Staff information
Ben Loer
Physicist
Pacific Northwest National Laboratory
PO Box 999
MSIN: J5-20
Richland, WA 99352
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PNNL Publications
2025
- Albakry M.F., I. Alkhatib, D. Alonso, D.W. Amaral, J. Anczarski, T. Aralis, and T. Aramaki, et al. 2025. "Light Dark Matter Constraints from SuperCDMS HVeV Detectors Operated Underground with an Anticoincidence Event Selection." Physical Review D 111, no. 1:Art. No. 012006. PNNL-SA-200291. doi:10.1103/PhysRevD.111.012006
2024
- Fowler J.W., P. Szypryt, R.A. Bunker, E.R. Edwards, I. Fogarty Florang, J. Gao, and A. Giachero, et al. 2024. "Spectroscopic measurements and models of energy deposition in the substrate of quantum circuits by natural ionizing radiation." PRX Quantum 5, no. 4:Art No. 40323. PNNL-SA-197013. doi:10.1103/PRXQuantum.5.040323
- Loer B.M., P. Harrington, B.C. Archambault, E.S. Fuller, B.D. Pierson, I.J. Arnquist, and K. Harouaka, et al. 2024. "Abatement of Ionizing Radiation for Superconducting Quantum Devices." Journal of Instrumentation 19, no. 9:Art. No. P09001. PNNL-SA-195572. doi:10.1088/1748-0221/19/09/P09001
- Sharma Poudel S., B.M. Loer, R.N. Saldanha, B.R. Hackett, and H.O. Back. 2024. "Subsurface cosmogenic and radiogenic production of 42Ar." Physical Review D 10, no. 8:Art. No. 082010. PNNL-SA-189139. doi:10.1103/PhysRevD.110.082010
2023
- Albakry M.F., I. Alkhatib, D. Alonso, D.W. Amaral, T. Aralis, T. Aramaki, and I.J. Arnquist, et al. 2023. "First measurement of the nuclear-recoil ionization yield in silicon at 100 eV." Physical Review Letters 131, no. 9:Art. No. 091801. PNNL-SA-186011. doi:10.1103/PhysRevLett.131.091801
- Albakry M.F., I. Alkhatib, D. Alonso, D.W. Amaral, T. Aralis, T. Aramaki, and I.J. Arnquist, et al. 2023. "Search for Low-mass Dark Matter via Bremsstrahlung Radiation and the Migdal Effect in SuperCDMS." Physical Review D 107, no. 11:112013. PNNL-SA-172121. doi:10.1103/PhysRevD.107.112013
- Kelsey M.H., R. Agnese, Y. Alam, I. Ataee Langroudy, E. Azadbakht, D. Brandt, and R.A. Bunker, et al. 2023. "G4CMP: Condensed Matter Physics Simulation Using the Geant4 Toolkit." Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1055. PNNL-SA-182030. doi:10.1016/j.nima.2023.168473
- Sharma Poudel S., B.M. Loer, R.N. Saldanha, H.O. Back, and B.R. Hackett. 2023. "Low-Radioactivity Argon for Rare-Event Searches." In Low Radioactivity Technique (LRT 2022) Proceedings of the 8th International Workshop on Low Radioactivity Techniques, June 14-17, 2022, Rapid City, IA., AIP Proceedings, edited by J. Heise and R.W. Schnee, 2908, Paper No. 100004. Melville, New York:AIP Publishing. PNNL-SA-176852. doi:10.1063/5.0161208
2022
- Albakry M.F., I. Alkhatib, D.W. Amaral, T. Aralis, T. Aramaki, I.J. Arnquist, and I. Ataee Langroudy, et al. 2022. "Investigating the sources of low-energy events in a SuperCDMS-HVeV detector." Physical Review D 105, no. 11:Art. No. 112006. PNNL-SA-172447. doi:10.1103/PhysRevD.105.112006
- Johns J.M., B.C. Archambault, B.E. Bernacki, K.C. Gorecke, T.W. Hossbach, M.S. Hughes, and E.J. Krogstad, et al. 2022. Detection of Marine Borne Radioactive Sources Report. PNNL-33516. Richland, WA: Pacific Northwest National Laboratory. Detection of Marine Borne Radioactive Sources Report
- Wilson J.S., H. Meyer zu Theenhausen, B. Von Krosigk, E. Azadbakht, R.A. Bunker, J. Hall, and S. Hansen, et al. 2022. "The level-1 trigger for the SuperCDMS experiment at SNOLAB." Journal of Instrumentation 17, no. 7:Art. No. P07010. PNNL-SA-171054. doi:10.1088/1748-0221/17/07/P07010
