Articles tagged with Dark Matter
Physicists at Mainz University have developed a new method to detect dark matter using cesium atom vapor and atomic spectroscopy. By searching in a previously inaccessible frequency range, they were able to formulate new restrictions on the nature of dark matter.
Researchers simulated galaxy formation in a 'fuzzy' universe, where dark matter is ultralight and quantum-waves-like. The simulation suggests galaxies would form in extended filaments with striated patterns, potentially illuminating the type of dark matter present today.
Researchers used machine learning algorithms to analyze dark matter maps, achieving 30% more accurate results than traditional methods. The AI was trained on simulated data and applied to actual KiDS-450 dataset, showing promising potential for future cosmological applications.
A team of researchers, led by Hagit Shatkay, is developing computational methods to accelerate discovery in astroparticle physics, a crucial step towards understanding dark matter. By analyzing noisy sensor data from an underground experiment, the team aims to detect and identify dark-matter particles.
Rice astroparticle physicist Christopher Tunnell leads a $1 million NSF-funded project to enhance data science techniques in physical sciences, aiming to push discovery past the tipping point. The study focuses on dark matter searches and employs probabilistic graphical models to improve measurements of particle interactions.
Scientists have made progress in understanding dark matter by studying the interactions between light and gas in intergalactic space. Researchers used simulations and observations of distant quasars to analyze the properties of primordial black holes, which could provide evidence for their role in explaining dark matter.
Researchers propose using gravitational-wave observatories to detect axions, which could be a type of dark matter. Axions are predicted to modulate light polarization and can be detected with existing laser-based experiments, offering a cost-effective solution to the hunt for dark matter.
A University of Arizona-led team used supercomputer simulations to generate millions of virtual universes, challenging fundamental ideas about galaxy formation and the role of dark matter. The findings suggest galaxies formed stars more efficiently in the early universe than previously thought.
A new Johns Hopkins University study proposes that dark matter may have originated before the Big Bang, citing a connection between particle physics and astronomy. The research suggests that dark matter's existence could be revealed through its gravitational effects on galaxy distributions.
A tabletop sensor will detect cosmic events producing waves above 10 kHz, possibly related to dark matter. The Levitated Sensor Detector complements LIGO and Virgo observatories, observing smaller cosmic events that produce gravitational waves at higher frequencies.
Researchers at Mainz University have developed a new method to detect axions, a type of dark matter, using the Cosmic Axion Spin Precession Experiment (CASPEr) program. By exploiting nuclear magnetic resonance and sophisticated shielding, the team aims to identify spin changes caused by dark matter, which can be distinguished from thos...
A study by RIT scientist Sukanya Chakrabarti found that the Antlia 2 dwarf galaxy's collision with the Milky Way produced the characteristic ripples in its outer disc. The discovery could help develop methods to hunt for dark galaxies and solve the long-standing puzzle of dark matter.
Researchers at UC Davis have found a new candidate for dark matter, a magnetic monopole particle that could interact with 'dark photons'. This new theory offers a potential way to detect dark matter particles streaming through the universe. However, the predicted phase shift is extremely small, making detection challenging.
A team of researchers from Instituto de Astrofísica de Canarias solved the mystery of a galaxy without dark matter by reevaluating its distance. The galaxy was previously estimated to be 64 million light years away, but new measurements reveal it's actually around 42 million light years from Earth.
A team of researchers developed CosmoGAN, a deep learning network that generates high-fidelity convergence maps for weak gravitational lensing. The model achieves high statistical agreement with fully simulated maps, paving the way for building emulators out of deep neural networks.
Researchers have developed a new filter to better map the dark universe, cutting through galaxies' messy emissions to provide clearer windows into dark matter and dark energy. The new method uses shearing effects to reduce errors and provides more accurate measurements.
Scientists at Rensselaer Polytechnic Institute observe the longest, slowest process directly: radioactive decay of xenon-124. The XENON Collaboration's detector picked up signals from ultra-rare double-electron capture events, marking a significant advancement in knowledge about matter's fundamental characteristics.
A team of researchers has discovered a new property of supercooled water that can be triggered by subatomic particles like dark matter. They created a detector, called the "snowball chamber", which uses supercooled water to detect fundamental particles and potentially identify dark matter.
An international team of researchers used the Subaru telescope to detect primordial black holes using gravitational lensing effects. The study found that these black holes can contribute no more than 0.1% to all dark matter mass, ruling out their theory as a primary composition.
