Current Grants

• Collaborative Research: ANSWERS LARGE: Solar Energetic Particles, Solar Neutrons and Modulated GCRs with Neutron Monitors and AMS: A New Space Weather Facility in Hawaii, Co-Investigator
• A Multi-spacecraft Approach to Understand the Spectral and Temporal Evolution in Large Solar Energetic Particle Events, NASA Living With a Star Program, Co-Investigator
• High-Energy Particle Acceleration by Extreme Coronal Shocks, NASA Living With a Star Program, Co-Investigator
• Tracking Mechanisms Efficiently Accelerating Charged Particles at Shocks at Multiple Heliospheric Distances out to 1.5AU, NASA Living With a Star Program, Co-Investigator
• Integrated Science Investigation of the Sun for NASA's Parker Solar Probe Mission, Co-Investigator
• NASA's Interstellar Mapping and Acceleration Probe (IMAP), Co-Investigator
• Collaborative Research: Transport Processes Affecting High-Energy Solar Energetic Particles Observed at Earth, National Science Foundation, Division of Atmospheric and Geospace Sciences, Principal Investigator
• "Our Heliospheric Shield" a NASA Drive Center, Co-Investigator
• Energetics of Solar Eruptions from the Chromosphere to the Inner Heliosphere, NASA Systems Observatory Connect Program, Co-Investigator

Current Spacecraft Involvement

• Solar Orbiter, Magnetometer Instrument, Co-Investigator
• Interstellar Mapping and Acceleration Probe (IMAP), Science Co-Investigator
• Parker Solar Probe, Integrated Science Investigation of the Sun (IS☉IS) instrument, Co-Investigator
• Advanced Composition Explorer
• Voyagers 1 & 2

Former Spacecraft Involvement

• Ulysses

Current Graduate Students

Student Collaborations/Advising

Former Students

• Xiaohang Chen, 2023 (Ph.D. PTYS)
• Tracy Esman, 2022 (Ph.D. PTYS)
• Thomas Schad, 2013 (Ph.D. PTYS)
• Fan Guo, 2012 (Ph.D. PTYS)
• Eileen Chollet, 2008 (Ph.D. PTYS)

Current Postdocs

• Ashraf Moradi

Former Postdocs

• Federico Fraschetti
• Vincent Luo
• Eleonora Puzzoni
• David Smith
• Xiaozhou Zhao

Complete publications list available from: NASA ADS Author search: Joe Giacalone

Recent refereed publications (NASA ADS): Years 2019 through June 2025

Desai, M. I., Drake, J. F., Phan, T., Yin, Z., Swisdak, M., McComas, D. J., Bale, S. D., Rahmati, A., Larson, D., Matthaeus, W. H., Dayeh, M. A., Starkey, M. J., Raouafi, N. E., Mitchell, D. G., Cohen, C. M. S., Szalay, J. R., Giacalone, J., Hill, M. E., Christian, E. R., Schwadron, N. A., McNutt, R. L., Malandraki, O., Whittlesey, P., Livi, R., & Kasper, J. C. 2025, The Astrophysical Journal. Magnetic Reconnection–driven Energization of Protons up to ∼400 keV at the Near-Sun Heliospheric Current Sheet

Singh, Manpreet, Fraschetti, Federico, & Giacalone, Joe 2025, Journal of Geophysical Research (Space Physics). Generation of Perpendicular Ion Acoustic Waves in the Ramp Region of Earth's Bow Shock in the Presence of a Flat-Top Electron Velocity Distribution

Muro, G. D., Cohen, C. M. S., Xu, Z., Leske, R. A., Christian, E. R., Cummings, A. C., De Nolfo, G., Desai, M. I., Fraschetti, F., Giacalone, J., Labrador, A., McComas, D. J., Mitchell, J. G., Mitchell, D. G., Rankin, J., Schwadron, N. A., Shen, M., Wiedenbeck, M. E., Bale, S. D., Romeo, O., & Vourlidas, A. 2025, The Astrophysical Journal. Radial Dependence of Ion Fluences in the 2023 July 17 Solar Energetic Particle Event from Parker Solar Probe to STEREO and ACE

Singh, M., Fraschetti, F., & Giacalone, J. 2025, Journal of Geophysical Research: Space Physics. Generation of perpendicular ion acoustic waves in the ramp region of earth's bow shock in the presence of a flat-top electron velocity distribution

Giacalone, Joe, Kornbleuth, M., Opher, M., Gkioulidou, M., Köta, J., Puzzoni, E., Richardson, J. D., & Zank, G. P. 2025, The Astrophysical Journal. Hybrid Simulations of Interstellar Pickup Ions at the Solar Wind Termination Shock Revisited

Kouloumvakos, A., Wijsen, N., Jebaraj, I. C., Afanasiev, A., Lario, D., Cohen, C. M. S., Riley, P., Mitchell, D. G., Ding, Z., Vourlidas, A., Giacalone, J., Chen, X., & Hill, M. E. 2025, The Astrophysical Journal. Shock and SEP Modeling Study for the 2022 September 5 SEP Event

Moradi, Ashraf & Giacalone, Joe 2025, The Astrophysical Journal. The Impact of Particle Drifts on the Flux of High-energy Solar Protons and He Ions Arriving at Earth from Compact Solar Sources

Do, Thomas M., Fraschetti, Federico, Kota, Jozsef, Giacalone, Joe, Cohen, Christina M. S., & McComas, David J. 2025, The Astrophysical Journal. Time-dependent Acceleration and Escape of Charged Particles at Traveling Shocks in the Near-Sun Environment

