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Specific gravity and viscosity of endolymph and perilymph from inner ears of pigeons
We have developed a parameterized (fast) simulation for detector optimization and physics reach studies of the proposed SuperB Flavor Factory at Frascati. A fast simulation allows studying rare signals and their backgrounds in the large data sample of about 10^11 B meson pair events anticipated over the lifetime of SuperB. Our simulation is fully compatible with the event generators and analysis framework of BaBar, allowing physics signal significance to be used as a metric when evaluating detector options. Detector components are modeled as thin sections of planes, cylinders, or cones. Thick objects are built by layering thin sections. Overall cylindrical symmetry is enforced by design, allowing closed-form stepping of linear and helical particle paths in most cases. Particle-material interactions are modeled using simplified cross-se...
We have developed a parameterized (fast) simulation for detector optimization and physics reach studies of the proposed SuperB Flavor Factory in Italy. Detector components are modeled as thin sections of planes, cylinders, disks or cones. Particle-material interactions are modeled using simplified cross-sections and formulas. Active detectors are modeled using parameterized response functions. Geometry and response parameters are configured using xml files with a custom-designed schema. Reconstruction algorithms adapted from BaBar are used to build tracks and clusters. Multiple sources of background signals can be merged with primary signals. Pattern recognition errors are modeled statistically by randomly misassigning nearby tracking hits. Standard BaBar analysis tuples are used as an event output. Hadronic B meson pair events can be ...
A novel type of Cherenkov ring imaging particle identification system (DIRC) based on the detection of ring images produced in long, fused silica radiator bars is being used to provide hadronic particle identification in the BABAR detector at PEP-II. The DIRC concept, design, fabrication, and initial performance will be briefly described. The DIRC is now fully commissioned, and has been operating in the BABAR detector on beam line at the PEP-II B Factory since late Spring 1999.
A dedicated particle identification system based on the Detection of Internally Reflected Cherenkov (DIRC) light will be used in the BaBar detector. We provide an overview of the DIRC concept, design, and expected performance of the production device and a status report on its construction and commissioning. The DIRC is expected to be operating in the BaBar detector on beam line at the PEP-II B Factory in late spring 1999.
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