A framework for fast simulation of a generic collider experiment

Delphes is a C++ framework, performing a fast multipurpose detector response simulation. The simulation includes a tracking system, embedded into a magnetic field, calorimeters and a muon system. The framework is interfaced to standard file formats (e.g. Les Houches Event File or HepMC) and outputs observables such as isolated leptons, missing transverse energy and collection of jets which can be used for dedicated analyses. The simulation of the detector response takes into account the effect of magnetic field, the granularity of the calorimeters and sub-detector resolutions. Visualisation of the final state particles is also built-in using the corresponding ROOT library.

Community and support

The Delphes development model is community-based. Users willing to participate are encouraged to fork Delphes git repository and to submit pull requests for improvements and bug fixes. The Delphes core development team from the ​CP3 center of the Université catholique de Louvain is in charge of the maintenance, releases, and general support to users via the ticket system.

Documentation

Documentation is collected in the WorkBook. Good starting point is the Quick Tour.

References

If you use Delphes as part of a publication, you should include a citation to:

​ JHEP 02 (2014) 057 ​ [ arXiv:1307.6346 [hep-ex] ]

Also, please note that Delphes relies on a few external packages. If they are used they should be cited as well. For instance, the jet clustering procedure in Delphes is performed via the FastJet package. If your analysis involves jets, you should explicitly include both a reference for the FastJet package and for the relevant clustering algorithm you are using.

For more information on how to properly cite FastJet, please visit ​this page.

Git access

The code is now fully on ​GitHub. You can get the latest version of the code using the command:

git clone https://github.com/delphes/delphes.git

Latest tickets

Results (1 - 10 of 867)

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Ticket	Resolution	Summary	Owner	Reporter	Status	Priority	Created
#1598		Question on PDG code = 0 on B-tagging module		muon_neutrino	new	minor	6 months
#1597		Inquiry Regarding Particle Status in Delphes		muon_neutrino	new	minor	7 months
#1596		Meaning of Delphes “Track” outputs		muon_neutrino	new	minor	7 months
#1595		eFlowTracks for some dark matter particles		Harri Waltari	new	minor	7 months
#1594		Jet matching with Pythia 8.3		Andre	new	minor	8 months
#1593		Replicating fatjet clustering with pyjet		Inês Moreira	new	major	9 months
#1592		Reading Delphes files with uproot ("fBits is not always 4 bytes")		Pietro Vischia	new	minor	9 months
#1591		Weird tracks' momenta for smeared tracks after SimpleCalorimeter module		youying	new	critical	9 months
#1590	fixed	Running Delphes on lxplus9		Alberto Plebani	closed	minor	9 months
#1589		Delphes Installation doesn't work on Mac 12.5		Steven Ferrante	new	minor	11 months

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