Powell, Erick, Opher, Merav, Bair, Ethan, Hill, Matthew, Nikoukar, Romina, Giacalone, Joe, Dialynas, Konstantinos, Richardson, John D., Brandt, Pontus C., Singer, Kelsi N., Stern, S. Alan, Provornikova, Elena, Verbiscer, Anne J., Poppe, Andrew R., Parker, Joel Wm., & New Horizons Heliospheric Team 2025, The Astrophysical Journal. Termination Shock Particle Streaming Upstream at New Horizons

Du, Senbei, Opher, Merav, Giacalone, Joe, Guo, Fan, Richardson, John D., & Zieger, Bertalan 2024, The Astrophysical Journal. The Effects of Turbulence on Heliosheath Ions and Implications for Energetic Neutral Atoms

Puzzoni, Eleonora, Fraschetti, Federico, Kóta, József, & Giacalone, Joe 2024, The Astrophysical Journal. Role of Magnetic Arcades in Explaining the Puzzle of the Gamma-Ray Emission from the Solar Disk

Malkov, Mikhail, Giacalone, Joe, & Guo, Fan 2024, The Astrophysical Journal. Flat Spectra of Energetic Particles in Interplanetary Shock Precursors

Chen, Xiaohang, Giacalone, Joe, Guo, Fan, & Klein, Kristopher G. 2024, The Astrophysical Journal. Parallel Diffusion Coefficient of Energetic Charged Particles in the Inner Heliosphere from the Turbulent Magnetic Fields Measured by Parker Solar Probe

Mitchell, D. G., Hill, M. E., McComas, D. J., Cohen, C. M. S., Schwadron, N. A., Mostafavi, P. S., Matthaeus, W. H., Raouafi, N. E., Al-Nussirat, S. T., Larson, D. E., Rahmati, A., Kasper, J. C., Whittlesey, P. L., Livi, R., Bale, S. D., Pulupa, M., Giacalone, J., McNutt, R. L., Christian, E. R., Wiedenbeck, M. E., & Sharma, T. 2024, The Astrophysical Journal. Likely Common Coronal Source of Solar Wind and <SUP>3</SUP>He-enriched Energetic Particles: Uncoupled Transport from the Low Corona to 0.2 au

Khoo, L. Y., B. Sánchez-Cano, C. O. Lee, L. Rodríguez-García, A. Kouloumvakos, E. Palmerio, F. Carcaboso, D. Lario, N. Dresing, C. M. S. Cohen, D. J. McComas, B. J. Lynch, F. Fraschetti, I. C. Jebaraj, J. G. Mitchell, T. Nieves-Chinchilla, V. Krupar, D. Pacheco, J. Giacalone, H.-U. Auster, J. Benkhoff, X. Bonnin, E. R. Christian, B. Ehresmann, A. Fedeli, D. Fischer, D. Heyner, M. Holmström, R. A. Leske, M. Maksimovic, J. Z. D. Mieth, P. Oleynik, M. Pinto, I. Richter, J. Rodríguez-Pacheco, N. A. Schwadron, D. Schmid, D. Telloni, A. Vecchio, M. E. Wiedenbeck 2024, The Astrophysical Journal. Multispacecraft Observations of a Widespread Solar Energetic Particle Event on 2022 February 15–16

Florinski, Vladimir, Guzman, Juan Alonso, Kleimann, Jens, Baliukin, Igor, Ghanbari, Keyvan, Turner, Drew, Zieger, Bertalan, Kóta, Jozsef, Opher, Merav, Izmodenov, Vladislav, Alexashov, Dmitry, Giacalone, Joe, & Richardson, John 2024, The Astrophysical Journal. Magnetic Trapping of Galactic Cosmic Rays in the Outer Heliosheath and Their Preferential Entry into the Heliosphere

Giacalone, Joe, Cohen, C. M. S., McComas, D. J., Chen, X., Dayeh, M. A., Matthaeus, W. H., Klein, K. G., Bale, S. D., Christian, E. R., Desai, M. I., Hill, M. E., Khoo, L. Y., Lario, D., Leske, R. A., McNutt, R. L., Mitchell, D. G., Mitchell, J. G., Malandraki, O., & Schwadron, N. A. 2023, The Astrophysical Journal. Analyses of 0.05-2 MeV Ions Associated with the 2022 February 16 Energetic Storm Particle Event Observed by Parker Solar Probe

Trotta, Domenico, Horbury, Timothy S., Lario, David, Vainio, Rami, Dresing, Nina, Dimmock, Andrew, Giacalone, Joe, Hietala, Heli, Wimmer-Schweingruber, Robert F., Berger, Lars, & Yang, Liu 2023, The Astrophysical Journal. Irregular Proton Injection to High Energies at Interplanetary Shocks

Esman, T. M., Espley, J. R., Gruesbeck, J. R., Verbiscer, A., Giacalone, J., Halford, A. J. 2023, Frontiers in Astronomy and Space Sciences. Will we find Martian lightning via Schumann resonances?

