Search Results - "Desai, M. I."

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    Variability of Interplanetary Shock and Associated Energetic Particle Properties as a Function of the Time Window Around the Shock by Moreland, K., Dayeh, M. A., Li, G., Farahat, A., Ebert, R. W., Desai, M. I.

    Published in The Astrophysical journal (01-10-2023)
    “…Abstract We study the effect of sampling windows on derived shock and associated energetic storm particle (ESP) properties in 296 fast-forward interplanetary…”
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    Journal Article
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    The Dynamics of a High Mach Number Quasi-perpendicular Shock: MMS Observations by Madanian, H., Desai, M. I., Schwartz, S. J., Wilson, L. B., Fuselier, S. A., Burch, J. L., Contel, O. Le, Turner, D. L., Ogasawara, K., Brosius, A. L., Russell, C. T., Ergun, R. E., Ahmadi, N., Gershman, D. J., Lindqvist, P.-A.

    Published in The Astrophysical journal (10-02-2021)
    “…Shock parameters at Earth’s bow shock, in rare instances, can approach the Mach numbers predicted at astrophysical shocks and supernova remnants. We present…”
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    Journal Article
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    Multispacecraft Energetic Particle Enhancements Associated with a Single Corotating Interaction Region by Starkey, M. J., Dayeh, M. A., Desai, M. I., Bučík, R., Hart, S. T., Elliott, H. A.

    Published in The Astrophysical journal (01-02-2024)
    “…Abstract The radial evolution of particles accelerated at corotating interaction regions (CIRs) is not fully understood, particularly the distance range over…”
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    Journal Article
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    Spectral Properties and the Influence of Coronal Mass Ejections in 3He-rich Solar Energetic Particle Events by Hart, Samuel T., Dayeh, M. A., Bučík, R., Mason, G. M., Desai, M. I., Ebert, R. W., Ho, G. C., Shmies, A. A.

    Published in The Astrophysical journal (01-10-2024)
    “…We analyze the spectral properties of 3He and 4He as well as the heavy ions (oxygen, neon, magnesium, silicon, and iron) in 80 3He-rich solar energetic…”
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    Journal Article
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    Comparing Energetic Storm Particle Heavy-ion Properties in Solar Cycles 23 and 24 by Santa Fe Dueñas, A., Ebert, R. W., Dayeh, M. A., Desai, M. I., Jian, L. K., Li, G.

    Published in The Astrophysical journal (01-08-2023)
    “…Abstract We examine variations in energetic storm particle (ESP) heavy-ion average intensities and energy spectra between ∼0.1 and 75 MeV nucleon −1 at coronal…”
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    Journal Article
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    Parker Solar Probe Encounters the Leg of a Coronal Mass Ejection at 14 Solar Radii by McComas, D. J., Sharma, T., Christian, E. R., Cohen, C. M. S., Desai, M. I., Hill, M. E., Khoo, L. Y., Matthaeus, W. H., Mitchell, D. G., Pecora, F., Rankin, J. S., Schwadron, N. A., Szalay, J. R., Shen, M. M., Braga, C. R., Mostafavi, P. S., Bale, S. D.

    Published in The Astrophysical journal (01-02-2023)
    “…Abstract We use Parker Solar Probe (PSP) observations to report the first direct measurements of the particle and field environments while crossing the leg of…”
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    Journal Article
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    Source Population and Acceleration Location of Suprathermal Heavy Ions in Corotating Interaction Regions by Filwett, R. J., Desai, M. I., Dayeh, M. A., Broiles, T. W.

