Conveners
Photon Detectors
- Tsuyoshi Nakaya (Kyoto University)
Photon Detectors
- Razmik Mirzoyan (Max-Planck-Institute for Physics)
Photon Detectors
- Masashi Yokoyama (Kyoto University)
Photon Detectors
- Norm Buchanan (Colorado State University)
Photon Detectors
- Hans-Gunther Moser (Werner-Heisenberg-Institut)
Photon Detectors
- Karen Byrum (Argonne National Laboratory)
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Mr Yuji Yoshizawa (Hamamatsu Photonics)10/06/2011, 16:00Photon DetectorsOral PresentationHamamatsu Photonics has been providing vacuum photon detectors for Neutrino physics experiments and Dark Matter experiments as well as other HEP experiments in many years. For instance, 11,700 pcs of 20-inch PMTs were delivered to Super-Kamiokande experiment in Japan, 5,500 pcs of 10-inch PMTs were delivered to ICECUBE experiment in Antarctica. Recently, we are providing several kinds of...Go to contribution page
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Mr Shuichi Iwata (Tokyo Metropolitan University)10/06/2011, 16:25Photon DetectorsOral PresentationFor the Belle II experiment at the super KEKB, we have been developing a proximity focusing ring imaging Cherenkov (RICH) detector using a silica aerogel as a radiator. This Aerogel RICH counter is designed to be used at the forward endcap region and to have pion/kaon separation with more than 4-sigma deviations at momenta up to 4 GeV/c. A 144-channel Hybrid Avalanche Photo-Detector (HAPD)...Go to contribution page
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Toshinori Abe (University of Tokyo)10/06/2011, 16:50Photon DetectorsOral PresentationWe report on the development of a large-aperture Hybrid Avalanche Photo-Detector (HAPD).We have developed an 8-inch aperture HAPD and its readout system.The HAPD is a photo detector expected to replace the photomultiplier tube (PMT) in next-generation imaging water Cherenkov detectors such as Hyper Kamiokande. HAPD has shown its excellent performances, 7 times better time resolution and 3...Go to contribution page
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Mr Artin Teymourian (UCLA)10/06/2011, 17:10Photon DetectorsOral PresentationThe sensitivity of the current generation of Noble Liquid Dark Matter detectors is limited by background events originating from radioactivity in the detector materials, especially from the photomultiplier tubes. In this talk, I will present the QUartz Photon Intensifying Detector (QUPID), a novel concept for a new style of photodetector based on the design of Hybrid APDs and made nearly...Go to contribution page
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Dr Kenji Inami (Nagoya university)11/06/2011, 08:30Photon DetectorsOral PresentationWe present recent R&D results for a multiple-anode MCP-PMT being developed for the Belle-II Time Of Propagation (TOP) counter. This detector is a hybrid cherenkov ring imaging and timing detector for particle identification in the barrel region of the upgraded detector. The Belle-II experiment will operate at high event rates and needs to withstand the correspondingly high background...Go to contribution page
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173. The “DIRC-like FTOF”: a time-of-flight Cherenkov detector for particle identification at SuperBMr Leonid Burmistrov (LAL)11/06/2011, 08:55Photon DetectorsOral PresentationThe DIRC-like FTOF detector is a ring imaging Cherenkov counter which uses time-of-flight to identify charged particles (PID). It has been developed to improve PID on the SuperB forward side, a region which is not covered by the main barrel PID detector, the FDIRC. The FTOF prototype was constructed and installed in the SLAC Cosmic Ray Telescope for timing measurements in Fall 2010. A time...Go to contribution page
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Dr Fulvio Tessarotto (INFN, Sezione di Trieste - Universita & INFN, Trieste)11/06/2011, 09:20Photon DetectorsOral PresentationFor the future upgrade of COMPASS RICH-1 an R&D project was started to develop a gaseous detector of single UV photons, able to stably operate at high gain and high rate, and to provide good time resolution and insensitivity to magnetic field. The detector is based on the use of THGEMs, arranged in a multilayer architecture, where the first layer is coated with a CsI film and acts as a...Go to contribution page
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Dr Ahmed El Alaoui (Argonne National Laboratory)11/06/2011, 09:45Photon DetectorsOral PresentationThe upgrade of the Jefferson Lab accelerator to 12 GeV electron beam energy, combined with that of the CEBAF Large Acceptance Spectrometer (CLAS12) located in Hall B, will provide the unique combination of wide kinematical coverage, high beam intensity (luminosity), high energy, high polarization, and advanced detection capabilities required to study Quantum Chromodynamics (QCD) in greater...Go to contribution page
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Razmik Mirzoyan (Max-Planck-Institute for Physics)11/06/2011, 10:05Photon DetectorsOral PresentationThe Cherenkov Telescope Array (CTA) is planned as a next generation ground-based large instrument for astrophysics by means of very high energy γ-rays. The CTA core is based on the MAGIC, the H.E.S.S. and the VERITAS collaborations. Also, a large number of astrophysicists from European institutions, large teams from Japan and USA have joined the CTA. The aim of CTA is to build an array of ~100...Go to contribution page
