Physics News | Sci.News

IceCube Detects High-Energy Neutrinos from Outside Solar System

Nov 22, 2013 by Enrico de Lazaro

Physicists using the IceCube Neutrino Observatory at the South Pole have detected for the first time mysterious, high-energy neutrinos that originate outside...

Toronto University scientists have successfully demonstrated a thin, active cloak at microwave frequencies. Image credit: Michael Selvanayagam / George V. Eleftheriades.

Scientists Demonstrate Electromagnetic Invisibility Cloak

Nov 13, 2013 by News Staff

Two researchers at the University of Toronto have created and tested a new type of active invisibility cloak that can hide objects over a wide range of...

This image shows the four-quark structure of Zc (3900). Image credit: APS / Alan Stonebraker.

New Particle Points to Elusive Four-Quark Matter

Nov 12, 2013 by News Staff

According to physicists of the Beijing-based BESIII experiment, their discovery of a new subatomic particle named Zc (4020) hints at a novel class of four-quark...

Proton is a subatomic particle found in the nucleus of every atom. This artist's impression shows a proton and a neutron. Image credit: Joanna Griffin / Jefferson Lab / Penn State.

Physicists Determine Weak Charge of Proton for the First Time

Sep 19, 2013 by News Staff

An international collaboration of physicists conducting experiments at the Thomas Jefferson National Accelerator Facility has determined for the first...

Periodic table of the elements (University of California, Irvine).

Ununpentium: Scientists Confirm Existence of Element 115

Aug 28, 2013 by Sergio Prostak

An international team of physicists led by Lund University scientists has found new evidence for the existence of a synthetic super-heavy element with...

Scientists Detect Antimatter Particles in Solar Flares

Jul 9, 2013 by Sergio Prostak

Researchers from the United States and Russia analyzing microwave and magnetic-field data from solar-dedicated facilities and spacecraft have reported...

This computer simulation visualizes dark matter halo (Heidi Wu / Oliver Hahn / Risa Wechsler / Ralf Kaehler / Kavli Institute for Particle Astrophysics and Cosmology)

Dark Matter May Be Made Out of Majorana Fermions, Say Physicists

Jun 11, 2013 by News Staff

In a paper published online in the journal Physics Letters B (arXiv.org’s version), theoretical physicists from Vanderbilt University propose that dark...

Graphene-like structure of hydrogen phase IV (University of Edinburgh)

Physicists Measure Properties of Hydrogen Phase IV

Jun 5, 2013 by Enrico de Lazaro

Using high-pressure synchrotron radiation techniques at Brookhaven National Laboratory (BNL), a team of researchers has examined the structure, bonding...

Resonance ionization laser ion source of ISOLDE (CERN)

Physicists Measure Ionization Potential of Astatine, Rarest Naturally Occurring Element on Earth

May 23, 2013 by Sergio Prostak

In ground-breaking experiments conducted at the radioactive isotope facility ISOLDE at CERN, a multinational research team has investigated the atomic...

Artist's illustration of a butterfly as if departing from a moire pattern in graphene formed on top of a sheet of boron nitride (James Hedberg)

Hofstadter Butterfly Effect Observed for the First Time

May 17, 2013 by News Staff

Scientists from Japan and the United States have directly observed a rare quantum effect that produces a repeating butterfly-shaped energy spectrum first...

Heat cloak: a series of concentric rings lets heat propagating from left to right across a metallic sheet flow more readily around a thermally isolated disk than toward its center, leaving no sign of the disk in the temperature distribution on the right side; the colors represent temperatures measured with an infrared camera and are superimposed on a photo of the structure before the rubbery insulating material was added to the holes and gaps; the white lines connect points at the same temperature (R. Schittny / KIT)

Scientists Create Thermal Invisibility Cloak

May 15, 2013 by News Staff

A team of researchers from Germany and France reporting in the Physical Review Letters has developed and successfully tested a form of invisibility cloak...

The two observed events from August 2011, left, and January 2012, right. Each sphere represents a digital optical module; colors represent the arrival times of the photons where red indicates early and blue late times; the size of the spheres is a measure for the recorded number of photoelectrons (IceCube Collaboration)

IceCube Physicists Detect Two Record-Breaking Neutrinos

May 7, 2013 by Sergio Prostak

According to a new study submitted for publication in Physical Review Letters (arXiv.org version), two rare events observed in 2011 and 2012 by the IceCube...

The times and vertical (y) annihilation locations (green dots) of 10,000 simulated antihydrogen atoms in the decaying magnetic fields. There is a tendency for the anti-atoms to annihilate in the bottom half of the trap, as shown by the black solid line. The blue dotted line includes the effects of detector azimuthal smearing on the average; the smearing reduces the effect of gravity observed in the data. The red circles are the annihilation times and locations for 434 real anti-atoms, as measured by the particle detector (A. E. Charman, the ALPHA Collaboration)

Physicists Attempt to Measure Gravitational Mass of Antihydrogen

May 1, 2013 by News Staff

A team of researchers working with CERN’s Antihydrogen Laser Physics Apparatus (ALPHA) has reported the first direct measurement of gravity’s effect...

The layers of the Earth and their temperatures (European Synchrotron Radiation Facility)

Scientists: Earth’s Core Hotter than Previously Thought

Apr 29, 2013 by Sergio Prostak

French researchers have determined that the temperature of the Earth’s core is 10,800 degrees Fahrenheit (6,000 oC) – about 1,800 oF (1,000 oC)...

The B0 and B0s meson decays into K and π mesons were studied by CERN scientists. The decay into a negative K meson red track and a positive π green track is show here (LHCb experiment)

CERN Physicists Observe New Matter-Antimatter Difference

Apr 25, 2013 by Sergio Prostak

Scientists from CERN’s Large Hadron Collider beauty (LHCb) experiment have reported the first observation of matter-antimatter asymmetry in the decays...

This 3D image shows a cosmic-ray muon producing a large shower of energy as it passes through the NOvA far detector in Minnesota (NOvA collaboration)

NOvA Neutrino Detector Sees Particles in 3D

Apr 10, 2013 by News Staff

What will soon be the most powerful neutrino detector in the U.S. has recorded its first 3D images of particles. This 3D image shows a cosmic-ray muon...

Physicists Measure Magnetic Moment of Single Antimatter Particle

Mar 26, 2013 by Sergio Prostak

A research team led by Harvard University scientists has measured the magnetic moment of the antiproton more accurately than ever before. Antiproton annihilation....

H -> 2e2mu candidate event recorded by ATLAS on June 18, 2012. Muon tracks are colored red, electron tracks and clusters in the LAr calorimeter are colored green. The larger inset shows a zoom into the tracking detector. The smaller inset shows a zoom into the vertex region, indicating that the 4 leptons originate from the same primary vertex (ATLAS Collaboration)

CERN Presents New Results on Higgs Boson

Mar 14, 2013 by News Staff

Scientists from CERN’s CMS and ATLAS experiments have presented new results that further elucidate the particle discovered in 2012. H -> 2e2mu candidate...

Scientists Probe Mysteries of Glass

Feb 27, 2013 by Sergio Prostak

Researchers at Yale University and the Texas Tech University have found a way of predicting whether a given glass will be ductile or brittle. A glass sculpture...