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My research studies solar flares, huge releases of energy in the Sun’s atmosphere. Solar flares provide us with an astrophysical laboratory for understanding processes such as magnetic reconnection and turbulence, and the production and properties of energetic particles. My work uses high energy observations (X-ray, EUV) to study flares and energetic particles at the Sun, and the creation of kinetic models to study particle acceleration and particle and X-ray transport effects in flares.��

• Constraining Turbulent Solar Flare Acceleration Regions by Connecting Kinetic Modeling and X-Ray Observations, Stores, M., Jeffrey, N., Dickson, E., McLaughlin, J., Kontar, E. 9 Apr 2026, In: Astrophysical Journal
• Transport of Electrons in Tangled Magnetic Fields, Verscharen, D., Jeffrey, N., Artemyev, A., Coburn, J., Kunz, M., Pezzi, O., Riquelme, M., Svenningsson, I., Wilson��III, L. 23 May 2026, In: Space Science Reviews
• Exploring the Origin of Solar Energetic Electrons II: Investigating Turbulent Coronal Acceleration, Pallister, R., Jeffrey, N., Stores, M. 10 Apr 2025, In: Astrophysical Journal
• Time-dependent Turbulent Electron Acceleration and Transport in Solar Flares, Schiavo, L., Jeffrey, N., Botha, G., McLaughlin, J. 1 Dec 2025, In: The Astrophysical Journal
• Tracing the heliospheric magnetic field via anisotropic radio-wave scattering, Clarkson, D., Kontar, E., Chrysaphi, N., Emslie, A., Jeffrey, N., Krupar, V., Vecchio, A. 2 Apr 2025, In: Scientific Reports
• A Modelling Investigation for Solar Flare X-ray Stereoscopy with Solar Orbiter/STIX and Earth Orbiting Missions, Jeffrey, N., Krucker, S., Stores, M., Kontar, E., Saint-Hilaire, P., Battaglia, A., Hayes, L., Collier, H., Veronig, A., Su, Y., Tadepalli, S., Xia, F. 1 Apr 2024, In: Astrophysical Journal
• First joint X-ray solar microflare observations with NuSTAR and Solar Orbiter/STIX, Bajnoková, N., Hannah, I., Cooper, K., Krucker, S., Grefenstette, B., Smith, D., Jeffrey, N., Duncan, J. 5 Sep 2024, In: Monthly Notices of the Royal Astronomical Society
• Advances in 3D solar flare modelling, Druett, M., Jeffrey, N. 1 Oct 2023, In: Astronomy and Geophysics
• An Anisotropic Density Turbulence Model from the Sun to 1 au Derived from Radio Observations, Kontar, E., Emslie, A., Clarkson, D., Chen, X., Chrysaphi, N., Azzollini, F., Jeffrey, N., Gordovskyy, M. 1 Oct 2023, In: The Astrophysical Journal

• STFC Consolidated Grant for the Solar and Space Physics Group at �ֲ���ý��Ƶ, McLaughlin, J. (Principal Investigator), Jeffrey, N. (Co Investigator), Science and Technologies Facilities Council, 01/04/23 - 31/03/26, £1,289,803.00