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Particle Collisions on Quark and Gluon level

Particle Collisions on Quark and Gluon level. Erik Johansson Stockholm University IPPOG Innsbruck 2012. QUARK AND GLUON COLLISIONS. Dynamics Gluon exchange Gluon fusion Quark-antiquark annihilation Quark and gluon interactions 4 jets – hadronisation Higgs particle production

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Particle Collisions on Quark and Gluon level

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  1. Particle Collisions onQuark and Gluon level Erik Johansson Stockholm University IPPOG Innsbruck 2012

  2. QUARK AND GLUON COLLISIONS • Dynamics • Gluon exchange • Gluon fusion • Quark-antiquark annihilation • Quark and gluon interactions • 4 jets – hadronisation • Higgs particle production • Decaying to ZZ • Decaying to gg • Top-antitop production • Decaying to almost every quark and lepton • Z particle production • Decaying to an electron and a positron Erik Johansson

  3. PHYSICS IN ABOUT A MINUTE • Physics in a minute • Each animation is about a minuteand a half long • About 70 MB HD (QuickTime, H264 compact.) • Simplifications • No Lorentz contraction • No virtual loops • Start with the proton • A complex object Erik Johansson

  4. ONE EXAMPLE (SECOND EDITION) • Higgs production • Gluon-gluon fusion (without top loop) • Decay to ZZ decaying to leptons • The decay to gg also done • First edition: • http://www.physto.se/~kej/animations/ Erik Johansson

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