The HELIX Drift Chamber Tracker Design and Implementation

K. McBride, P. S. Allison, M. Baiocchi, J. J. Beatty, L. Beaufore, D. H. Calderón, A. G. Castano, Y. Chen, S. Coutu, N. Green, D. Hanna, H. B. Jeon, S. B. Klein, B. Kunkler, M. Lang, R. Mbarek, S. I. Mognet, J. Musser, S. Nutter, S. O’BrienN. Park, K. M. Powledge, K. Sakai, M. Tabata, G. Tarlé, J. M. Tuttle, G. Visser, S. P. Wakely, M. Yu

Research output: Contribution to journalConference articlepeer-review

Abstract

HELIX (High Energy Light Isotope eXperiment) is a balloon-borne experiment designed to measure the chemical and isotopic abundances of light cosmic-ray nuclei. Detailed measurements by HELIX, especially of 10Be from ∼0.2 GeV/n to beyond 3 GeV/n, will provide essential insights into the propagation processes of the cosmic rays. HELIX measures the rigidity of cosmic rays by tracking their deflection in a 1 Tesla magnetic field with its Drift Chamber Tracker (DCT). This high-resolution gas tracking system utilizes 216 sensing wires with diameter 20 µm to provide both bending and non-bending view measurements. The DCT sense wires collect cosmic-ray-induced ionization through a strong electric drift field of 1 kV/cm. Precise monitoring and control of the gas composition and drift field are accomplished with a suite of housekeeping instruments. We present the design and implementation of the DCT and its readout electronics and highlight cosmic-ray muon analysis developments with straight-through tracks.

Original languageEnglish (US)
Article number123
JournalProceedings of Science
Volume444
StatePublished - Sep 27 2024
Event38th International Cosmic Ray Conference, ICRC 2023 - Nagoya, Japan
Duration: Jul 26 2023Aug 3 2023

All Science Journal Classification (ASJC) codes

  • General

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