Matter-antimatter molecules of positronium observed in the lab for the first time

User rating: 4.8 / 5 after 110 vote(s)

The ultra-high vacuum target chamber where the intense positron pulse is implanted into the porous silica film. The magnet coils carry a current of 1000 amps for a few hundred milliseconds to generate the strong magnetic field needed to compress the ...
The ultra-high vacuum target chamber, where the intense positron pulse is implanted into the porous silica film. The magnet coils carry a current of 1000 amps for a few hundred milliseconds to generate the strong magnetic field needed to compress the positron beam. Credit: David Cassidy, UC-Riverside

Physicists at UC Riverside have created molecular positronium, an entirely new object in the laboratory. Briefly stable, each molecule is made up of a pair of electrons and a pair of their antiparticles, called positrons.


Full story »
All News summaries from Physics news
All News summaries for September 12, 2007

Researchers develop breakthrough technique to unlock the secret of plasmas

Nov 21, 2008 | User rating: not rated yet
University of British Columbia researchers have developed a technique that brings scientists a big step closer to unlocking the secrets of the most abundant form of matter in the universe.

Scientists See New Mechanism for Superconductivity

Nov 21, 2008 | User rating: not rated yet
(PhysOrg.com) -- Los Alamos National Laboratory researchers have posited an explanation for superconductivity that may open the door to the discovery of new, unconventional forms of superconductivity.

Putting an end to turbulence

Nov 21, 2008 | User rating: not rated yet
When a flow reaches a certain speed, things get turbulent: The fluid or the gas no longer flows in an orderly fashion but whirls around wildly. However, in contrast to what researchers assumed until now, this ...

The Relativistic Heavy Ion Collider Makes Some Noise

Nov 21, 2008 | User rating: not rated yet
(PhysOrg.com) -- A group of physicists studying heavy-ion collisions at the Relativistic Heavy Ion Collider (RHIC), a large particle accelerator located on Long Island, New York, recently showed that the collisions ...

Supercontinuum generation and soliton dynamics milestone achieved

Nov 20, 2008 | User rating: not rated yet
A research team led by Fetah Benabid, University of Bath, has observed for the first time the simultaneous emission of two resonant dispersive waves by optical solitons (waves that maintain their shape while traveling at ...
Goto Archive PhysOrg Forum Goto Archive Video Goto Archive Editorials Goto Archive Free Magazines Goto Archive Newsletter

News Archive