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Analysis on H spectral shape during the early 2012 SEPs with the PAMELA experiment
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2014 (English)In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 742, p. 158-161Article in journal (Refereed) Published
Abstract [en]

The satellite-borne PAMELA experiment has been continuously collecting data since 2006. This apparatus is designed to study charged particles in the cosmic radiation. The combination of a permanent magnet, a silicon strip tracker and a silicon-tungsten imaging calorimeter, and the redundancy of instrumentation allow very precise studies on the physics of cosmic rays in a wide energy range and with high statistics. This makes PAMELA a very suitable instrument for Solar Energetic Particle (SEP) observations. Not only does it span the energy range between the ground-based neutron monitor data and the observations of SEPs from space, but PAMELA also carries out the first direct measurements of the composition for the highest energy SEP events, including those causing Ground Level Enhancements (GLEs). In particular, PAMELA has registered many SEP events during solar cycle 24, offering unique opportunities to address the question of high-energy SEP origin. A preliminary analysis on proton spectra behaviour during this event is presented in this work.

Place, publisher, year, edition, pages
2014. Vol. 742, p. 158-161
Keywords [en]
PAMELA, SEPs, Protons
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-144938DOI: 10.1016/j.nima.2013.11.078ISI: 000333778100027Scopus ID: 2-s2.0-84898016486OAI: oai:DiVA.org:kth-144938DiVA, id: diva2:716162
Note

QC 20140508

Available from: 2014-05-08 Created: 2014-05-05 Last updated: 2017-12-05Bibliographically approved

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Pearce, Mark

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Particle and Astroparticle Physics
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