    Published in The Astrophysical journal (20-03-2017)
    “…We have analyzed the ∼20-320 keV nucleon−1 suprathermal (ST) heavy ion abundances in 41 corotating interaction regions (CIRs) observed by the Wind spacecraft…”
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    Journal Article
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    CHARGE-EXCHANGE COUPLING BETWEEN PICKUP IONS ACROSS THE HELIOPAUSE AND ITS EFFECT ON ENERGETIC NEUTRAL HYDROGEN FLUX by Zirnstein, E J, HEERIKHUISEN, J, Zank, G P, Pogorelov, N V, McComas, D J, Desai, M I

    Published in The Astrophysical journal (10-03-2014)
    “…Pickup ions (PUIs) appear to play an integral role in the multi-component nature of the plasma in the interaction between the solar wind (SW) and local…”
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    Journal Article
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    Modeling transport of energetic particles in corotating interaction regions: A case study by Zhao, Lulu, Li, Gang, Ebert, R. W., Dayeh, M. A., Desai, M. I., Mason, G. M., Wu, Z., Chen, Y.

    “…We investigate energetic particle transport in corotating interaction regions (CIRs) through a case study. The CIR event we study occurred on 8 February 2008…”
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    Journal Article
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    Composition and Spectral Properties of the 1 AU Quiet-Time Suprathermal Ion Population During Solar Cycle 23 by Dayeh, M. A, Desai, M. I, Dwyer, J. R, Rassoul, H. K, Mason, G. M, Mazur, J. E

    Published in The Astrophysical journal (10-03-2009)
    “…We have surveyed the spectral and compositional properties of suprathermal heavy ions during quiet times from 1995 January 1 to 2007 December 31 using…”
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    Journal Article
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    On the differences in composition between solar energetic particles and solar wind by MEWALDT, R. A, COHEN, C. M. S, ZURBUCHEN, T. H, MASON, G. M, CUMMINGS, A. C, DESAI, M. I, LESKE, R. A, RAINES, J, STONE, E. C, WIEDENBECK, M. E, VON ROSENVINGE, T. T

    Published in Space science reviews (01-06-2007)
    “…Issue Title: The Composition of Matter Although the average composition of solar energetic particles (SEPs) and the bulk solar wind are similar in a number of…”
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    Conference Proceeding Journal Article
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    COROTATING INTERACTION REGION ASSOCIATED SUPRATHERMAL HELIUM ION ENHANCEMENTS AT 1 AU: EVIDENCE FOR LOCAL ACCELERATION AT THE COMPRESSION REGION TRAILING EDGE by EBERT, R. W, DAYEH, M. A, DESAI, M. I, MASON, G. M

    Published in The Astrophysical journal (10-04-2012)
    “…We examined the temporal profiles and peak intensities for 73 corotating interaction region (CIR)-associated suprathermal (~0.1-8 MeV nucleon super(-1)) helium…”
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    Journal Article
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    Abundances and Energy Spectra of Corotating Interaction Region Heavy Ions Observed during Solar Cycle 23 by Mason, G. M, Leske, R. A, Desai, M. I, Cohen, C. M. S, Dwyer, J. R, Mazur, J. E, Mewaldt, R. A, Gold, R. E, Krimigis, S. M

    Published in The Astrophysical journal (10-05-2008)
    “…Using instruments on the ACE spacecraft, we surveyed the heavy-ion spectra and composition over the range He-Fe for 41 corotating interaction regions (CIRs)…”
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    Journal Article
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    INTERPLANETARY PROPAGATION OF SOLAR ENERGETIC PARTICLE HEAVY IONS OBSERVED AT 1 AU AND THE ROLE OF ENERGY SCALING by MASON, G. M, LI, G, COHEN, C. M. S, DESAI, M. I, HAGGERTY, D. K, LESKE, R. A, MEWALDT, R. A, ZANK, G. P

    Published in The Astrophysical journal (20-12-2012)
    “…We have studied ~0.3 to >100 MeV nucleon super(-1) H, He, O, and Fe in 17 large western hemisphere solar energetic particle events (SEP) to examine whether the…”
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    Journal Article
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    Proton, helium, and electron spectra during the large solar particle events of October–November 2003 by Mewaldt, R. A., Cohen, C. M. S., Labrador, A. W., Leske, R. A., Mason, G. M., Desai, M. I., Looper, M. D., Mazur, J. E., Selesnick, R. S., Haggerty, D. K.

    “…The extraordinary period from late October through early November 2003 was marked by more than 40 coronal mass ejections (CME), eight X‐class flares, and five…”
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    Journal Article