Explanipedia

A compact triaxial active vibration isolator for cryogenic suspended interferometry Open

S. L. Kranzhoff, A. Bertolini, M J C Denissen, Holger Janßen, J. Lehmann , et al. · 2025

Suspended interferometry at cryogenic temperatures down to 10–20 K requires conductive cooling in addition to radiative cooling techniques, which is challenging due to vibrations emanating from the ground and direct force perturbations fro…

A likelihood framework for cryogenic scintillating calorimeters used in the CRESST dark matter search Open

G. Angloher, S. Banik, G. Benato, A. Bento, A. Bertolini , et al. · 2024

Cryogenic scintillating calorimeters are ultra- sensitive particle detectors for rare event searches, particularly for the search for dark matter and the measurement of neutrino properties. These detectors are made from scintillating targe…

Adaptive algorithms for low-latency cancellation of seismic Newtonian-noise at the Virgo gravitational-wave detector Open

S. Koley, J. Harms, A. Allocca, E. Calloni, R. De Rosa , et al. · 2024

A system was recently implemented in the Virgo detector to cancel noise in its data produced by seismic waves directly coupling with the suspended test masses through gravitational interaction. The data from seismometers are being filtered…

Optimal Operation of Cryogenic Calorimeters Through Deep Reinforcement Learning Open

G. Angloher, S. Banik, G. Benato, A. Bento, A. Bertolini , et al. · 2024

Thermal detuning of a bichromatic narrow linewidth optical cavity Open

L. D. Bonavena, Michel Lequime, M. Vardaro, Yang Zhao, M. Barsuglia , et al. · 2024

In the Advanced Virgo+ interferometric gravitational-wave detector, the length control of the Fabry-Pérot cavities in the arms and of the detuned filter cavity, used for generating frequency-dependent squeezing, uses an auxiliary green bea…

Force metrology with plane parallel plates: Final design review and outlook Open

Hamid Haghmoradi, Hauke Fischer, A. Bertolini, Ivica Galić, F. Intravaia , et al. · 2024

During the past few decades, abundant evidence for physics beyond the two standard models of particle physics and cosmology was found. Yet, we are tapping into the dark regarding our understanding of the dark sector. For more than a centur…

Design and implementation of a seismic Newtonian noise cancellation system for the Virgo gravitational-wave detector Open

S. Koley, J. Harms, A. Allocca, F. Badaracco, A. Bertolini , et al. · 2024

Terrestrial gravity perturbations caused by seismic fields produce the so-called Newtonian noise in gravitational-wave detectors, which is predicted to limit their sensitivity in the upcoming observing runs. In the past, this noise was see…

GWTC-2.1: Deep extended catalog of compact binary coalescences observed by LIGO and Virgo during the first half of the third observing run Open

R. Abbott, T. D. Abbott, F. Acernese, K. Ackley, C. Adams , et al. · 2024

The second Gravitational-Wave Transient Catalog, GWTC-2, reported on 39 compact binary coalescences observed by the Advanced LIGO and Advanced Virgo detectors between 1 April 2019 15∶00 UTC and 1 October 2019 15∶00 UTC. Here, we present GW…

Constraining the p-Mode-g-Mode Tidal Instability with GW170817 Open

B. P. Abbott, R. Abbott, T. D. Abbott, F. Acernese, K. Ackley , et al. · 2024

We analyze the impact of a proposed tidal instability coupling p modes and g modes within neutron stars on GW170817. This nonresonant instability transfers energy from the orbit of the binary to internal modes of the stars, accelerating th…

GW170104: Observation of a 50-Solar-Mass Binary Black Hole Coalescence at Redshift 0.2 Open

B. P. Abbott, R. Abbott, T. D. Abbott, F. Acernese, K. Ackley , et al. · 2024

We describe the observation of GW170104, a gravitational-wave signal produced by the coalescence of a pair of stellar-mass black holes. The signal was measured on January 4, 2017 at 10∶11:58.6 UTC by the twin advanced detectors of the Lase…

Full band all-sky search for periodic gravitational waves in the O1 LIGO data Open

B. P. Abbott, R. Abbott, T. D. Abbott, F. Acernese, K. Ackley , et al. · 2024

We report on a new all-sky search for periodic gravitational waves in the frequency band 475-2000 Hz and with a frequency time derivative in the range of [-1.0,+0.1]×10-8 Hz/s. Potential signals could be produced by a nearby spinning and s…

Design and implementation of a seismic Newtonian-noise cancellation system for the Virgo gravitational-wave detector Open

S. Koley, J. Harms, A. Allocca, F. Badaracco, A. Bertolini , et al. · 2023

Terrestrial gravity perturbations caused by seismic fields produce the so-called Newtonian noise in gravitational-wave detectors, which is predicted to limit their sensitivity in the upcoming observing runs. In the past, this noise was see…

Design and implementation of a seismic Newtonian-noise cancellation system for the Virgo gravitational-wave detector Open

S. Koley, J. Harms, A. Allocca, E. Calloni, R. De Rosa , et al. · 2023

Terrestrial gravity perturbations caused by seismic fields produce the so-called Newtonian noise in gravitational-wave detectors, which is predicted to limit their sensitivity in the upcoming observing runs. In the past, this noise was see…

Virgo detector characterization and data quality: tools Open

F Acernese, M. Agathos, A. Ain, S. Albanesi, A. Allocca , et al. · 2023

Detector characterization and data quality studies—collectively referred to as DetChar activities in this article—are paramount to the scientific exploitation of the joint dataset collected by the LIGO-Virgo-KAGRA global network of ground-…

