A5061968355- Pulsars and Gravitational Waves Research
- Gamma-ray bursts and supernovae
- Astrophysical Phenomena and Observations
- Geophysics and Gravity Measurements
- Radio Astronomy Observations and Technology
- High-pressure geophysics and materials
- Astronomy and Astrophysical Research
- Cosmology and Gravitation Theories
- Planetary Science and Exploration
- Astronomical Observations and Instrumentation
- Dark Matter and Cosmic Phenomena
- Adaptive optics and wavefront sensing
- Astrophysics and Cosmic Phenomena
- Statistical Mechanics and Entropy
- Geophysics and Sensor Technology
- Meteorological Phenomena and Simulations
- Inertial Sensor and Navigation
- Model Reduction and Neural Networks
- Gaussian Processes and Bayesian Inference
- Relativity and Gravitational Theory
- Advanced Thermodynamics and Statistical Mechanics
- earthquake and tectonic studies
- Atomic and Subatomic Physics Research
Gran Sasso Science Institute
2022-2025
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran Sasso
2022-2025
Abstract The Lunar Gravitational-wave Antenna (LGWA) is a proposed array of next-generation inertial sensors to monitor the response Moon gravitational waves (GWs). Given size and expected noise produced by lunar seismic background, LGWA would be able observe GWs from about 1 mHz Hz. This make missing link between space-borne detectors like LISA with peak sensitivities around few millihertz future terrestrial Einstein Telescope or Cosmic Explorer. In this article, we provide first...
We present mlgw_bns, a gravitational waveform surrogate that allows for significant improvement in the generation speed of frequency-domain waveforms binary neutron star mergers, at negligible cost accuracy. This is achieved by training machine-learning model on dataset generated with an accurate but comparatively costlier approximant: state-of-the-art effective-one-body TEOBResumSPA. When coupled to reduced-order scheme, mlgw_bns can accelerate up factor $\ensuremath{\sim}35$, outperforming...
A new era of lunar exploration has begun with participation all major space agencies. This activity brings opportunities for revolutionary science experiments and observatories on the Moon. The idea a gravitational-wave detector was already proposed during Apollo programme. key characteristic Moon is that it seismically extremely quiet. It also pointed out permanently shadowed regions at poles provide ideal conditions detection. In recent years, three different concepts were varying levels...
Abstract A new era of lunar exploration has begun bringing immense opportunities for science as well. It been proposed to deploy a generation observatories on the surface deep studies our Universe. This includes radio antennas, which would be protected far side Moon from terrestrial interference, and gravitational-wave (GW) detectors, profit extremely low level seismic disturbances Moon. In recent years, novel concepts have GW detectors based long-baseline laser interferometry or compact...
The Lunar Gravitational-wave Antenna (LGWA) is a proposed array of next-generation inertial sensors to monitor the response Moon gravitational waves (GWs). Given size and expected noise produced by lunar seismic background, LGWA would be able observe GWs from about 1 mHz Hz. This make missing link between space-borne detectors like LISA with peak sensitivities around few millihertz future terrestrial Einstein Telescope or Cosmic Explorer. In this article, we provide first comprehensive...
Next-generation gravitational-wave detectors, such as the Einstein Telescope (ET), are expected to observe a few 100,000 signals each year. This will require efficient analysis tools and computational resources well beyond needs of current detectors. Such not presently available science community. Therefore, investigate ET observational capabilities cases, Fisher-matrix methods used predict how precisely parameters like mass, spin, source distance or sky location can be estimated from data....
Third-generation (3G) gravitational-wave detectors such as the Einstein Telescope (ET) will observe binary black hole (BBH) mergers at redshifts up to $z 100$. However, an unequivocal determination of origin high-redshift sources remain uncertain because low signal-to-noise ratio (S/N) and poor estimate their luminosity distance. This study proposes a machine-learning approach infer origins BBHs. We specifically differentiate those arising from Population III (Pop. III) stars, which probably...
Third-generation (3G) gravitational-wave (GW) detectors like the Einstein Telescope (ET) will observe binary black hole (BBH) mergers at redshifts up to $z\sim 100$. However, unequivocal determination of origin high-redshift sources remain uncertain, due low signal-to-noise ratio (SNR) and poor estimate their luminosity distance. This study proposes a machine learning approach infer origins BBHs, specifically differentiating those arising from Population III (Pop. III) stars - likely first...
Observing and understanding the origin of very-high-energy (VHE) spectral component in gamma-ray bursts (GRBs) has been challenging because lack sensitivity MeV-GeV observations, so far. The majestic GRB 221009A, known as brightest all times (BOAT), offers a unique opportunity to identify components during prompt early afterglow phases probe their origin. Analyzing simultaneous observations spanning from keV TeV energies, we identified two distinct initial 20 minutes burst. second peaks...
The LIGO-Virgo-KAGRA (LVK) collaboration has recently made it possible for early warning alerts to be sent out, potentially before the end of gravitational wave (GW) emission from a neutron star binary. If we get such in this (the fourth) or next observing run they may arrive up tens seconds merger, which is comparable slewing times Large Size Telescopes (designed observe very high energy gamma rays): would therefore point source right starts emitting an electromagnetic signal. This new mode...
<title>Abstract</title> Observing and understanding the origin of very-high-energy (VHE) spectral component in gamma-ray bursts (GRBs) has been challenging because lack sensitivity MeV-GeV observations, so far. The majestic GRB 221009A, known as brightest all times (BOAT), offers a unique opportunity to identify components during prompt early afterglow phases probe their origin. Analyzing simultaneous observations spanning from keV TeV energies, we identified two distinct initial 20 minutes...
An important step in the planning of future gravitational-wave (GW) detectors and networks they will form is estimation their detection parameter-estimation capabilities, which basis science-case studies. Several GW have been proposed or are under development, might also operate observe parallel. These include terrestrial, lunar, space-borne detectors. In this paper, we present GWFish, a new software to simulate detector calculate measurement uncertainties based on Fisher-matrix...
A new era of lunar exploration has begun with participation all major space agencies. This activity brings opportunities for revolutionary science experiments and observatories on the Moon. The idea a gravitational-wave detector was already proposed during Apollo program. key characteristic Moon is that it seismically extremely quiet. It also pointed out permanently shadowed regions at poles provide ideal conditions detection. In recent years, three different concepts were varying levels...
We present mlgw-bns, a gravitational waveform surrogate that allows for significant improvement in the generation speed of frequency-domain waveforms binary neutron star mergers, at negligible cost accuracy. This is achieved by training machine-learning model on dataset generated with an accurate but comparatively costlier approximant: state-of-the-art effective-one-body TEOBResumSPA. When coupled to reduced-order scheme, mlgw-bns can accelerate up factor ~35, outperforming all other...