Malara, F., Perri, S., Giacalone, J., & Zimbardo, G. 2023, Astronomy and Astrophysics. Energetic particle dynamics in a simplified model of a solar wind magnetic switchback

Moradi, Ashraf & Giacalone, Joe 2023, The Astrophysical Journal. Pitch-angle Distributions of 0.5-1 GeV Solar Protons Crossing Earth's Orbit: Influence of the Large-scale Turbulent Interplanetary Magnetic Field

Perri, Silvia, Prete, Giuseppe, Zimbardo, Gaetano, Trotta, Domenico, Wilson, Lynn B., Lario, David, Servidio, Sergio, Valentini, Francesco, & Giacalone, Joe 2023, The Astrophysical Journal. Interpretation of Flat Energy Spectra Upstream of Fast Interplanetary Shocks

Florinski, V., Alonso Guzman, J. G., Giacalone, J., le Roux, J. A., & Opher, M. 2023, The Astrophysical Journal. Turbulence and Diffusive Transport of Cosmic Rays in the Very Local Interstellar Medium

O. E. Malandraki, C. M. S. Cohen, J. Giacalone, J. G. Mitchell, R. Chhiber, D. J. McComas, J. Rodríguez-Pacheco, R. F. Wimmer-Schweingruber, G. C. Ho 2023, Physics of Plasmas. Unexpected energetic particle observations near the Sun by Parker Solar Probe and Solar Orbiter

Kornbleuth, M., Opher, M., Dialynas, K., Zank, G. P., Wang, B. B., Baliukin, I., Gkioulidou, M., Giacalone, J., Izmodenov, V., Sokół, J. M., & Dayeh, M. A. 2023, The Astrophysical Journal. Probing the Length of the Heliospheric Tail with Energetic Neutral Atoms (ENAs) from 0.52 to 80 keV

Kornbleuth, M., Opher, M., Zank, G. P., Wang, B. B., Giacalone, J., Gkioulidou, M., & Dialynas, K. 2023, The Astrophysical Journal. An Anomalous Cosmic-Ray Mediated Termination Shock: Implications for Energetic Neutral Atoms

Raouafi, N. E., Matteini, L., Squire, J., Badman, S. T., Velli, M., Klein, K. G., Chen, C. H. K., Matthaeus, W. H., Szabo, A., Linton, M., Allen, R. C., Szalay, J. R., Bruno, R., Decker, R. B., Akhavan-Tafti, M., Agapitov, O. V., Bale, S. D., Bandyopadhyay, R., Battams, K., Berčič, L., Bourouaine, S., Bowen, T. A., Cattell, C., Chandran, B. D. G., Chhiber, R., Cohen, C. M. S., D'Amicis, R., Giacalone, J., Hess, P., Howard, R. A., Horbury, T. S., Jagarlamudi, V. K., Joyce, C. J., Kasper, J. C., Kinnison, J., Laker, R., Liewer, P., Malaspina, D. M., Mann, I., McComas, D. J., Niembro-Hernandez, T., Nieves-Chinchilla, T., Panasenco, O., Pokorný, P., Pusack, A., Pulupa, M., Perez, J. C., Riley, P., Rouillard, A. P., Shi, C., Stenborg, G., Tenerani, A., Verniero, J. L., Viall, N., Vourlidas, A., Wood, B. E., Woodham, L. D., & Woolley, T. 2023, Space Science Reviews. Parker Solar Probe: Four Years of Discoveries at Solar Cycle Minimum

Singh, Manpreet, Fraschetti, Federico, & Giacalone, Joe 2023, The Astrophysical Journal. Electrostatic Plasma Wave Excitations at the Interplanetary Shocks

Chen, Xiaohang, Giacalone, Joe, & Guo, Fan 2022, The Astrophysical Journal. Solar Energetic Particle Acceleration at a Spherical Shock with the Shock Normal Angle {\theta }_{{B}_{n}} Evolving in Space and Time

Esman, T. M., Espley, J., Gruesbeck, J., Fowler, C. M., Xu, S., Elrod, M., Harada, Y., & Giacalone, J. 2022, Journal of Geophysical Research (Space Physics). Martian Ionospheric Magnetic Fluctuations Below 200 km

Fernandes, Rachel B., Mulders, Gijs D., Pascucci, Ilaria, Bergsten, Galen J., Koskinen, Tommi T., Hardegree-Ullman, Kevin K., Pearson, Kyle A., Giacalone, Steven, Zink, Jon, Ciardi, David R., & O'Brien, Patrick 2022, The Astronomical Journal. pterodactyls: A Tool to Uniformly Search and Vet for Young Transiting Planets in TESS Primary Mission Photometry

Zank, G. P., Sterken, V., Giacalone, J., Möbius, E., von Steiger, R., Stone, E. S., Krimigis, S. M., Richardson, J. D., Linsky, J., Izmodenov, V., & Heber, B. 2022, Space Science Reviews. The Early History of Heliospheric Science and the Spacecraft That Made It Possible

Perri, Silvia, Bykov, Andrei, Fahr, Hans, Fichtner, Horst, & Giacalone, Joe 2022, Space Science Reviews. Recent Developments in Particle Acceleration at Shocks: Theory and Observations

Giacalone, J., Fahr, H., Fichtner, H., Florinski, V., Heber, B., Hill, M. E., Kóta, J., Leske, R. A., Potgieter, M. S., & Rankin, J. S. 2022, Space Science Reviews. Anomalous Cosmic Rays and Heliospheric Energetic Particles

Moradi, Ashraf & Giacalone, Joe 2022, The Astrophysical Journal. The Effect of the Fluctuating Interplanetary Magnetic Field on the Cosmic Ray Intensity Profile of the Ground-level Enhancement (GLE) Events

Nikoukar, R., Hill, M. E., Brown, L., Kota, J., Decker, R. B., Dialynas, K., Hamilton, D. C., Krimigis, S. M., Lasley, S., Roelof, E. C., Mitchell, J. G., Florinski, V., Giacalone, J., Richardson, J., Opher, M. 2022, The Astrophysical Journal On the Energy Dependence of Galactic Cosmic Ray Anisotropies in the Very Local Interstellar Medium

Gkioulidou, Matina, Opher, M., Kornbleuth, M., Dialynas, K., Giacalone, J., Richardson, J. D., Zank, G. P., Fuselier, S. A., Mitchell, D. G., Krimigis, S. M., Roussos, E., & Baliukin, I. 2022, The Astrophysical Journal. On the Energization of Pickup Ions Downstream of the Heliospheric Termination Shock by Comparing 0.52-55 keV Observed Energetic Neutral Atom Spectra to Ones Inferred from Proton Hybrid Simulations

