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2024

Drozdov A. Y., H. J. Allison, A. A. Saikin, Q. Schiller, D. Wang, (2024), Distribution of Seed Electron Phase Space Density Minima in Earth’s Radiation Belts, Geophysical Research Letters, 51, e2023GL108028, doi:10.1029/2023GL108028

2023

Drozdov A. Y., H. J. Allison, Y. Y. Shprits, M. E. Usanova, A. Saikin, D. Wang, (2023), Minima in Phase Space Density, GEM Summer Workshop 2023, June 11-16, 2023

Drozdov A. Y., H. J. Allison, Y. Y. Shprits, M. E. Usanova, D. Wang, Q. Shiller, A. Saikin, A. Jaynes, D. Kondrashov, (2023), Loss and Acceleration of multi-MeV Electrons and Their Corresponding Dynamic of Phase Space Density Profiles, (invited), Isradynamics 2023, Dead Sea, Israel

Drozdov A. Y., H. J. Allison, Y. Y. Shprits, M. E. Usanova, D. Wang, Q. Shiller, A. Saikin, A. Jaynes, D. Kondrashov, (2023), Loss and Acceleration of Radiation Belts Electrons and Corresponding Dynamic of Phase Space Density Profiles, Space Physics Seminars, Rice University, November, 2023

Haas B., Y. Y. Shprits, H. J. Allison, M. Wutzig, D. Wang, (2023), A missing dusk-side loss process in the terrestrial electron ring current, Sci. Rep., 13, 970, doi:10.1038/s41598-023-28093-2

Shprits Y. Y., I. Michaelis, D. Wang, H. Allison, R. Vasile, A. Runov, A. Drozdov, C. T. Russell, V. Kalegaev, A. Smirnov, (2023), MLT Dependence of Relativistic Electron Scattering Into the Drift Loss Cone: Measurements From ELFIN-L on Board Lomonosov Spacecraft, Geophysical Research Letters, 50, e2023GL103342, doi:10.1029/2023GL103342

Shprits Y., H. Allison, A. Drozdov, D. Wang, (2023), The controlling effect of the cold plasma density over the acceleration and loss of ultra‑relativistic electrons, EGU General Assembly 2023, EGU General Assembly Conference Abstracts, EGU-3482, doi:10.5194/egusphere-egu23-3482

Shprits Y. Y., I. Michaelis, D. Wang, H. J. Allison, R. Vasile, A. Runov, A. Y. Drozdov, C. T. Russell, V. V. Kalegaev, A. Smirnov, (2023), MLT dependence of relativistic electron scattering into the drift loss cone: Measurements from ELFIN-L on board Lomonosov spacecraft, Authorea Preprints, doi:10.22541/essoar.167898506.66955560/v1

Turner D. L., G. Clark, W. Li, S. Ukhorskiy, L. Blum, I. J. Cohen, P. Kollmann, B. Marshall, G. Berland, A. Y. Drozdov, W. Dunn, G. Hospodarsky, R. Kraft, X. Li, M. Looper, B. Mauk, Q. N{‘e}non, T. P. O’Brien, E. Roussos, H. T. Smith, K. Sorathia, P. Williams, X. Wu, O. Agapitov, J. Albert, H. Allison, D. Baker, J. B. Blake, J. Bortnik, A. Breneman, S. Bourdarie, S. Claudepierre, G. DiBraccio, S. Elkington, J. Fennell, M. Fok, D. Gershman, S. Glauert, J. Halekas, D. Hartley, R. Horne, M. Hudson, A. Kellerman, C. Kletzing, B. Kurth, L. Lanzerotti, Q. Ma, D. Malaspina, A. Masters, N. Meredith, Y. Miyoshi, Y. Omura, V. Pinto, G. Reeves, J. Ripoll, C. Rodger, T. Sarris, R. Selesnick, Y. Shprits, A. Sicard, H. Spence, W. Tu, M. Usanova, E. Woodfield, J. Wygant, H. Zhao, (2023), Cross-scale physics and the acceleration of particles in collisionless plasmas throughout the Heliosphere and beyond: III. Radiation belts, Bulletin Of The American Astronomical Society, 400, doi:10.3847/25c2cfeb.7637306e

