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November 2019
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  1. Instrumentation Division Seminar

    "Experimental Equipment Needs for the Electron-Ion Collider"

    Presented by Elke-Caroline Aschenauer, Brookhaven National Laboratory

    Wednesday, October 16, 2019, 12:30 pm
    Large Conference Room, Bldg. 535

    Hosted by: Gabriella Carini

    In this talk the experimental equipment needed to fully realize the scientific promise for the electron-ion collider will be discussed in detail, further the challenges and opportunities for new developments in collaboration with the EIC User Community will be outlined.

  2. Instrumentation Division Seminar

    "A Roadmap for the Best PMTs and SiPM in Physics Research"

    Presented by Razmik Mirzoyan, Max Planck Institute for Physics, Germany

    Wednesday, January 23, 2019, 2:30 pm
    Large Conference Room, Bldg. 535

    Photomultiplier Tubes (PMT) are the most wide spread detectors for measuring fast and faint light signals. In cooperation with the companies Hamamatsu Photonics K.K. (Japan) and Electron Tubes Enterprises Ltd. (England) we pursued an improvement program for the PMTs for the Cherenkov Telescope Array (CTA) project. CTA is the next major Imaging Atmospheric Cherenkov Telescopes (IACT) array for ground-based very high energy gamma-ray astrophysics. A total of ∼100 telescopes of sizes of 23m, 12m and 4m in diameter will be built in northern and southern hemispheres. The manufacturers succeeded producing 1.5′ PMTs of enhanced peak quantum efficiency of ∼38-42 % and after pulsing below 0.02% (threshold ≥ 4 photoelectrons). The novel 1.5′ PMTs have the world-wide best parameters. It is interesting to compare the performance of PMTs with the current generation of SiPMs. In the imaging camera of the MAGIC IACT, consisting of 1039 PMTs, since many months we are operating composite clusters of SiPMs from the three well-known manufacturers. A critical comparison of these two types of sensors will be presented. Prospects for further significant improvements of PMTs and SiPMs will be discussed, also in the frame of the supported by the EU SENSE Roadmap for the best fast light sensors.

  3. Instrumentation Division Seminar

    "Timing circuits for high-energy physics applications"

    Presented by Jeffrey Prinzie, KU Leuven University, Belgium

    Friday, January 18, 2019, 11 am
    Large Conference Room, Bldg. 535

    In the era of complex systems on chip (SoCs), clock and timing generation is required in nearly any application. These timing generators supply clock signals to digital modules, act as heartbeats for serial communication links or provide picosecond accurate reference information to time-interval sensors. Phase Locked Loops are the main building block that provide clock signals. However, in the high-energy physics community, ionizing radiation effects degrade these circuits significantly and produce soft-errors which can disturb an entire system. In this seminar, the application of these timing blocks in the high-energy physics are discussed together with the mitigation techniques for ionizing radiation.

  4. Instrumentation Division Seminar

    "Data Acquisition Systems for High-Speed and High-Dynamic Range Pixel Array Detectors"

    Presented by Prafull Purohit, Cornell University

    Friday, December 28, 2018, 10:30 am
    Large Conference Room, Bldg. 535

    Pixel array detectors (PADs) have seen significant increase in performance and operational complexity in recent years due to advances in microelectronics technology and photon science needs. These advances in detector technology put equal complexity and performance requirements on the data acquisition and control systems for successful operation. A Field Programmable Gate Array (FPGA) with its high-speed processing and reconfiguration capabilities can be utilized to meet current requirements and future needs. In this talk, I will present some of the recent work done at Cornell University on FPGA-based data acquisition systems for high-speed, high dynamic range detectors as well as detectors for time resolved experiments.

  5. Instrumentation Division Seminar

    "Recent Developments in Waveform Sampling and Digitizing Front-Ends for Radiation Detection Offered by Nalu Scientific"

    Presented by Benjamin Rotter, Nalu Scientific, LLC

    Thursday, December 13, 2018, 11 am
    Large Conference Room, Bldg. 535

    We will discuss recent progress in Nalu Scientific's portfolio of waveform sampling and digitizing Application Specific Integrated Circuits. With recent developments in particle physics detector performance and channel density, there is a need for readout electronics that match such capabilities. The new pixelated high-density light detectors such as the latest MCP-PMTs (Micro Channel Plate Photo-Multiplier Tubes) or SiPM (Silicon Photo Multiplier) arrays may require tens to hundreds of analog channels per centimeter-squared surface. Traditional methods rely on analog cabling to bring those signals out to readout electronics, which introduce issues including noise, power, cost and space. As a solution, we propose full waveform sampling combined with region of interest readout and System-on-Chip (SOC) calibration and feature extraction to reduce the footprint of the readout electronics and bring them as close to the detector as possible. Such SoCs will be flexible enough to combine most readout functionality into one chip and eliminate the costly FPGAs. There will be less complexity in operating and planning the system, while power consumption is reduced due to removal of analog amplifiers and reduced digital serial lines. The Nalu Scientific team is currently working on a portfolio of SoCs at various CMOS technology nodes covering a variety of timing resolutions and channel density. We will present the latest developments, discuss performance and the upcoming release dates of such products.

  6. Instrumentation Division Seminar

    "The Problems with Photoguns"

    Presented by Matt Poelker, Jefferson National Accelerator Facility

    Thursday, November 29, 2018, 11 am
    Large Conference Room, Bldg. 535

    Although the field has advanced considerably over decades, improving the performance of DC high voltage photoguns can be painfully slow and frustrating, especially when attempting to advance the state of the art. At the Jefferson Accelerator Facility, the gun group has adopted a photogun design with inverted-insulator geometry as a means to reach higher operating voltages while also improving gun vacuum and photocathode lifetime. This talk describes ongoing photogun projects at Jefferson Lab, highlighting some recent successes but also describing efforts that corrected one problem and introduced another.

Currently showing seminars from the past year. See all past seminars »

There are no conferences scheduled at this time.

  1. Belle II Summer School 2019

    July 29 - August 2, 2019

  2. CARE 2015: Career Advancement in a Research Environment

    March 10, 2015

  3. 7th International Meeting on Front-End Electronics

    May 18-21, 2009