ECCE Physics

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Physics Benchmarks Team

The Physics Benchmarks Team is organized in 7 different working groups (WGs):

This structure was inspired in the Yellow Report organization, with the addition of a dedicated group on Simulations and on Electroweak and BSM.

Physics Team meeting:

The WGs are organized by physics processes, and not by physics topics. The following table, extracted from the YR, shows the relationship between the science topics and the categories of measurements.


Open tasks in the Physics Benchmarks Team

A list of currently available open tasks for each of the working groups is available here: Open Tasks

If you're interested in contributing to the Physics Team of ECCE and/or have people in your group that would, please check the above link to find a suitable project.

Event generators

The following sections list the events generators used during the YR, with their steering cards and MC samples (when available).

Please contact the Physics Benchmarks Team conveners for general questions or requests

Inclusive reactions

[Information on this section taken from here]

For inclusive reactions, two main event generators were used during the Yellow Report exercise:

  • Pythia 6 (Documentation, Code), for inclusive neutral current electron-proton scattering
    • Input Cards and Plotting Macro: 5+41 card, 5+100 card, 10+100 card, 18+275 card, Macro
    • EIC-smear ROOT Files: '/gpfs02/eic/baraks/pythia/outfiles/yellow_report/' on BNL RACF machines (generator level: ep_*_newtune_*.root, after eic-smear v0.1: ep_*_newtune_*_matrixsmear.root)
    • Q2 > 0.5 GeV2
    • Contact : Barak Schmookler
  • BeAGLE (Documentation, Code), for inclusive neutral current electron-nucleus scattering
    • Species and energies used: e+Au 5x41, 10x110, 18x110 GeV
    • Generator used: BeAGLE ( BeAGLE Normalization )
    • Input Cards: 18x110 (Others energies similar)
    • ROOT Files: '/gpfs02/eic/baraks/BeAGLE/outForPythiaMode/rootfiles/' on BNL RACF machines
    • Q2 > 0.5 GeV2
    • Contact : Barak Schmookler and Dmitriy Kim
  • Djangoh (Documentation, Code), for inclusive neutral-current ep scattering and charge current electron scattering
    • Input cards for neutral-current ep scattering 5x41, 5x100, 10x100, 18x275
    • ROOT files: '/eic/data/baraks/dis-reconstruction/djangoh/outfiles/yellow/' on BNL RACF machines (generator level files, not smeared)
    • Contact : Barak Schmookler

Semi-inclusive reactions

  • Pythia 6 (Documentation, Code)
    • Input cards and output files from YR (by R. Seidl) at: /gpfs/mnt/gpfs02/eic/DATA/YR_SIDIS/ (README file included)
    • Input card for gluon Sivers at 18 GeV x 275 GeV (by L. Zheng)
  • Pythia 8 + DIRE (Code)
  • elSpectro (Code)

Jets & HQ

Exclusive reactions

Exclusive Reactions Working Group Page

  • DVCS
    • Generator: Milou / Milou3D
    • MC samples: /gpfs02/eic/DATA/MILOU/newfiles/NEWMILOU/*.out
    • Contact: Salvatore Fazio
  • Diffractive dijets
    • Generator: Pythia8
    • Contact: Latiful Kabir
  • Exclusive J/Psi and Phi Production
    • Generators: Sartre and eSTARlight, ???
    • Working Wiki Page

Diffractive & Tagging

Yellow Report Diffractive & Tagging Page

Yellow Report Exclusive Reaction Page

For full information on ECCE Diffractive & Tagging Workgroup, please visit: Diffractive and Tagging Physics Working Group Page

  • u-channel π0 Production
    • Contact: Wenliang (Bill) Li (
    • Generator: DEMPgen
    • MC samples:
      • 5 on 100: 1M test data
      • Fun4all instruction: passing through EIC Smear first. Interface script is under work.
    • Analysis plugin:
  • Pion and Kaon Form Factors via DEMP
    • YR Contact: Garth Huber and Stephen Kay
    • Generator: DEMPgen
    • MC samples:
    • Analysis plugin:

It is not recommended to try and install these generators. They are installed on BNL machines, and they can be accessed through the Singularity container. For more information on this: (You may not even need to run these generators; the ROOT files from the Yellow Report might already have what you need)

Fun4all Simulation and Other Important Common Resources