David, Liam, Fraschetti, Federico, Giacalone, Joe, Wimmer-Schweingruber, Robert F., Berger, Lars, & Lario, David 2022, The Astrophysical Journal. In Situ Measurement of the Energy Fraction in Suprathermal and Energetic Particles at ACE, Wind, and PSP Interplanetary Shocks

Desai, M. I., Mitchell, D. G., McComas, D. J., Drake, J. F., Phan, T., Szalay, J. R., Roelof, E. C., Giacalone, J., Hill, M. E., Christian, E. R., Schwadron, N. A., McNutt, R. L., Wiedenbeck, M. E., Joyce, C., Cohen, C. M. S., Davis, A. J., Krimigis, S. M., Leske, R. A., Matthaeus, W. H., Malandraki, O., Mewaldt, R. A., Labrador, A., Stone, E. C., Bale, S. D., Verniero, J., Rahmati, A., Whittlesey, P., Livi, R., Larson, D., Pulupa, M., MacDowall, R. J., Niehof, J. T., Kasper, J. C., & Horbury, T. S. 2022, The Astrophysical Journal. Suprathermal Ion Energy Spectra and Anisotropies near the Heliospheric Current Sheet Crossing Observed by the Parker Solar Probe during Encounter 7

Kong, X., Ye, J., Chen, B., Guo, F., Shen, C., Li, X., Yu, S., Chen, Y., Giacalone, J. 2022, The Astrophysical Journal A Model of Double Coronal Hard X-Ray Sources in Solar Flares

Yu, Feiyu, Kong, Xiangliang, Guo, Fan, Liu, Wenlong, Jiang, Zelong, Chen, Yao, & Giacalone, Joe 2022, The Astrophysical Journal. Double-power-law Feature of Energetic Particles Accelerated at Coronal Shocks

Getachew, T., McComas, D. J., Joyce, C. J., Palmerio, E., Christian, E. R., Cohen, C. M. S., Desai, M. I., Giacalone, J., Hill, M. E., Matthaeus, W. H., McNutt, R. L., Mitchell, D. G., Mitchell, J. G., Rankin, J. S., Roelof, E. C., Schwadron, N. A., Szalay, J. R., Zank, G. P., Zhao, L. -L., Lynch, B. J., Phan, T. D., Bale, S. D., Whittlesey, P. L., & Kasper, J. C. 2022, The Astrophysical Journal. PSP/IS⊙IS Observation of a Solar Energetic Particle Event Associated with a Streamer Blowout Coronal Mass Ejection during Encounter 6

Guo, Fan, Zhao, Lulu, Cohen, Christina M. S., Giacalone, Joe, Leske, R. A., Wiedenbeck, M. E., Kahler, S. W., Li, Xiaocan, Zhang, Qile, Ho, George C., & Desai, Mihir I. 2022, The Astrophysical Journal. Variable Ion Compositions of Solar Energetic Particle Events in the Inner Heliosphere: A Field Line Braiding Model with Compound Injections

Pecora, F., Servidio, S., Greco, A., Matthaeus, W. H., McComas, D. J., Giacalone, J., Joyce, C. J., Getachew, T., Cohen, C. M. S., Leske, R. A., Wiedenbeck, M. E., McNutt, R. L., Hill, M. E., Mitchell, D. G., Christian, E. R., Roelof, E. C., Schwadron, N. A., & Bale, S. D. 2021, Monthly Notices of the Royal Astronomical Society. Parker Solar Probe observations of helical structures as boundaries for energetic particles

Opher, M., Drake, J. F., Zank, G., Powell, E., Shelley, W., Kornbleuth, M., Florinski, V., Izmodenov, V., Giacalone, J., Fuselier, S., Dialynas, K., Loeb, A., & Richardson, J. 2021, The Astrophysical Journal. A Turbulent Heliosheath Driven by the Rayleigh-Taylor Instability

Mason, G. M., Cohen, C. M. S., Ho, G. C., Mitchell, D. G., Allen, R. C., Hill, M. E., Andrews, G. B., Berger, L., Boden, S., Böttcher, S., Cernuda, I., Christian, E. R., Cummings, A. C., Davis, A. J., Desai, M. I., de Nolfo, G. A., Eldrum, S., Elftmann, R., Kollhoff, A., Giacalone, J., Gómez-Herrero, R., Hayes, J., Janitzek, N. P., Joyce, C. J., Korth, A., Kühl, P., Kulkarni, S. R., Labrador, A. W., Espinosa Lara, F., Lees, W. J., Leske, R. A., Mall, U., Martin, C., Martínez Hellín, A., Matthaeus, W. H., McComas, D. J., McNutt, R. L., Mewaldt, R. A., Mitchell, J. G., Pacheco, D., Parra Espada, P., Prieto, M., Rankin, J. S., Ravanbakhsh, A., Rodríguez-Pacheco, J., Rodríguez Polo, O., Roelof, E. C., Sánchez-Prieto, S., Schlemm, C. E., Schwadron, N. A., Seifert, H., Stone, E. C., Szalay, J. R., Terasa, J. C., Tyagi, K., Freiherr von Forstner, J. L., Wiedenbeck, M. E., Wimmer-Schweingruber, R. F., Xu, Z. G., & Yedla, M. 2021, Astronomy and Astrophysics. Solar energetic particle heavy ion properties in the widespread event of 2020 November 29

