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Simulation/Physics Studies

Simulation/Physics Studies. Overall aims Data-validated simulation of sub-detectors (esp. calorimetry) Test performance of PFA as concept – big impact on calorimeter design Lead into future UK h/w interests Algorithm development Particle flow – PandoraPFA (Mark) Clustering

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Simulation/Physics Studies

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  1. Simulation/Physics Studies • Overall aims • Data-validated simulation of sub-detectors (esp. calorimetry) • Test performance of PFA as concept – big impact on calorimeter design • Lead into future UK h/w interests • Algorithm development • Particle flow – PandoraPFA (Mark) • Clustering • gNIKI (George M.) • MAGIC (Chris Ainsley) • MAPS specific (Yoshi) • Global detector optimisation • Radius, no. layers, absorber thickness,… • Influence detector concept studies (e.g. MAPS as alternative to baseline Si) • Specific simulations • DAQ • Mechanical imperfections • MAPS • Physics studies • For detector performance benchmarking • ZHH (RHUL), WW/ZZ (Cambridge), tt~+ … • Sensitivity to details of hadronic interaction modelling • As above, for different event samples Nigel Watson / CALICE UK

  2. What next? • Missing tools for physics studies? • Beam-related background • Overlaying of lcio files (background/signal) – NKW-> Norman Graf • Generator level cuts to improve statistics of selected background samples for channels with very low signal/background, e.g. ZHH • RHUL – talk to Marcel S., on filtering .stdhep files • Vertexting – c/o LCFI – package to be released soon (~mid-Feb?) • Tracking – complicated task - Alexei R. et al • Lepton id • m-id – not much in near future  • Electron-id (relates to test beam data analysis). No technical show stoppers. • Improved description of detector in forward regions (MDI, …)? • Material description itself exists, ~adequate • Improve impact of existing work • Other detector concepts – problems e.g. with track reco in Marlin framework of SiD • Concentrate on LDC for immediate future (reconsider in ~0.5 year) • Be prepared to present work in progress at meetings, write up as LC-Notes • Is SiW too expensive, can adequate performance be obtained with small scintillator tiles? Ideally, make “like-with-like” comparison using LDC, compare SiW with scintillator. Perhaps interest from new Japanese Calice collaborators? Discuss at DESY meeting. • Better co-working with more people now involved? • Avoid (too much) duplication / “re-inventing of wheel” • Much interest in tt~ - better to concentrate on different aspects of this process, or alternative channels • Sharing code where appropriate (likely to be more ad hoc than Calice reco code) • Private web pages, sourceforge, institute/collaboration wikis, etc. • … Nigel Watson / CALICE UK

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