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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MCPLOTS<br />
Repository of comparis<strong>on</strong>s between various tunes and data,<br />
mainly based <strong>on</strong> RIVET for data analysis,<br />
see http://mcplots.cern.ch/.<br />
Part of <strong>the</strong> LHC@home 2.0 platform for home computer<br />
participati<strong>on</strong>.<br />
dN ch /dη<br />
1/N ev<br />
8<br />
7<br />
7000 GeV pp Minimum Bias<br />
Charged Particle η Distributi<strong>on</strong> (N<br />
ch<br />
> 2, p<br />
T<br />
> 0.1 GeV/c)<br />
ATLAS<br />
<strong>Pythia</strong> 8<br />
<strong>Pythia</strong> 8 (Tune 2C)<br />
<strong>Pythia</strong> 8 (Tune 2M)<br />
<strong>Pythia</strong> 8 (Tune 4C)<br />
dN ch /dη<br />
1/N ev<br />
3.5<br />
3<br />
7000 GeV pp Minimum Bias<br />
Charged Particle η Distributi<strong>on</strong> (N<br />
ch<br />
> 1, p<br />
T<br />
> 0.5 GeV/c)<br />
ATLAS<br />
<strong>Pythia</strong> 8<br />
<strong>Pythia</strong> 8 (Tune 2C)<br />
<strong>Pythia</strong> 8 (Tune 2M)<br />
<strong>Pythia</strong> 8 (Tune 4C)<br />
6<br />
2.5<br />
5<br />
2<br />
4<br />
3<br />
2<br />
ATLAS_2010_S8918562<br />
<strong>Pythia</strong> 8.153<br />
-2 0 2<br />
η<br />
mcplots.cern.ch<br />
1.5<br />
1<br />
ATLAS_2010_S8918562<br />
<strong>Pythia</strong> 8.153<br />
-2 0 2<br />
η<br />
mcplots.cern.ch<br />
1.5<br />
Ratio to ATLAS<br />
1.5<br />
Ratio to ATLAS<br />
1<br />
1<br />
0.5<br />
-2 0 2<br />
0.5<br />
-2 0 2<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 33/46
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