2021
- Alkhatib I., D.W. Amaral, T. Aralis, T. Aramaki, I.J. Arnquist, I. Ataee Langroudy, and E. Azadbakht, et al. 2021. "Constraints on Lightly Ionizing Particles from CDMSlite." Physical Review Letters 127, no. 8:081802. PNNL-SA-157645. doi:10.1103/PhysRevLett.127.081802
- Alkhatib I., D.W. Amaral, T. Aralis, T. Aramaki, I.J. Arnquist, I. Ataee Langroudy, and E. Azadbakht, et al. 2021. "Light Dark Matter Search with a High-Resolution Athermal Phonon Detector Operated Above Ground." Physical Review Letters 127, no. 6:061801. PNNL-SA-155137. doi:10.1103/PhysRevLett.127.061801
- Hagen A.R., B.M. Loer, J.L. Orrell, and R.N. Saldanha. 2021. "Decision Trees for Optimizing the Minimum Detectable Concentration of Radioxenon Detectors." Journal of Environmental Radioactivity 229. PNNL-SA-154711. doi:10.1016/j.jenvrad.2021.106542
- Loer B.M., B.C. Archambault, E.S. Fuller, and B.D. Pierson. 2021. A Radiation-Shielded, Shallow Underground, Long-Coherence Time Quantum Qubit Concept. PNNL-31996. Richland, WA: Pacific Northwest National Laboratory. A Radiation-Shielded, Shallow Underground, Long-Coherence Time Quantum Qubit Concept
- Orrell J.L., and B.M. Loer. 2021. "Sensor-Assisted Fault Mitigation in Quantum Computation." Physical Review Applied 16, no. 2:Article Number 024025. PNNL-SA-158581. doi:10.1103/PhysRevApplied.16.024025
2020
- Amaral D.W., T. Aralis, T. Aramaki, I.J. Arnquist, E. Azadbakht, S. Banik, and D. Barker, et al. 2020. "Constraints on low-mass, relic dark matter candidates from a surface-operated SuperCDMS single-charge sensitive detector." Physical Review D 102, no. 9:091101(R). PNNL-SA-153681. doi:10.1103/PhysRevD.102.091101
- Aralis T., T. Aramaki, I.J. Arnquist, E. Azadbakht, W. Baker, S. Banik, and D. Barker, et al. 2020. "Constraints on dark photons and axionlike particles from the SuperCDMS Soudan experiment." Physical Review D 101, no. 5:Article No. 052008. PNNL-SA-150072. doi:10.1103/PhysRevD.101.052008
- Vepsalainen A., A. Karamlou, J.L. Orrell, A. Dogra, B.M. Loer, F. Vasconcelos, and D.K. Kim, et al. 2020. "Impact of ionizing radiation on superconducting qubit coherence." Nature 584, no. 7822:551--556. PNNL-SA-150722. doi:10.1038/s41586-020-2619-8
2019
- Agnese R., T. Aralis, T. Aramaki, I.J. Arnquist, E. Azadbakht, W. Baker, and D. Barker, et al. 2019. "Production Rate Measurement of Tritium and Other Cosmogenic Isotopes in Germanium with CDMSlite." Astroparticle Physics 104. PNNL-SA-135963. doi:10.1016/j.astropartphys.2018.08.006
- Agnese R., T. Aralis, T. Aramaki, I.J. Arnquist, E. Azadbakht, W. Baker, and S. Banik, et al. 2019. "Search for Low-Mass Dark Matter with CDMSlite Using a Profile Likelihood Fit." Physical Review D 99, no. 6:Article Number 062001. PNNL-SA-139404. doi:10.1103/PhysRevD.99.062001
2018
- Aalseth C.E., F. Acerbi, P. Agnes, I. Albuquerque, T.R. Alexander, A. Alici, and A. Alton, et al. 2018. "DarkSide-20k: A 20 tonne two-phase LAr TPC for direct dark matter detection at LNGS." European Physical Journal Plus 133, no. 3:Article No. 131. PNNL-SA-134133. doi:10.1140/epjp/i2018-11973-4
- Agnes P., I. Albuquerque, T.R. Alexander, A. Alton, J.R. Araujo, D.M. Asner, and M. Ave, et al. 2018. "Constraints on Sub-GeV Dark Matter-Electron Scattering from the DarkSide-50 Experiment." Physical Review Letters 121, no. 11:Article number 111303. PNNL-SA-132745. doi:10.1103/PhysRevLett.121.111303
