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Analysis on H spectral shape during the early 2012 SEPs with the PAMELA experiment

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Apr 2014 Italy Publisher:Elsevier BVJournal:Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, volume 742, pages 158-161 (issn: 0168-9002,

Authors: Martucci, M; Boezio, M; Bravar, U; Carbone, R; Christian, E; De Nolfo, G; Merge, M; +62 Authors

doi: 10.1016/j.nima.2013.11.078

handle: 11588/598654 , 20.500.14243/223547 , 11390/1126180 , 2108/96027 , 2158/866045

Analysis on H spectral shape during the early 2012 SEPs with the PAMELA experiment

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Abstract

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. © 2013 Elsevier B.V.

Country

Italy

Related Organizations

Stockholm University
Sweden
Università degli studi di Salerno
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University of Udine
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Keywords

Settore FIS/04 - FISICA NUCLEARE E SUBNUCLEARE, Solar energetic particles, PAMELA, SEPs, Protons, Ground level enhancements, SEPs, Cosmic rays, Protons, Solar energy; Direct measurement, Ground level enhancements, Imaging calorimeters, PAMELA, Preliminary analysis, SEPs, Silicon strip tracker, Solar energetic particles, Spectral shapes; Experiments, Protons, Preliminary analysis, Spectral shapes, 530, PAMELA; SEPs; Protons, SEP, Imaging calorimeters, PAMELA; Protons; SEPs; Nuclear and High Energy Physics; Instrumentation, Solar energy, PAMELA, Direct measurement, Silicon strip tracker, Protons, Experiments, Cosmic rays

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