As tissue decays, he said, certain chemicals are produced that inhibit the formation of disease.
Gluons colliding to produce a Higgs boson which then decays to a pair of photons.
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In these events, one elementary particle "decays", or transforms, into another with a smaller mass.
It decays into three pions, a complex process that takes more time to happen.
For one thing, fluorine-18 decays far more slowly than other biologically useful positron emitters.
"That's what we've seen - a difference of about one in four of these decays, " he told the BBC.
Experts say finding it can be a matter of luck and has to be done quickly because it decays rapidly.
Carbon-14 decays into nitrogen at predictable rates, which is how it can be used to determine the age of an object.
As the radioisotope decays, it produces heat energy that is converted by thermoelectric materials into the electricity that powers the space probe.
When a D0-meson decays, it produces daughter particles called pions and kaons.
Environmentalists worry that such antibiotic resistance might somehow be passed on to bacteria when the plant decays or is digested, making the bacteria more intractable.
To figure that out, scientists must look at how fast the boson decays into other particles, and see how the decay rate stacks up against predictions.
The Higgs boson decays too fast to detect directly, but decays into particles similar to those left behind by the decay of a top quark anti-top quark pair.
The conversion is not direct, and involves the initial formation of thorium-233, which decays rapidly to protactinium-233, and then to uranium-233 over a period of about a month.
"If one decays more often to this final state... than the other one, then it shows a fundamental difference between matter and antimatter, " said Chris Parkes of the University of Manchester, spokesperson for the UK contingent of the LHCb collaboration.
Both ATLAS and CMS have seen a number of these predicted patterns often enough to pique interest, but not (yet) often enough to constitute proof that they came from Higgses, rather than being random fluctuations in the background of non-Higgs decays.
Our best understanding of physics so far, called the Standard Model, suggests that the complicated cascades of decay of D-mesons into other particles should be very nearly the same - within less than 0.1% - as a similar chain of antimatter decays.
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