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start:selection [2010/02/04 13:15] – created nchiapstart:selection [2010/02/05 09:04] (current) nchiap
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 ====== Simple Selections ====== ====== Simple Selections ======
 There are many different ways to achieve the same within the LHCb computing environment. There are many different ways to achieve the same within the LHCb computing environment.
-This page collects examples on how to write a J/psi -> mu- mu+ selection.+This page collects examples on how one can write a selection.
  
 ===== Using CombineParticles ===== ===== Using CombineParticles =====
-This is probably the fastest way to achieve a Selection and allows to uses +This is probably the fastest way to achieve a Selection and allows to easily use the available tools. No packages need to be locally installed for this. The **Introduction** [[https://twiki.cern.ch/twiki/bin/view/LHCb/DaVinciTutorial#Exercises | Tutorials for DaVinci]] explain how to do this. The python configuration is explained in [[https://twiki.cern.ch/twiki/bin/view/LHCb/DaVinciTutorial4 | Tutorial4 ]]
  
-<code python mySelection.py>+A basic step-by-step example is available under [[start:DaVinciExample | DaVinic Example]]
  
- +===== Using a C++ Algorithm ===== 
-</code>+A more complex possibility is to write a C++ algorithm the //Advanced// [[https://twiki.cern.ch/twiki/bin/view/LHCb/DaVinciTutorial#Exercises | Tutorials for DaVinci]] cover this.
start/selection.1265285721.txt.gz · Last modified: 2010/02/04 13:15 by nchiap