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Dr Hiroyuki Sekiya (University of Tokyo)11/06/2011, 11:00Photon DetectorsOral PresentationA new type high spatial resolution radiation detector based on UV scintillators + gaseous imaging device is presented. In the last decades, gaseous photo-multipliers with ultraviolet sensitive CsI photocathodes have been tested. In addition, these days, large area micro pattern gaseous detectors, such as Micromegas, GEM, and μPIC have been developed. These devices can provide a low cost large...Go to contribution page
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Prof. Shin-Hong Kim (University of Tsukuba)11/06/2011, 11:20Photon DetectorsOral PresentationWe present the development of a Superconducting Tunnel Junction (STJ) detector using Hafnium (Hf) as a photon detector which was designed to search for radiative decay of cosmic background neutrinos. The photon energy spectrum from neutrino radiative decay has a sharp edge at high energy end. To detect this sharp edge, we need a micro-calorimeter of infrared photons with high energy...Go to contribution page
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Carlos Faham (Brown University)11/06/2011, 11:40Photon DetectorsOral PresentationThe Large Underground Xenon (LUX) experiment and LZ (LUX-ZEPLIN) experiments are dark matter search experiments based on ultra-low background liquid xenon time projection chambers. In collaboration with the experiments, Hamamatsu Photonics has developed a series of very low background photomultiplier tubes (PMTs), culminating in a new fully operational 3-inch diameter PMT (R11410MOD) that has...Go to contribution page
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Dr Björn Seitz (University of Glasgow)11/06/2011, 12:05Photon DetectorsOral PresentationModern experiments in hadronic physics require detector systems capable of identifying and reconstructing all final-state particles and their momentum vectors. The PANDA experiment at FAIR and the CLAS12 experiment at Jefferson Laboratory both plan to use imaging Cherenkov counters for particle identification. CLAS 12 will feature a Ring Imaging Cherenkov counter (RICH), while PANDA plans to...Go to contribution page
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Dr Jelena Ninkovic (Max PlanckInstitute for Physics)11/06/2011, 14:00Photon DetectorsOral PresentationRecent years a tremendous development in the field of Silicon photomultipliers (SiPMs) has been persuaded. Several companies offer commercialized products that can be already used as a modern replacement of conventional photmultiplier tubes. We have proposed and demonstrated functionality of a new concept for SiPMs in which the quench resistor is integrated into a bulk bellow the sensitive...Go to contribution page
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Dr Razmik Mirzoyan (Max-Planck-Institute for Physics)11/06/2011, 14:20Photon DetectorsOral PresentationThe collaboration MEPhI-Max Plank Institute for Physics (Munich)for about ten years is developing SiPMs for the needs of the MAGIC and EUSO astro-particle physics experiments. The aim was to develop UV sensitive very high Photon Detection Efficiency (PDE) devices, substantially exceeding that of the classical photo multiplier tubes (PMT). For achieving very high PDE one needs to operate SiPM...Go to contribution page
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Dr Giulio Saracino (Univ. Degli Studi di Napplo Federico)11/06/2011, 14:40Photon DetectorsOral PresentationThe NA62 experiment at CERN aims at the very challenging task of measuring with 10% relative error the Branching Ratio of the ultrarare decay of the K+ into pi+ neutrino and antineutrino, which is expected to occur only in about 8 out of 10^11 kaon decays. This will be achieved by means of an intense hadron beam, an accurate kinematical reconstruction and a redundant veto system for...Go to contribution page
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Dr Oswald Siegmund (University of California)11/06/2011, 15:00Photon DetectorsOral PresentationAs part of a collaborative program between university of California, Berkeley, the Argonne National Laboratory, University of Chicago, and several commercial companies, we are developing a 20 cm square sealed tube microchannel plate detector scheme with a proximity focused bialkali photocathode. Sealed tube microchannel plate devices have good imaging and timing characteristics, but large...Go to contribution page
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Dr Liyuan Zhang (Caltech)11/06/2011, 15:20Photon DetectorsOral PresentationNeutron induced nuclear counter effect in Hamamatsu silicon PIN diodes and APDs was measured by irradiating fast neutrons from a pair of Cf-252 sources directly to these devices. It was found that the entire kinetic energy of these neutrons may be converted into electron signals in these devices, leading to anomalous signals of up to a few million electrons in a single isolated calorimeter...Go to contribution page
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Dr Zikri Yusof (Argonne National Laboratory)11/06/2011, 16:00Photon DetectorsOral PresentationA photocathode with appropriate properties and large area (8”x8”) is required for the Large Area Picosecond Photodetector (LAPPD) project. In our effort to achieve that goal, we have designed a fabrication system based on lessons learned from commercial PMT production at Burle Industries. This involves, as the starting point, a duplication of the photocathode fabrication inside a PMT, using...Go to contribution page
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Dr Slade Jokela (Argonne National Laboratory)11/06/2011, 16:20Photon DetectorsOral PresentationThis work is a part of the Large-Area Picosecond Photo-Detector collaboration (LAPPD, http://psec.uchicago.edu/), which is focused on the development of the next generation photon-to-electron converters using novel materials synthesis approaches to obtaining desired functionality. Large-area micro-channel plates are being developed for this effort using more affordable micro-porous glass, as...Go to contribution page
