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Measuring the stability of fundamental constants with a network of clocks
G. Barontini, L. Blackburn, V. Boyer +41
The detection of variations of fundamental constants of the Standard Model would provide us with compelling evidence of new physics, and could lift the veil on the nature of dark m…
Noise analysis in the European Pulsar Timing Array data release 2 and its implications on the gravitational-wave background search
A. Chalumeau, S. Babak, A. Petiteau +49
The European Pulsar Timing Array (EPTA) collaboration has recently released an extended data set for six pulsars (DR2) and reported evidence for a common red noise signal. Here we…
Common-red-signal analysis with 24-yr high-precision timing of the European Pulsar Timing Array: Inferences in the stochastic gravitational-wave background search
S. Chen, R. N. Caballero, Y. J. Guo +49
We present results from the search for a stochastic gravitational-wave background (GWB) as predicted by the theory of General Relativity using six radio millisecond pulsars from th…
QSNET, a network of clocks for measuring the stability of fundamental constants
G. Barontini, V. Boyer, X. Calmet +19
The QSNET consortium is building a UK network of next-generation atomic and molecular clocks that will achieve unprecedented sensitivity in testing variations of the fine structure…
Whistler waves observed by Solar Orbiter / RPW between 0.5 AU and 1 AU
M. Kretzschmar, T. Chust, V. Krasnoselskikh +29
The goal of our study is to detect and characterize the electromagnetic waves that can modify the electron distribution functions, with a special attention to whistler waves. We an…
Simulations of radio-wave anisotropic scattering to interpret type III radio bursts measurements by Solar Orbiter, Parker Solar Probe, STEREO and Wind
S. Musset, M. Maksimovic, E. Kontar +9
We use multi-spacecraft observations of invididual type III radio bursts in order to calculate the directivity of the radio emission, to be compared to the results of ray-tracing s…
Solar Orbiter/RPW antenna calibration in the radio domain and its application to type III burst observations
A. Vecchio, M. Maksimovic, V. Krupar +18
In order to allow for a comparison with the measurements from other antenna systems, the voltage power spectral density measured by the Radio and Plasma waves receiver (RPW) on boa…
Constraints on compact binary merger evolution from spin-orbit misalignment in gravitational-wave observations
B. P. Gompertz, M. Nicholl, P. Schmidt +2
The identification of the first confirmed neutron star - black hole (NS-BH) binary mergers by the LIGO, Virgo and KAGRA collaboration provides the opportunity to investigate the pr…
Bayesian parameter estimation of stellar-mass black-hole binaries with LISA
Riccardo Buscicchio, Antoine Klein, Elinore Roebber +4
We present a Bayesian parameter-estimation pipeline to measure the properties of inspiralling stellar-mass black hole binaries with LISA. Our strategy (i) is based on the coherent…
Statistical study of electron density turbulence and ion-cyclotron waves in the inner heliosphere: Solar Orbiter observations
F. Carbone, L. Sorriso-Valvo, Yu. V. Khotyaintsev +27
The recently released spacecraft potential measured by the RPW instrument on-board Solar Orbiter has been used to estimate the solar wind electron density in the inner heliosphere.…
Kinetic Electrostatic Waves and their Association with Current Structures in the Solar Wind
D. B. Graham, Yu. V. Khotyaintsev, A. Vaivads +21
A variety of kinetic waves develop in the solar wind. The relationship between these waves and larger-scale structures, such as current sheets and ongoing turbulence remain a topic…
Ultra-low frequency gravitational waves from cosmological and astrophysical processes
Christopher J. Moore, Alberto Vecchio
Gravitational waves (GWs) at ultra-low frequencies () are key to understanding the assembly and evolution of astrophysical black hole (BH) binaries wi…
High mass but low spin: an exclusion region to rule out hierarchical black-hole mergers as a mechanism to populate the pair-instability mass gap
Davide Gerosa, Nicola Giacobbo, Alberto Vecchio
The occurrence of pair-instability supernovae is predicted to prevent the formation of black holes with masses . Recent gravitational-wave detections in this ma…
Density Fluctuations Associated with Turbulence and Waves: First Observations by Solar Orbiter
Yu. V. Khotyaintsev, D. B. Graham, A. Vaivads +21
We use the plasma density based on measurements of the probe-to-spacecraft potential in combination with magnetic field measurements by MAG to study fields and density fluctuations…