News tagged with accelerator

Related topics: particles , particle accelerator

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 ...

Physics / General Physics

created Feb 23, 2012 | popularity 4.7 / 5 (26) | comments 8 | with audio podcast

Gyroscope's unexplained acceleration may be due to modified inertia

(PhysOrg.com) -- When a spinning laser gyroscope is placed near a super-cooled rotating ring, the gyroscope accelerates a bit in the same direction as the ring, and scientists aren’t sure why. The anomalous acceleration ...

Physics / General Physics

created Jul 26, 2011 | popularity 4.5 / 5 (26) | comments 51 feature

Statistical modeling could help us understand cosmic acceleration

(PhysOrg.com) -- While it is generally accepted by scientists that the universe is expanding at an accelerated rate, there are questions about why this should be so. For years, scientists have been trying to determine the ...

Physics / General Physics

created Dec 24, 2010 | popularity 4.5 / 5 (28) | comments 153 | with audio podcast feature

In Twin Paradox Twist, the Accelerated Twin is Older

Just when you thought you were beginning to understand the twin paradox (maybe), scientists have found something new to ponder. In the original version of the famous thought experiment on time dilation, one ...

Physics / General Physics

created Jun 09, 2009 | popularity 3.3 / 5 (43) | comments 85 feature

Physicists turn to Maxwell’s equations for self-bending light

(Phys.org) -- Can light self-bend into an arc? Can shape-preserving optical beams truly bend along a circular path? A confident answer emerged in this week’s Physical Review Letters. Researchers at Israel’s Techni ...

Physics / General Physics

created Apr 21, 2012 | popularity 4.8 / 5 (30) | comments 27 | with audio podcast weblog

When dark energy turned on (Update)

(PhysOrg.com) -- Some six billion light years distant, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction ...

Space & Earth / Astronomy

created Mar 30, 2012 | popularity 4 / 5 (19) | comments 68 | with audio podcast

Looking at quantum gravity in a mirror

Einstein's theory of gravity and quantum physics are expected to merge at the Planck-scale of extremely high energies and on very short distances. At this scale, new phenomena could arise. However, the Planck-scale ...

Physics / Quantum Physics

created Mar 18, 2012 | popularity 4.8 / 5 (27) | comments 9 | with audio podcast

X-rays reveal how soil bacteria carry out surprising chemistry

Researchers working at the SLAC National Accelerator Laboratory have used powerful X-rays to help decipher how certain natural antibiotics defy a longstanding set of chemical rules – a mechanism that ...

Chemistry / Biochemistry

created Mar 04, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Mysterious electron acceleration explained

A mysterious phenomenon detected by space probes has finally been explained, thanks to a massive computer simulation that was able to precisely align with details of spacecraft observations. The finding could ...

Physics / General Physics

created Feb 27, 2012 | popularity 4.9 / 5 (12) | comments 18 | with audio podcast

World's most powerful X-ray laser creates two-million-degree matter

Researchers working at the SLAC National Accelerator Laboratory have used the world's most powerful X-ray laser to create and probe a two-million-degree piece of matter in a controlled way for the first time. ...

Physics / General Physics

created Jan 25, 2012 | popularity 5 / 5 (15) | comments 2 | with audio podcast

Fermi shows that Tycho's star shines in gamma rays

(PhysOrg.com) -- In early November 1572, observers on Earth witnessed the appearance of a "new star" in the constellation Cassiopeia, an event now recognized as the brightest naked-eye supernova in more than ...

Space & Earth / Astronomy

created Dec 13, 2011 | popularity 4.9 / 5 (11) | comments 6 | with audio podcast

Researchers find world's first x-ray laser produces most coherent x-ray radiation ever

(PhysOrg.com) -- The world's first x-ray laser, the Linac Coherent Light Source (LCLS), first unveiled in 2009 at the Stanford Linear Accelerator Center in Palo Alto California, has been undergoing testing ...

Physics / General Physics

created Oct 03, 2011 | popularity 4.4 / 5 (7) | comments 8 | with audio podcast report

Roll over Einstein: Law of physics challenged (Update 3)

One of the very pillars of physics and Einstein's theory of relativity - that nothing can go faster than the speed of light - was rocked Thursday by new findings from one of the world's foremost laboratories.

Physics / General Physics

created Sep 22, 2011 | popularity 4.7 / 5 (100) | comments 181

Rare particle decay could mean new physics

(PhysOrg.com) -- An incredibly rare sub-atomic particle decay might not be quite as rare as previously predicted, say Cornell researchers. This discovery, culled from a vast data set at the Collider Detector at Fermilab (CDF), ...

Physics / General Physics

created Aug 23, 2011 | popularity 4.6 / 5 (22) | comments 27 | with audio podcast

A hint of Higgs: An update from the LHC

The physics world was abuzz with some tantalizing news a couple of weeks ago. At a meeting of the European Physical Society in Grenoble, France, physicists -- including some from Caltech -- announced that ...

Physics / General Physics

created Aug 16, 2011 | popularity 4.6 / 5 (36) | comments 57 | with audio podcast