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Dr Seon Woo Lee (Argonne National Laboratory)11/06/2011, 16:40Photon DetectorsOral PresentationAlthough metal photocathodes show very low quantum efficiency (< 10-4), they are often used in applications which require a robust, easy-to-handle, but well characterized electron source. External and easy producibility, stability in air, and their process compatibility (high temperature tolerance) make metal cathodes indispensible for many tasks. Injector guns for accelerators, test cathodes...Go to contribution page
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Dr Seon Woo Lee (Argonne National Laboratory)11/06/2011, 17:00Photon DetectorsOral PresentationMulti-alkali photocathodes are the workhorses and golden standards for industrially produced cathodes. They are grown in cost-effective thin-film technology permitting the use of a wide range of amorphous and polycrystalline substrates. The growth process parameters are chosen by heuristically optimized recipes which typically are proprietary. The resulting quantum efficiency (QE) of the...Go to contribution page
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Dr Anil U. Mane (ANL)11/06/2011, 17:20Photon DetectorsOral PresentationMicrochannel plate (MCP)-based photodetectors have a combination of unique properties like high gain, high spatial resolution, and high temporal resolution. They can be used in wide variety of applications including imaging spectroscopy, photo detectors, astronomy, Time-of-Flight mass spectrometry, molecular and atomic collision studies, and cluster physics. The same MCP-based technology is...Go to contribution page
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Dr JUNQI XIE (Argonne National Laboratory)11/06/2011, 17:40Photon DetectorsOral PresentationIn a phototdetector, the photocathode is the element responsible for the conversion of the photon into an initial photoelectron. Many fundamental detector properties such as dark current, quantum efficiency, response time, and lifetime, as well as the production cost of the detection system, are determined by the properties of the cathode. This talk will discuss instrumentation specifically...Go to contribution page
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Dr Alexandre Dychkant (Northern Illiniois University)13/06/2011, 14:00Photon DetectorsOral PresentationScintillator tiles directly coupled to photo-sensors (without wavelength shifting fiber) offer greatly simplified construction for highly granular detectors. The performance of these detectors requires uniform response across the surface of the scintillator. Flat and shaped scintillator tiles directly coupled to silicon photo-multipliers have been investigated with both a radioactive source...Go to contribution page
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Jiajie Ling (BNL)13/06/2011, 14:20Photon DetectorsOral PresentationLarge, deep, well shielded liquid detectors have become an important technology for the detection of neutrinos over a wide dynamic range of few MeV to TeV. The critical component of this technology is the large format semi-hemispherical photo-multiplier with diameter in the range of 25 to 50 cm. The survival of the glass envelopes of these photo-multipliers under high pressure is the subject...Go to contribution page
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Dr Jon Howorth (Photek Limited)13/06/2011, 14:40Photon DetectorsOral PresentationThis paper reviews recent developments in imaging photomultiplier technology. Recent developments have significantly advanced the time resolution limits of MCP based photomultipliers; this is of particular importance for applications in nuclear physics. For example, PMTs are used for Gamma Reaction History at Omega and similar experiments. Since 2004,PMT diagnostic capability has improved...Go to contribution page
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Prof. Norm Buchanan (Colorado State University)13/06/2011, 15:00Photon DetectorsOral PresentationA large (100-300 kton) water Cerenkov detector is one of the technologies under consideration for the far detector of the Long Baseline Neutrino Experiment (LBNE). The significant cost of instrumenting the large detector with photomultiplier tubes restricts the number of PMTs that can be used and hence methods for improving the effective light collection efficiencies of the PMTs are being...Go to contribution page
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171. Characterization of 10" and 12" Photomultiplier Tubes for the Long Baseline Neutrino ExperimentDr Stanley Seibert (University of Pennsylvania)13/06/2011, 15:20Photon DetectorsOral PresentationThe Long Baseline Neutrino Experiment will study neutrino oscillation and leptonic CP-violation using a high-intensity muon neutrino beam produced at Fermilab and detected in the Homestake mine in South Dakota. The collaboration is evaluating both 100 kton-scale water Cherenkov detectors and 17 kton-scale liquid argon time projection chambers as neutrino detectors. As part of the water...Go to contribution page
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Dr Matthew Wetstein (Argonne National Laboratory)13/06/2011, 15:40Photon DetectorsOral PresentationMicrochannel plate photomultiplier tubes (MCP-PMTs) are compact imaging detectors, capable of micron-level spatial imaging and timing measurements with resolutions well below 10 picoseconds. The Large Area Picosecond Photodetector Collaboration (LAPPD) is developing techniques for fabricating 20cm-square, thin planar glass-body MCP-PMTs at costs comparable to traditional PMTs. A major...Go to contribution page