Virgo detector characterization and data quality: results from the O3 run Open

F. Acernese, M. Agathos, A. Ain, S. Albanesi, A. Allocca , et al. · 2023

The Advanced Virgo detector has contributed with its data to the rapid growth of the number of detected GW signals in the past few years, alongside the two Advanced LIGO instruments. First during the last month of the Observation Run 2 (O2…

Frequency-Dependent Squeezed Vacuum Source for the Advanced Virgo Gravitational-Wave Detector Open

F. Acernese, M. Agathos, A. Ain, S. Albanesi, C Alléné , et al. · 2023

In this Letter, we present the design and performance of the frequency-dependent squeezed vacuum source that will be used for the broadband quantum noise reduction of the Advanced Virgo Plus gravitational-wave detector in the upcoming obse…

E-TEST: a compact low-frequency isolator for a large cryogenic mirror Open

A Sider, C. Di Fronzo, L. Amez-Droz, Anthony Amorosi, F. Badaracco , et al. · 2023

To achieve the expected level of sensitivity of third-generation gravitational-wave (GW) observatories, more accurate and sensitive instruments than those of the second generation must be used to reduce all sources of noises. Amongst them,…

Results on sub-GeV dark matter from a 10 eV threshold CRESST-III silicon detector Open

G. Angloher, S. Banik, G. Benato, A. Bento, A. Bertolini , et al. · 2023

We present limits on the spin-independent interaction cross section of dark matter particles with silicon nuclei, derived from data taken with a cryogenic calorimeter with 0.35 g target mass operated in the CRESST-III experiment. A baselin…

Author Index Open

Yahya Abbass, Aghassi-Hagmann Jasmin, Al Ali, Alvero -Gonzalez, Leidy Mabel , et al. · 2023

The ultimate performance of the Rasnik 3-point alignment system Open

Harry van der Graaf, A. Bertolini, J. V. van Heijningen, Bram Bouwens, Nelson de Gaay Fortman , et al. · 2023

The Advanced Virgo+ status Open

F. Acernese, M. Agathos, A. Ain, S. Albanesi, C Alléné , et al. · 2023

The gravitational wave detector Advanced Virgo+ is currently in the commissioning phase in view of the fourth Observing Run (O4). The major upgrades with respect to the Advanced Virgo configuration are the implementation of an additional r…

Towards an automated data cleaning with deep learning in CRESST Open

G. Angloher, S. Banik, Daniel Bartolot, G. Benato, A. Bento , et al. · 2023

Advanced Virgo Plus: Future Perspectives Open

F. Acernese, M. Agathos, A. Ain, S Albanesi, C Alléné , et al. · 2023

While completing the commissioning phase to prepare the Virgo interferometer for the next joint Observation Run (O4), the Virgo collaboration is also finalizing the design of the next upgrades to the detector to be employed in the followin…

The Virgo O3 run and the impact of the environment Open

F. Acernese, M. Agathos, A. Ain, S. Albanesi, A. Allocca , et al. · 2022

Sources of geophysical noise (such as wind, sea waves and earthquakes) or of anthropogenic noise impact ground-based gravitational-wave interferometric detectors, causing transient sensitivity worsening and gaps in data taking. During the …

Testing spin-dependent dark matter interactions with lithium aluminate targets in CRESST-III Open

G. Angloher, S. Banik, G. Benato, A. Bento, A. Bertolini , et al. · 2022

In the past decades, numerous experiments have emerged to unveil the nature of dark matter, one of the most discussed open questions in modern particle physics. Among them, the Cryogenic Rare Event Search with Superconducting Thermometers …

Report on 2207.09375v1 Open

G. Angloher, S. Banik, G. Benato, A. Bento, A. Bertolini , et al. · 2022

The CRESST experiment observes an unexplained excess of events at low energies.In the current CRESST-III data-taking campaign we are operating detector modules with different designs to narrow down the possible explanations.In this work, w…

A low-threshold diamond cryogenic detector for sub-GeV dark matter searches Open

A. H. Abdelhameed, G. Angloher, A. Bento, E. Bertoldo, A. Bertolini , et al. · 2022

In this work we report the realization of the first low-threshold cryogenic detector that uses diamond as absorber for astroparticle physics applications. We tested two 0.175 g CVD diamond samples, each instrumented with a W-TES. The senso…

ETpathfinder: a cryogenic testbed for interferometric gravitational-wave detectors Open

A. Utina, A. Amato, J. Arends, Chiara Arina, M. de Baar , et al. · 2022

The third-generation (3G) of gravitational wave observatories, such as the Einstein Telescope (ET) and Cosmic Explorer, aim for an improvement in sensitivity of at least a factor of ten over a wide frequency range compared to the current a…

Search for Subsolar-Mass Binaries in the First Half of Advanced LIGO’s and Advanced Virgo’s Third Observing Run Open

R. Abbott, T. D. Abbott, F. Acernese, K. Ackley, C. Adams , et al. · 2022

We report on a search for compact binary coalescences where at least one binary component has a mass between 0.2 M_{⊙} and 1.0 M_{⊙} in Advanced LIGO and Advanced Virgo data collected between 1 April 2019 1500 UTC and 1 October 2019 1500 U…

Author Index Open

Jens Anders, Raul Aparicio, Narendra Kumar Aridas, Atef Hassan, M. Baldo , et al. · 2022

A. Bertolini YOU? Author Swipe