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Can Dark Matter Interact with Photons? Optical Atomic Clocks Provide Clues

Scientists at the Physikalisch-Technische Bundesanstalt (PTB) have conducted a groundbreaking study to explore the potential interaction between dark matter and photons. Within the Collaborative Research Center DQ-mat and the Cluster of Excellence Quantum Frontiers, researchers compared two types of optical atomic clocks, providing the most...

What is Dark Matter in the Universe?

Dark matter has long fascinated scientists and astronomers as one of the greatest mysteries of the universe. It is an enigmatic substance that cannot be directly observed or interacted with through electromagnetic radiation. Yet, its existence is inferred from its gravitational effects on visible...

First results from LHAASO place tighter constraints on dark matter’s lifetime

The Large High Altitude Air Shower Observatory (LHAASO) scientists have presented 1.5 years of observational data. They have calculated new limits on the lifetime of heavy dark matter particles with masses ranging from 105 to 109 giga-electron volts. The paper is titled as "Constraints on...

The voids closest to us may not be entirely empty

The vast empty regions known as cosmic voids dominate the universe's large-scale structure. In the distribution of galaxies, these voids appear as holes hundreds of millions of light years across. New research indicates that many of them may still be filled with dark matter. At...

Searching for dark matter with a haloscope

Scientists introduced a novel method of searching for a type of dark matter known as axions. It is a modified version of this technique may have useful "real life" applications. Most of the universe is now thought to consist of dark matter. It is a mysterious...

ATLAS and CMS collaborations chase the invisible with the Higgs boson

The Higgs boson lives for an extremely short time before it transforms into other particles. It is through the detection of some of these decay products which are the unique particle has first been spotted in particle collisions at the Large Hadron Collider. But what...