Cohen, C. M. S., Christian, E. R., Cummings, A. C., Davis, A. J., Desai, M. I., de Nolfo, G. A., Giacalone, J., Hill, M. E., Joyce, C. J., Labrador, A. W., Leske, R. A., Matthaeus, W. H., McComas, D. J., McNutt, R. L., Mewaldt, R. A., Mitchell, D. G., Mitchell, J. G., Rankin, J. S., Roelof, E. C., Schwadron, N. A., Stone, E. C., Szalay, J. R., Wiedenbeck, M. E., Vourlidas, A., Bale, S. D., Pulupa, M., & MacDowall, R. J. 2021, Astronomy and Astrophysics. PSP/IS⊙IS observations of the 29 November 2020 solar energetic particle event

Esman, T. M., Espley, J., Gruesbeck, J., Klein, K. G., & Giacalone, J. 2021, Journal of Geophysical Research (Space Physics). Plasma Waves in the Distant Martian Environment: Implications for Mars' Sphere of Influence

Giacalone, J., Burgess, D., Bale, S. D., Desai, M. I., Mitchell, J. G., Lario, D., Chen, C. H. K., Christian, E. R., de Nolfo, G. A., Hill, M. E., Matthaeus, W. H., McComas, D. J., McNutt, R. L., Mitchell, D. G., Roelof, E. C., Schwadron, N. A., Getachew, Tibebu, & Joyce, C. J. 2021, The Astrophysical Journal. Energetic Particles Associated with a Coronal Mass Ejection Shock Interacting with a Convected Magnetic Structure

Lario, D., Richardson, I. G., Palmerio, E., Lugaz, N., Bale, S. D., Stevens, M. L., Cohen, C. M. S., Giacalone, J., Mitchell, D. G., Szabo, A., Nieves-Chinchilla, T., Wilson, L. B., Christian, E. R., Hill, M. E., McComas, D. J., McNutt, R. L., Schwadron, N. A., & Wiedenbeck, M. E. 2021, The Astrophysical Journal. Comparative Analysis of the 2020 November 29 Solar Energetic Particle Event Observed by Parker Solar Probe

Richardson, J. D., Cummings, A. C., Burlaga, L. F., Giacalone, J., Opher, M., & Stone, E. C. 2021, The Astrophysical Journal. Using Magnetic Flux Conservation to Determine Heliosheath Speeds

Mitchell, J. G., De Nolfo, G. A., Hill, M. E., Christian, E. R., Richardson, I. G., McComas, D. J., McNutt, R. L., Mitchell, D. G., Schwadron, N. A., Bale, S. D., Giacalone, J., Joyce, C. J., Niehof, J. T., & Szalay, J. R. 2021, The Astrophysical Journal. Energetic Electron Observations by Parker Solar Probe/IS⊙IS during the First Widespread SEP Event of Solar Cycle 25 on 2020 November 29

Joyce, C. J., McComas, D. J., Schwadron, N. A., Vourlidas, A., Christian, E. R., McNutt, R. L., Cohen, C. M. S., Leske, R. A., Mewaldt, R. A., Stone, E. C., Mitchell, D. G., Hill, M. E., Roelof, E. C., Allen, R. C., Szalay, J. R., Rankin, J. S., Desai, M. I., Giacalone, J., Matthaeus, W. H., Niehof, J. T., de Wet, W., Winslow, R. M., Bale, S. D., & Kasper, J. C. 2021, Astronomy and Astrophysics. Energetic particle evolution during coronal mass ejection passage from 0.3 to 1 AU

Joyce, C. J., McComas, D. J., Schwadron, N. A., Christian, E. R., Wiedenbeck, M. E., McNutt, R. L., Cohen, C. M. S., Leske, R. A., Mewaldt, R. A., Stone, E. C., Labrador, A. W., Davis, A. J., Cummings, A. C., Mitchell, D. G., Hill, M. E., Roelof, E. C., Allen, R. C., Szalay, J. R., Rankin, J. S., Desai, M. I., Giacalone, J., Matthaeus, W. H., Bale, S. D., & Kasper, J. C. 2021, Astronomy and Astrophysics. Time evolution of stream interaction region energetic particle spectra in the inner heliosphere

Bandyopadhyay, R., Matthaeus, W. H., McComas, D. J., Joyce, C. J., Szalay, J. R., Christian, E. R., Giacalone, J., Schwadron, N. A., Mitchell, D. G., Hill, M. E., McNutt, R. L., Desai, M. I., Bale, S. D., Bonnell, J. W., Dudok de Wit, T., Goetz, K., Harvey, P. R., MacDowall, R. J., Malaspina, D. M., Pulupa, M., Kasper, J. C., & Stevens, M. 2021, Astronomy and Astrophysics. Energetic particle behavior in near-Sun magnetic field switchbacks from PSP

Chhiber, R., Matthaeus, W. H., Cohen, C. M. S., Ruffolo, D., Sonsrettee, W., Tooprakai, P., Seripienlert, A., Chuychai, P., Usmanov, A. V., Goldstein, M. L., McComas, D. J., Leske, R. A., Szalay, J. R., Joyce, C. J., Cummings, A. C., Roelof, E. C., Christian, E. R., Mewaldt, R. A., Labrador, A. W., Giacalone, J., Schwadron, N. A., Mitchell, D. G., Hill, M. E., Wiedenbeck, M. E., McNutt, R. L., & Desai, M. I. 2021, Astronomy and Astrophysics. Magnetic field line random walk and solar energetic particle path lengths. Stochastic theory and PSP/IS⊙IS observations

