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    Gregory Siemers

    Graduate Intern at Oak Ridge National Laboratory

    Gregory Siemers is a PhD student in Nuclear Engineering and Science at the Department of Mechanical, Aerospace and Nuclear Engineering at Rensselaer Polytechnic Institute in Troy, NY.1 He is currently working as a Graduate Research Intern for the Nuclear Data group at Oak Ridge National Laboratory (ORNL).2

    Siemers' research focuses on new cross section measurements and evaluations of zirconium isotopes.1 His work involves:

    1. Conducting R-matrix resonance analysis on zirconium transmission data
    2. Performing eigenvalue sensitivity studies on critical benchmark experiments
    3. Developing singular SAMMY evaluation methods for resonance parameters determination2

    In 2022, Siemers completed several major accomplishments, including:

    • Data reduction of 90Zr transmission data from the 2021 ORNL/JRC-Geel experiment
    • Determining preliminary resonance parameters for 90Zr
    • Fulfilling an internship with XCP-5 at Los Alamos National Laboratory (LANL)1

    His research is supported by various organizations, including the U.S. Nuclear Regulatory Commission, the Nuclear Criticality Safety Program, Oak Ridge National Laboratory, Los Alamos National Laboratory, and Naval Nuclear Laboratory.1

    Gregory Siemers' work contributes to the field of nuclear engineering, particularly in improving nuclear data evaluations for zirconium isotopes, which are crucial for commercial light water reactors and advanced reactor concepts.1

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    Gregory Siemers
    Gregory Siemers, photo 1
    Gregory Siemers, photo 2
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    Location

    Albany, New York Metropolitan Area