2022

ALLISON H., Y. SHPRITS, D. WANG, M. WUTZIG, R. HORNE, S. GLAUERT, A. DROZDOV, (2022), Passing the Alfven Layer by Means of Chorus Acceleration, (invited), AOGS 2022

Drozdov A. Y., H. J. Allison, Y. Y. Shprits, M. E. Usanova, A. Saikin, D. Wang, (2022), Depletions of Multi-MeV Electrons and Their Association to Minima in Phase Space Density, Geophysical Research Letters, 49, e2021GL097620, doi:10.1029/2021GL097620, e2021GL097620 2021GL097620

Drozdov A. Y., H. J. Allison, Y. Y. Shprits, M. E. Usanova, A. Saikin, D. Wang, (2022), Depletions of Multi-MeV Electrons and Their Association to Minima in Phase Space Density, GEM Summer Workshop 2022, June 19-26, 2022

DROZDOV A., M. USANOVA, M. HUDSON, H. ALLISON, Y. SHPRITS, D. WANG, (2022), The Role of Hiss, Chorus and EMIC Waves in the Modeling of the Dynamics of the Multi-MeV Radiation Belt Electrons, AOGS 2022

Drozdov A., M. Usanova, M. Hudson, H. Allison, Y. Shprits, (2022), The role of hiss, chorus and EMIC waves in the modeling of the dynamics of the multi-MeV radiation belt electrons, 44rd COSPAR Scientific Assembly, 16 July – 24 July, 2022, Athens, Greece

Drozdov A. Y., L. W. Blum, M. Hartinger, H. Zhao, S. Lejosne, M. K. Hudson, H. J. Allison, L. Ozeke, A. N. Jaynes, (2022), Radial Transport Versus Local Acceleration: The Long-Standing Debate, Earth And Space Science, 9, e2022EA002216, doi:10.1029/2022EA002216, e2022EA002216 2022EA002216

Lejosne S., H. J. Allison, L. W. Blum, A. Y. Drozdov, M. D. Hartinger, M. K. Hudson, A. N. Jaynes, L. Ozeke, E. Roussos, H. Zhao, (2022), Differentiating Between the Leading Processes for Electron Radiation Belt Acceleration, Frontiers In Astronomy And Space Sciences, 9, doi:10.3389/fspas.2022.896245

Shprits Y., H. Allison, A. Drozdov, D. Wang, N. Aseev, M. Usanova, (2022), A new population of energetic particles discovered by the REPT instrument on board the Van Allen Probes satellites, 44rd COSPAR Scientific Assembly, 16 July – 24 July, 2022, Athens, Greece

Shprits Y., H. J. Allison, D. Wang, A. Drozdov, (2022), The controlling effect of the cold plasma density over theacceleration and loss of ultra-relativistic electrons, AGU 2022 Fall Meeting, SM13A-09

Shprits Y. Y., H. J. Allison, D. Wang, A. Drozdov, M. Szabo-Roberts, I. Zhelavskaya, R. Vasile, (2022), A New Population of Ultra-Relativistic Electrons in the Outer Radiation Zone, J. Geophys. Res. [Space Physics], 127, e2021JA030214, doi:10.1029/2021JA030214, e2021JA030214 2021JA030214

Smirnov A., Y. Shprits, H. Allison, N. Aseev, A. Drozdov, P. Kollmann, D. Wang, A. A. Saikin, (2022), Storm-Time Evolution of the Equatorial Electron Pitch Angle Distributions in Earth’s Outer Radiation Belt, Frontiers In Astronomy And Space Sciences, 9, doi:10.3389/fspas.2022.836811

Smirnov A., Y. Shprits, H. Allison, N. Aseev, A. Drozdov, P. Kollmann, D. Wang, A. Saikin, (2022), Equatorial electron pitch angle distributions in Earth’s outer radiation belt: Storm-time evolution and empirical modeling, EGU General Assembly 2022, Vienna, Austria, 23–27 May 2022, doi:10.5194/egusphere-egu22-7732

