Bulletin of the American Physical Society
2006 APS April Meeting
Saturday–Tuesday, April 22–25, 2006; Dallas, TX
Session C1: Novel Detector Technologies |
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Sponsoring Units: DPF Chair: John Jaros, Stanford Linear Accelerator Center Room: Hyatt Regency Dallas Landmark A |
Saturday, April 22, 2006 1:30PM - 2:06PM |
C1.00001: Bolometer Array Systems for Detection of the Cosmic Microwave Background Invited Speaker: The next generation of Cosmic Microwave Background (CMB) experiments will open a new window on the universe. By making precision measurements of the CMB polarization on large angular scales, we may see the signature of inflation carried by gravity waves. Through measurements of temperature anisotropy on small angular scales, we can discover distant galaxy clusters, constraining dark energy by providing a measurement of the universe's expansion history. These advances are made possible by new technology. I'll discuss recent advances in detector, readout, and cryogenic technology which are reaching the field now. [Preview Abstract] |
Saturday, April 22, 2006 2:06PM - 2:42PM |
C1.00002: Diamond Detectors Invited Speaker: Progress in experimental particle physics in the coming decade depends crucially upon the ability to carry out experiments at high energies and high luminosities. These two conditions imply that future experiments will take place in very high radiation areas. In order to perform these complex and perhaps expensive experiments new radiation hard technologies will have to be developed. Chemical Vapor Deposition (CVD) diamond detectors are being developed as a radiation tolerant alternative for use very close to the interaction region where detectors may have to operate in extreme radiation conditions. During the past few years many CVD diamond devices have been manufactured and tested. As a detector for high radiation environments CVD diamond benefits substantially from its radiation hardness, very low leakage current, low dielectric constant, fast signal collection and ability to operate at room temperature. We will present the present state-of-the-art of polycrystalline CVD diamond and the latest results obtained from detectors constructed with this material. Recently a new type of diamond has been developed: single crystal CVD diamond which resolves many of the issues associated with polycrystalline material. We will also present recent results obtained from devices constructed from this new diamond material. Finally, we will discuss the use of diamond detectors in future applications and their survivability in the highest radiation environments. [Preview Abstract] |
Saturday, April 22, 2006 2:42PM - 3:18PM |
C1.00003: Particle Flow Calorimetry for the ILC Invited Speaker: The Particle Flow approach to detector design is seen as the best way to achieve dijet mass resolutions suitable for the precision measurements anticipated at a future e$^{+}$e$^{-}$ Linear Collider (LC). Particle Flow Algorithms (PFAs) affect not only the way data is analyzed, but are necessary and crucial elements used even in initial stages of detector design. In particular, the Calorimeter design parameters are almost entirely dependent on the optimized performance of the PFA. Use of PFAs imposes constraints on the granularity and segmentation of the readout cells, the choices of absorber and active media, and overall detector parameters such as the strength of the B-field, magnet bore, hermeticity, etc. PFAs must be flexible and modular in order to evaluate many detector models in simulation. The influence of PFA development on calorimetry is presented here with particular emphasis on results from the use of PFAs on several LC detector models. [Preview Abstract] |
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