Particle Physics at the CERN Large Hadron Collider

Particle Physics at the CERN Large Hadron Collider Experimental Particle Physics Group University of Arizona

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Our Lab - LHC Ø CERN is located outside Geneva, Switzerland Ø The ring circumference is 18 miles Ø The energy of the LHC is now 8 Te. V = 4 Te. V + 4 Te. V

Our Lab - LHC French Alps Lake Geneva The experiments are located 100 m underground French Jura Mts 4

Our Lab - LHC

Our Detector - ATLAS

Our Detector - ATLAS ØFills half a football stadium

Our Experiment – pp Collisions

U. Of Arizona’s Role Physicists Forward Muon (CSC) Electronics Massive Forward Radiation Shield (~700 Metric Tons) Integrated Forward Calorimeters

ATLAS Forward Calorimeter by UA ØDesign and construction

ATLAS CSC (Electronics) by UA 11

Radiation Shield Design by UA ØSimulating and designing shielding to protect detectors and electronics

Preparing for the Future of ATLAS at UA ØElectronics for Micromegas detectors and Liquid Argon calorimeter readout

What Role Does UA Play? ØPhysics and monitoring the ATLAS experiment

Physics at UA ØSearching for extra spatial dimensions ØSearching for quark substructure ØSearching for supersymmetry

Physics at UA ØSearching for extra spatial dimensions

Physics at UA ØSearching for quark substructure ? Is there yet another layer?

LHC Physics at UA ØSearching for supersymmetry escapes detection missing ET

Space, the Final Frontier - LSST Expand this x 5 x 105 EVERY night

Conclusions ØThe experimental particle physics group n n n Is pursuing exciting frontier physics @ CERN Is hyper-active Is engaged in next gen electronics R&D Is cohesive and supportive Is establishing an experimental astrophysics program using the LSST telescope Is looking for a few good students to continue our successes

What is the Higgs Boson and Have We Discovered It Yet?

Hot Off the Press Results Ø We definitely know where the Higgs is NOT hiding Ø And we have a hint (only) as to where it may be found