The time evolution of the low-energy deuteron fluxes measured in Cosmic Rays with the PAMELA experiment from the 23rd solar minimum to the 24th solar maximum

The space-borne PAMELA experiment was launched on the 15th of June 2006 on board the Russian satellite Resurs-DK1 from the Baikonur Cosmodrome. The PAMELA instrument performed high-precision measurements of cosmic rays over a wide energy range until January 2016. We present the yearly average deuteron spectra for the 23rd solar minimum (July 2006 – January 2009) and the first part of the 24th solar maximum (until September 2014). The deuterons were selected with a rigidity between 0.75 and 2.6 GV by combining the Time of Flight (ToF) and the tracker systems. The measured spectra display a rising trend toward the solar minimum followed by a decreasing trend as the solar maximum approaches. The corresponding deuteron-to-proton flux ratios show time dependence at the lowest rigidities, as expected due to the different charge-to-mass ratios and the different shapes of the respective local interstellar spectra. These results are significant for the fine-tuning of propagation and modulation models of cosmic rays through the heliosphere.

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Publication Details

Journal
Astroparticle Physics
Published
2025-02-07
DOI
https://doi.org/10.1016/j.astropartphys.2025.103089
Citations
1
Primary Topic
Dark Matter and Cosmic Phenomena
Type
article
Field-Weighted Citation Impact
1.87

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article

The time evolution of the low-energy deuteron fluxes measured in Cosmic Rays with the PAMELA experiment from the 23rd solar minimum to the 24th solar maximum

P. Carlson, G. Osteria, S. Ricciarini, G. C. Barbarino et al.
1 citations
Astroparticle Physics
Dark Matter and Cosmic Phenomena
1.87
article

The time evolution of the low-energy deuteron fluxes measured in Cosmic Rays with the PAMELA experiment from the 23rd solar minimum to the 24th solar maximum

P. Carlson, G. Osteria, S. Ricciarini, G. C. Barbarino, V. V. Mikhailov, Alfonso Monaco, D. Campana, A. M. Galper, D. C. Ndiitwani, R. Bellotti, Marius S Potgieter, S. A. Voronov, E. Mocchiutti, А. Н. Квашнин, N. Mōri, Y. I. Stozhkov, S. Koldobskiy, A. Vacchi, Alessandro Sotgiu, M. Martucci, S. V. Koldashov, W. Menn, M. Bongi, R. Munini, V. Bonvicini, M. Boezio, P. Papini, A. Lenni, М. Мерге, V. Malakhov, G. A. Bazilevskaya, G. Zampa, M. Ricci, Innocentia Ramokgaba, Donald Ngobeni, N. Zampa, G. Castellini, É. A. Bogomolov, Aleksey A. Leonov, B. Panico, F. Cafagna, C. De Santis, Y. T. Yurkin, A. Bruno, R. Sparvoli, L. Marcelli, M. Casolino, N. Marcelli, P. Picozza, E. Vannuccini, O. Adriani, Francesco Palma, A. G. Mayorov, П. Спиллантини, M. Simon
article en
1 citations

Abstract

The space-borne PAMELA experiment was launched on the 15th of June 2006 on board the Russian satellite Resurs-DK1 from the Baikonur Cosmodrome. The PAMELA instrument performed high-precision measurements of cosmic rays over a wide energy range until January 2016. We present the yearly average deuteron spectra for the 23rd solar minimum (July 2006 – January 2009) and the first part of the 24th solar maximum (until September 2014). The deuterons were selected with a rigidity between 0.75 and 2.6 GV by combining the Time of Flight (ToF) and the tracker systems. The measured spectra display a rising trend toward the solar minimum followed by a decreasing trend as the solar maximum approaches. The corresponding deuteron-to-proton flux ratios show time dependence at the lowest rigidities, as expected due to the different charge-to-mass ratios and the different shapes of the respective local interstellar spectra. These results are significant for the fine-tuning of propagation and modulation models of cosmic rays through the heliosphere.

Astroparticle PhysicsVol. 168
University of Rome Tor Vergata (IT), P.N. Lebedev Physical Institute of the Russian Academy of Sciences (RU), Goddard Space Flight Center (US), University of Trieste (IT), University of America (US), University of Siegen (DE), North-West University (ZA), Christian-Albrechts-Universität zu Kiel (DE), Heliophysics (US), Istituto Nazionale di Fisica Nucleare, Sezione di Napoli (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Bari (IT), Physico-Technical Institute (RU), Istituto Nazionale di Fisica Nucleare, Sezione di Firenze (IT), AlbaNova (SE), Physical and Technical Institute (BY), Istituto Nazionale di Fisica Nucleare, Sezione di Trieste (IT), Institute for Fundamental Physics of the Universe (IT), University of Florence (IT), University of Bari Aldo Moro (IT), University of Naples Federico II (IT), Catholic University of America (US), Ioffe Institute (RU)
Ministero degli Affari Esteri e della Cooperazione Internazionale
Affordable and clean energy
Openalex Percentile: Top 16%
Dark Matter and Cosmic Phenomena
1.87
DOIOpen Access PDFOpenAlex
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