Researchers have constrained a theoretical model of dark matter particles using data from Earth-based radio telescopes. The study found that ultralight particles interact weakly with photons, making them hard to study, but also revealed a constraint on the available models describing dark matter composition.
Astronomers combined data from Hubble and Gaia to estimate Milky Way's mass, reducing uncertainty from decades of research. The galaxy is found to weigh approximately 1.5 trillion solar masses within a radius of 129,000 light-years.
A research team from the University of Kansas has earned a $900,000 grant to investigate dark matter and dark energy. The team plans to use supercolliders, neutrino detectors, and computer simulations to search for indications of these mysterious entities.
Researchers investigate how photon mass could influence galaxy rotation curves, potentially explaining the enigmatic 'dark matter'. The study's findings suggest a possible solution to the long-standing rotation-curve problem.
Researchers propose dark matter scatters with each other like billiard balls to spread out evenly in small galaxies. This idea could solve the puzzle of why dark matter doesn't clump together as expected in bigger systems.
Researchers suggest that dark matter consists of axions, pseudo-Goldstone bosons capable of interacting with photons. The discovery could help identify the particles comprising dark matter and shed light on the nature of this mysterious component.
Physicists have made a slight improvement to the ATLAS experiment's measurement, but results are nearly consistent with the standard model. Despite this, researchers remain hopeful that future data may reveal new physics or dark matter particles.
Researchers at COSINE-100 failed to confirm the existence of dark matter using sodium iodide crystals, unlike previous DAMA/LIBRA experiment. The detection is considered crucial due to the similarity in experimental setup and material used.
Researchers detected just two galaxies near M94, with few stars each, contradicting predictions of galaxy formation models. The study suggests that Milky Way-like galaxies host a wider diversity of satellite populations than previously thought.
Scientists have discovered that dark matter can be heated up and pushed outwards due to star formation in galaxies. This phenomenon, known as 'dark matter heating', has been observed in 16 dwarf galaxies with varying star formation histories.
Astronomers have found a way to illuminate the elusive nature of dark matter by analyzing intracluster light from six massive galaxy clusters in the Frontier Fields program. The faint glow between galaxies in a cluster traces the path of dark matter, providing a more accurate understanding of its distribution.
Astronomers have developed a revolutionary method to detect dark matter using faint starlight in Hubble images. The technique accurately studies the distribution of dark matter and has been confirmed in galaxy clusters. Future studies will survey more clusters and analyze additional data with the James Webb Space Telescope.
The COSINE-100 experiment has reported no excess of signal in its data, putting DAMA's annual modulation signal at odds with other experiments. The researchers will need several years of data to fully confirm or refute the claim.
The COSINE-100 experiment has released its first results, confirming the absence of a dark matter signal in the data. The study challenges the DAMA claim as a WIMP signal, significantly challenging the traditional Standard Halo Model for dark matter.
Researchers from Lund University have developed a more effective technique to search for dark matter in the universe. By analyzing larger amounts of data generated at CERN, they hope to find signs of new particles that could connect visible and dark matter.
Researchers developed a mathematical model describing motion of dark matter particles inside the smallest galaxy halos. They observed that over time, dark matter may form spherical droplets of quantum condensate. The study found that Bose-Einstein condensate can form in the centres of small halos, and it may produce Fast Radio Bursts.
The Laser Interferometer Space Antenna (LISA) will enable astrophysicists to study gravitational waves emitted by black holes, which could unveil secrets about dark matter. Simulations suggest a connection between black hole merger rates and dark matter properties.
Researchers from UC Berkeley used statistical analysis of 740 supernovas to conclude that primordial black holes can make up no more than 40% of the universe's dark matter. This finding suggests that heavy black holes or MACHOs do not exist as a type of dark matter.
The study uses tiny gravitational distortions to measure the lumpiness of dark matter in the universe. The researchers find that the new observations are consistent with the simplest model for dark energy, but more data are needed to confirm the results.
A recent study found that there is a correlation between invisible dark matter particles and melanoma, with 1-10% of diagnoses showing a short periodicity coinciding with the orbital period of Mercury. The research proposes that streaming invisible dark matter may be interacting with the human body.
Scientists are using large-scale computer simulations and statistical methods to better understand dark matter and dark energy. These mysterious components make up approximately 96% of the universe, influencing its expansion and structure. The research aims to provide insights into over 14 billion years of cosmic history.
