Robert Harr
A5001982748- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Quantum Chromodynamics and Particle Interactions
- Particle Detector Development and Performance
- Computational Physics and Python Applications
- Medical Imaging Techniques and Applications
- Dark Matter and Cosmic Phenomena
- Cosmology and Gravitation Theories
- Neutrino Physics Research
- Particle Accelerators and Free-Electron Lasers
- Astrophysics and Cosmic Phenomena
- Radiation Detection and Scintillator Technologies
- International Science and Diplomacy
- Distributed and Parallel Computing Systems
- Black Holes and Theoretical Physics
- Gamma-ray bursts and supernovae
- CCD and CMOS Imaging Sensors
- Biofield Effects and Biophysics
- Nuclear Physics and Applications
- Superconducting Materials and Applications
- Nuclear physics research studies
- Radiation Therapy and Dosimetry
- Big Data Technologies and Applications
- Laser-Matter Interactions and Applications
- Magnetic Field Sensors Techniques
Fermi National Accelerator Laboratory
2004-2022
Wayne State University
2013-2022
Institute of High Energy Physics
2012-2022
University at Buffalo, State University of New York
2017-2022
European Organization for Nuclear Research
2014
Université Claude Bernard Lyon 1
2011
University of California, Davis
2004
Okayama University
2004
University of Helsinki
2004
Helsinki Institute of Physics
2004
We have implemented a cost-effective design for the readout electronics of both anode wires and cathode pads large area proportional wire chambers HERA-B muon system based on ASD-08 integrated circuit. To control monitor number channels, we built distributed Philips Semiconductors' I/sup 2/C bus microcontrollers. date installed about 10800 channels electronics. The average single channel noise occupancy is less than 10/sup -5/, detectors been operated with target interaction rates as high 70 MHz.
The main building block and readout unit of the planned CDF Run IIb silicon detector is a "stave," highly integrated mechanical, thermal, electrical structure. One its characteristic features copper-on-Kapton flexible cable for power, high voltage, data transmission, control signals that placed directly below microstrip sensors. dense packaging makes deadtime-less operation stave challenge since coupling bus activity into sensors must be suppressed efficiently. design relevant are discussed....
The various generations of Silicon Vertex Detectors (SVX, SVX', SVXII) for Collider Detector at Fermilab (CDF) the Tevatron have been fundamental tools heavy-flavor tagging via secondary vertex detection. CDF Run IIb (SVXIIb) has designed to be a radiation-tolerant replacement currently installed SVXII because was not expected survive luminosity anticipated IIb. One major change in new design is use single mechanical and electrical element throughout array. This element, called stave,...
The Collider Detector at Fermilab (CDF) operates in the beamline of Tevatron proton-antiproton collider Batavia, IL. is expected to undergo luminosity upgrades (Run IIb) future, resulting a higher number interactions per beam crossing. To operate this dense radiation environment, an upgrade CDF's silicon vertex detector subsystem and corresponding its VME-based DAQ system has been explored. Prototypes all Run IIb SVX components have constructed, assembled into test stand, operated...
We report on recent heavy quark results from CDF in Run II. focus a selection of mature analyses that demonstrate the capabilities experiment to extract interesting physics data. A few presented have already been submitted for publication and papers are being prepared most others.