Precision Measurement of the Positron Fraction in Primary Cosmic Rays with AMS on the Space Station

The AMS-02 experiment is a large acceptance spectrometer continuously operating onboard the International Space Station since May 2011. One of the main objectives of the AMS-02 mission is the measurement of the rare antimatter components of cosmic rays. In six years of operations, AMS-02 has detecte...

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Detalles Bibliográficos
Autores principales: Vagelli, Valerio, Basegmez du Pree, Suzan
Lenguaje:eng
Publicado: SISSA 2017
Materias:
Astrophysics and Astronomy
Acceso en línea:https://dx.doi.org/10.22323/1.314.0026
http://cds.cern.ch/record/2838139
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author Vagelli, Valerio
Basegmez du Pree, Suzan
author_facet Vagelli, Valerio
Basegmez du Pree, Suzan
author_sort Vagelli, Valerio
collection CERN
description The AMS-02 experiment is a large acceptance spectrometer continuously operating onboard the International Space Station since May 2011. One of the main objectives of the AMS-02 mission is the measurement of the rare antimatter components of cosmic rays. In six years of operations, AMS-02 has detected 20 million cosmic ray electrons and positrons that have been used to precisely measure the positron fraction – the ratio of positrons over the sum of positrons and electrons – in cosmic rays from 0.5 GeV to 700 GeV. The analysis of the latest data collected by AMS-02 extends the energy range of the previous measurement and improves its precision.
id cern-2838139
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2017
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spelling cern-28381392022-10-27T16:09:08Zdoi:10.22323/1.314.0026http://cds.cern.ch/record/2838139engVagelli, ValerioBasegmez du Pree, SuzanPrecision Measurement of the Positron Fraction in Primary Cosmic Rays with AMS on the Space StationAstrophysics and AstronomyThe AMS-02 experiment is a large acceptance spectrometer continuously operating onboard the International Space Station since May 2011. One of the main objectives of the AMS-02 mission is the measurement of the rare antimatter components of cosmic rays. In six years of operations, AMS-02 has detected 20 million cosmic ray electrons and positrons that have been used to precisely measure the positron fraction – the ratio of positrons over the sum of positrons and electrons – in cosmic rays from 0.5 GeV to 700 GeV. The analysis of the latest data collected by AMS-02 extends the energy range of the previous measurement and improves its precision.The AMS-02 experiment is a large acceptance spectrometer continuously operating onboard the International Space Station since May 2011. One of the main objectives of the AMS-02 mission is the measurement of the rare antimatter components of cosmic rays. In six years of operations, AMS-02 has detected $\sim$20 million cosmic ray electrons and positrons that have been used to precisely measure the positron fraction -- the ratio of positrons over the sum of positrons and electrons -- in cosmic rays from 0.5\,GeV to 700\,GeV. The analysis of the latest data collected by AMS-02 extends the energy range of the previous measurement and improves its precision.SISSAoai:cds.cern.ch:28381392017
spellingShingle Astrophysics and Astronomy
Vagelli, Valerio
Basegmez du Pree, Suzan
Precision Measurement of the Positron Fraction in Primary Cosmic Rays with AMS on the Space Station
title Precision Measurement of the Positron Fraction in Primary Cosmic Rays with AMS on the Space Station
title_full Precision Measurement of the Positron Fraction in Primary Cosmic Rays with AMS on the Space Station
title_fullStr Precision Measurement of the Positron Fraction in Primary Cosmic Rays with AMS on the Space Station
title_full_unstemmed Precision Measurement of the Positron Fraction in Primary Cosmic Rays with AMS on the Space Station
title_short Precision Measurement of the Positron Fraction in Primary Cosmic Rays with AMS on the Space Station
title_sort precision measurement of the positron fraction in primary cosmic rays with ams on the space station
topic Astrophysics and Astronomy
url https://dx.doi.org/10.22323/1.314.0026
http://cds.cern.ch/record/2838139
work_keys_str_mv AT vagellivalerio precisionmeasurementofthepositronfractioninprimarycosmicrayswithamsonthespacestation
AT basegmezdupreesuzan precisionmeasurementofthepositronfractioninprimarycosmicrayswithamsonthespacestation

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