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Lena Heffern
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The SPIDER fission fragment spectrometer for fission product yield measurements
K Meierbachtol, F Tovesson, D Shields, C Arnold, R Blakeley, ...
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2015
472015
The lunar polar hydrogen mapper (lunah-map) mission
C Hardgrove, J DuBois, L Heffern, E Cisneros, J Bell, T Crain, R Star, ...
442019
The lunar polar hydrogen mapper CubeSat mission
C Hardgrove, R Starr, I Lazbin, A Babuscia, B Roebuck, J DuBois, ...
IEEE Aerospace and Electronic Systems Magazine 35 (3), 54-69, 2020
332020
Radiation damage and annealing of three coaxial n-type germanium detectors: preparation for spaceflight missions to asteroid 16 Psyche and Mars’ moon Phobos
PN Peplowski, M Burks, JO Goldsten, S Fix, LE Heffern, DJ Lawrence, ...
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2019
102019
Gemini: A high-resolution, low-resource, gamma-ray spectrometer for planetary science applications
MT Burks, OB Drury, JO Goldsten, LB Hagler, LE Heffern, NR Hines, ...
Space Science Reviews 216, 1-23, 2020
62020
Improved hydrogen maps of the lunar south pole by the Lunar Polar Hydrogen Mapper (LunaH-Map) cubesat mission
C Hardgrove, TH Prettyman, R Starr, T Colaprete, D Drake, L Heffern, ...
51st Annual Lunar and Planetary Science Conference, 2711, 2020
42020
The GeMini plus high-purity Ge gamma-ray spectrometer: Instrument overview and science applications
DJ Lawrence, MT Burks, DH Do, S Fix, JO Goldsten, LE Heffern, ...
48th Annual Lunar and Planetary Science Conference, 2234, 2017
42017
Initial Characterization of the GeMini Plus, a High-Resolution Gamma-Ray Spectrometer for Planetary Composition Measurements
LE Heffern, MT Burks, DJ Lawrence, JO Goldsten, PN Peplowski
48th Annual Lunar and Planetary Science Conference, 2215, 2017
42017
Active neutron interrogation experiments and simulation verification using the SIngle-scintillator Neutron and Gamma-Ray spectrometer (SINGR) for geosciences
LE Heffern, CJ Hardgrove, A Parsons, EB Johnson, R Starr, G Stoddard, ...
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2021
32021
Development of the Miniature Neutron Spectrometer for the Lunar Polar Hydrogen Mapper Mission
C Hardgrove, ST West, LE Heffern, E Johnson, J Christian, R Starr, ...
49th Annual Lunar and Planetary Science Conference, 2341, 2018
32018
A Dual Planar Germanium Compton Imager
G Carosi, M Burks, L Heffern, E Hull
Proceedings of SORMA West, Oakland, CA, United States, 2012
22012
Replenishment of Near-Surface Ice by Impacts: Ceres Observations and Lunar Prospects
TH Prettyman, C Hardgrove, N Yamashita, ME Landis, N Schorghofer, ...
AGU Fall Meeting Abstracts 2019, P54A-05, 2019
12019
Active Nuclear Investigations of Planetary Surfaces with SINGR (SIngle-Scintillator Neutron and Gamma Ray Spectrometer)
LE Heffern, C Hardgrove, E Johnson, A Parsons, T Prettyman, A Jain, ...
49th Annual Lunar and Planetary Science Conference, 2249, 2018
12018
Lunar-VISE Notional Traverse Planning and Strategy
ME Landis, JP Williams, K Bennett, KL Donaldson Hanna, A Dove, ...
LPI Contributions 3040, 2345, 2024
2024
The Lunar-VISE Gamma-Ray and Neutron Spectrometer: In-Situ Elemental Measurements of the Gruithuisen Domes
C Hardgrove, T Prettyman, EB Johnson, E Weststrate, A Frost, R Blakeley, ...
LPI Contributions 3040, 2258, 2024
2024
Measuring the surface abundance of iron and nickel on the asteroid (16) Psyche in the presence of large solar particle events
M Burks, S Friedrich, J Goldsten, L Heffern, N Hines, GB Kim, ...
Planetary and Space Science 240, 105832, 2024
2024
SigmaNuPy: A Semi-Open-Source Python Toolkit for Planetary Nuclear Instrument Sensitivity Assessment using MCNP
L Heffern, CJ Hardgrove, ME Landis
AGU23, 2023
2023
LEIA: An Investigation of Radiation Risks to Biology at the Lunar South Pole
AM Settles, NN Ball, JT Broddrick, JW Chau, B Ehresmann, DM Gentry, ...
Annual Meeting of the American Society for Gravitational and Space Research …, 2023
2023
Lunar Polar Hydrogen Mapper (LunaH-Map) CubeSat Mission Launch, Early Operations and Lunar Flyby Neutron Data Collection
C Hardgrove, L Heffern, T Prettyman, R Starr, I Lazbin, E Johnson, ...
LPI Contributions 2806, 2960, 2023
2023
Time Resolved Active Neutron Simulations on Icy Bodies
L Heffern, C Hardgrove, A Parsons
AGU Fall Meeting Abstracts 2022, P55G-1669, 2022
2022
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