Smirnov A., Y. Y. Shprits, H. Allison, N. Aseev, A. Drozdov, P. Kollmann, D. Wang, A. Saikin, (2022), An Empirical Model of the Equatorial Electron Pitch Angle Distributions in Earth’s Outer Radiation Belt, Space Weather, 20, e2022SW003053, doi:10.1029/2022SW003053

Wang D., Y. Y. Shprits, O. V. Agapitov, A. Drozdov, H. J. Allison, T. Lepage, Y. Miyoshi, Y. Kasahara, B. Haas, J. D. Menietti, A. Saikin, Y. Hao, I. Shinohara, A. Matsuoka, A. Kumamoto, S. Matsuda, F. Tsuchiya, S. Nakamura, (2022), The Distribution and the Effect of Chorus Waves in the Earth’s and the Jupiter’s Radiation Belts, AGU 2022 Fall Meeting, SM56B-01

2021

Allison H., Y. Shprits, M. Wutzig, D. Wang, A. Drozdov, (2021), Passing the Alfven Layer by Means of Chorus Acceleration, AGU 2021 Fall Meeting, SM23B-01

Allison H. J., Y. Y. Shprits, I. S. Zhelavskaya, D. Wang, A. G. Smirnov, (2021), Gyroresonant wave-particle interactions with chorus waves during extreme depletions of plasma density in the Van Allen radiation belts, Science Advances, 7, doi:10.1126/sciadv.abc0380

Allison H., M. Hudson, A. Jaynes, S. Lejosne, L. Ozeke, (2021), Panel discussion: Radial Transport vs. Local Acceleration: The Long-standing Debate, Virtual GEM Summer Workshop 2021, July 25-30, 2021

Castillo Tibocha A. M., Y. Shprits, N. Aseev, H. Allison, A. Smirnov, A. Drozdov, (2021), Can we intercalibrate satellite measurements by means of data assimilation? An attempt on LEO satellites, AGU 2021 Fall Meeting, SA12A-03

Drozdov A. Y., H. J. Allison, Y. Y. Shprits, M. E. Usanova, A. Saikin, D. Wang, M. Szabo-Roberts, (2021), Observations of multi-MeV electron flux depletion and their relation to the minima in phase space density, AGU 2021 Fall Meeting

Drozdov A. Y., H. J. Allison, Y. Y. Shprits, M. E. Usanova, D. Wang, (2021), Minima in phase space density and how they relate to the multi-MeV electron radiation belt depletions, SPARTHRB, UCLA

Drozdov A., Y. Shprits, N. Aseev, M. Usanova, F. Effenberger, H. Allison, A. Saikin, I. Zhelavskaya, (2021), Depletion of multi-MeV electrons and its relation to the minima in phase space density, 43rd COSPAR Scientific Assembly, Sydney, Australia, 28 Jan – 04 Feb 2021

Drozdov A. Y., H. J. Allison, Y. Y. Shprits, S. R. Elkington, N. A. Aseev, (2021), 3-D VERB code simulations with different DLL, Virtual GEM Summer Workshop 2021, July 25-30, 2021

Drozdov A. Y., H. J. Allison, Y. Y. Shprits, S. R. Elkington, N. A. Aseev, (2021), 1-D and 3-D VERB code simulations with different DLL, Virtual GEM Summer Workshop 2021, July 25-30, 2021

Drozdov A. Y., H. J. Allison, Y. Y. Shprits, S. R. Elkington, N. A. Aseev, (2021), A Comparison of Radial Diffusion Coefficients in 1-D and 3-D Long-Term Radiation Belt Simulations, SPARTHRB, UCLA

Drozdov A. Y., H. J. Allison, Y. Y. Shprits, S. R. Elkington, N. A. Aseev, (2021), A Comparison of Radial Diffusion Coefficients in 1-D and 3-D Long-Term Radiation Belt Simulations, J. Geophys. Res. [Space Physics], 126, e2020JA028707, doi:10.1029/2020JA028707, e2020JA028707 2020JA028707

