activity
20052021
most citedDiscrepant hardening observed in cosmic-ray elemental spectra

365 citations · 1.5k across the 16 of their papers we have counts for

collaborators

16 papers

astro-ph.IM2021

A Decade of NASA Strategic Astrophysics Technology Investments: Technology Maturation, Infusion, and Other Benefits

Thai Pham, Opher Ganel, Azita Valinia +3

NASA Astrophysics Division funds development of cutting-edge technology to enable its missions to achieve ambitious and groundbreaking science goals. These technology development e…

astro-ph.HE2011★ 336 cited

Cosmic-Ray Proton and Helium Spectra from the First CREAM Flight

Y. S. Yoon, H. S. Ahn, P. S. Allison +31

Cosmic-ray proton and helium spectra have been measured with the balloon-borne Cosmic Ray Energetics And Mass experiment flown for 42 days in Antarctica in the 2004-2005 austral su…

astro-ph.HE2011★ 339 cited

Energy Spectra of Abundant Nuclei of Primary Cosmic Rays from the Data of ATIC-2 Experiment: Final Results

A. D. Panov, J. H. Adams, H. S. Ahn +17

The final results of processing the data from the balloon-born experiment ATIC-2 (Antarctica, 2002-2003) for the energy spectra of protons and He, C, O, Ne, Mg, Si, and Fe nuclei,…

astro-ph.HE2010★ 365 cited

Discrepant hardening observed in cosmic-ray elemental spectra

H. S. Ahn, P. Allison, M. G. Bagliesi +29

The balloon-borne Cosmic Ray Energetics And Mass (CREAM) experiment launched five times from Antarctica has achieved a cumulative flight duration of about 156 days above 99.5% of t…

astro-ph.HE2010★ 4 cited

Elemental Spectra from the CREAM-I Flight

H. S. Ahn, P. Allison, M. G. Bagliesi +32

The Cosmic Ray Energetics And Mass (CREAM) is a balloon-borne experiment designed to measure the composition and energy spectra of cosmic rays of charge Z = 1 to 26 up to an energy…

astro-ph.HE2010★ 3 cited

Elemental energy spectra of cosmic rays measured by CREAM-II

P. Maestro, H. S. Ahn, P. Allison +30

We present new measurements of the energy spectra of cosmic-ray (CR) nuclei from the second flight of the balloon-borne experiment CREAM (Cosmic Ray Energetics And Mass). The instr…