News tagged with nuclear physics
Related topics: neutrinos
The new world of gamma-ray optics
Scientists discover that certain materials like silicon or gold exhibit a surprisingly large refractive index for extremely high energetic gamma-rays.
May 14, 2012 |
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Billard game in an atom: Physicists trace the double ionization of argon atoms on attosecond time scales
(Phys.org) -- When an intense laser pulse interacts with an atom it generates agitation on the micro scale. A rather likely outcome of this interaction is single ionization, where one electron is ejected from ...
May 08, 2012 |
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One supernova type, two different sources
The exploding stars known as Type Ia supernovae serve an important role in measuring the universe, and were used to discover the existence of dark energy. They're bright enough to see across large distances, ...
May 07, 2012 |
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'Faster-ticking clock' indicates early solar system may have evolved faster than we think
Our solar system is four and a half billion years old, but its formation may have occurred over a shorter period of time than we previously thought, says an international team of researchers from the Hebrew University of ...
Space & Earth / Space Exploration
May 01, 2012 |
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End of the magic: Shell model for beryllium isotopes invalidated
A research group led by Professor Dr. Wilfried Nortershäuser has, for the first time, managed to measure the size of the charge distribution in the atomic nucleus of the highly exotic beryllium-12 isotope. ...
Apr 05, 2012 |
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Italian physicist behind 'faster-than-light' test resigns
An Italian physicist at the head of a team that made a cautious but hugely controversial claim that neutrinos may travel faster than the speed of light resigned on Friday following calls for his dismissal.
Mar 30, 2012 |
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Researchers develop blueprint for nuclear clock accurate over billions of years
A clock accurate to within a tenth of a second over 14 billion years – the age of the universe – is the goal of research being reported this week by scientists from three different institutions. ...
Mar 19, 2012 |
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Stuxnet was 'good idea': former CIA chief
The Stuxnet computer virus sabotage of Iran's nuclear program was a "good idea" but it lent legitimacy to the use of malicious software as a weapon, according to a former CIA director.
Mar 02, 2012 |
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The physics of earthquake forecasting
One year on from the magnitude-9.0 earthquake that unleashed a devastating tsunami and caused a partial meltdown of the Fukushima Daiichi nuclear plant, this month's special issue of Physics World, on the theme of "Physics ...
Space & Earth / Earth Sciences
Mar 01, 2012 |
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Pulsars: The Universe's gift to physics
Pulsars, superdense neutron stars, are perhaps the most extraordinary physics laboratories in the Universe. Research on these extreme and exotic objects already has produced two Nobel Prizes. Pulsar researchers now are poised ...
Feb 19, 2012 |
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Borexino Collaboration succeeds in spotting pep neutrinos emitted from the sun
(PhysOrg.com) -- To learn more about how the sun works, scientists study particles that are emitted from it into space due to thermonuclear reactions that occur inside; by applying known physics principles, ...
Feb 09, 2012 |
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Hot molecule explains cold chemistry
(PhysOrg.com) -- Surprisingly, hydrogen cyanide and its far more energetic isomer, hydrogen isocyanide, are present in almost equal amounts in cold interstellar gas clouds. Scientists from the Max Planck Institute ...
Jan 30, 2012 |
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Research promises smaller, cheaper therapy machines that could revolutionise cancer treatment
(PhysOrg.com) -- Landmark technology that could revolutionise cancer therapy and pave the way for cleaner, safer nuclear reactors in the future, has been published in Nature Physics today. The pioneering EMMA ( ...
Jan 09, 2012 |
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Particle physicists report 'intriguing hints' of Higgs Boson
Yesterday physicists in Europe reported possible signs of the Higgs boson, a missing piece in the particle-physics puzzle long suspected of giving elementary particles -- such as electrons and quarks -- their mass ...
Dec 14, 2011 |
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'Faster-than-light' particles spark science drama
Oh Albert. Did you get it wrong? In 2011, physics was shaken by an experiment which said the Universe's speed limit, enshrined by Einstein in his 1905 theory of special relativity, could be broken.
Dec 09, 2011 |
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