News tagged with particle measurements
A new generation of acoustic measurements
NPL scientists have made the first measurements of airborne acoustic free-field pressures using a laser technique based on photon correlation spectroscopy.
May 29, 2012 |
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Dance like a neutrino: Quantum scheme to simulate neutrino oscillations
The behaviour of some of the most elusive particles in the known universe can be simulated using three atoms in a lab, researchers at the Centre for Quantum Technologies (CQT) at the National University of Singapore have ...
Mar 21, 2012 |
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'Faster-than-light' particles fade after cross-check
Neutrinos do not go faster than light, according to fresh measurements of a test last year that had suggested the particles broke the Universe's speed limit, CERN said on Friday.
Mar 16, 2012 |
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Hong Kong begins monitoring fine particle pollution
The Hong Kong government on Thursday began releasing hourly readings of the smallest, most dangerous pollution particles, as it bowed to public pressure for greater transparency about air quality.
Mar 08, 2012 |
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World's best measurement of W boson mass tests Standard Model, Higgs boson limits
(PhysOrg.com) -- Just as firemen use different methods to narrow the location of a person trapped in a building, scientists employ two techniques to find the hiding place of the theorized Higgs particle: direct ...
Feb 23, 2012 |
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Nano discs pose potential health risk
(PhysOrg.com) -- A revolutionary material that is used in computer technology could pose health risks to those involved in its manufacture.
Nanotechnology / Bio & Medicine
Feb 21, 2012 |
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CMS in 2011: A mountain of particle collision data
Datasets are the currency of physics. As data accumulate, measurement uncertainty ranges shrink, increasing the potential for discoveries and making non-observations more stringent, with more far-reaching ...
Jan 17, 2012 |
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Are you certain, Mr. Heisenberg? New measurements deepen understanding of quantum uncertainty
Heisenberg's Uncertainty principle is arguably one of the most famous foundations of quantum physics. It says that not all properties of a quantum particle can be measured with unlimited accuracy. Until now, this has often ...
Jan 17, 2012 |
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U of Toronto experiment named top breakthrough of 2011 by Physics World
Aephraim Steinberg and colleagues at the Centre for Quantum Information and Quantum Control at the University of Toronto had the top physics breakthrough of the year according to Physics World magazine.
Dec 16, 2011 |
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The world's biggest radar laboratory
In the past year, the Department of Energy's Atmospheric Radiation Measurement (ARM) Climate Research Facility deployed 18 new scanning radars at its research sites in Oklahoma, Alaska, and the tropical western Pacific. These ...
Space & Earth / Earth Sciences
Dec 08, 2011 |
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Scientists take fresh look at 'faster-than-light' experiment
Scientists who threw down the gauntlet to physics by reporting particles that broke the Universe's speed limit said on Friday they were revisiting their contested experiment.
Oct 28, 2011 |
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Glowing beacons reveal hidden order in dynamical systems
A dynamical system in which repeated measurements on a single particle yield the same mean result as a single measurement of the whole ensemble is said to be ergodic. The ergodic theorem expresses a fundamental physical principle, ...
Oct 19, 2011 |
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CERN's LHCb experiment takes precision physics to a new level
(PhysOrg.com) -- Results presented by CERN1's LHCb experiment at the biennial Lepton-Photon conference in Mumbai, India on Saturday 27 August are becoming the most precise yet on particles called B mesons, which provide a ...
Aug 29, 2011 |
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The making of dust
(PhysOrg.com) -- On the Earth, dust particles are everywhere - under beds, on bookshelves, even floating in the air. We take dust for granted. Dust is also common in space, and it is found for example in the ...
Jul 06, 2011 |
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Canadian researchers devise method to directly measure the quantum wavefunction
(PhysOrg.com) -- Physics researchers working at the National Research Council in Canada have succeeded in developing a way to directly measure the wavefunction of a photon. The technique, as described in their ...
Jun 16, 2011 |
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