Schwadron, N. A., Joyce, C. J., Aly, A., Cohen, C. M. S., Desai, M. I., McComas, D. J., Niehof, J. T., Möbius, E., Lee, M., Bower, J., Bale, S., Case, A., Christian, E. R., Davis, A. J., de Wet, W., Goetz, K., Giacalone, J., Hill, M. E., Allen, R., Kasper, J. C., Korreck, K., Leske, R. A., Malandraki, O., Matthaeus, W. H., McNutt, R. L., Mewaldt, R. A., Mitchell, D. G., Pulupa, M., Rankin, J. S., Roelof, E. C., Stone, E. C., Szalay, J. R., & Wiedenbeck, M. E. 2021, Astronomy and Astrophysics. A new view of energetic particles from stream interaction regions observed by Parker Solar Probe

Cohen, C. M. S., Christian, E. R., Cummings, A. C., Davis, A. J., Desai, M. I., de Nolfo, G. A., Giacalone, J., Hill, M. E., Joyce, C. J., Labrador, A. W., Leske, R. A., Matthaeus, W. H., McComas, D. J., McNutt, R. L., Mewaldt, R. A., Mitchell, D. G., Mitchell, J. G., Rankin, J. S., Roelof, E. C., Schwadron, N. A., Stone, E. C., Szalay, J. R., Wiedenbeck, M. E., Vourlidas, A., Bale, S. D., Pulupa, M., & MacDowall, R. J. 2021, Astronomy and Astrophysics. Parker Solar Probe observations of He/H abundance variations in SEP events inside 0.5 au

Giacalone, J. 2021, The Astrophysical Journal The Transport Equation for the Dispersal of Passive Tracers in a Nonuniform Turbulent Fluid: Numerical Simulations

Giacalone, J., Nakanotani, M., Zank, G. P., Kòta, J., Opher, M., Richardson, J. D. 2021, The Astrophysical Journal Hybrid Simulations of Interstellar Pickup Protons Accelerated at the Solar-wind Termination Shock at Multiple Locations

Guo, F., Giacalone, J., Zhao, L. 2021, Frontiers in Astronomy and Space Sciences Shock Propagation and Associated Particle Acceleration in the Presence of Ambient Solar-Wind Turbulence

Fraschetti, F. & Giacalone, J. 2020, Monthly Notices of the Royal Astronomical Society. Bi-directional streaming of particles accelerated at the STEREO-A shock on 2008 March 9

Kong, Xiangliang, Guo, Fan, Shen, Chengcai, Chen, Bin, Chen, Yao, & Giacalone, Joe 2020, The Astrophysical Journal. Dynamical Modulation of Solar Flare Electron Acceleration due to Plasmoid-shock Interactions in the Looptop Region

Nakanotani, M., Zank, G. P., Adhikari, L., Zhao, L. -L., Giacalone, J., Opher, M., & Richardson, J. D. 2020, The Astrophysical Journal. The Downwind Solar Wind: Model Comparison with Pioneer 10 Observations

Horbury, T. S., O'Brien, H., Carrasco Blazquez, I., Bendyk, M., Brown, P., Hudson, R., Evans, V., Oddy, T. M., Carr, C. M., Beek, T. J., Cupido, E., Bhattacharya, S., Dominguez, J. -A., Matthews, L., Myklebust, V. R., Whiteside, B., Bale, S. D., Baumjohann, W., Burgess, D., Carbone, V., Cargill, P., Eastwood, J., Erdös, G., Fletcher, L., Forsyth, R., Giacalone, J., Glassmeier, K. -H., Goldstein, M. L., Hoeksema, T., Lockwood, M., Magnes, W., Maksimovic, M., Marsch, E., Matthaeus, W. H., Murphy, N., Nakariakov, V. M., Owen, C. J., Owens, M., Rodriguez-Pacheco, J., Richter, I., Riley, P., Russell, C. T., Schwartz, S., Vainio, R., Velli, M., Vennerstrom, S., Walsh, R., Wimmer-Schweingruber, R. F., Zank, G., Müller, D., Zouganelis, I., & Walsh, A. P. 2020, Astronomy and Astrophysics. The Solar Orbiter magnetometer

Giacalone, J. 2020, The Astrophysical Journal. Erratum: "The Acceleration of Charged Particles at a Spherical Shock Moving through an Irregular Magnetic Field" (2017, ApJ, 848, 123)

Giacalone, J. & Jokipii, J. R. 2020, The Astrophysical Journal. Erratum: "A New Model for the Heliosphere's 'IBEX Ribbon'" (2017, ApJL, 812, L9)

Dalla, S., de Nolfo, G. A., Bruno, A., Giacalone, J., Laitinen, T., Thomas, S., Battarbee, M., & Marsh, M. S. 2020, Astronomy and Astrophysics. 3D propagation of relativistic solar protons through interplanetary space

Hill, M. E., Mitchell, D. G., Allen, R. C., de Nolfo, G. A., Vourlidas, A., Brown, L. E., Jones, S. I., McComas, D. J., McNutt, R. L., Mitchell, J. G., Szalay, J. R., Wallace, S., Arge, C. N., Christian, E. R., Cohen, C. M. S., Crew, A. B., Desai, M. I., Giacalone, J., Henney, C. J., Joyce, C. J., Krimigis, S. M., Leske, R. A., Mewaldt, R. A., Nelson, K. S., Roelof, E. C., Schwadron, N. A., & Wiedenbeck, M. E. 2020, The Astrophysical Journal Supplement Series. Small, Low-energy, Dispersive Solar Energetic Particle Events Observed by Parker Solar Probe

