Searching for cosmic ray anisotropy using the calorimeter in the PAMELA experiment. Bulletin of the Russian Academy of Sciences: Physics Volume 77, Issue 11, November 2013, Pages 1305-1308

14 сентября 2018
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Вид публикации Статья
Контактные данные автора публикации Karelin, A.V.a , Adriani, O.d, Barbarino, G.C.et.al.
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Аннотация

The satellite-borne PAMELA experiment studies cosmic ray spectra over a wide range of energies. The instrument was placed in orbit in June 2006 and remains there to the present day. A position-sensitive calorimeter is one of the main parts of the PAMELA instrument. The calorimeter data are used to determine the energy of particles that interact within it, separate the electron component of the detected radiation from the nuclear component, and reconstruct the tracks of particles passing through the instrument. The special calorimeter and S4 scintillation shower detector triggers enables us to expand our statistics considerably. Using the calorimeter data in generating these triggers means we can study the anisotropy of cosmic rays with energies in excess of tens of GeV. This method of anisotropy detection is based on reconstructing the direction of a particles arrival from the axis of the secondary particle cascade in the calorimeter.
Indexed keywords
A-particles; Cosmic ray anisotropy; Cosmic ray spectra; Electron component; Experiment study; Nuclear components; Position sensitive; Secondary particles
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