Transcription of Particle Physics - Lecture Notes
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Particle Physics - Lecture Notes
Oxana Smirnova Particle Physics Department2001 Spring SemesterLund University Particle Physicsexperimental insighte+e- W+W- qqOxana SmirnovaLund University2 Basic conceptsParticle PhysicsI. Basic concepts Particle Physics studies the elementary building blocks of matter and interactions between them. Matter consists of particles and fields. particles interact via forces caused by fields. Forces are being carried by specific particles , called gauge [ gejdz] of nature:1) gravitational2) weak3) electromagnetic4) strongBasic conceptsParticle PhysicsOxana SmirnovaLund University 3 Forces of natureNameActs on:CarrierRangeStrengthStable systemsInduced reactionGravityall particlesgravitonlong Solar system Object fallingWeak forcefermionsbosons W and Z< mNone-decayElectromagnetismparticles with electric chargephotonlongAtoms, stonesChemical reactionsStrong forcequarks and gluonsgluonsmHadrons, nucleiNuclear reactionsF1r2 1039 1017 105 F1r2 1137 1015 1 Oxana SmirnovaLund University4 Basic conceptsParticle PhysicsThe Standard Model Electromagnetic and weak forces can be described by a single th
Oxana Smirnova Lund University 2 Basic concepts Particle Physics I. Basic concepts Particle physics studie s the elementary “building blocks” of matter and interactions between them. Matter consists of particles and fields. Particles interact via forces caused by fields. Forces are being carried by …
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