English

Air shower reconstruction using HAWC and the Outrigger array

Instrumentation and Methods for Astrophysics 2019-08-20 v1 High Energy Astrophysical Phenomena

Abstract

The High Altitude Water Cherenkov (HAWC) gamma-ray observatory detects cosmic- and gamma-ray initiated air showers in the TeV energy range using 300 water Cherenkov detectors (WCDs). To improve its sensitivity at the highest energies, HAWC has been upgraded with a sparse array of 345 small WCDs (outrigger array) around the HAWC main array. The outrigger array increases the instrumented area of HAWC by a factor of 4 and has started taking data since August 2018. A new gamma-ray reconstruction method has been developed to improve the reconstruction of the air showers which combines the data of mixed type particle detector arrays. In this contribution, we will show the first results of the combined air shower reconstruction of HAWC and its outrigger array using Monte Carlo simulations and the first combined experimental data set.

Keywords

Cite

@article{arxiv.1908.06650,
  title  = {Air shower reconstruction using HAWC and the Outrigger array},
  author = {Vikas Joshi and Harm Schoorlemmer},
  journal= {arXiv preprint arXiv:1908.06650},
  year   = {2019}
}

Comments

Presented at the 36th International Cosmic Ray Conference (ICRC 2019)

R2 v1 2026-06-23T10:50:38.154Z