A5103230755- Dark Matter and Cosmic Phenomena
- Astrophysics and Cosmic Phenomena
- Particle physics theoretical and experimental studies
- Neutrino Physics Research
- Particle Detector Development and Performance
- Radio Astronomy Observations and Technology
- Atomic and Subatomic Physics Research
- Gamma-ray bursts and supernovae
- Radiation Therapy and Dosimetry
- Atmospheric Ozone and Climate
- Photocathodes and Microchannel Plates
- Pulsars and Gravitational Waves Research
- Nuclear Physics and Applications
- Radioactive Decay and Measurement Techniques
- Concrete and Cement Materials Research
- Electromagnetic Compatibility and Measurements
- Radiation Detection and Scintillator Technologies
- Calibration and Measurement Techniques
- Ionosphere and magnetosphere dynamics
- X-ray Spectroscopy and Fluorescence Analysis
- Precipitation Measurement and Analysis
- Nuclear physics research studies
- High-Energy Particle Collisions Research
- Chromium effects and bioremediation
- Structural Health Monitoring Techniques
University of California, Los Angeles
2019-2023
Case Western Reserve University
2014-2023
Colorado School of Mines
2023
Istituto Nazionale di Fisica Nucleare, Sezione di Firenze
2022
Tokai University
2021
Campbell Collaboration
2019
University of Lisbon
2017
Consejo Nacional de Investigaciones Científicas y Técnicas
2016-2017
Universidad Nacional de La Plata
2016-2017
LIP - Laboratory of Instrumentation and Experimental Particle Physics
2017
The precise measurement of cosmic-ray antinuclei serves as an important means for identifying the nature dark matter and other new astrophysical phenomena, could be used with species to understand production propagation in Galaxy. For instance, low-energy antideuterons would provide a "smoking gun" signature annihilation or decay, essentially free background. Studies recent years have emphasized that models must considered together abundant cosmic antiprotons any potential observation...
Monoethanolamine (MEA) scrubbing is an energy intensive process for Carbon Capture and Sequestration (CCS) due to the regeneration of amine in stripping towers at high temperature (100-120 ºC) subsequent pressurization CO2 geologic sequestration. In this paper, we introduce a novel method, reactive hydrothermal liquid phase densification (rHLPD), which able solidify (densify) monolithic materials without using kilns. Then integrate MEA-based CCS processing mineral carbonation by rHLPD...
A densification process called reactive hydrothermal liquid‐phase ( rHLPD ), based on principles of reaction, infiltration, crystallization, and sintering, is presented. can be used to form monolithic ceramic components at low temperatures. The barium titanate–titania composite monoliths was studied demonstrate proof concept for this model. Permeable, green titania (anatase) compacts were infiltrated with aqueous hydroxide solutions reacted under conditions in the temperature range...
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The General AntiParticle Spectrometer (GAPS) is a balloon-borne cosmic-ray antimatter experiment that uses the exotic atom technique, eliminating requirement for strong B-fields used by conventional magnetic spectrometers. It will be sensitive to antideuterons with kinetic energies of 0.05-0.25 GeV / nucleon, which are highly motivated candidates indirect dark matter detection. Moreover, GAPS provide new information on antiproton spectrum from $0.07<T<0.25$ GeV. design based lithium drifted...
Low-energy cosmic ray antideuterons ($<0.25$ GeV/$n$) are a compelling, mostly uncharted channel of many viable dark matter models and benefit from highly suppressed astrophysical background. The General Antiparticle Spectrometer (GAPS) is first-of-its-kind exotic-atom-based Antarctic balloon-borne experiment specialized for detection low-energy antiprotons, antideuterons, antihelium with targeted launch in 2022. results novel technology development summary current construction status the...
The Auger@TA project is a combined effort involving members of both the Pierre Auger Observatory and Telescope Array experiment (TA) to cross-calibrate detectors compare results on air showers detected at one location. We have recently reported from Phase I project, during which we collected presented data two water Cherenkov surface detector stations deployed into TA near Central Laser Facility. For II, will deploy micro-array six or seven single-PMT co-located with scintillator stations....
