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Updated particle Collisions on Quark and Gluon level

Updated particle Collisions on Quark and Gluon level. Erik Johansson Stockholm University ATLAS week Montreux 2012. Quark and Gluon Collisions. Dynamics Gluon exchange Gluon fusion Quark-antiquark annihilation Quark and gluon interactions Higgs particle production Decaying to ZZ

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Updated particle Collisions on Quark and Gluon level

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  1. Updated particle Collisions onQuark and Gluon level Erik Johansson Stockholm University ATLAS week Montreux 2012

  2. Quark and Gluon Collisions • Dynamics • Gluon exchange • Gluon fusion • Quark-antiquark annihilation • Quark and gluon interactions • Higgs particle production • Decaying to ZZ • Decaying to gg • Top-antitop production • Decaying to almost every quark and lepton of the Standard Model • Z particle production • Decaying to an electron and a positron

  3. Physics in about a minute • Physics in a minute (or two ... or three) • Each animation is about a minute and a half long • About 80 MB HD (the double for top-antitop) (QuickTime, H264 compact.) • Simplifications • No Lorentz contraction • No virtual loops • Start with the proton • A complex object 3

  4. ONE EXAMPLE – ONE OF THE MOST COMPLEX On atlas.ch (thanks to Paul Schaffner)

  5. In the pipeline • Update of four jet production – hadronisation • A bit of a challenge • Article ”Exploring Quarks, Gluons and the Higgs particle” to appear in Physics Education explains the physics a bit more in detail.

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