Inference of the Local Interstellar Spectra of Cosmic-Ray Nuclei Z ≤ 28 with the GALPROP-HELMOD Framework

被引：74

作者：

Boschini, M. J. ^{[1
,2
]}

Della Torre, S. ^{[1
]}

Gervasi, M. ^{[1
,3
]}

Grandi, D. ^{[1
,3
]}

Johannesson, G. ^{[4
,5
]}

La Vacca, G. ^{[1
,3
]}

Masi, N. ^{[6
,7
]}

Moskalenko, I., V ^{[8
,9
]}

Pensotti, S. ^{[1
,3
]}

Porter, T. A. ^{[8
,9
]}

Quadrani, L. ^{[6
,7
]}

Rancoita, P. G. ^{[1
]}

Rozza, D. ^{[1
,3
]}

Tacconi, M. ^{[1
,3
]}

机构：

[1] Ist Nazl Fis Nucl, Milan, Italy

[2] CINECA, Milan, Italy

[3] Univ Milano Bicocca, Phys Dept, Milan, Italy

[4] Univ Iceland, Sci Inst, Dunhaga 3, IS-107 Reykjavik, Iceland

[5] NORDITA, Roslagstullsbacken 23, S-10691 Stockholm, Sweden

[6] Ist Nazl Fis Nucl, Bologna, Italy

[7] Univ Bologna, Phys Dept, Bologna, Italy

[8] Stanford Univ, Hansen Expt Phys Lab, Stanford, CA 94305 USA

[9] Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, Stanford, CA 94305 USA

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2020年 / 250卷 / 02期

关键词：

Galactic cosmic rays; Interplanetary medium; Interstellar medium; Heliosphere; Cosmic ray sources; Cosmic ray detectors; PARTIAL CROSS-SECTIONS; CONTINUUM GAMMA-RAYS; ENERGY-SPECTRA; CHEMICAL-COMPOSITION; ISOTOPIC COMPOSITION; CHARGE COMPOSITION; PROPAGATION; EMISSION; PARTICLE; PROTON;

D O I：

10.3847/1538-4365/aba901

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Composition and spectra of Galactic cosmic rays (CRs) are vital for studies of high-energy processes in a variety of environments and on different scales, for interpretation of gamma-ray and microwave observations, for disentangling possible signatures of new phenomena, and for understanding of our local Galactic neighborhood. Since its launch, AMS-02 has delivered outstanding-quality measurements of the spectra of (p) over bar, e(+/-), and nuclei: H-1-O-8, Ne-10, Mg-12, Si-14. These measurements resulted in a number of breakthroughs; however, spectra of heavier nuclei and especially low-abundance nuclei are not expected until later in the mission. Meanwhile, a comparison of published AMS-02 results with earlier data from HEAO-3-C2 indicates that HEAO-3-C2 data may be affected by undocumented systematic errors. Utilizing such data to compensate for the lack of AMS-02 measurements could result in significant errors. In this paper we show thata fractionof HEAO-3-C2 datamatchavailable AMS-02 measurements quite well and can be used together with Voyager 1 and ACE-CRIS data to makepredictionsfor the local interstellar spectra (LIS) of nuclei that are not yet released by AMS-02. We are also updating our already-published LIS to provide a complete set from(1) H-(28) Ni in the energy range from 1 MeV nucleon(-1) to similar to 100-500 TeV nucleon(-1), thus covering 8-9 orders of magnitude in energy. Our calculations employ the GalProp-HelModframework, which has proved to be a reliable tool in deriving the LIS of CR (p) over bar, e(-), and nuclei H-1-O-8.

引用

页数：30

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