We report on the first results of a unique in-situ experimental cross-calibration effort surface detector Pierre Auger Observatory and Telescope Array experiment (Auger@TA). In phase Auger@TA, we performed station-to-station comparisons for collection extensive air showers landing near setup detected by Array. Beyond deduced curve between Water-Cherenkov-based Scintillator-based TA Surface Detector stations, also investigate consistency their response individual reconstructed showers. The...
Since 2007 the Telescope Array Project (TA) and Pierre Auger Observatory (Auger) have collected extensive data sets spanning several orders of magnitude cosmic-ray spectrum. In both experiments majority is generated from surface-detector (SD) array as a result its very high duty cycle. These are then calibrated for energy with fluorescence detectors using hybrid approach. The TA use different SD station designs, giving them sensitivities to air-shower components. We seek understand...
Experiments aiming to directly detect dark matter (DM) particles have yet make robust detections, thus underscoring the need for complementary approaches such as searches new at colliders, and indirect of DM decay or annihilation signatures in photon cosmic-ray spectra. In particular, low energy (< 0.25 GeV/n) antiparticles antideuterons are strong candidates probing various models, yield these from processes can exceed conventional astrophysical background by up two orders magnitude. The...
The Pierre Auger Observatory (Auger) and the Telescope Array Project (TA) are two largest ultra-high-energy cosmic ray observatories in world. They operate Southern Northern hemispheres, respectively, at similar latitudes but with different surface detector (SD) designs. This difference design changes their sensitivity to various components of extensive air showers. over-arching goal Auger@TA working group is cross-calibrate SD arrays order identify or rule out systematic causes for apparent...
The General Antiparticle Spectrometer (GAPS) Antarctic long duration balloon mission is scheduled for launch during the austral summer of 2024-25. Its novel detection technique, based on exotic atom formation, excitation, and decay, specifically designed slow moving cosmic antiprotons antideuterons. Such antinuclei are predicted by a wide variety allowed dark matter models, as well other astrophysical theories like primordial black holes. There two main components GAPS instrument: large-area...
The Pierre Auger Observatory (Auger) and the Telescope Array Project (TA) are two largest ultra-high-energy cosmic ray (UHECR) observatories in world. One obstacle pursuing full-sky UHECR physics is apparent discrepancy flux measured by experiments. This could be due to astrophysical differences as TA observe Southern Northern skies, respectively. However, scintillation detectors used have very different sensitivity various components of extensive air showers than water-Cherenkov (WCD)...
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The Pierre Auger Observatory (Auger) in Mendoza, Argentina and the Telescope Array (TA) in Utah, USA aim at unraveling origin nature of Ultra-High Energy Cosmic Rays (UHECR). At present, there appear to be subtle differences between TA results and interpretations. Joint working groups have been established already reported preliminary findings. From an experimental standpoint, Surface Detectors (SD) both experiments makes use different detection processes not equally sensitive...
Since 2007 the Telescope Array Project (TA) and Pierre Auger Observatory (Auger) have collected extensive data sets spanning several orders of magnitude in energy cosmic-ray spectrum. In both experiments bulk is generated from surface-detector (SD) array, which energetically calibrated with fluorescence detectors using a hybrid approach. However, each experiment has implemented different SD station design, resulting sensitivities air-shower channels. Understanding these differences any...
The General AntiParticle Spectrometer (GAPS) is a balloon-borne cosmic-ray antimatter experiment that uses the exotic atom technique, eliminating requirement for strong B-fields used by conventional magnetic spectrometers. It will be sensitive to antideuterons with kinetic energies of 0.05-0.25 GeV / nucleon, which are highly motivated candidates indirect dark matter detection. Moreover, GAPS provide new information on antiproton spectrum from $0.07<T<0.25$ GeV. design based lithium drifted...
Compilation of papers presented by the GAPS Collaboration at 38th International Cosmic Ray Conference (ICRC), held July 26 through August 3, 2023 in Nagoya, Japan.