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N. Larsen

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Articles by N. Larsen

Radiation Impact of the Halloween GLE Events During the October-November 2003 Period

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By N. Larsen, Space Physics, A. L. Mishev
| Wiley Online Library Verified
1 Introduction Galactic cosmic-rays (GCRs) are high-energy particles, which are omnipresent throughout the galaxy, currently thought to be produced within supernova remnants (Blasi, 2013). Through acceleration mechanisms GCRs can reach energies up to the PeV and EeV ranges (Abbasi et al., 2018). GCRs travel vast distances from their point of origin throughout the galaxy experiencing diffusion as they encounter magnetic inhomogeneities (Kulsrud & Pearce, 1969).
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Relationship Between NM Data and Radiation Dose at Aviation Altitudes During GLE Events

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By N. Larsen, Space Physics, A. L. Mishev
| Wiley Online Library Verified
1 Introduction Cosmic rays (CRs) are highly energetic particles produced throughout the universe by various acceleration mechanisms. At Earth, CRs are typically observed to bombard the Earth in an isotropic nature, these CRs are known as galactic cosmic rays (GCRs), however, large mostly anisotropic fluxes of CRs, with energies in the range of up to 10 GeV, can be produced locally by our Sun.
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Analysis of the Ground Level Enhancement GLE 60 on 15 April 2001, and Its Space Weather Effects: Comparison With Dosimetric Measurements

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By Space Physics, N. Larsen, A. L. Mishev
| Wiley Online Library Verified
1 Introduction The Sun occasionally accelerates particles into the high-energy range, known as solar energetic particles (SEPs), following eruptive events such as solar flares and/or coronal mass ejections (CMEs) (e.g., E. Cliver et al., 2004; Desai & Giacalone, 2016; Klein & Dalla, 2017; Reames, 1999). An important question in the field of solar physics is the origin of SEPs, specifically the relativistic part (e.g., Anastasiadis et al., 2019; E. W. Cliver et al., 2022, and references therein).
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