Progress on the Pythia 8 event generator
Progress on the Pythia 8 event generator
Progress on the Pythia 8 event generator
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Introducti<strong>on</strong> – 1<br />
Modern <strong>event</strong> <strong>generator</strong>s were born at DESY,<br />
for <strong>the</strong> PETRA e + e − collider! (1978 − 86, 13 − 46 GeV)<br />
• Combine perturbative picture of hard processes,<br />
involving electroweak and str<strong>on</strong>g interacti<strong>on</strong>s,<br />
with n<strong>on</strong>perturbative picture of hadr<strong>on</strong>izati<strong>on</strong>.<br />
• Provide “complete” <strong>event</strong>s, with parameters to be tuned to data,<br />
and used to study and understand different kinds of physics.<br />
JETSET (PYTHIA predecessor): ∼1,000 lines of Fortran code in 1980<br />
Torbjörn Sjöstrand <str<strong>on</strong>g>Progress</str<strong>on</strong>g> <strong>on</strong> <strong>the</strong> <strong>Pythia</strong> 8 <strong>event</strong> <strong>generator</strong> slide 2/46
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