Cosmic-Ray Positron Identification with the PAMELA experiment
O. Adriani, G.C. Barbarino, G.A. Bazilevskaya, R. Bellotti, A. Bianco,, M. Boezio, E.A. Bogomolov, M. Bongi, V. Bonvicini, S. Bottai, A. Bruno, F., Cafagna, D. Campana, R. Carbone, P. Carlson, M. Casolino, G. Castellini, C., De Santis, M.P. De Pascale, C. De Donato, N. De Simone
TL;DR
This paper reports on the measurement of the galactic positron energy spectrum using the PAMELA satellite experiment, providing insights into cosmic ray antimatter components across a broad energy range.
Contribution
It presents the first detailed measurement of the galactic positron spectrum from 500 MeV to hundreds of GeV using the PAMELA detector.
Findings
Positron spectrum measured up to hundreds of GeV
Data supports models of cosmic ray propagation
Results contribute to understanding antimatter in space
Abstract
The PAMELA satellite borne experiment is designed to study cosmic rays with great accuracy in a wide energy range. One of PAMELA's main goal is the study of the antimatter component of cosmic rays. The experiment, housed on board the Russian satellite Resurs-DK1, was launched on June 15th 2006 and it is still taking data. In this work we present the measurement of galactic positron energy spectrum in the energy range between 500 MeV and few hundred GeV.
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Taxonomy
TopicsDark Matter and Cosmic Phenomena · Particle Detector Development and Performance · Neutrino Physics Research