the large hadron collider. yuri gershtein, eva halkiadakis, mohan kalekar, amit lath, steve...
TRANSCRIPT
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The Large Hadron Collider The Large Hadron Collider
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Yuri Gershtein, Eva Halkiadakis, Mohan Kalekar, Amit Lath, Steve Schnetzer, Sunil Somalwar
+ students and postdocs
Tom Banks, David Shih, Matt Strassler, Scott Thomas, …
+ students and postdocs
High Energy LHC Physics
Collider Experiment:
Collider Theory:
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High Energy LHC Physics
Rutgers has a Unique Strength among US institutions in the close collaboration between Experimental and Theoretical High Energy Physics Groups
The High Energy Experimental Group has extensive experience in Instrumentation and New Physics searches at the Fermilab Tevatron Collider, and is highly regarded within the field
The High Energy Theory Group is already one of the leading Centers for LHC phenomenology
On Our Current Trajectory the combined LHC effort at Rutgers can be at least comparable to that at Berkeley, Stanford, and Princeton, and better than the programs at Harvard, Caltech, Chicago, Yale, and Penn
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High Energy LHC Physics
Collider Physics Funding:
1.2 M/yr NSF + DOE
Students/Postdoc/Faculty Placement -> Faculty:
Berkeley (Kachru, Luk, Horava) Stanford (Silverstein, Shenker) Harvard (Motl) Institute for Advanced Study (Seiberg, Maldacena) Columbia (Kabat) Rutgers (Halkiadakis) Fermilab (Flaugher, Sexton) Florida State (Askew) San Diego (Intriligator) Northwestern (Anastassov) Simons Center - Stony Brook (Douglas)Utah (Bergman) Karlsruh (Ratnikov)
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Large Hadron Collider Largest Scientific Experiment in History
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Large Hadron Collider
1232 Super Conducting Dipole Magnets
½ nanogram in Beam –
Kinetic Energy of 100,000 Ton . Aircraft Carrier at Cruising Speed
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Proton-Proton Collisions at 14 Trillion Electron Volts
Probe Energies Equivalent to 10-12 second After Big Bang
The Physics of the Higgs Sector Responsible for ***
the Origin of Mass will Become Manifest
Possible - Uncover new Symmetries and Forces of Nature,
Produce new Particles, Unlock Quantum Dimensions,
Produce and Measure Properties of Dark Matter Particles,
Discover the Origin of Cosmological Matter-Antimatter Asymmetry
Fundamental Physics - Poised to Enter a New Era of Discovery !!!
Begin Operations November 2009
Large Hadron Collider
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CMS Detector
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CMS Detector
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Length: ~45 m Diameter: ~24 m Weight: ~7000 tonsMagnetic Field: 2 Tesla
Atlas Detector
Graduate Student
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Atlas Detector
» 3000 Collaborators
per Experiment
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Atlas Toroid Superconducting Magnet
B = 4.6 T Volume = 12000 m3 Magnetic Energy = 1,050,000,000 J
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13
Atlas Muon Planes
Muon Plane Area = . 250 Football Fields
1,100,000 Channels
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LHC Physics Analysis in Preparation at Rutgers
Signature Based Searches – Correlations
Long Lived Particles
Photons
Supersymmetry
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Rutgers Signature Based Searches
Multi-Jets j j j
j j j
pp QQ
Special Ensemble of Jet Triplets Within 6-Jet events
Improve S/B by 104
QCD Background
QQ Signal
Top Quark, Di- Tri- Leptons, CMS SUSY Group – Leptons + MET , ….
Huge Backgrounds
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Rutgers - Long Lived Particle –
Displaced Vertex Triggers
Hidden Valley Models
Both Atlas and CMS Collaborations Determined to Fully Exploit Capabilities of Detectors
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Rutgers Di-Photon New Physics Search: h !
Low Mass Standard Model Higgs Boson Will Take a . Few Years to Discover
New Physics Can Drastically Change Higgs Branching Ratios
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Rutgers Supersymmetry Signature Searches
Depend on Ordering in Superpartner Mass Spectrum … . (Too Many to Search All Individually)
• Scatter Particles Into Supersymmetric . Quantum Dimensions of Space-Time • Discover Superparticles
• Measure, Couplings, Spin, and Masses
• Produce Dark Matter