activity
19972026
most citedMeasurements of the Cosmic-Ray Positron Fraction From 1 to 50 GeV

467 citations · 2.4k across the 21 of their papers we have counts for

collaborators

21 papers

astro-ph.IM2026

The High-Energy Light Isotope eXperiment (HELIX) Instrument

P. S. Allison, M. Baiocchi, J. J. Beatty +27

The HELIX detector is a balloon-borne instrument designed to measure the flux of light (Z < 11) cosmic-ray isotopes. In this paper we describe the initial configuration of HELIX, o…

astro-ph.IM2025

The Silicon Strip Detector Subsystem for the Trans-Iron Galactic Element Recorder for the International Space Station (TIGERISS)

John F. Krizmanic, Scott Nutter

The Trans-Iron Galactic Element Recorder for the International Space Station (TIGERISS) is under construction and is planned for launch in 2027 and will be attached at the SOX loca…

astro-ph.IM2023

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

HELIX Collaboration, S. Coutu, P. S. Allison +27

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…

astro-ph.IM2023★ 4 cited

Electron-beam Calibration of Aerogel Tiles for the HELIX RICH Detector

P. Allison, M. Baiocchi, J. J. Beatty +21

The HELIX cosmic-ray detector is a balloon-borne instrument designed to measure the flux of light isotopes in the energy range from 0.2 GeV/n to beyond 3 GeV/n. It will rely on a r…

physics.ins-det2019★ 17 cited

Developing a silica aerogel radiator for the HELIX ring-imaging Cherenkov system

Makoto Tabata, Patrick Allison, James J. Beatty +18

This paper reports the successful fabrication of silica aerogel Cherenkov radiators produced in the first batches from a 96-tile mass production performed using pin-drying techniqu…

astro-ph.HE2017★ 274 cited

Proton and Helium Spectra from the CREAM-III Flight

Y. S. Yoon, T. Anderson, A. Barrau +22

Primary cosmic-ray elemental spectra have been measured with the balloon-borne Cosmic Ray Energetics And Mass (CREAM) experiment since 2004. The third CREAM payload (CREAM-III) fle…