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##### Introduction to Particle Physics

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**Introduction to Particle Physics**Course overview Jørgen Beck Hansen Autumn 2006**About me**• 9 years research fellow and staff at CERN, Switzerland • Worked on Large-Electron-Positron (LEP) and Large-Hadron-Collider(LHC) • Started as research associate professor @ the NBI Particle Physics group (HEP) this year • Office: Blegdamsvej 21 (building M) mc-8 • Email: Beck@nbi.dk**Course synopsis**• Basic concepts • Leptons, quarks and hadrons • Experimental methods • Space-Time Symmetries • Hadrons: quantum numbers and excited states • Hadrons: quark states and colour • QCD, jets and gluons • Weak interactions: W and Z bosons • Weak interactions: electroweak unification • Weak interactions: charge conjugation and parity • Beyond the standard model Crash course: ~200 pages in 7 weeks**Practicalities**• Litterature: B.R. Martin & G. Shaw, ”Particle Physics”(2nd edition), 1997, publ. John Wiley & Sons Ltd • Strongly recommended to look at the course web-page • Lots of additional information • Points to several GOOD introductionary sites Painless Particle Physics: ParticleAdventure.org • Credits to former teacher: Mogens Dam for slides etc. • Non-trivial timetable since both Jens-Jørgen Gårdhøje and I have to travel during the course**Where to go from here?**• This course give you the first peak into the wonderful world of particle physics • Explain you how to “navigate and swim” in the shallow end of the pool • Particle physics ”fag-pakke”: • Theory: General reletivity – Poul Olesen • Theory: Particle physics – Poul Henrik Damgaard • Experiment: Experimental methods – Peter Hansen • Experiment: High Pt physics at the frontier -- JBH Teach you to swim in deep unknown waters**CERN Summer Student Programme**• A unique opportunity to enjoy a summer in Switzerland, learning bleeding-edge science and technology and meeting new friends from all over the world • •Google “CERN Summer Student”, or go directly to http://humanresources.web.cern.ch/HumanResources/external/recruitment/Students/students.asp • 2-3 months of training at CERN: work in a research group, lectures, student sessions, visits to experiments, workshops,…**Particle Physics in a nutshell?**+ • Formalism is 4-vectors (“kinematics”) • Physics content is quantum mechanics • Plus a big bag of new particles and concepts Special relativity Quantum mechanics APPLIED special relativity and quantum mechanics**The MAGIC key**• Natures deepest secret (and we cannot directly see deeper) • Gives us quantum mechanics and string theory • Add the “de Broglie” relation: l = h/p • Re-define units: h=c=1 The intuitive understanding of particle physics and its numerical mechanics