- Neutrino Physics Research
- Astrophysics and Cosmic Phenomena
- Particle physics theoretical and experimental studies
- Photocathodes and Microchannel Plates
- Radiation Detection and Scintillator Technologies
- Dark Matter and Cosmic Phenomena
- Particle Detector Development and Performance
- Advanced Optical Sensing Technologies
- Particle accelerators and beam dynamics
- Semiconductor materials and devices
- Photonic and Optical Devices
- Ga2O3 and related materials
- Plasma Diagnostics and Applications
- Radioactive Decay and Measurement Techniques
- CCD and CMOS Imaging Sensors
- Advancements in PLL and VCO Technologies
- Muon and positron interactions and applications
- solar cell performance optimization
- Gyrotron and Vacuum Electronics Research
- Radiation Therapy and Dosimetry
- Environmental Monitoring and Data Management
- Integrated Circuits and Semiconductor Failure Analysis
- VLSI and Analog Circuit Testing
- Semiconductor Quantum Structures and Devices
Iowa State University
2016-2024
University of California, Berkeley
2022
Incom (United States)
2018
University of Chicago
2010-2015
Fermi National Accelerator Laboratory
2012-2015
Argonne National Laboratory
2009-2013
Abstract New developments in liquid scintillators, high-efficiency, fast photon detectors, and chromatic sorting have opened up the possibility for building a large-scale detector that can discriminate between Cherenkov scintillation signals. Such could reconstruct particle direction species using light while also having excellent energy resolution low threshold of scintillator detector. Situated deep underground, utilizing new techniques computing reconstruction, this achieve unprecedented...
Large liquid-scintillator-based detectors have proven to be exceptionally effective for low energy neutrino measurements due their good resolution and scalability large volumes. The addition of directional information using Cherenkov light fast timing would enhance the scientific reach these detectors, especially searches neutrino-less double-beta decay. In this paper, we develop a technique extracting particle direction difference in arrival times scintillation light, evaluate several...
EOS is a technology demonstrator, designed to explore the capabilities of hybrid event detection technology, leveraging both Cherenkov and scintillation light simultaneously. With fiducial mass four tons, operate in high-precision regime, with sufficient size utilize time-of-flight information for full reconstruction, flexibility demonstrate range cutting edge technologies, simplicity design facilitate potential future deployment at alternative sites. Results from can inform neutrino...
This article describes the physics and nonproliferation goals of WATCHMAN, WAter Cherenkov Monitor for ANtineutrinos. The baseline WATCHMAN design is a kiloton scale gadolinium-doped (Gd) light water detector, placed 13 kilometers from civil nuclear reactor in United States. In its first deployment phase, will be used to remotely detect change operational status reactor, providing first- ever demonstration potential large Gd-doped detectors remote monitoring future international...
The recent development of Water-based Liquid Scintillator (WbLS), and the concurrent high-efficiency high-precision-timing light sensors, has opened up possibility for a new kind large-scale detector capable very broad program physics. would include determination neutrino mass hierarchy observation CP violation with long-baseline neutrinos, searches proton decay, ultra-precise solar measurements, geo- supernova neutrinos including diffuse antineutrinos, neutrinoless double beta decay. We...
The R&D mission of the Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is described in detail. ANNIE is: (1) an important measurement neutrino-nucleus interactions focusing specifically on neutron production, and (2) effort focused using new photodetector technology chemical additives to make advanced water-base neutrino detectors. experiment consists a small Water Cherenkov detector, instrumented with both conventional photomultiplier tubes (PMTs) Large Area Picosecond...
The Large Area Picosecond Photodetector Collaboration is developing large-area fast photodetectors with time resolution ≲10 ps and space ≲1 mm based on atomic layer deposition-coated glass Micro-Channel Plates (MCPs). We have assembled a facility at Argonne National Laboratory for characterizing the performance of wide variety microchannel plate configurations anode structures in approaching complete detector systems. consists pulsed Ti:Sapphire laser pulse duration ≈100 fs, an optical...
Neutron tagging in Gadolinium-doped water may play a significant role reducing backgrounds from atmospheric neutrinos next generation proton-decay searches using megaton-scale Water Cherenkov detectors. Similar techniques might also be useful the detection of supernova neutrinos. Accurate determination neutron efficiencies will require detailed understanding number neutrons produced by neutrino interactions as function momentum transferred. We propose Atmospheric Neutrino Interaction...
We discuss here new, enabling technologies for future photon-based neutrino detectors. These touch nearly every aspect of such detectors: new scintillating materials, methods loading isotopes, photon sensors and collectors, approaches to simulation analysis, front-end electronics DAQ ideas. Of particular interest are that enable broad physics programs in hybrid Cherenkov/scintillation detectors, as slow fluors, water-based liquid scintillator, spectral sorting photons. Several large-scale...
The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) aims to make a unique measurement of neutron yield from neutrino-nucleus interactions and perform R&D for the next generation water-based neutrino detectors. In this paper, we characterize beam-induced backgrounds in experimental hall at Fermi National Laboratory. It is shown that background levels are sufficiently low allow stage experiment proceed. These measurements relevant other Booster Beam (BNB) experiments located...
We demonstrate a cost-effective and robust route to fabricate large-area microchannel plate (MCP) detectors, which will open new potential in larger area MCP-based detector technologies. For the first time, using our newly developed process flow we have fabricated large (8"x8") MCPs. used atomic layer deposition (ALD), powerful thin film technique, tailor electrical resistance secondary electron emission (SEE) properties of area, low cost, borosilicate glass capillary arrays. The self...
The Large Area Pico-second Photo-detectors described in this contribution incorporate a photo-cathode and borosilicate glass capillary Micro-Channel Plate (MCP) pair functionalized by atomic layer deposition (ALD) of separate resistive electron secondary emitters materials. They may be used for biomedical imaging purposes, remarkable opportunity to apply technologies developed HEP having the potential make major advances medical world, particular Positron Emission Tomography (PET). If...
Neutron tagging in Gadolinium-doped water may play a significant role reducing backgrounds from atmospheric neutrinos next generation proton-decay searches using megaton-scale Water Cherenkov detectors. Similar techniques might also be useful the detection of supernova neutrinos. Accurate determination neutron efficiencies will require detailed understanding number neutrons produced by neutrino interactions as function momentum transferred. We propose Atmospheric Neutrino Interaction...
Microchannel plate photomultiplier tubes (MCP-PMTs) are compact imaging detectors, capable of micron-level spatial and timing measurements with resolutions well below 10 picoseconds. The Large Area Picosecond Photodetector Collaboration (LAPPD) is developing techniques for fabricating 8"x8", thin, planar, glass-body MCP-PMTs at costs comparable to traditional PMTs. between the High Energy Physics Division Advanced Photon Source (APS) Argonne National Laboratory (ANL) has produced an advanced...
We propose to use a higher-frequency rf bunch structure for the primary proton beam on target and precision timing select different energy flavor spectra from wide-band neutrino beam, based relative arrival times of neutrinos with respect structure. This ``stroboscopic'' approach is complementary techniques that angle axis. A timing-based allows selection varying same on-axis detector, applies equally both near far detectors in an oscillation experiment. Energy discrimination produced by...