Antimatter News - SciTechDaily

Landmark CERN Experiment Reveals: If You Dropped Antimatter, Would It Fall Down or Up?

National Science Foundation — Sat, 30 Sep 2023 22:39:18 +0000

Landmark CERN experiment may help explain why antimatter seemingly lost out in the early universe. If you dropped antimatter, would it fall down or up?...

Antimatter Levitation Debunked: Groundbreaking CERN Experiment Reveals Gravity’s Pull on Antihydrogen

University of California - Berkeley — Thu, 28 Sep 2023 08:30:52 +0000

Experiment at CERN eliminates the possibility that antimatter is repulsed by gravity. CERN’s ALPHA collaboration has experimentally confirmed that antihydrogen is pulled down by gravity,...

Cracking One of the Universe’s Biggest Mysteries: “The Most Precise Measurement Yet” of Electron’s Permanent Electric Dipole Moment

American Association for the Advancement of Science — Sun, 10 Sep 2023 03:18:55 +0000

A recent study, which holds significant implications for addressing one of the most important unresolved questions in physics—the disparity between matter and antimatter in the...

Electron Asymmetry and the Mystery of Matter’s Existence: A Record-Breaking Study

National Institute of Standards and Technology — Fri, 07 Jul 2023 08:17:30 +0000

JILA physicists make record-breaking measurement of a key electron property. In the first moments of our universe, countless numbers of protons, neutrons, and electrons formed...

Scientists Discover First Evidence of Symmetry Violation – And It Could Explain Why You Exist

University of Florida — Tue, 27 Jun 2023 01:22:15 +0000

Parity symmetry violation detected in the orientation of galactic formations could explain the abundance of matter. For generations, physicists were confident that the laws of...

Unraveling a Cosmic Antimatter Mystery

University of California - Riverside — Fri, 14 Oct 2022 19:33:37 +0000

Physicists invoke the cosmological collider to demonstrate why matter, not antimatter, dominates the universe. The universe was filled with equal numbers of matter and “antimatter” –...

Are There Anti-Stars (Made of Antimatter) Around Us?

IRAP — Sun, 10 Jul 2022 08:37:35 +0000

Are there anti-stars around us? Answer from the Fermi Gamma-ray Space Telescope. What if some of the antimatter that was thought to have disappeared was...

Antiprotons in Superfluid: Hybrid Antimatter-Matter Atom Behaves in Unexpected Way

Max Planck Institute of Quantum Optics — Sat, 21 May 2022 17:35:33 +0000

A team of scientists at CERN led by MPQ physicist Masaki Hori discovered that a hybrid antimatter-matter atom behaves in an unexpected way when immersed...

41-Million-Pixel Vertex Locator May Unlock Some of the Most Enduring Mysteries of the Universe

UK Research and Innovation (UKRI) — Mon, 16 May 2022 10:33:35 +0000

The device hopes to answer the ultimate existential questions. The final piece of an all-new detector has completed the first leg of its journey toward...

Large Hadron Collider Reveals Secret of Antimatter Creation in Cosmic Collisions

CERN — Fri, 22 Apr 2022 17:31:13 +0000

Recently at the Quark Matter conference and before that at the Rencontres de Moriond conference, the Large Hadron Collider beauty (LHCb) collaboration presented an analysis of...

Tiny Star Unleashes Monstrous Beam of Matter and Anti-Matter

Chandra X-ray Observatory — Sun, 27 Mar 2022 04:52:58 +0000

A city-sized collapsed star has generated a beam of matter and antimatter that stretches for trillions of miles. Data from NASA’s Chandra X-ray Observatory revealed...

Unexpected Behavior of Hybrid Matter–Antimatter Atoms in Superfluid Helium Surprises Physicists at CERN

CERN — Sun, 27 Mar 2022 02:56:27 +0000

The result may open doors to several lines of research in particle physics and beyond. A hybrid matter–antimatter helium atom containing an antiproton, the proton’s...

