Search Results - "Allen, R. C."

The occurrence and wave properties of H+-, He+-, and O+-band EMIC waves observed by the Van Allen Probes by Saikin, A. A., Zhang, J.-C., Allen, R. C., Smith, C. W., Kistler, L. M., Spence, H. E., Torbert, R. B., Kletzing, C. A., Jordanova, V. K.

“…We perform a statistical study of electromagnetic ion cyclotron (EMIC) waves detected by the Van Allen Probes mission to investigate the spatial distribution…”
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A statistical study of EMIC waves observed by Cluster: 1. Wave properties by Allen, R. C., Zhang, J.-C., Kistler, L. M., Spence, H. E., Lin, R.-L., Klecker, B., Dunlop, M. W., André, M., Jordanova, V. K.

“…Electromagnetic ion cyclotron (EMIC) waves are an important mechanism for particle energization and losses inside the magnetosphere. In order to better…”
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Extended 3He-rich Time Periods Observed by Solar Orbiter: Magnetic Connectivity and Sources by Kouloumvakos, A., Mason, G. M., Ho, G. C., Allen, R. C., Wimmer-Schweingruber, Robert F., Rouillard, A. P., Rodriguez-Pacheco, J.

“…Observations of Solar Energetic Particles (SEPs) using the Suprathermal Ion Spectrograph (SIS), which is part of the Energetic Particle Detector suite on the…”
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Heavy-ion Acceleration in 3He-rich Solar Energetic Particle Events: New Insights from Solar Orbiter by Mason, G. M., Roth, I., Nitta, N. V., Bučík, R., Lario, D., Ho, G. C., Allen, R. C., Kouloumvakos, A., Wimmer-Schweingruber, R. F., Rodriguez-Pacheco, J.

“…We present Solar Orbiter energetic particle observations of two 3He-rich events with features more clearly observed than in prior studies. The event of 2022…”
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Magnetospheric Multiscale Dayside Reconnection Electron Diffusion Region Events by Webster, J. M., Burch, J. L., Reiff, P. H., Daou, A. G., Genestreti, K. J., Graham, D. B., Torbert, R. B., Ergun, R. E., Sazykin, S. Y., Marshall, A., Allen, R. C., Chen, L.‐J., Wang, S., Phan, T. D., Giles, B. L., Moore, T. E., Fuselier, S. A., Cozzani, G., Russell, C. T., Eriksson, S., Rager, A. C., Broll, J. M., Goodrich, K., Wilder, F.

“…We use high‐resolution data from dayside passes of the Magnetospheric Multiscale (MMS) mission to create for the first time a comprehensive listing of…”
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3He and Fe Spectral Properties in 3He-rich Solar Energetic Particle Events by Mason, G. M., Kouloumvakos, A., Ho, G. C., Allen, R. C., Gómez-Herrero, R., Wimmer-Schweingruber, R. F., Rodríguez-Pacheco, J.

“…We have surveyed 3He-rich events on the Solar Orbiter mission from 2020 April to 2024 April, selecting isolated injections whose rollover 3He spectral shape is…”
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Metagenomic Characterisation of the Viral Community of Lough Neagh, the Largest Freshwater Lake in Ireland by Skvortsov, Timofey, de Leeuwe, Colin, Quinn, John P, McGrath, John W, Allen, Christopher C R, McElarney, Yvonne, Watson, Catherine, Arkhipova, Ksenia, Lavigne, Rob, Kulakov, Leonid A

“…Lough Neagh is the largest and the most economically important lake in Ireland. It is also one of the most nutrient rich amongst the world's major lakes. In…”
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The Effect of a Guide Field on Local Energy Conversion During Asymmetric Magnetic Reconnection: MMS Observations by Genestreti, K. J., Burch, J. L., Cassak, P. A., Torbert, R. B., Ergun, R. E., Varsani, A., Phan, T. D., Giles, B. L., Russell, C. T., Wang, S., Akhavan‐Tafti, M., Allen, R. C.

“…We compare case studies of Magnetospheric Multiscale (MMS)‐observed magnetopause electron diffusion regions (EDRs) to determine how the rate of work done by…”
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The occurrence and wave properties of EMIC waves observed by the Magnetospheric Multiscale (MMS) mission by Wang, X. Y., Huang, S. Y., Allen, R. C., Fu, H. S., Deng, X. H., Zhou, M., Burch, J. L., Torbert, R. B.

“…Electromagnetic ion cyclotron (EMIC) waves can precipitate the ring current ions and relativistic electrons and heat the cold electrons in the magnetosphere…”
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Variations of oxygen charge state abundances in the global magnetosphere, as observed by Polar by Allen, R. C., Livi, S. A., Goldstein, J.

