| Project/Area Number |
23K19055
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| Research Category |
Grant-in-Aid for Research Activity Start-up
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| Allocation Type | Multi-year Fund |
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| Review Section |
0203:Particle-, nuclear-, astro-physics, and related fields
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| Research Institution | High Energy Accelerator Research Organization |
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Principal Investigator |
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| Project Period (FY) |
2023-08-31 – 2025-03-31
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| Project Status |
Granted (Fiscal Year 2023)
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| Budget Amount *help |
¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2024: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2023: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Keywords | 3D detectors / Fast timing / Radiation sensors / 4D tracking / Physics instrumentation / Particle Physics / Silicon Detectors / Radiation Damage / Time resolution |
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| Outline of Research at the Start |
This project will study the potential of adding fast timing capabilities to the innermost pixel layer of future high luminosity proton-proton collider experiments. The work will focus on the performance of silicon 3D pixel detectors before and after irradiation as is relevant for future experiments.
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| Outline of Annual Research Achievements |
In the past fiscal year, discussion with detector manufacturers has resulted in a first production of 3D silicon detectors for use in fast timing applications. These include sensors of different geometries to optimize future designs. Additionally, 2 fast timing read out boards have been procured that enable measurement of the time resolution of these detectors in the lab with a radioactive source, and future measurements with a test beam. First characterization of all devices from the first batch, in terms of Capacitance-voltage and current-voltage measurements have been carried out. Time resolution measurements are now beginning and running as planned.
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| Current Status of Research Progress |
Current Status of Research Progress
2: Research has progressed on the whole more than it was originally planned.
Reason
So far the procurement of sensors and test equipment has progressed smoothly so far. Measurements are being carried out by myself and a newly hired postdoc, who will also work on simulations. Thing measurements are underway and the first results expected by summer.
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| Strategy for Future Research Activity |
Now that electrical characterization before irradiation of the 3D detectors has completed, timing measurements will be performed to compare different detector geometries. After the timing measurement, a select set of sensors will be sent to Ljubljana in Slovenia to be neutron irradiated to various fluencies. This will allow us to characterize and repeat the measurements after irradiation. Also, a test beam at CERN is planned for the fall of this year in order to better characterize the timing performance of these detectors when exposed to high energy particle beams. Finally, a full size sensor will be bump-bonded to a read out ASIC, Timepix4, in order to create the first full detector module prototype comprising a sensor with many channels and the latest in fast timing readout chips.
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