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Why matter matters in the universe
A new physics discovery explores why there is more matter than antimatter in the universe. view more (2008-03-31)
Dramatic Difference Discovered In Behaviour Of Matter And Antimatter
Today, August 2nd 2004, particle physicists from the UK and around the world working on the BABAR experiment at the Stanford Linear Accelerator Center (SLAC) in the USA, announced exciting new results demonstrating a dramatic difference in the behaviour of matter and antimatter. Their discovery may help to explain why the Universe we live in is... view more... (2004-08-02)
In the first second of Creation
At the very beginning of the Universe both forms of matter existed in equal amounts. They should have cancelled themselves out leaving just energy. But, within a second, something happened to ensure that matter prevailed - and that the Universe could develop in the way that it did. BaBar should shed light on that critical event 15 billion years... view more... (1999-06-11)
Time reversal in the real world
If time went backwards life would look like a video recording played in reverse - or would it? New findings demonstrate that this common assumption may not hold true. Experiments showing for the first time that time is not symmetrical are explained today by Dr John Fry from the University of Liverpool at the British Association Festival of... view more... (2000-09-04)
Physicists offer new approach to studying antimatter
What happens when two atoms, each made up of an electron and its antimatter counterpart, called the positron, collide with each other? view more (2005-11-01)
Molecules of positronium observed in the laboratory for the first time
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. view more (2007-09-13)
Physicists size up the 'unitarity triangle'
B factory experiments at the Stanford Linear Accelerator Center (SLAC) in the USA and at the High Energy Accelerator Research Organization (KEK) in Japan have reached a new milestone in the quest to understand the matter-antimatter imbalance in our universe. view more (2006-06-26)
Lining up for a new atom smasher
The physicists are coming to Oxford for the ECFA/DESY Linear Collider Workshop, from 20-23 March. Here they will develop plans for two 10-km long particle accelerators which will be accurately aligned to fire beams of electrons and positrons (anti-electrons) at each other. When matter and antimatter collide, they disappear - annihilate - in a... view more... (1999-03-16)
Where has all the antimatter gone?
Scientists from the Universities of Liverpool and Glasgow have completed work on the inner heart of an experiment which seeks to find out what has happened to all the antimatter created at the start of the Universe. view more (2007-04-12)
First controlled production of atomic antimatter.
Physicists have just achieved the world's first controlled production of anti-hydrogen atoms, the crucial first step towards precision studies of its properties. This achievement has opened up the potential to cool, trap and study anti-atoms. A team from the University of Wales - Swansea, led by Professor Michael Charlton, played a key role in... view more... (2002-09-19)
Warp speed brings Dirac into the 21st century
You`d be forgiven for thinking that an American predicted anti-matter. Or that it only existed in Star Trek. In fact, it was Paul Dirac, a Bristol born physicist, who predicted the stuff that propels starships in science fiction movies and who has also influenced much of our modern day technology, for example, computers. Today, 8 August is the... view more... (2002-08-06)
What Happened to the Antimatter? Fermilab's DZero Experiment Finds Clues in Quick-Change Meson
Scientists of the DZero collider detector collaboration at the Department of Energy's Fermi National Accelerator Laboratory have announced that their data on the properties of a subatomic particle, the B_s meson ("B sub s"), suggest that the particle oscillates between matter and antimatter in one of nature's fastest rapid-fire... view more... (2006-03-24)
Thousands of cold anti-atoms produced at CERN
An international team of physicists working at the Antiproton Decelerator (AD) facility at CERN has announced the first controlled production of large numbers of antihydrogen atoms at low energies. After mixing cold clouds of trapped positrons and antiprotons - the antiparticles of the familiar electron and proton - under closely monitored... view more... (2002-09-18)
CERN result provides answer to one of nature's most subtle secrets
PR08.99 21.06.99 view more (1999-06-21)
It Might Be... It Could Be... It Is !
Scientists of the CDF collaboration at the Department of Energy's Fermi National Accelerator Laboratory announced today (September 25, 2006) that they have met the exacting standard to claim discovery of astonishingly rapid transitions between matter and antimatter: 3 trillion oscillations per second. view more (2006-09-26)
UCR-led research team detects 'top quark,' a basic constituent of matter
A group of 50 international physicists, led by UC Riverside's Ann Heinson, has detected for the first time a subatomic particle, the top quark, produced without the simultaneous production of its antimatter partner - an extremely rare event. view more (2006-12-14)
Were the first stars dark?
Perhaps the first stars in the newborn universe did not shine, but instead were invisible "dark stars" 400 to 200,000 times wider than the sun and powered by the annihilation of mysterious dark matter, a University of Utah study concludes view more (2007-12-03)
CERN experiment provides first glimpse inside cold antihydrogen
The ATRAP experiment at the Antiproton Decelerator at CERN has detected and measured large numbers of cold antihydrogen atoms. Relying on ionization of the cold antiatoms when they pass through a strong electric field gradient, the ATRAP measurement provides the first glimpse inside an antiatom, and the first information about the physics of... view more... (2002-10-29)
Antiprotons 4 times more effective than protons for cell irradiation
A pioneering experiment at CERN with potential future application in cancer therapy has produced its first results. Started in 2003, ACE (Antiproton Cell Experiment) is the first investigation of the biological effects of antiprotons. view more (2006-11-01)
New frontiers in science education
This year, 24 exhibits cover an unprecedented range of science. Students can see: a model of the robot Mars lander Beagle 2; a computer based hands-on device for training surgeons; an antimatter detector from a key physics experiment; designer magnetic materials; the impact of genetically modified (GM) crops on the environment; the internal... view more... (1999-06-11)
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