Largest Matter-Antimatter Asymmetry Observed at Large Hadron Collider

Piotr Traczyk, CERN — Thu, 24 Mar 2022 11:48:29 +0000

New results from the LHCb experiment on CP asymmetry in charmless three-body charged B meson decays include the largest CP asymmetry ever observed. CP asymmetry...

Tiny Star Unleashes Gargantuan Beam of Matter and Anti-Matter That Stretches for 40 Trillion Miles

Chandra X-ray Center — Sat, 19 Mar 2022 09:40:06 +0000

Astronomers have imaged a beam of matter and antimatter that is 40 trillion miles long with NASA’s Chandra X-ray Observatory. The record-breaking beam is powered...

Cosmic Physics Breakthrough: Scientists Produce Particle-Antiparticle Pairs From a Vacuum

University of Manchester — Thu, 27 Jan 2022 19:00:17 +0000

Cosmic physics mimicked on table-top as graphene enables Schwinger effect. Researchers at The University of Manchester have succeeded in observing the so-called Schwinger effect, an...

Unexpected Substructures in the Fundamental Components of All Matter

American Physical Society — Wed, 13 Oct 2021 19:00:14 +0000

Quarks and Antiquarks at High Momentum Shake the Foundations of Visible Matter Jefferson Lab and Fermilab experiments present new results on nucleon structure. Two independent...

Scientists Generate Matter Directly From Light – Physics Phenomena Predicted More Than 80 Years Ago

Brookhaven National Laboratory — Fri, 30 Jul 2021 18:32:23 +0000

Collisions of Light Produce Matter and Antimatter From Pure Energy Study demonstrates a long-predicted process for generating matter directly from light — plus evidence that...

MIT Physicists Find New Clues to Why There’s So Little Antimatter in the Universe

Jennifer Chu, Massachusetts Institute of Technology — Wed, 07 Jul 2021 09:16:36 +0000

Radioactive molecules are sensitive to subtle nuclear phenomena and might help physicists probe the violation of the most fundamental symmetries of nature. Imagine a dust...

Subatomic Particle Seen Changing to Antiparticle and Back for the First Time in Extraordinary Experiment

University of Warwick — Mon, 14 Jun 2021 00:22:06 +0000

A team of physicists, including the University of Warwick, have proved that a subatomic particle can switch into its antiparticle alter-ego and back again, in...

Antimatter: Scientists Trap Elusive Material by Blasting It With Lasers

Niels Madsen, Swansea University — Sun, 06 Jun 2021 17:13:26 +0000

Antimatter is believed to play a huge part in the story of our universe. It’s the counterpart to matter: identical in every way – with...

CERN Scientists Successfully Laser-Cool Antimatter for the First Time

Swansea University — Sat, 03 Apr 2021 11:48:45 +0000

The result opens the door to considerably more precise studies of the response of antimatter to light and how it behaves under the influence of...

World’s First Laser-Based Manipulation of Antimatter (The Otherworldly Counterpart to Matter)

TRIUMF — Wed, 31 Mar 2021 15:00:26 +0000

Researchers with the CERN-based ALPHA collaboration have announced the world’s first laser-based manipulation of antimatter, leveraging a made-in-Canada laser system to cool a sample of...

Radioactive Molecules May Help Solve Cosmic Mystery of Missing Antimatter

California Institute of Technology — Sun, 28 Mar 2021 22:25:57 +0000

Stars, galaxies, and everything in the universe, including our own bodies, are comprised of so-called regular matter. Regular matter includes atoms and molecules, which are...

How the Tiniest Particles in Our Universe Saved Us From Complete Annihilation

Kavli IPMU — Sun, 14 Mar 2021 13:12:00 +0000

Recently discovered ripples of spacetime called gravitational waves could contain evidence to prove the theory that life survived the Big Bang because of a phase...