joão bento be department presentation available at welcome to cern “magic is not happening at...
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João BENTOBE Department
Presentation available at http://cern.ch/jbe/CERN/visits
Welcome to CERN“Magic is not happening at CERN, magic is being explained at CERN.”
Tom Hanks
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Your visit at CERNAgenda
• 30 minutes presentation• 10 minutes movie• Visit of 1 or 2 itineraries for 2 hours
Other practical informations
• Do not hesitate to ask questions• You can take pictures and shoot film everywhere• Microcosm freely accessible from 9am till 5pm (downstairs)• CERN Shop from 11am till 5pm (hall)• Lavatories nearby the Microcosm entrance
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Let’s start with a presentation
•What?•Why?•How?•So what?
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What?
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European
Council for
Nuclear
Research
Conseil
Européen pour la
Recherche
Nucléaire
European
Organization for
Nuclear
Research
Organisation
Européenne pour la
Recherche
Nucléaire
What means « »?CERNCERN 19521954
European Laboratoryfor Particle Physics
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The largest particle physics lab in the world
Twenty Member StatesAustria, Belgium, Bulgaria, Czech Republic, Denmark, Finland, France, Germany, Greece, Italy, Hungary, Netherlands, Norway, Poland,Portugal, Slovakia, Spain, Sweden, Switzerland, United Kingdom
Annual budgetin 2007982 MCHF (610 MEUR)
External fundingfor experiments
Eight Observer StatesEuropean Commission, USA, Russian Federation,
India, Israel, Japan, Turkey, UNESCO
People2415 Staff730 Fellows and
associates200 Students9133 Users2000 External Firm
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Why?
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Do fundamental research
By answering questions like the structure of matter…
4th - 5th
centuryBC
End of
19th
century
Beginning of
20th
century1960s
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Checking existing theories: the standard modelLEPTONS QUARKS
ORDINARYMATTER
GLUONS
Strong Force
PHOTONS
Electro-Magnetic Force
BOSONS
Weak Force
GRAVITONS
Gravity
Images: www.particlezoo.net
ELECTRONELECTRONNEUTRINO
MUONMUONNEUTRINO
TAUTAUNEUTRINO
UP DOWN
CHARM STRANGE
TOP BOTTOM
4forces
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Answering fundamental questions…• How explain particules have a mass?
Newton could not explain, neither can we…
• What is 96% of the Universe made of ?We can only see 4%of its estimated mass!
• Why isn’t there antimatterin the Universe?Nature should be symetric…
• What was the state of matter justafter the « Big Bang » ?Travelling back to the earliest nstants of the Universe would help…
HiggsBoson
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Bringing nations together and educate• Biggest international scientific
collaboration
• Various students programmes
• Over 100 countries
• Hundreds of physics institutes
• Half of the world’s particle physicists
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How?
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By accelerating and colliding objects…
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At incredible levels of energy!
E=mc2
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CERN’s accelerators chain
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The largest particle accelerators17 miles (27km)long tunnel
Thousands of superconducting magnets
Ultra vacuum:10x emptierthan on the Moon
Coldest placein the Universe: -271° C
In safe conditions!
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The biggest and most sophisticated detectors
17
Cathedrals of science100m underground
600 million collisionsper second detectedby hundreds ofmillion sensors
Thousands of collaboratorsfor each detector
In safe conditions!
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The most extensive scientific computing grid
15 Petabytes(15 millions of GB)of data every year
100’000 processors
200 computer centres around the planet
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So what?
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Practical applications: the World Wide WebWas developed in the frame of the LHC project in 1989!
Freely given to the World!
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Practical applications: cancer treatmentFor both detection and cure of cancers
PET Scans
Hadron Therapy
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Practical applications: detectorsScanning trucks in less than one hour without unloading them!
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Practicalapplications:using the Grid
Ultra high-speed processingof satellite imagery in thecase of natural disasters
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And of course… some Nobel prizes!
George Charpak
“for his invention and development of particle detectors, in particular the multiwire proportional chamber”
Carlo Rubbia(with Simon van der Meer)
“for their decisive contributions to the large project, which led to the discovery of the field particles W and Z, communicators of weak interaction”
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What’s new?
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LHC is back since November 2009!
• 18 to 24 months at 3.5 TeV as from mid-Feb 2010 • Then long maintenance phase• 7.5 Tev exploitation in 2012?
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Conclusion
• Fundamental research laboratory• World’s biggest international scientific collaboration• Pushing technology to its limits• Multiple practical applications
Visit our websites:Informations: www.cern.chCERN TV: www.youtube.com/cernRecruitment: www.cern.ch/jobs
Thank you!