Drozdov A., H. Allison, Y. Shprits, M. Usanova, A. Saikin, (2021), Minima in phase space density and how they relate to the multi-MeV electron radiation belt depletions, (invited), Iceaa-ieee Apwc-usnc URSI RSM 2021, August 9-13, 2021

Shprits Y., H. Allison, A. Drozdov, D. Wang, N. Aseev, I. Zhelavskaya, M. Usanova, (2021), Acceleration and Loss of Ultra-relativistic Electrons in the Earth Van Allen Radiation Belts, EGU General Assembly 2021, EGU General Assembly Conference Abstracts, EGU21-3120

Shprits Y., A. Drozdov, H. Allison, N. Aseev, (2021), Unusual behavior of the ultra-relativistic electron radiation belts revealed by Van Allen Probes observations, 43rd COSPAR Scientific Assembly, Sydney, Australia, 28 Jan – 04 Feb 2021

SHPRITS Y., H. ALLISON, A. DROZDOV, D. WANG, N. ASEEV, I. ZHELAVSKAYA, M. USANOVA, (2021), Acceleration and Loss of Ultra-relativistic Electrons in the Earth Van Allen Radiation Belts, (invited), AOGS 2021

Shprits Y., H. Allison, A. Drozdov, D. Wang, N. Aseev, I. Zhelavskaya, M. Usanova, (2021), Controlling Effect of the Cold Plasma Density on Acceleration and Loss of Electrons at Ultra-Relativistic Energies, AGU 2021 Fall Meeting, SM12A-02

Smirnov A., Y. Shprits, H. Allison, N. Aseev, A. Drozdov, P. Kollmann, (2021), Storm-time evolution and empirical modelling of the equatorial electron pitch angle distributions in Earth’s outer radiation belt, AGU 2021 Fall Meeting, SM15B-1958

Smirnov A., Y. Shprits, H. Allison, N. Aseev, A. Drozdov, P. Kollmann, (2021), Equatorial electron pitch angle distributions in Earth’s radiation belts and ring current: Van Allen Probes observations, 43rd COSPAR Scientific Assembly, Sydney, Australia, 28 Jan – 04 Feb 2021

Smirnov A., E. Kronberg, F. Effenberger, G. Reeves, S. Morley, Y. Shprits, N. Aseev, I. Zhelavskaya, M. Carver, H. Allison, M. Berrendorf, (2021), Medium energy electron flux in Earth’s outer radiation belt (MERLIN): a machine learning model from GPS data, 43rd COSPAR Scientific Assembly, 1086

Szabó-Roberts M., Y. Y. Shprits, H. J. Allison, R. Vasile, A. G. Smirnov, N. A. Aseev, A. Y. Drozdov, Y. Miyoshi, S. G. Claudepierre, S. Kasahara, S. Yokota, T. Mitani, T. Takashima, N. Higashio, T. Hori, K. Keika, S. Imajo, I. Shinohara, (2021), Preliminary Statistical Comparisons of Spin-Averaged Electron Data From Arase and Van Allen Probes Instruments, J. Geophys. Res. [Space Physics], 126, e2020JA028929, doi:10.1029/2020JA028929, e2020JA028929 2020JA028929

Wang D., Y. Shprits, A. Drozdov, N. Aseev, I. Zhelavskaya, A. Castillo, H. Allison, S. Cervantes Villa, F. Effenberger, (2021), Simulations of the Relativistic Radiation Belt Electrons Using the VERB-3D Code, EGU General Assembly 2021, EGU General Assembly Conference Abstracts, EGU21-3802

2020

Allison H. J., Y. Y. Shprits, (2020), Local heating of radiation belt electrons to ultra-relativistic energies, Nature Communications, 11, doi:10.1038/s41467-020-18053-z

Cervantes Villa S., Y. Y. Shprits, N. A. Aseev, H. J. Allison, (2020), Quantifying the Effects of EMIC Wave Scattering and Magnetopause Shadowing in the Outer Electron Radiation Belt by Means of Data Assimilation, J. Geophys. Res. [Space Physics], 125, e2020JA028208, doi:10.1029/2020JA028208, e2020JA028208 10.1029/2020JA028208

