MDC2020

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Introduction

MDC2020 is an end-to-end production using updated geometry, detector simulations, persistent schema, and simulation workflows compared to MDC2018. The goal is to provide a reasonably complete and accurate model of what Mu2e will record during commissioning and first running period ('Run 1', add reference), including OnSpill, OffSpill, and Extracted Position samples. The primary intended use case of these samples are:

  • Detector calibration and alignment, including cross-system (ie CRV to Calo) calibrations
  • Detector commissioning
  • Trigger algorithm testing and development
  • TDAQ to Offline data transfer workflows
  • Offline reconstruction algorithm development
  • Science extraction framework and algorithm development

The samples have been produced using POMS.

Detector Geometry

The detector geometry and material configuration used in MDC2020 is documented in X (add reference). A brief description of the major features is included below.

Detector Response Simulation

The detector response simulations used for MDC2020 include detailed models of the micro-physics (below the level of the Geant4 energy deposition), and the translation of those processes into digital signals. Details are described in the notes referenced in the table below. Note that a detailed model of the timing distribution system is also part of the digitization model.


Simulation Workflow

The workflow used for MDC2020.


Cosmic Simulation POMS campaign

Beam Simulation POMS campaign

Digitization and mixing POMS campaign

Job Management

Validation

Currently the only MDC2020 data are Validation datasets, ~1% samples used to test outputs and subsequent stages. These are engineering samples only, not intended for physics use, just to make sure content is complete. All files are in: /pnfs/mu2e/persistent/users/brownd/MDC2020Val

File Description
dts.brownd.BeamFlashcat.MDC2020d.001202_00.art concatenated beam flash DetectorSteps
dts.brownd.NeutralsFlashcat.MDC2020d.001202_00.art concatenated neutrals flash DetectorSteps
sim.brownd.Beamcat.MDC2020d.001201_01.art concatenated beam particles
sim.brownd.Neutralscat.MDC2020d.001201_01.art concatenated neutral particles
sim.brownd.TargetStops.MDC2020d.001202_00.art concatenated muon target stops
TrkAna_CeEndpointMix.root TrkAna TTrees from the CeEndpointMix reco output
CeEndpointMixReco.txt list of reconstructed Conversion endpoint electrons
CeEndpointMix.txt list of conversion endpoint electron digis
CeEndpoint.txt list of conversion endpoint electrons
NoPrimaryTest.txt list of background events with no primary particle
BeamFlash_val.root Validation histograms from beam flash
Beam_val.root Validation histograms from beam particles
CeEndpointMixReco_val.root Validation histograms from reconstructed conversion endpoint electrons
CeEndpointMix_val.root Validation histograms from conversion endpoint electron digis
CeEndpoint_val.root Validation histograms from conversion endpoint electrons
NeutralsFlash_val.root Validation histograms from neutral flash
Neutrals_val.root Validation histograms from neutral particles
NoPrimary_val.root Validation histograms from background events with no primary particle
TargetStops_val.root Validation histograms from muon target stops
BeamResampler_expand.fcl Expanded fcl from beam resampler job
CeEndpoint_expand.fcl Expanded fcl from conversion endpoint job
CeEndpointMix_expand.fcl Expanded fcl from conversion endpoint mixing job
CeEndpointMixReco_expand.fcl Expanded fcl from conversion endpoint reconstruction job
NeutralsResampler_expand.fcl Expanded fcl from neutral resampler job
NoPrimary_expand.fcl Expanded fcl from no-primary background mixing job
POT_expand.fcl Expanded fcl from protons on target job