2013:groups:tools:lhef
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2013:groups:tools:lhef [2013/06/06 12:20] andy.buckley MEPS PDF issue |
2013:groups:tools:lhef [2013/06/07 15:49] (current) andy.buckley Mention need for alpha_s specification |
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| * Identification of //meaning// of weights, esp for experiment use where the users know little about how the generator was run (Andy Buckley) | * Identification of //meaning// of weights, esp for experiment use where the users know little about how the generator was run (Andy Buckley) | ||
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| ===== ME/PS PDF tracking ===== | ===== ME/PS PDF tracking ===== | ||
| Need to forward the matrix element PDF info to the shower generator, if not already done. HepMC needs to be able to record a separate shower PDF identity (at present MC samples which use an LO shower PDF on top of an NLO LHE event file will report that they only used the LO PDF when the shower generator is queried). | Need to forward the matrix element PDF info to the shower generator, if not already done. HepMC needs to be able to record a separate shower PDF identity (at present MC samples which use an LO shower PDF on top of an NLO LHE event file will report that they only used the LO PDF when the shower generator is queried). | ||
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| + | ===== alpha_s specification ===== | ||
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| + | alpha_s(MZ) and the running order need to be specified so that the shower generator has the option to match the ME coupling definition automatically. | ||
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2013/groups/tools/lhef.1370514022.txt.gz ยท Last modified: 2013/06/06 12:20 by andy.buckley
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