The High Energy Light Isotope eXperiment program of direct cosmic-ray studies

被引：0

作者：

Coutu, S. ^{[1
]}

Allison, P. S. ^{[2
]}

Baiocchi, M. ^{[3
]}

Beatty, J. J. ^{[2
]}

Beaufore, L. ^{[2
,4
]}

Calderon, D. H. ^{[2
]}

Castano, A. G. ^{[4
]}

Chen, Y. ^{[1
]}

Green, N. ^{[5
]}

Hanna, D. ^{[6
]}

Jeon, H. B. ^{[4
]}

Klein, S. B. ^{[6
]}

Kunkler, B. ^{[6
]}

Lang, M. ^{[6
]}

Mbarek, R. ^{[4
]}

Mcbride, K. ^{[2
,4
]}

Mognet, S. I. ^{[1
]}

Musser, J. ^{[7
]}

Nutter, S. ^{[8
]}

O'Brien, S. ^{[6
]}

Park, N. ^{[3
]}

Powledge, K. M. ^{[4
]}

Sakai, K. ^{[4
]}

Tabata, M. ^{[9
]}

Tarle, G. ^{[5
]}

Tuttle, J. M. ^{[4
]}

Visser, G. ^{[6
]}

Wakely, S. P. ^{[4
]}

Yu, M. ^{[1
]}

机构：

[1] Penn State Univ, Inst Gravitat & Cosmos, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA

[2] Ohio State Univ, Ctr Cosmol & AstroParticle Phys, Dept Phys, Phys Res Bldg, 191 West Woodruff Ave, Columbus, OH 43210 USA

[3] Queens Univ, Dept Phys Engn Phys & Astron, Stirling Hall,64 Bader Lane, Kingston, ON K7L 3N6, Canada

[4] Univ Chicago, Enr Fermi Inst, 933 East 56th St, Chicago, IL 60637 USA

[5] Univ Michigan, Dept Phys, Randall Lab, 450 Church St, Ann Arbor, MI 48109 USA

[6] McGill Univ, Dept Phys, Ernest Rutherford Phys Bldg, 3600 Univ St, Montreal, PQ H3A 2T8, Canada

[7] Indiana Univ, Phys Dept, Swain Hall West, Bloomington, IN 47405 USA

[8] Northern Kentucky Univ, Dept Phys Geol & Engn Technol, Sci Ctr 147, Highland Hts, KY 41076 USA

[9] Chiba Univ, Aerogel Factory Co Ltd, 401 KCRC Bldg,1-33 Yayoicho,Inage Ku, Chiba, Chiba 2630022, Japan

来源：

JOURNAL OF INSTRUMENTATION | 2024年 / 19卷 / 01期

基金：

美国国家航空航天局; 加拿大自然科学与工程研究理事会;

关键词：

Cherenkov detectors; Particle identification methods; Particle tracking detectors; Spectrometers; ABUNDANCE; NUCLEI;

D O I：

10.1088/1748-0221/19/01/C01025

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

HELIX is a new NASA -sponsored instrument aimed at measuring the spectra and composition of light cosmic -ray isotopes from hydrogen to neon nuclei, in particular the clock isotopes 10Be (radioactive, with 1.4 Myr lifetime) and 9Be (stable). The latter are unique markers of the production and Galactic propagation of secondary cosmic -ray nuclei, and are needed to resolve suchimportant mysteries as the proportion of secondary positrons in the excess of antimatter observed by the AMS-02 experiment. By using a combination of a 1 T superconducting magnet spectrometer (with drift-chamber tracker) with a high-resolution time-of-flight detector system and ring-imaging Cherenkov detector, mass-resolved isotope measurements of light cosmic-ray nuclei will be possible up to 3 GeV/n in a first stratospheric balloon flight from Kiruna, Sweden to northern Canada, anticipated to take place in early summer 2024. An eventual longer Antarctic balloon flight of HELIX will yield measurements up to 10 GeV/n, sampling production from a larger volume of the Galaxy extending into the halo. We review the instrument design, testing, status and scientific prospects.

引用

页数：14

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