2013:groups:tools:eventformats
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2013:groups:tools:eventformats [2013/06/20 10:04] eric.conte [Some ideas to discuss] |
2013:groups:tools:eventformats [2013/06/20 12:10] eric.conte [Some ideas to discuss] |
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| ====== Event Format : extended LHE ====== | ====== Event Format : extended LHE ====== | ||
| - | People involved: | + | People involved: Eric & Benj |
| ===== Present state ===== | ===== Present state ===== | ||
| Line 14: | Line 14: | ||
| ^ simplified LHE (gzip compression) | 5.1 | | ^ simplified LHE (gzip compression) | 5.1 | | ||
| ^ LHCO (gzip compression) | 1.6 | | ^ LHCO (gzip compression) | 1.6 | | ||
| - | ^ Delphes ROOT | 161 | | + | ^ Delphes 2 ROOT | 161 | |
| ===== Motivations ===== | ===== Motivations ===== | ||
| Line 59: | Line 59: | ||
| * Extending the LHE format in order to store partons, hadrons and jets (reco objects) in a same file. The generation step (hard-process, shower, reco) will be specified by the status-code. Some details: | * Extending the LHE format in order to store partons, hadrons and jets (reco objects) in a same file. The generation step (hard-process, shower, reco) will be specified by the status-code. Some details: | ||
| + | |||
| + | ---- | ||
| + | |||
| * parton level: same conventions than the existing LHE. Example: | * parton level: same conventions than the existing LHE. Example: | ||
| + | |||
| 6 2 1 2 501 0 -0.14952840473E+03 0.23999735524E+02 -0.25720865153E+03 0.34516945021E+03 0.17335203433E+03 0. 0. | 6 2 1 2 501 0 -0.14952840473E+03 0.23999735524E+02 -0.25720865153E+03 0.34516945021E+03 0.17335203433E+03 0. 0. | ||
| - | * hadrons level: the conventions can be applied without too much change (maybe the meaning of the two ICOLUP varaibles could be discussed). | + | |
| + | * hadron level: the conventions can be applied without too much change (maybe the meaning of the two ICOLUP variables could be discussed). | ||
| 2212 2 1 2 501 0 -0.14952840473E+03 0.23999735524E+02 -0.25720865153E+03 0.34516945021E+03 0.17335203433E+03 0. 0. | 2212 2 1 2 501 0 -0.14952840473E+03 0.23999735524E+02 -0.25720865153E+03 0.34516945021E+03 0.17335203433E+03 0. 0. | ||
| Line 70: | Line 75: | ||
| * MOTHUP variables linked the reconstructed object to the originated partons (only for some objects). Example: a electron coming from hard-process. | * MOTHUP variables linked the reconstructed object to the originated partons (only for some objects). Example: a electron coming from hard-process. | ||
| * PUP variables without change. | * PUP variables without change. | ||
| - | Other variables specific to the nature of the reconstructed objects must be added. | + | Other relevant variables, specific to the nature of the reconstructed objects, must be added. |
| - | * Optional substructure in <event> block: defining a XML tag for each collection of objects. Several collections of a same object kind (jets in the example) can be defined and used. | + | ---- |
| - | <hardprocess> | + | * Optional substructure in <event> block: defining a XML tag for each collection of reconstructed objects. When detector fast-simulation is applied, several configurations can be applied (for instance for lepton isolation) and several collection of the same object kind can be produced. The <event>-block substructure is designed to handle several collections of a same object kind. Example: |
| + | |||
| + | <event> | ||
| ... | ... | ||
| - | </hardprocess> | + | |
| <jets> | <jets> | ||
| ... | ... | ||
| Line 90: | Line 97: | ||
| ... | ... | ||
| </muons> | </muons> | ||
| - | ... | + | </event> |
| - | * List of relevant observables for each object collection must be defined. | + | Warning: If the LHE file supplies several collections of jets, people must obviously use only collection of jet. |
2013/groups/tools/eventformats.txt · Last modified: 2013/06/20 12:15 by eric.conte
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