- Agnes P., I. Albuquerque, T.R. Alexander, A. Alton, J.R. Araujo, D.M. Asner, and M. Ave, et al. 2018. "Low-mass Dark Matter Search with the DarkSide-50 Experiment." Physical Review Letters 121, no. 8:081307. PNNL-SA-132892. doi:10.1103/PhysRevLett.121.081307
- Agnese R., A.J. Anderson, T. Aralis, T. Aramaki, I.J. Arnquist, W. Baker, and D. Balakishiyeva, et al. 2018. "Low-mass Dark Matter Search with CDMSlite." Physical Review D 97, no. 2:022002. PNNL-SA-127776. doi:10.1103/PhysRevD.97.022002
- Agnese R., T. Aralis, T. Aramaki, I.J. Arnquist, E. Azadbakht, W. Baker, and S. Banik, et al. 2018. "First Dark Matter Constraints from SuperCDMS Single-Charge Sensitive Detector." Physical Review Letters 121, no. 5:051301. PNNL-SA-134526. doi:10.1103/PhysRevLett.121.051301
- Agnese R., T. Aramaki, I.J. Arnquist, W. Baker, D. Balakishiyeva, S. Banik, and D. Barker, et al. 2018. "Results from the Super Cryogenic Dark Matter Search Experiment at Soudan." Physical Review Letters 120, no. 6:Article No. 061802. PNNL-SA-129065. doi:10.1103/PhysRevLett.120.061802
- Aralis T., R. Agnese, T. Aramaki, I.J. Arnquist, E. Azadbakht, W. Baker, and S. Banik, et al. 2018. "Energy Loss Due to Defect Formation from 206Pb Recoils in SuperCDMS Germanium Detectors." Applied Physics Letters 113, no. 9:092101. PNNL-SA-135936. doi:10.1063/1.5041457
- Stein M., D.A. Bauer, R.A. Bunker, R. Calkins, J. Cooley, B.M. Loer, and S. Scorza. 2018. "Radon Daughter Plate-out Measurements at SNOLAB for Polyethylene and Copper." Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment 880. PNNL-SA-129611. doi:10.1016/j.nima.2017.10.054
2017
- Agnes P., I. Albuquerque, T.R. Alexander, A. Alton, D.M. Asner, H.O. Back, and B. Baldin, et al. 2017. "CALIS - a Calibration Insertion System for the DarkSide-50 Dark Matter Search Experiment." Journal of Instrumentation 12, no. 12:Article No. T12004. PNNL-SA-131491. doi:10.1088/1748-0221/12/12/T12004
- Agnes P., I. Albuquerque, T.R. Alexander, A. Alton, D.M. Asner, H.O. Back, and B. Baldin, et al. 2017. "Effect of low electric fields on alpha scintillation light yield in liquid argon." Journal of Instrumentation 12, no. 1:Article No. P01021. PNNL-SA-127592. doi:10.1088/1748-0221/12/01/P01021
- Agnes P., I. Albuquerque, T.R. Alexander, A. Alton, D.M. Asner, H.O. Back, and K. Biery, et al. 2017. "Simulation of argon response and light detection in the DarkSide-50 dual phase TPC." Journal of Instrumentation 12, no. 10:Article No. P10015. PNNL-SA-131300. doi:10.1088/1748-0221/12/10/P10015
- Agnes P., I. Albuquerque, T.R. Alexander, A. Alton, K. Arisaka, D.M. Asner, and M. Ave, et al. 2017. "The Electronics, Trigger and Data Acquisition System for the Liquid Argon Time Projection Chamber of the DarkSide-50 Search for Dark Matter." Journal of Instrumentation 12, no. 12:P1201. PNNL-SA-131302. doi:10.1088/1748-0221/12/12/P12011
- Agnese R., A. Anderson, T. Aramaki, M. Asai, W. Baker, D. Balakishiyeva, and D. Barker, et al. 2017. "New Results from the Search for Low-Mass Weakly Interacting Massive Particles with the CDMS Low Ionization Threshold Experiment." Physical Review Letters 116, no. 7:Article No. 071301. PNNL-SA-126032. doi:10.1103/PhysRevLett.116.071301
- Agnese R., A.J. Anderson, T. Aramaki, I.J. Arnquist, W. Baker, D. Barker, and R. Basu Thakur, et al. 2017. "Projected Sensitivity of the SuperCDMS SNOLAB experiment." Physical Review D 95, no. 8:Article No. 082002. PNNL-SA-128797. doi:10.1103/PhysRevD.95.082002