Search Results - "Trinh, T. N. G"
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Radio Emission Reveals Inner Meter-Scale Structure of Negative Lightning Leader Steps
Published in Physical review letters (13-03-2020)“…We use the Low Frequency Array (LOFAR) to probe the dynamics of the stepping process of negatively charged plasma channels (negative leaders) in a lightning…”
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A distinct negative leader propagation mode
Published in Scientific reports (10-08-2021)“…The common phenomenon of lightning still harbors many secrets such as what are the conditions for lightning initiation and what is driving the discharge to…”
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The Relationship of Lightning Radio Pulse Amplitudes and Source Altitudes as Observed by LOFAR
Published in Earth and space science (Hoboken, N.J.) (01-04-2022)“…When a lightning flash is propagating in the atmosphere it is known that especially the negative leaders emit a large number of very high frequency (VHF) radio…”
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LOFAR Lightning Imaging: Mapping Lightning With Nanosecond Precision
Published in Journal of geophysical research. Atmospheres (16-03-2018)“…Lightning mapping technology has proven instrumental in understanding lightning. In this work we present a pipeline that can use lightning observed by the…”
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Determining Electric Fields in Thunderclouds With the Radiotelescope LOFAR
Published in Journal of geophysical research. Atmospheres (27-04-2020)“…An analysis is presented of electric fields in thunderclouds using a recently proposed method based on measuring radio emission from extensive air shower…”
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Reconstructing Air Shower Parameters with MGMR3D
Published 09-07-2023“…Measuring the radio emission from cosmic ray particle cascades has proven to be a very efficient method to determine their properties such as the mass…”
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Determining Atmospheric Electric Fields using MGMR3D
Published 07-03-2022“…Cosmic-ray particles impinging on the atmosphere induce high-energy particle cascades in air, an Extensive Air Shower (EAS), emitting coherent radio emission…”
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On the cosmic-ray energy scale of the LOFAR radio telescope
Published 29-09-2020“…Cosmic rays are routinely measured at LOFAR, both with a dense array of antennas and with the LOFAR Radboud air shower Array (LORA) which is an array of…”
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A large light-mass component of cosmic rays at 10(17)-10(17.5) electronvolts from radio observations
Published in Nature (London) (03-03-2016)“…Cosmic rays are the highest-energy particles found in nature. Measurements of the mass composition of cosmic rays with energies of 10(17)-10(18) electronvolts…”
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Reconstructing air shower parameters with LOFAR using event specific GDAS atmospheres
Published 02-06-2020“…The limited knowledge of atmospheric parameters like humidity, pressure, temperature, and the index of refraction has been one of the important systematic…”
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Needle-like structures discovered on positively charged lightning branches
Published in Nature (London) (01-04-2019)“…Lightning is a dangerous yet poorly understood natural phenomenon. Lightning forms a network of plasma channels propagating away from the initiation point with…”
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The initial stage of cloud lightning imaged in high-resolution
Published 08-07-2020“…With LOFAR we have been able to image the development of lightning flashes with meter-scale accuracy and unprecedented detail. We discuss the primary steps…”
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Radio emission from negative lightning leader steps reveals inner meter-scale structure
Published 07-07-2020“…Phys. Rev. Lett. 124, 105101 (2020) We use the Low Frequency ARray (LOFAR) to probe the dynamics of the stepping process of negatively-charged plasma channels…”
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Reconstructing air shower parameters with LOFAR using event specific GDAS atmosphere
Published in Astroparticle physics (01-12-2020)“…The limited knowledge of atmospheric parameters like humidity, pressure, temperature, and the index of refraction has been one of the important systematic…”
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Status of the Lunar Detection Mode for Cosmic Particles of LOFAR
Published 20-03-2019“…Cosmic particles hitting Earth's moon produce radio emission via the Askaryan effect. If the resulting radio ns-pulse can be detected by radio telescopes, this…”
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Calibration of the LOFAR low-band antennas using the Galaxy and a model of the signal chain
Published in Astroparticle physics (01-09-2019)“…The LOw-Frequency ARray (LOFAR) is used to make precise measurements of radio emission from extensive air showers, yielding information about the primary…”
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Distinguishing features of high altitude negative leaders as observed with LOFAR
Published in Atmospheric research (01-10-2021)“…We present high resolution observations of negative leaders at high altitude using the LOFAR radio telescope. We show that the structure of negative leaders at…”
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The shape of the radio wavefront of extensive air showers as measured with LOFAR
Published in Astroparticle physics (01-02-2015)“…Extensive air showers, induced by high energy cosmic rays impinging on the Earth’s atmosphere, produce radio emission that is measured with the LOFAR radio…”
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Thunderstorm electric fields probed by extensive air showers through their polarized radio emission
Published 20-03-2017“…We observe a large fraction of circular polarization in radio emission from extensive air showers recorded during thunderstorms, much higher than in the…”
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