Nieves-Chinchilla, Teresa, Szabo, Adam, Korreck, Kelly E., Alzate, Nathalia, Balmaceda, Laura A., Lavraud, Benoit, Paulson, Kristoff, Narock, Ayris A., Wallace, Samantha, Jian, Lan K., Luhmann, Janet G., Morgan, Huw, Higginson, Aleida, Arge, Charles N., Bale, Stuart D., Case, Anthony W., Dudfok de Wit, Thierry, Giacalone, Joe, Goetz, Keith, Harvey, Peter R., Jones-Melosky, Shaela I., Kasper, J. C., Larson, Davin E., Livi, Roberto, McComas, David J., MacDowall, Robert J., Malaspina, David M., Pulupa, Marc, Raouafi, Nour E., Schwadron, Nathan, Stevens, Michael Louis, & Whittlesey, Phyllis L. 2020, The Astrophysical Journal Supplement Series. Analysis of the Internal Structure of the Streamer Blowout Observed by the Parker Solar Probe During the First Solar Encounter

Bandyopadhyay, Riddhi, Matthaeus, W. H., Parashar, T. N., Chhiber, R., Ruffolo, D., Goldstein, M. L., Maruca, B. A., Chasapis, A., Qudsi, R., McComas, D. J., Christian, E. R., Szalay, J. R., Joyce, C. J., Giacalone, J., Schwadron, N. A., Mitchell, D. G., Hill, M. E., Wiedenbeck, M. E., McNutt, R. L., Desai, M. I., Bale, Stuart D., Bonnell, J. W., de Wit, Thierry Dudok, Goetz, Keith, Harvey, Peter R., MacDowall, Robert J., Malaspina, David M., Pulupa, Marc, Velli, M., Kasper, J. C., Korreck, K. E., Stevens, M., Case, A. W., & Raouafi, N. 2020, The Astrophysical Journal Supplement Series. Observations of Energetic-particle Population Enhancements along Intermittent Structures near the Sun from the Parker Solar Probe

Mitchell, D. G., Giacalone, J., Allen, R. C., Hill, M. E., McNutt, R. L., McComas, D. J., Szalay, J. R., Schwadron, N. A., Rouillard, A. P., Bale, S. B., Chaston, C. C., Pulupa, M. P., Whittlesey, P. L., Kasper, J. C., MacDowall, R. J., Christian, E. R., Wiedenbeck, M. E., & Matthaeus, W. H. 2020, The Astrophysical Journal Supplement Series. CME-associated Energetic Ions at 0.23 au: Consideration of the Auroral Pressure Cooker Mechanism Operating in the Low Corona as a Possible Energization Process

Desai, M. I., Mitchell, D. G., Szalay, J. R., Roelof, E. C., Giacalone, J., Hill, M. E., McComas, D. J., Christian, E. R., Schwadron, N. A., McNutt, R. L., Wiedenbeck, M. E., Joyce, C., Cohen, C. M. S., Ebert, R. W., Dayeh, M. A., Allen, R. C., Davis, A. J., Krimigis, S. M., Leske, R. A., Matthaeus, W. H., Malandraki, O., Mewaldt, R. A., Labrador, A., Stone, E. C., Bale, S. D., Pulupa, M., MacDowall, R. J., & Kasper, J. C. 2020, The Astrophysical Journal Supplement Series. Properties of Suprathermal-through-energetic He Ions Associated with Stream Interaction Regions Observed over the Parker Solar Probe's First Two Orbits

Wiedenbeck, M. E., Bučík, R., Mason, G. M., Ho, G. C., Leske, R. A., Cohen, C. M. S., Christian, E. R., Cummings, A. C., Davis, A. J., Desai, M. I., Giacalone, J., Haggerty, D. K., Hill, M. E., Joyce, C. J., Labrador, A. W., Malandraki, O., Matthaeus, W. H., McComas, D. J., McNutt, R. L., Mewaldt, R. A., Mitchell, D. G., Posner, A., Rankin, J. S., Roelof, E. C., Schwadron, N. A., Stone, E. C., Szalay, J. R., Bale, S. D., Case, A. W., Kasper, J. C., Korreck, K. E., Larson, D. E., MacDowall, R. J., Pulupa, M., & Stevens, M. L. 2020, The Astrophysical Journal Supplement Series. <SUP>3</SUP>He-rich Solar Energetic Particle Observations at the Parker Solar Probe and near Earth

Joyce, C. J., McComas, D. J., Christian, E. R., Schwadron, N. A., Wiedenbeck, M. E., McNutt, R. L., Cohen, C. M. S., Leske, R. A., Mewaldt, R. A., Stone, E. C., Labrador, A. W., Davis, A. J., Cummings, A. C., Mitchell, D. G., Hill, M. E., Roelof, E. C., Szalay, J. R., Rankin, J. S., Desai, M. I., Giacalone, J., & Matthaeus, W. H. 2020, The Astrophysical Journal Supplement Series. Energetic Particle Observations from the Parker Solar Probe Using Combined Energy Spectra from the IS☉IS Instrument Suite

Leske, R. A., Christian, E. R., Cohen, C. M. S., Cummings, A. C., Davis, A. J., Desai, M. I., Giacalone, J., Hill, M. E., Joyce, C. J., Krimigis, S. M., Labrador, A. W., Malandraki, O., Matthaeus, W. H., McComas, D. J., McNutt, R. L., Mewaldt, R. A., Mitchell, D. G., Posner, A., Rankin, J. S., Roelof, E. C., Schwadron, N. A., Stone, E. C., Szalay, J. R., Wiedenbeck, M. E., Vourlidas, A., Bale, S. D., MacDowall, R. J., Pulupa, M., Kasper, J. C., Allen, R. C., Case, A. W., Korreck, K. E., Livi, R., Stevens, M. L., Whittlesey, P., & Poduval, B. 2020, The Astrophysical Journal Supplement Series. Observations of the 2019 April 4 Solar Energetic Particle Event at the Parker Solar Probe

