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mem:mem [2013/07/05 14:28] – decosa | mem:mem [2013/07/05 14:44] – decosa | ||
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This is the development branch, the most up to date. | This is the development branch, the most up to date. | ||
- | + | < | |
- | * '' | + | bzr branch lp: |
+ | </ | ||
Once MadWeight is on the working machine, the first step is to calculate the matrix elements for the process to consider: the hypothesis HP. | Once MadWeight is on the working machine, the first step is to calculate the matrix elements for the process to consider: the hypothesis HP. | ||
It is possible to it by launching MadGraph and defining the hypothesis process. | It is possible to it by launching MadGraph and defining the hypothesis process. | ||
- | * '' | + | < |
- | * '' | + | cd madweight_mc_perm |
- | * '' | + | ./ |
- | * '' | + | generate p p > t h b~ j $$ w+ w-, h > b b~ , t > b l+ vl # generating the process |
- | * '' | + | add process p p > t~ h b j $$ w+ w-, h > b b~ , t~ > b~ l- vl~ # adding the complementary channel |
+ | output madweight tHbb_HP | ||
+ | </ | ||
Madweight requires as input a **set of datacards** and an **LHCO file**. | Madweight requires as input a **set of datacards** and an **LHCO file**. | ||
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The datacards to customize are three: param_card.dat, | The datacards to customize are three: param_card.dat, | ||
- | * param_card.dat: | + | |
- | * run_card.dat: | + | * |
- | * Madweight_card.dat: | + | * |
+ | < | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | </ | ||
+ | * run_card.dat and param_card.dat have to remain unchanged once the hypothesis is defined. The parameter '' | ||
+ | * Also the lhco file has to be updated each time MadWeight has to be run over a new sample: the lhco file related to the specific sample must be placed in the Events directory and named '' | ||
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__**LHE to LHCO**__: lhco files can be converted from LHE files. To do this a script is available from MadGraph website. Download it in the working directory: | __**LHE to LHCO**__: lhco files can be converted from LHE files. To do this a script is available from MadGraph website. Download it in the working directory: | ||
- | * '' | + | |
- | * '' | + | < |
+ | wget https:// | ||
+ | mv lhe2lhco.py.txt lhe2lhco.py | ||
+ | </ | ||
__**EDM LHE to LHCO**__: lhco files can converted also from EDM LHE files using a standard tool provided within the CMS framework (ExternalLHEAsciiDumper). Copy it and change the name of the input file: | __**EDM LHE to LHCO**__: lhco files can converted also from EDM LHE files using a standard tool provided within the CMS framework (ExternalLHEAsciiDumper). Copy it and change the name of the input file: |