5D Calorimetry

Contribution List

1. Vertex t0 reconstruction using LAr

Doyeong Kim, Sanha Cheong (Stanford / SLAC)

26/09/2024, 10:00

5D Calorimetry in ATLAS

• t0 resolution studies in events with pileup
• how to best combine LAr with HGTD vertex t0 for overall t0 determination in ATLAS
• Particle flow applications of precision timing:
  o neutrons
  o track-cell matching
• Applications:
  o Impact of improved t0 for pileup forward jet suppression in VBF H>invisible (Run 4)
  o LLP search for displaced photons/jets (Run 3)
• Data...

2. Single pion studies

Doyeong Kim, Zahra Farazpay (Loisiana Tech)

26/09/2024, 10:10

5D Calorimetry in ATLAS

• time evolution/structure of pion showers
• response vs time
• neutron component identification

3. Space-time structure of hadronic showers

Zahra Farazpay (Loisiana Tech)

26/09/2024, 10:20

5D Calorimetry in ATLAS

• Response vs time
• overlapping showers
• time-aware GNN PFlow reconstruction

14. Precision timing

26/09/2024, 10:30

Higgs Factory Dual Readout Calorimetry with Fast Timing

• fiber hcal: cherenkov + timing 5D imaging
• Techniques and experimental challenges to determine longitudinal segmentation using cherenkov light and timing.
• single pion and jet response dependence as a function of longitudinal shower max
• Impact of dual SIPM readout in overall energy resolution

15. Particle flow (Dual Readout + Fast Timing)

26/09/2024, 10:35

Higgs Factory Dual Readout Calorimetry with Fast Timing

• Impact of precision timing in particle flow reconstruction
• Machine learning DRO+timing particle flow
• C/S + machine learning
• Combination of Crystal and Fiber calorimeters

16. Readout electronics

Lorenzo Rota (SLAC), Rainer Bartoldus (SLAC)

26/09/2024, 10:40

Higgs Factory Dual Readout Calorimetry with Fast Timing

• 5-10 GHz Waveform digitizer
• 10ps TDC
• C/S extraction and data reduction, compression

Back to the event