Estimation of the Backscattered Particle Flux in the PAMELA Calorimeter

In the high-energy region, the spectra of cosmic ray particles are measured using calorimeters and particle charge detectors. Particles flying in the directions opposite to those of the cascade development (backscattered flux) can distort the results of such experiments [1, 2]. In this paper, by the...

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Bibliographic Details
Published in:Bulletin of the Lebedev Physics Institute 2019-02, Vol.46 (2), p.41-47
Main Authors: Kvashnin, A. A., Kvashnin, A. N., Logachev, V. I., Stozhkov, Yu. I.
Format: Article
Language:English
Subjects:
Backscattering
Cosmic rays
Flux
Physics
Physics and Astronomy
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Summary:In the high-energy region, the spectra of cosmic ray particles are measured using calorimeters and particle charge detectors. Particles flying in the directions opposite to those of the cascade development (backscattered flux) can distort the results of such experiments [1, 2]. In this paper, by the example of the particle charge detector and the PAMELA spectrometer calorimeter, the contribution of the backscattered particle flux when determining the primary particle charge as well as determining its energy in the calorimeter is estimated.
ISSN:1068-3356
1934-838X
DOI:10.3103/S1068335619020015