Detected Abundances of Nuclei Relative to ₂₆Fe for Elements ₁₄Si through ₄₄Ru with CALET on the International Space Station

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dc.contributor.authorAdriani, O.
dc.contributor.authorAkaike, Y.
dc.contributor.authorAsano, K.
dc.contributor.authorAsaoka, Y.
dc.contributor.authorBerti, E.
dc.contributor.authorBetti, P.
dc.contributor.authorBigongiari, G.
dc.contributor.authorBinns, W. R.
dc.contributor.authorBongi, M.
dc.contributor.authorBrogi, P.
dc.contributor.authorBruno, A.
dc.contributor.authorCannady, Nicholas
dc.contributor.authorCastellini, G.
dc.contributor.authorChecchia, C.
dc.contributor.authorCherry, M. L.
dc.contributor.authorCollazuol, G.
dc.contributor.authorde Nolfo, G. A.
dc.contributor.authorEbisawa, K.
dc.contributor.authorFicklin, A. W.
dc.contributor.authorFuke, H.
dc.contributor.authorGonzi, S.
dc.contributor.authorGuzik, T. G.
dc.contributor.authorHams, Thomas
dc.contributor.authorHibino, K.
dc.contributor.authorIchimura, M.
dc.contributor.authorIsrael, M. H.
dc.contributor.authorKasahara, K.
dc.contributor.authorKataoka, J.
dc.contributor.authorKataoka, R.
dc.contributor.authorKatayose, Y.
dc.contributor.authorKato, C.
dc.contributor.authorKawanaka, N.
dc.contributor.authorKawakubo, Y.
dc.contributor.authorKobayashi, K.
dc.contributor.authorKohri, K.
dc.contributor.authorKrawczynski, H. S.
dc.contributor.authorKrizmanic, J. F.
dc.contributor.authorMaestro, P.
dc.contributor.authorMarrocchesi, P. S.
dc.contributor.authorMattiazzi, M.
dc.contributor.authorMessineo, A. M.
dc.contributor.authorMitchell, J. W.
dc.contributor.authorMiyake, S.
dc.contributor.authorMoiseev, A. A.
dc.contributor.authorMori, M.
dc.contributor.authorMori, N.
dc.contributor.authorMotz, H. M.
dc.contributor.authorMunakata, K.
dc.contributor.authorNakahira, S.
dc.contributor.authorNishimura, J.
dc.contributor.authorNegro, M.
dc.contributor.authorOkuno, S.
dc.contributor.authorOrmes, J. F.
dc.contributor.authorOzawa, S.
dc.contributor.authorPacini, L.
dc.contributor.authorPapini, P.
dc.contributor.authorRauch, B. F.
dc.contributor.authorRicciarini, S. B.
dc.contributor.authorSakai, Kazuhiro
dc.contributor.authorSakamoto, T.
dc.contributor.authorSasaki, M.
dc.contributor.authorShimizu, Y.
dc.contributor.authorShiomi, A.
dc.contributor.authorSpillantini, P.
dc.contributor.authorStolzi, F.
dc.contributor.authorSugita, S.
dc.contributor.authorSulaj, A.
dc.contributor.authorTakita, M.
dc.contributor.authorTamura, T.
dc.contributor.authorTerasawa, T.
dc.contributor.authorTorii, S.
dc.contributor.authorTsunesada, Y.
dc.contributor.authorUchihori, Y.
dc.contributor.authorVannuccini, E.
dc.contributor.authorWefel, J. P.
dc.contributor.authorYamaoka, K.
dc.contributor.authorYanagita, S.
dc.contributor.authorYoshida, A.
dc.contributor.authorYoshida, K.
dc.contributor.authorZober, W. V.
dc.contributor.authorCollaboration, The CALET
dc.date.accessioned2025-08-13T20:14:42Z
dc.date.issued2025-07-21
dc.description.abstractThe Calorimetric Electron Telescope (CALET), launched to the International Space Station (ISS) in 2015 August and continuously operating since, measures cosmic-ray (CR) electrons, nuclei, and gamma rays. CALET, with its 27 radiation length deep Total Absorption Calorimeter, measures particle energy and allows for the measurement of spectra, secondary to primary ratios of the more abundant CR nuclei through ₂₈Ni, while the main charge detector can measure ultra-heavy CR nuclei through ₄₄Ru. The results for the abundances of elements from Z = 14 to Z = 44 relative to ₂₆Fe over 7.5 yr of observation are presented here and compared to previous measurements from ACE-CRIS, SuperTIGER, and HEAO-3.
dc.description.sponsorshipCALET is currently approved to continue operating through 2030. We gratefully acknowledge JAXA’s contributions to the development of CALET and to the operations aboard the JEMEF on the International Space Station. We also wish to express our sincere gratitude to Agenzia Spaziale Italiana (ASI) and NASA for their support of the CALET project. In Japan, this work was supported in part by JSPS Grant-in-Aid for Scientific Research (S) Nos. 26220708, 19H05608, and 24H00025; JSPS Grant-in-Aid for Scientific Research (B) No. 24K00665; and by the MEXT-Supported Program for the Strategic Research Foundation at Private Universities (2011–2015; No. S1101021) at Waseda University. The CALET effort in Italy is supported by ASI under agreement 2013-018-R.0 and its amendments. The CALET effort in the United States is supported by NASA through grants NNX16AC02G, NNX16AB99G, NNX11AE 06G, and 80NSSC20K0397. A.B. acknowledges support from NASA under award number 80GSFC24M0006.
dc.description.urihttps://iopscience.iop.org/article/10.3847/1538-4357/ade3cc
dc.format.extent14 pages
dc.genrejournal articles
dc.identifierdoi:10.13016/m2hv1w-eiub
dc.identifier.citationAdriani, O., Y. Akaike, K. Asano, T. Hams, et al. “Detected Abundances of Nuclei Relative to ₂₆Fe for Elements ₁₄Si through ₄₄Ru with CALET on the International Space Station.” The Astrophysical Journal 988, no. 2 (2025): 148. https://doi.org/10.3847/1538-4357/ade3cc.
dc.identifier.urihttps://doi.org/10.3847/1538-4357/ade3cc
dc.identifier.urihttp://hdl.handle.net/11603/39807
dc.language.isoen
dc.publisherAAS
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Faculty Collection
dc.relation.ispartofUMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rightsPublic Domain
dc.rights.urihttps://creativecommons.org/publicdomain/mark/1.0/
dc.titleDetected Abundances of Nuclei Relative to ₂₆Fe for Elements ₁₄Si through ₄₄Ru with CALET on the International Space Station
dc.typeText

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