Optimizing Physics Performance for Multi-Jet Final States
The planning for the ECal and guiding principles focus on optimizing physics performance while considering technological feasibility and cost. Key aspects include tau and electron identification, acollinearity, hermiticity, and imaging. The project aims to complete R&D goals for the baseline design, with a focus on component R&D, test stack building, and performance evaluation. Challenges such as bump-bonding and missing endcaps need to be addressed, highlighting the importance of calibration and alignment discussions. The technical option of MAPS and performance studies for photons, jets, and taus are essential in achieving the desired outcomes. Who will take the lead in these critical performance factors?
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Presentation Transcript
DBD Planning: ECal R Frey, M Stanitzki LOI section still a good starting point Guiding principles based on optimizing physics performance constrained by technological feasibility and cost multi-jet final states (PFA) tau id and analysis photons (4-vector) electron id Bhabhas and Bhabha acollinearity hermiticity Imaging ECal 1 R Frey SiD at SLAC 16Dec2011
official guidance on DBD content 2 R Frey SiD at SLAC 16Dec2011
the biggie Completing the initial R&D goals for the baseline design 3 R Frey SiD at SLAC 16Dec2011
Completing the R&D Goal: Complete the component R&D (done), build a test stack, and evaluate performance in a test beam. See Mani Tripathi stalk yesterday If we clear the bump-bonding hurdle soon (!), we should have a module ready for (SLAC) test beam by early summer. 4 R Frey SiD at SLAC 16Dec2011
missing Endcaps! Only initial mechanical drawings so far (Marco) 5 R Frey SiD at SLAC 16Dec2011
swept under the rug Calibration and alignment: Needs to be discussed in DBD 6 R Frey SiD at SLAC 16Dec2011
technical option MAPS option was discussed in LOI. More or less in DBD?? 7 R Frey SiD at SLAC 16Dec2011
would be nice physics related performance studies 8 R Frey SiD at SLAC 16Dec2011
possible performance results Photons Reconstruction efficiency in jets (in taus), e.g. efficiency as a function of separation from charged tracks or other photons Photon vertexing (energy resolution) Taus Identification of (separate the decay modes for tau pol) Jets Presumably already included in PFA performance in physics processes Who will do it? 9 R Frey SiD at SLAC 16Dec2011
summary Demonstrate the feasibility of the baseline ECal by completing the fabrication of the R&D module and getting some test beam results ! Everything else (hopefully taken up in parallel): Endcaps (mechanical and sensor design ) Calibration and alignment MAPS Performance studies 10 R Frey SiD at SLAC 16Dec2011
