community:refhepsim
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community:refhepsim [2016/03/22 00:18] – asc | community:refhepsim [2016/03/31 00:41] – [Method IV. Running in a GUI mode using URL dialog] asc | ||
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+ | [[http:// | ||
====== | ====== | ||
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- | * [[fcs: | + | * [[fcs: |
* [[fcs: | * [[fcs: | ||
* [[fcs: | * [[fcs: | ||
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* [[vlhc: | * [[vlhc: | ||
- | Currently these studies are based on [[https:// | + | Currently these studies are based on [[http:// |
+ | Geometry files for full detector simulations can be found in the [[http:// | ||
This manual describes how to work with truth-level samples posted on HepSim. | This manual describes how to work with truth-level samples posted on HepSim. | ||
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</ | </ | ||
- | <note tip>The programs included | + | <note tip>The programs included |
- | If you need to analyze | + | If you need to analyse |
</ | </ | ||
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You will see a pop-up GUI browser which displays the MC record. You can search for a given particle name, view data layouts and log files using the [Menu]: | You will see a pop-up GUI browser which displays the MC record. You can search for a given particle name, view data layouts and log files using the [Menu]: | ||
+ | < | ||
{{: | {{: | ||
+ | </ | ||
This works for full parton-shower simulations with detailed information on particles. | This works for full parton-shower simulations with detailed information on particles. | ||
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hs-run ttbar_mg5.py | hs-run ttbar_mg5.py | ||
</ | </ | ||
- | Another approach is to use [[http:// | ||
- | In this example, we will run a Python script that downloads data from URL into the computer memory | ||
+ | Another approach is to use [[http:// | ||
+ | give more flexibility and more libraries for analysis. | ||
+ | In this example, we will run a Python script that downloads data from URL into the computer memory | ||
+ | |||
+ | Here is how to process the analysis using [[http:// | ||
+ | |||
+ | <code bash> | ||
+ | wget http:// | ||
+ | tar -zvxf jas4pp.tgz | ||
+ | cd jas4pp | ||
+ | source ./setup.sh # takes 5 sec for first-time optimization | ||
+ | wget http:// | ||
+ | fpad ttbar_mg5.py # process it in a batch mode. | ||
+ | </ | ||
+ | |||
+ | |||
+ | |||
+ | Similarly, you can use a more complex [[http:// | ||
<code bash> | <code bash> | ||
wget -O dmelt.zip http:// | wget -O dmelt.zip http:// | ||
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</ | </ | ||
+ | Similarly, | ||
===== Method III. Running in a GUI mode ==== | ===== Method III. Running in a GUI mode ==== | ||
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===== Method IV. Running in a GUI mode using URL dialog | ===== Method IV. Running in a GUI mode using URL dialog | ||
+ | |||
+ | |||
If you use DMelt, you can run this code using | If you use DMelt, you can run this code using | ||
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The execution of this script will bring-up a window with the lego plot. | The execution of this script will bring-up a window with the lego plot. | ||
+ | < | ||
{{: | {{: | ||
+ | </ | ||
You can also look at a simple " | You can also look at a simple " | ||
+ | < | ||
{{: | {{: | ||
+ | </ | ||
The code written in Python is attached: | The code written in Python is attached: | ||
+ | < | ||
{{: | {{: | ||
+ | </ | ||
====== Reading NLO predictions ====== | ====== Reading NLO predictions ====== | ||
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On the left panel, click on the event and then look at "Event info" | On the left panel, click on the event and then look at "Event info" | ||
+ | < | ||
{{: | {{: | ||
+ | </ | ||
The scripts that reconstruct cross sections are attached to the HepSim event repository. | The scripts that reconstruct cross sections are attached to the HepSim event repository. | ||
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NLO event record includes 4-momenta of particles and event weights (double values). In addition, deviations form central weights are included as an array of integer values as: | NLO event record includes 4-momenta of particles and event weights (double values). In addition, deviations form central weights are included as an array of integer values as: | ||
- | + | {{: | |
- | {{: | + | |
You can calculate differential cross sections using online files using this example: | You can calculate differential cross sections using online files using this example: | ||
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Currently, the full detector simulation can be done using the SLIC software. You will need to convert ProMC files to LCIO files and | Currently, the full detector simulation can be done using the SLIC software. You will need to convert ProMC files to LCIO files and | ||
use these files for the " | use these files for the " | ||
+ | |||
+ | The physics performance studies are [[fcs: | ||
How to convert ProMC to LCIO files is described in | How to convert ProMC to LCIO files is described in | ||
[[community: | [[community: | ||
- | You can analyse SLCIO files as described in [[https:// | ||
====== Pileups mixing | ====== Pileups mixing | ||
community/refhepsim.txt · Last modified: 2016/04/28 18:23 by asc