Schwadron, N. A., Bale, S., Bonnell, J., Case, A., Christian, E. R., Cohen, C. M. S., Cummings, A. C., Davis, A. J., Dudok de Wit, T., de Wet, W., Desai, M. I., Joyce, C. J., Goetz, K., Giacalone, J., Gorby, M., Harvey, P., Heber, B., Hill, M. E., Karavolos, M., Kasper, J. C., Korreck, K., Larson, D., Livi, R., Leske, R. A., Malandraki, O., MacDowall, R., Malaspina, D., Matthaeus, W. H., McComas, D. J., McNutt, R. L., Mewaldt, R. A., Mitchell, D. G., Mays, L., Niehof, J. T., Odstrcil, D., Pulupa, M., Poduval, B., Rankin, J. S., Roelof, E. C., Stevens, M., Stone, E. C., Szalay, J. R., Wiedenbeck, M. E., Winslow, R., & Whittlesey, P. 2020, The Astrophysical Journal Supplement Series. Seed Population Preconditioning and Acceleration Observed by the Parker Solar Probe

Giacalone, J., Mitchell, D. G., Allen, R. C., Hill, M. E., McNutt, R. L., Szalay, J. R., Desai, M. I., Rouillard, A. P., Kouloumvakos, A., McComas, D. J., Christian, E. R., Schwadron, N. A., Wiedenbeck, M. E., Bale, S., Brown, L. E., Case, A., Chen, X., Cohen, C. M. S., Joyce, C., Kasper, J. C., Klein, K. G., Korreck, K., Larson, D. E., Livi, R., Leske, R. A., MacDowall, R. J., Matthaeus, W. H., Mewaldt, R. A., Nieves-Chinchilla, T., Pulupa, M., Roelof, E. C., Stevens, M. L., Szabo, A., & Whittlesey, P. L. 2020, The Astrophysical Journal Supplement Series. Solar Energetic Particles Produced by a Slow Coronal Mass Ejection at ∼0.25 au

Cohen, C. M. S., Christian, E. R., Cummings, A. C., Davis, A. J., Desai, M. I., Giacalone, J., Hill, M. E., Joyce, C. J., Labrador, A. W., Leske, R. A., Matthaeus, W. H., McComas, D. J., McNutt, R. L., Mewaldt, R. A., Mitchell, D. G., Rankin, J. S., Roelof, E. C., Schwadron, N. A., Stone, E. C., Szalay, J. R., Wiedenbeck, M. E., Allen, R. C., Ho, G. C., Jian, L. K., Lario, D., Odstrcil, D., Bale, S. D., Badman, S. T., Pulupa, M., MacDowall, R. J., Kasper, J. C., Case, A. W., Korreck, K. E., Larson, D. E., Livi, Roberto, Stevens, M. L., & Whittlesey, Phyllis 2020, The Astrophysical Journal Supplement Series. Energetic Particle Increases Associated with Stream Interaction Regions

Zirnstein, E. J., Giacalone, J., Kumar, R., McComas, D. J., Dayeh, M. A., & Heerikhuisen, J. 2020, The Astrophysical Journal. Turbulence in the Local Interstellar Medium and the IBEX Ribbon

McComas, D. J., Christian, E. R., Cohen, C. M. S., Cummings, A. C., Davis, A. J., Desai, M. I., Giacalone, J., Hill, M. E., Joyce, C. J., Krimigis, S. M., Labrador, A. W., Leske, R. A., Malandraki, O., Matthaeus, W. H., McNutt, R. L., Mewaldt, R. A., Mitchell, D. G., Posner, A., Rankin, J. S., Roelof, E. C., Schwadron, N. A., Stone, E. C., Szalay, J. R., Wiedenbeck, M. E., Bale, S. D., Kasper, J. C., Case, A. W., Korreck, K. E., MacDowall, R. J., Pulupa, M., Stevens, M. L., & Rouillard, A. P. 2019, Nature. Probing the energetic particle environment near the Sun

Kong, Xiangliang, Guo, Fan, Shen, Chengcai, Chen, Bin, Chen, Yao, Musset, Sophie, Glesener, Lindsay, Pongkitiwanichakul, Peera, & Giacalone, Joe 2019, The Astrophysical Journal. The Acceleration and Confinement of Energetic Electrons by a Termination Shock in a Magnetic Trap: An Explanation for Nonthermal Loop-top Sources during Solar Flares

Wang, Xin, Giacalone, Joe, Yan, Yihua, Ding, Mingde, Li, Chuan, Lu, Hong, & Shan, Hao 2019, The Astrophysical Journal. Particle Acceleration at the Pileup Collision of the Twin Shock

Kong, Xiangliang, Guo, Fan, Chen, Yao, & Giacalone, Joe 2019, The Astrophysical Journal. The Acceleration of Energetic Particles at Coronal Shocks and Emergence of a Double Power-law Feature in Particle Energy Spectra

de Nolfo, G. A., Bruno, A., Ryan, J. M., Dalla, S., Giacalone, J., Richardson, I. G., Christian, E. R., Stochaj, S. J., Bazilevskaya, G. A., Boezio, M., Martucci, M., Mikhailov, V. V., & Munini, R. 2019, The Astrophysical Journal. Comparing Long-duration Gamma-Ray Flares and High-energy Solar Energetic Particles

Lario, D., Berger, L., Decker, R. B., Wimmer-Schweingruber, R. F., Wilson, L. B., Giacalone, J., & Roelof, E. C. 2019, The Astronomical Journal. Evolution of the Suprathermal Proton Population at Interplanetary Shocks

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