2013:groups:tools:lhef
Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
|
2013:groups:tools:lhef [2013/06/06 10:50] andy.buckley [Reweighting vectors] |
2013:groups:tools:lhef [2013/06/07 15:49] (current) andy.buckley Mention need for alpha_s specification |
||
|---|---|---|---|
| Line 12: | Line 12: | ||
| Some extra concerns: | Some extra concerns: | ||
| - | * Support for weight matrixes to correlate multiple simultaneous scale/PDF variations (Maria Vittoria Garzelli) | + | * Support for weight matrices to correlate multiple simultaneous scale/PDF variations (Maria Vittoria Garzelli) |
| * 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) | ||
| + | * | ||
| + | |||
| + | ===== 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). | ||
| + | |||
| + | |||
| + | ===== alpha_s specification ===== | ||
| + | |||
| + | 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. | ||
2013/groups/tools/lhef.1370508655.txt.gz ยท Last modified: 2013/06/06 10:50 by andy.buckley
Page Tools
Except where otherwise noted, content on this wiki is licensed under the following license: Public Domain