Drozdov A. Y., M. E. Usanova, M. Hudson, H. J. Allison, Y. Y. Shprits, (2020), The role of hiss, chorus and EMIC waves in the modeling of the dynamics of the multi-MeV radiation belt electrons, Virtual GEM Summer Workshop 2020, July 20-23, 2020

Drozdov A., Y. Shprits, N. Aseev, M. Usanova, H. Allison, A. Saikin, I. Zhelavskaya, (2020), Minima in phase space density and how they relate to the multi-MeV electron radiation belt depletions, AGU 2020 Fall Meeting

Drozdov A., H. Allison, Y. Shprits, N. Aseev, (2020), A Comparison of Radial Diffusion Coefficients in 1-D and 3-D Long-Term Radiation Belt Simulations, EGU General Assembly 2020, EGU General Assembly Conference Abstracts, 17757

Drozdov A. Y., M. E. Usanova, M. K. Hudson, H. J. Allison, Y. Y. Shprits, (2020), The Role of Hiss, Chorus, and EMIC Waves in the Modeling of the Dynamics of the Multi-MeV Radiation Belt Electrons, J. Geophys. Res. [Space Physics], 125, e2020JA028282, doi:10.1029/2020JA028282, e2020JA028282 2020JA028282

Shprits Y., H. Allison, A. Drozdov, D. Wang, N. Aseev, I. Zhelavskaya, M. Usanova, (2020), Acceleration and Loss of Ultra-relativistic Electrons in the Earth Van Allen Radiation Belts, AGU 2020 Fall Meeting

Smirnov A. G., M. Berrendorf, Y. Y. Shprits, E. A. Kronberg, H. J. Allison, N. A. Aseev, I. S. Zhelavskaya, S. K. Morley, G. D. Reeves, M. R. Carver, F. Effenberger, (2020), Medium Energy Electron Flux in Earth’s Outer Radiation Belt (MERLIN): A Machine Learning Model, Space Weather, 18, e2020SW002532, doi:10.1029/2020SW002532, e2020SW002532 10.1029/2020SW002532

Szabo-Roberts M., Y. Shprits, H. Allison, A. Smirnov, N. Aseev, R. Vasile, Y. Miyoshi, T. Mitani, N. Higashio, S. Kasahara, (2020), Statistical Comparisons of Spin-Averaged Electron Flux from ARASE and Van Allen Probes Instruments, (poster), AGU 2020 Fall Meeting

Wutzig M., Y. Shprits, N. Aseev, I. Michaelis, H. Allison, R. Vasile, (2020), Using the VERB-4D code for forecasting Earth’s radiation belt and ring current electron dynamics, (invited), AGU 2020 Fall Meeting

2019

Allanson O., C. E. Watt, H. Ratcliffe, N. P. Meredith, H. J. Allison, S. N. Bentley, T. Bloch, S. A. Glauert, (2019), Particle-in-cell Experiments Examine Electron Diffusion by Whistler-mode Waves: 1. Benchmarking With a Cold Plasma, J. Geophys. Res. [Space Physics], 124, 8893-8912, doi:10.1029/2019JA027088

Stallard T., K. Baines, T. Bradley, L. Moore, J. O’Donoghue, S. Miller, M. Chowdhury, S. Badman, H. Allison, E. Roussos, (2019), Local-time averaged maps of H 3 + emission, temperature and ion winds, Philosophical Transactions Of The Royal Society A: Mathematical Physical And Engineering Sciences, 377, 20180405, doi:10.1098/rsta.2018.0405

Watt C. E., H. J. Allison, N. P. Meredith, R. L. Thompson, S. N. Bentley, I. J. Rae, S. A. Glauert, R. B. Horne, (2019), Variability of Quasilinear Diffusion Coefficients for Plasmaspheric Hiss, J. Geophys. Res. [Space Physics], 124, 8488-8506, doi:10.1029/2018JA026401