The Pierre Auger Cosmic Ray Observatory

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doi:10.1016/j.nima.2015.06.058

Cited by 615 publications

(416 citation statements)

References 119 publications

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“…The Pierre Auger Observatory [2] is a complex experiment located, in the Province of Mendoza, Argentina. It is a priority in the APPEC (Astroparticles Physics European Coordination) Roadmap and started operation in 2004 [2].…”

Section: The Description Of Experimentsmentioning

confidence: 99%

“…It is a priority in the APPEC (Astroparticles Physics European Coordination) Roadmap and started operation in 2004 [2]. The Observatory, (see Fig.…”

Section: The Description Of Experimentsmentioning

confidence: 99%

“…The Observatory, (see Fig. 1) [3] consists of several detection systems spread over an area of 3000 km 2 , that together make the largest hybrid cosmic-ray experiment in the world. The separate systems of the observatory are: the Surface Detectors (SD) with the INFILL extension, the Fluorescence Detectors (FD) with the HEAT extension, the AERA array, and the AMIGA detectors.…”

Section: The Description Of Experimentsmentioning

confidence: 99%

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IFIN - HH contribution at the Pierre Auger observatory

Brancus¹,

Sǎftoiu²

2017

AIP Conference Proceedings

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Abstract. Since 2000, in collaboration with KIT, Germany, the research of Astroparticle Physics has developed in IFIN-HH Bucharest. Romanian researchers participated in large international experiments, KASCADE Grande and LOPES, for investigating cosmic rays. New experimental devices have been built in IFIN-HH Bucharest for measuring the cosmic ray muons. Based on the experience and results gained over that time, Romanian researchers became part of the Pierre Auger Collaboration, the largest complex experiment for the investigation of Extensive Air Showers. The contribution of IFIN-HH is focused on the studies of cosmic rays using radio antennae and the measuring of cosmic muons using detectors based on new technology.

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Section: The Description Of Experimentsmentioning

confidence: 99%

“…It is a priority in the APPEC (Astroparticles Physics European Coordination) Roadmap and started operation in 2004 [2]. The Observatory, (see Fig.…”

Section: The Description Of Experimentsmentioning

confidence: 99%

Section: The Description Of Experimentsmentioning

confidence: 99%

See 1 more Smart Citation

IFIN - HH contribution at the Pierre Auger observatory

Brancus¹,

Sǎftoiu²

2017

AIP Conference Proceedings

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“…T HE Pierre Auger Observatory is the ground based detector of the ultrahigh-energy cosmic rays (UHECR) [1]. It contains from three types of detectors: fluorescence (FD), surface (SD) and radio (RD).…”

Section: Introductionmentioning

confidence: 99%

Laboratory tests of two-dimensional wavelet trigger in radio detection of cosmic rays

Szadkowski

Szadkowska

2017

Annals of Computer Science and Information Systems

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Abstract-The origin of ultrahigh-energy cosmic rays (UHECRs)(E ≥ 10 17 eV) is a fundamental question of astroparticle physics. The induced shower of secondary particles in the atmosphere of the Earth provides essential information on the cosmic ray itself: arrival direction, primary energy, and mass. In the air shower many electrons and positrons form a pancakeshaped particle front with a typical thickness less than 1 m close to the shower axis to more than 10 m far from the shower axis The geomagnetic field induces a drift velocity in these particles which is perpendicular to the direction of the initial cosmic ray. The generated current is a source of coherent emission of electromagnetic waves at wavelengths larger than the size of the dimension of the charge cloud i.e., for radio frequencies in the range of 30-300 MHz.The radio technique allows a detail study of the electromagnetic part of an air shower in the atmosphere and provide information complementary to that obtained by surface detectors water Cherenkov tanks, which are predominantly sensitive to the muonic content of an air shower at the ground. One of the promising attempts to observe UHECRs by the detection of their coherent radio emission is a wavelet trigger based on a FPGA.The paper presents first laboratory results from the twodimensional wavelet trigger, implemented into the prototype Front-End Board developed for the Auger surface detector based on the Cyclone R V FPGA 5CEFA9F31I7. The wavelet trigger investigates a distribution of partial power contributions for two Fourier indices, simultaneously in time and frequency domains. Preliminary results are very promising and show that the wavelet trigger could improve a radio detection system

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“…Considerable progress has been made towards understanding the nature of the highest energy cosmic rays with recent results from experiments like the Pierre Auger Observatory [1] and Telescope Array. Despite this fact, long-standing questions regarding their composition, origin and acceleration mechanisms remain unanswered.…”

Section: Introductionmentioning

confidence: 99%

Muon Array with RPCs for Tagging Air showers (MARTA)

Sarmento¹,

Abreu²,

Dias³

et al. 2016

Proceedings of the 34th International Cosmic Ray Conference — PoS(ICRC2015)

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We discuss the concept of an array with Resistive Plate Chambers (RPC) for muon detection in ultra-high energy cosmic ray (UHECR) experiments. RPC have been used in particle physics experiments due to their fast timing properties and spatial resolution. The operation of a ground array detector poses challenging demands, as the RPC must operate remotely under extreme environments, with limited power and minimal maintenance. In its baseline configuration, each MARTA unit includes one 1.5x1.2 m 2 RPC, with 64 pickup electrodes (pads). The DAQ system is based on an ASIC, allowing one to read out the high number of channels with low power consumption. Data are recorded using a dual technique: single particle counting with a simple threshold on the signal from each pad and charge integration for high occupancy. The RPC, DAQ, High Voltage and monitoring systems are enclosed in an aluminum-sealed case, providing a compact and robust unit suited for outdoor environments, which can be easily deployed and connected. The RPCs developed at LIP-Coimbra are able to operate using very low gas flux, which allows running them for few years with a small gas reservoir. Several full-scale units are already installed and taking data in several locations and with different configurations, proving the viability of the MARTA concept. By shielding the detector units with enough slant mass to absorb the electromagnetic component in the air showers, a clean measurement of the muon content is allowed, a concept to be implemented in a next generation of UHECR experiments. The specificities of a MARTA unit are presented, which include particle counting with high efficiency, time resolution and spatial segmentation. The potential of the MARTA concept for muon measurements in air showers is assessed, as well as tentative methods for calibration and cross-calibrations with existing detectors.

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The Pierre Auger Cosmic Ray Observatory

Cited by 615 publications

References 119 publications

IFIN - HH contribution at the Pierre Auger observatory

IFIN - HH contribution at the Pierre Auger observatory

Laboratory tests of two-dimensional wavelet trigger in radio detection of cosmic rays

Muon Array with RPCs for Tagging Air showers (MARTA)

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