HEP101_Lecture2

HEP101_Lecture2 - The ATLAS Experiment and the CERN Large...

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1 A. T. Goshaw Duke University HEP101 - 2 April 5, 2010 The ATLAS Experiment and the CERN Large Hadron Collider
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HEP 101 Plan • March 29: Introduction and basic HEP terminology • March 30: Special LHC event: first high-energy p+p collisions. Live video broadcasts in physics lobby and in this room. DONE The LHC is now operating with 7 TeV pp collisions! • April 5: relativistic mechanics and applications to HEP • ?? : particle detectors • ?? : analysis tools used in HEP research • ?? : some short term research goals and projects 2
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3 p + p collision at a CM energy of 7 TeV View of collision with charged particle trajectories constructed in tracking chambers.
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4 p + p collision at a CM energy of 7 TeV Isometric view of detector projection showing a collision producing energetic “jets”.
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5 Now to the HEP101 questions for today’s discussion 1. How many fundamental forces have been observed? 2. How many elementary particles? 3. What are: fermions, bosons, hadrons, baryons, mesons, leptons, quarks and WIMPS? 4. What fundamental constants are needed to specify the structure of relativistic mechanics and quantum mechanics? 5. What are the fundamental conservation laws of Nature? 6. What is the Standard Model? What forces does it describe? Are all its basic components observed? 7. Why are high energy accelerators needed to test the Standard Model and other elementary particle theories?
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6. What is the Standard Model? What forces does it describe? Are all its basic components observed? observed.
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This document was uploaded on 10/20/2011.

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HEP101_Lecture2 - The ATLAS Experiment and the CERN Large...

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