“…Geomagnetically trapped oxygen ions of solar and ionospheric origin have previously been observed in the Earth's magnetosphere. Early observations from Active…”
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Temporal dynamics of uncultured viruses: a new dimension in viral diversity by Arkhipova, Ksenia, Skvortsov, Timofey, Quinn, John P, McGrath, John W, Allen, Christopher CR, Dutilh, Bas E, McElarney, Yvonne, Kulakov, Leonid A

“…Recent work has vastly expanded the known viral genomic sequence space, but the seasonal dynamics of viral populations at the genome level remain unexplored…”
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EMIC Waves in the Outer Magnetosphere: Observations of an Off‐Equator Source Region by Vines, S. K., Allen, R. C., Anderson, B. J., Engebretson, M. J., Fuselier, S. A., Russell, C. T., Strangeway, R. J., Ergun, R. E., Lindqvist, P. A., Torbert, R. B., Burch, J. L.

“…Electromagnetic ion cyclotron (EMIC) waves at large L shells were observed away from the magnetic equator by the Magnetospheric MultiScale (MMS) mission nearly…”
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Chemoenzymatic Synthesis of (−)-Ribisins A and B from Dibenzo[b,d]furan by Boyd, Derek R, Sharma, Narain D, McGivern, Christopher J, Stevenson, Paul J, Hoering, Patrick, Allen, Christopher C. R

“…cis-Dihydrodiols, derived from monocyclic aromatic compounds, are valuable chiral pool intermediates for the synthesis of cyclic natural products. A drawback…”
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Heavy Ion Charge States in Jupiter's Polar Magnetosphere Inferred From Auroral Megavolt Electric Potentials by Clark, G., Mauk, B. H., Kollmann, P., Paranicas, C., Bagenal, F., Allen, R. C., Bingham, S., Bolton, S., Cohen, I., Ebert, R. W., Dunn, W., Haggerty, D., Houston, S. J., Jackman, C. M., Roussos, E., Rymer, A., Westlake, J. H.

“…In this paper, we exploit the charge‐dependent nature of auroral phenomena in Jupiter's polar cap region to infer the charge states of energetic oxygen and…”
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A statistical study of EMIC waves observed by Cluster: 2. Associated plasma conditions by Allen, R. C., Zhang, J.‐C., Kistler, L. M., Spence, H. E., Lin, R.‐L., Klecker, B., Dunlop, M. W., André, M., Jordanova, V. K.

“…This is the second in a pair of papers discussing a statistical study of electromagnetic ion cyclotron (EMIC) waves detected during 10 years (2001–2010) of…”
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Storm time empirical model of O+ and O6+ distributions in the magnetosphere by Allen, R. C., Livi, S. A., Vines, S. K., Goldstein, J., Cohen, I., Fuselier, S. A., Mauk, B. H., Spence, H. E.

“…Recent studies have utilized different charge states of oxygen ions as a tracer for the origins of plasma populations in the magnetosphere of Earth, using O+…”
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MMS, Van Allen Probes, GOES 13, and Ground‐Based Magnetometer Observations of EMIC Wave Events Before, During, and After a Modest Interplanetary Shock by Engebretson, M. J., Posch, J. L., Capman, N. S. S., Campuzano, N. G., Bělik, P., Allen, R. C., Vines, S. K., Anderson, B. J., Tian, S., Cattell, C. A., Wygant, J. R., Fuselier, S. A., Argall, M. R., Lessard, M. R., Torbert, R. B., Moldwin, M. B., Hartinger, M. D., Kim, H., Russell, C. T., Kletzing, C. A., Reeves, G. D., Singer, H. J.

“…The stimulation of electromagnetic ion cyclotron (EMIC) waves by a magnetospheric compression is perhaps the closest thing to a controlled experiment that is…”
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Determining EMIC Wave Vector Properties Through Multi‐Point Measurements: The Wave Curl Analysis by Vines, S. K., Anderson, B. J., Allen, R. C., Denton, R. E., Engebretson, M. J., Johnson, J. R., Toledo‐Redondo, S., Lee, J. H., Turner, D. L., Ergun, R. E., Strangeway, R. J., Russell, C. T., Wei, H., Torbert, R. B., Fuselier, S. A., Giles, B. L., Burch, J. L.

“…Electromagnetic ion cyclotron (EMIC) waves play important roles in particle loss processes in the magnetosphere. Determining the evolution of EMIC waves as…”
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Excitation of EMIC waves detected by the Van Allen Probes on 28 April 2013 by Zhang, J.-C., Saikin, A. A., Kistler, L. M., Smith, C. W., Spence, H. E., Mouikis, C. G., Torbert, R. B., Larsen, B. A., Reeves, G. D., Skoug, R. M., Funsten, H. O., Kurth, W. S., Kletzing, C. A., Allen, R. C., Jordanova, V. K.

“…We report the wave observations, associated plasma measurements, and linear theory testing of electromagnetic ion cyclotron (EMIC) wave events observed by the…”
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Multiple bidirectional EMIC waves observed by Cluster at middle magnetic latitudes in the dayside magnetosphere by Allen, R. C., Zhang, J. -C., Kistler, L. M., Spence, H. E., Lin, R. -L., Dunlop, M. W., André, M.

“…It is well accepted that the propagation of electromagnetic ion cyclotron (EMIC) waves are bidirectional near their source regions and unidirectional when away…”
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