2023​

• Allen, R. C., et al., Radial Variation of Suprathermal Particles Associated with Corotating Interaction Regions, European Geoscience Union (EGU) General Assembly, Vienna, Austria.

• Allen, R. C., et al., Phase Space Density Profiles Within the Magnetosphere at Saturn: Investigation into Species-Dependent Processes, Lunar and Planetary Science Conference (LPSC), Woodlands, TX.

2022​

• Allen, R. C., et al., Whole Heliosphere & Planetary Interactions, Geospace Environment Modeling (GEM) Workshop, Honolulu, HI.

• Allen, R. C., et al., Sources of energetic ions associated with CMEs: Multi-Spacecraft Analysis of the 2021 October 9 CME Event, Parker Two Community Workshop, Laurel, MD.

• Allen, R. C., et al., Heliospheric Distributed In-Situ Constellation (HelioDISC): A mission to untangle the dynamic mesoscale Sun-Earth connection, Poster presentation at the Heliophysics 2050: Measurement Techniques and Technologies Workshop, virtual meeting

2021​

• Allen, R. C., et al., Suprathermal Particles from Corotating Interaction Regions During the First Perihelion Pass of Solar Orbiter, Poster presentation at the American Geophysical Union (AGU) Fall Meeting, New Orleans, LA.

• Allen, R. C., et al., The need to investigate the variability and multi-scale nature of the solar wind and its impact on energetic particles, Helio2050 Workshop, virtual meeting.

2020

• Allen, R. C., et al., Corotating interaction regions observed between Solar Orbiter and Parker Solar Probe, Poster presentation at the American Geophysical Union (AGU) Fall Meeting, virtual meeting

• Allen, R. C., et al., Stream interaction regions in the inner heliosphere: Insights from the first four orbits of Parker Solar Probe, Poster presentation at the Japanese Geoscience Union (JpGU) meeting, virtual meeting

2019

• Allen, R. C., G. C. Ho, and G. M. Mason, Suprathermal ion abundance variations in corotating interaction regions over two solar cycles, Poster presentation at the Solar Heliospheric & Interplanetary Environment (SHINE) Workshop, Boulder, CO.

• Allen, R. C., G. C. Ho, and G. M. Mason, Abundance Variations in Corotating Interaction Regions Over Two Solar Cycles, Poster presentation at the Chapman Conference on Space Weather, Pasadena, CA. 

2018

• Allen, R. C., C. P. Paranicas, P. Kollmann, D. G. Mitchell, D. C. Hamilton, K. Dialynas, E. Roussos, N. Sergis, and S. M. Krimigis, Energetic ion distributions within the magnetosphere of Saturn: Insights into species-dependent dynamics, Poster presentation at the American Geophysical Union (AGU) Fall Meeting, Washington, DC.

2016

• Allen, R. C., S. A. Livi, S. K. Vines, J. Goldstein, S. A. Fuselier, and H. E. Spence, A model of storm-time oxygen in the magnetosphere: Data-model comparisons, Poster presentation at the American Geophysical Union (AGU) Fall Meeting, San Francisco, CA.

• Allen, R. C., S. A. Livi, and J. Goldstein, Multi-epoch analysis of solar wind-originating oxygen inside the magnetosphere of Earth, Poster presentation at the Geospace Environment Modeling (GEM) workshop, Santa Fe, NM.

2015​

• Allen, R. C., S. A. Livi, and J. Goldstein, An empirical model of oxygen charge state distributions in the Earth's magnetosphere, Poster presentation at the American Geophysical Union (AGU) Fall Meeting, San Francisco, CA.

• Allen, R. C. and S. A. Livi, Variations of oxygen charge state abundance in the global magnetosphere, Poster presentation at the Geospace Environment Modeling (GEM) workshop, Snowmass, CO.

2014​

• Allen, R. C. and S. A. Livi, Average spatial distributions of oxygen charge states in the global magnetosphere as observed by Polar, Poster presentation at the American Geophysical Union (AGU) Fall Meeting, San Francisco, CA.

• Allen, R. C. and I. Cohen, Student involvement in the Geospace Environment Modeling (GEM) Workshop, Poster presentation at the American Geophysical Union (AGU) Fall Meeting, San Francisco, CA.

• Allen, R. C. and S. A. Livi, Heavy Ion Sensor (HIS): The importance of minor ion measurements as a probe of the sun, Poster presentation at the Solar Heliospheric and INterplanetary Environment (SHINE) Confrence, Telluride, CO.

• Allen, R. C. and S. A. Livi, Average spatial distributions of oxygen charge states in the global magnetosphere as observed by Polar, Poster presentation at the Geospace Environment Modeling (GEM) workshop, Portsmouth, VA.

• Allen, R. C., J.-C. Zhang, L. M. Kistler, H. E. Spence, R.-L. Lin, B. Klecker, M. W. Dunlop, M. Andre, and V. K. Jordanova, A Statistical Study of EMIC waves observed by Cluster, Poster presentation at the Geospace Environment Modeling (GEM) workshop, Portsmouth, VA.

2013

• Allen, R. C., J.-C. Zhang, L. M. Kistler, H. E. Spence, R.-L. Lin, B. Klecker, and M. W. Dunlop, Spatial distribution and properties of EMIC waves observed by Cluster, Poster presentation at the Geospace Environment Modeling (GEM) workshop, Snowmass, CO.

• Allen, R. C., J.-C. Zhang, L. M. Kistler, H. E. Spence, R.-L. Lin, B. Klecker, M. W. Dunlop, and M. Andre, Multiple bidirectional EMIC waves observed by Cluster at midlle magnetic latitudes in the dayside magnetosphere, Poster presentation at the Geospace Environment Modeling (GEM) workshop, Snowmass, CO.

2012

• Allen, R. C., J.-C. Zhang, L. M. Kistler, C. G. Mouikis, and G. Wang, EMIC waves and associated plasma conditions, Poster presentation at the Geospace Environment Modeling (GEM) workshop, Snowmass, CO.

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