activity
19982026
most citedObservation of a Large-scale Anisotropy in the Arrival Directions of Cosmic Rays above eV

409 citations · 4.7k across the 111 of their papers we have counts for

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6 papers · 1 filter

physics.ins-det2022★ 5 cited

Outdoor Systems Performace and Upgrade

L. Lopes, S. Andringa, P. Assis +17

Over the last two decades, the possibility of using RPCs in outdoors systems has increased considerably. Our group has participated in this effort having installed several systems…

physics.ins-det2022★ 16 cited

The Mercedes water Cherenkov detector

P. Assis, A. Bakalová, U. Barres de Almeida +13

The concept of a small, single-layer water Cherenkov detector, with three photomultiplier tubes (PMTs), placed at its bottom in a star configuration (\emph{Mercedes}…

physics.ins-det2021

Tackling the muon identification in water Cherenkov detectors problem for the future Southern Wide-field Gamma-ray Observatory by means of Machine Learning

B. S. González, R. Conceição, M. Pimenta +2

This paper presents several approaches to deal with the problem of identifying muons in a water Cherenkov detector with a reduced water volume and 4 PMTs. Different perspectives of…

physics.ins-det2021★ 22 cited

Muon identification in a compact single-layered water Cherenkov detector and gamma/hadron discrimination using Machine Learning techniques

R. Conceição, B. S. González, A. Guillén +2

The muon tagging is an essential tool to distinguish between gamma and hadron-induced showers in wide field-of-view gamma-ray observatories. In this work, it is shown that an effic…

physics.ins-det2017★ 13 cited

MARTA: A high-energy cosmic-ray detector concept with high-accuracy muon measurement

P. Abreu, S. Andringa, P. Assis +42

A new concept for the direct measurement of muons in air showers is presented. The concept is based on resistive plate chambers (RPCs), which can directly measure muons with very g…

physics.ins-det2016★ 10 cited

Outdoor Field Experience with Autonomous RPC Based Stations

L. Lopes, P. Assis, A. Blanco +12

In the last two decades Resistive Plate Chambers were employed in the Cosmic Ray Experiments COVER-PLASTEX and ARGO/YBJ. In both experiments the detectors were housed indoors, like…