ball, F. Gianotti , M. Mangano
Hadron ColliderPhysics &
Experiments
A. Blondel,J. Ellis, C. Grojean,
P. Janot
Lepton ColliderPhysics &
Experiments
M. Klein,O. Bruning
ep Physics, Experiment, IP
Integration
B. Goddard
Hadron Injectors
D. Schulte,M. Syphers
Hadron Collider
Y. Papaphilippou
Lepton Injectors
F. Zimmermann,J. Wenninger,U. Wienands
Lepton Collider
L. Bottura,E. Jensen, L. Tavian
Accelerator Technologies R&D
P. Lebrun,P. Collier
Infrastructures & Operation
P. Lebrun,F. Sonnemann
Costing &Planning
JM. Jimenez
SpecialTechnologies
Further enlargement of coordination group and study teams with international partners
M. BenediktF. Zimmermann
Study Lead
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Information Management in FCChttp://cern.ch/fcc
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Documents and Publications
Study internal
CERN EDMS• Notes, drawings, slides, minutes
• Source files of scientific papers
• http://cern.ch/fcc-edms
Public documents
CERN CDS• PDF of scientific papers,
public slides, official reports, videos
• http://cern.ch/cds > R&D and Studies
> Future Circular Collider Documents
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Collaborative Work Platform
Meetings• Structure in CERN Indico• http://cern.ch/fcc-meetings
Collaboration Tools• Institutes and work breakdown overview• Growing platform for information exchange• http://cern.ch/fcc/collaboration
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Access to Collaboration ServicesCollaboration members can subscribe to one of the following e-groups to gain access to IT services at http://cern.ch/egroups
E-group Name:
fcc-collider-hadron
fcc-collider-lepton
fcc-experiments-hadron
fcc-experiments-lepton
fcc-infrastructures
fcc-injectors-hadron
fcc-injectors-lepton
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Outlook 2015
• Freeze baselines parameters and concepts• Colliders, injectors and infrastructures
• Put Nb3Sn/16 T magnet program on solid feet
• Define and launch selected
technology R&D programmes
• Reinforce physics and detector simulations
• Pursue MDI and experiment studies
• Further enlarge our global FCC collaboration
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This 1st FCC Week should
• Stimulate exchange between participants of all study areas
• Strengthen the collaboration network
• create fruitful discussionstowards our common goal
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Have a Great Week!