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Precision Measurement of Daily Proton and Helium Fluxes by the Alpha Magnetic Spectrometer

The precision measurement of the daily proton and helium fluxes will be presented. The period of observation covers 11 year solar cycle from the ascending phase through its maximum going toward its minimum. Time variations of the fluxes on different time scales associated to the solar activity are p...

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Detalles Bibliográficos
Autor principal: Jia, Yi
Lenguaje:eng
Publicado: 2023
Materias:
Acceso en línea:https://dx.doi.org/10.22323/1.444.0073
http://cds.cern.ch/record/2868219
Descripción
Sumario:The precision measurement of the daily proton and helium fluxes will be presented. The period of observation covers 11 year solar cycle from the ascending phase through its maximum going toward its minimum. Time variations of the fluxes on different time scales associated to the solar activity are presented. Detailed time variations of fluxes and ratio will be also presented. Remarkably, below 2.4 GV a hysteresis between the helium to proton flux ratio and the helium flux was observed at greater than the 7σ level.