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PAMELA: Measurements of matter and antimatter in space
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2011 (English)In: Nuovo cimento della societa italiana de fisica. C, Geophysics and space physics, ISSN 1124-1896, E-ISSN 1826-9885, Vol. 34, no 3, p. 79-87Article in journal (Refereed) Published
Abstract [en]

On the 15th of June 2006, the PAMELA satellite-borne experiment was launched from the Baikonur cosmodrome and it has been collecting data since July 2006. The apparatus comprises a time-of-flight system, a silicon-microstrip magnetic spectrometer, a silicon-tungsten electromagnetic calorimeter, an anticoincidence system, a shower tail counter scintillator and a neutron detector. The combination of these devices allows precision studies of the charged cosmic radiation to be conducted over a wide energy range (100 MeV-100's GeV) with high statistics. The primary scientific goal is the measurement of the antiproton and positron energy spectra in order to search for exotic sources, such as dark matter particle annihilations. PAMELA is also searching for primordial antinuclei (antihelium), and testing cosmic-ray propagation models through precise measurements of the antiparticle energy spectrum and precision studies of light nuclei and their isotopes. Moreover, PAMELA investigates phenomena connected with solar and earth physics. The main results and updated data will be presented.

Place, publisher, year, edition, pages
2011. Vol. 34, no 3, p. 79-87
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Physical Sciences
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URN: urn:nbn:se:kth:diva-148760DOI: 10.1393/ncc/i2011-10849-2Scopus ID: 2-s2.0-84870464711OAI: oai:DiVA.org:kth-148760DiVA, id: diva2:738144
Note

QC 20140815

Available from: 2014-08-15 Created: 2014-08-11 Last updated: 2017-12-05Bibliographically approved

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Pearce, Mark

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