The Planck mission's final data supports the standard cosmological model with exceptional accuracy, providing a wealth of information about the Universe's content and rate of expansion. However, some limitations and anomalies remain, particularly regarding the Universe's expansion rate.
A team of scientists, including a UC Riverside physicist, has imposed conditions on how dark matter interacts with ordinary matter. The study sets constraints that can aid in detecting the elusive dark matter particle and better understand its fundamental properties.
Researchers use computer simulations to test dark matter's presence in satellite galaxies, finding a relationship that could clarify its existence. The study uses radial acceleration relation data from the Gaia spacecraft to make predictions about the behavior of dwarf galaxies.
The Hubble Space Telescope has discovered the most distant star ever observed, Icarus, located 9 billion lightyears away. The star's brightness was amplified by gravitational lensing, allowing its detection.
A new model proposes that dark inflation drove the early universe's expansion and predicts the detectability of primordial gravitational waves. The model provides a precise chronology of events during the first moments after the Big Bang.
Astronomers have observed a gargantuan cosmic collision of 14 young galaxies, poised to merge and form a colossal galaxy cluster. This protocluster is located 12.4 billion light-years away, offering an unprecedented opportunity to study the early stages of cluster formation.
Scientists warn that human brains may be overlooking signs of extraterrestrial life due to cognitive biases. Researchers conducted an experiment where participants failed to detect artificial structures in images, mirroring the famous gorilla suit test.
Scientists decoded faint distortions in the universe's earliest light to reveal huge tubelike structures known as filaments, serving as superhighways for delivering matter to dense hubs. The study provides new insights into the formation and evolution of the cosmic web, including dark matter.
Researchers from the University of Surrey have developed a new method to measure dark matter at the centre of tiny galaxies. The study used dense star clusters orbiting close to the centre of dwarf galaxies to calculate the inner dark matter density, finding less dark matter in some cases than predicted by models.
New observations suggest dark matter may only interact through gravity, contradicting previous findings. Researchers used the Atacama Large Millimetre Array to study a galaxy cluster and found no separation between dark matter and its surrounding galaxy.
Astronomers using the Hubble Space Telescope have discovered a blue supergiant star called Icarus, which is the farthest individual star observed. The team used gravitational lensing to magnify the star's light, revealing its true nature and providing insights into dark matter theory.
Researchers have discovered the farthest individual star ever seen, Icarus, 9 billion light years away, by magnifying its brightness with the gravity of a larger object. This breakthrough study uses gravitational lensing to exclude the possibility that dark matter is made up mostly of large black holes.
Researchers discovered a unique galaxy, NGC 1052-DF2, lacking most of its dark matter. The galaxy is as large as the Milky Way but contains only 1/200th the number of stars, leading to its classification as an ultra-diffuse galaxy.
Researchers found a galaxy with almost no dark matter, challenging the long-held idea that galaxies start with dark matter halos. The team discovered 10 globular clusters in NGC1052-DF2, which could account for all the mass in the galaxy.
Researchers using Hubble Space Telescope have discovered a galaxy with minimal to no dark matter, contradicting long-held assumptions about its presence in galaxies. The ultra-diffuse galaxy NGC 1052-DF2 contains at least 400 times less dark matter than predicted for a galaxy of its mass.
Researchers have discovered a galaxy that is almost completely devoid of dark matter, forcing them to rethink the formation of galaxies. The team found that the stars in NGC1052-DF2 can account for all its mass, leaving little room for dark matter.
Scientists have found a unique galaxy that contains almost no dark matter, a finding that challenges the standard ideas of how galaxies work. The galaxy, called NGC1052-DF2, has a mass similar to that of the Milky Way but only a fraction of the expected dark matter.
Astronomers have discovered a new material that could directly detect dark matter particles, expanding the search scope to unexplored mass ranges. The material detects electrons recoiling from collisions with dark matter particles and operates near absolute zero.
Researchers propose a new particle detector design using doped gallium arsenide crystals that can scan for dark matter signals at lower energies. The technology has the potential to detect particles in the mass range measured in millions of electron volts, expanding the search for dark matter.
Researchers at University of Houston are working with DarkSide program to detect dark matter using weakly interacting massive particles (WIMPs) and liquid argon technology. The team has improved the sensitivity of their detector, DarkSide-50, by switching to low-radioactivity liquid argon.