Standard Model
hideThe Standard Model of particle physics is a theory of three of the four known fundamental interactions and the elementary particles that take part in these interactions. These particles make up all visible matter in the universe. The standard model is a gauge theory of the electroweak and strong interactions with the gauge group SU(3)×SU(2)×U(1).
Every high energy physics experiment carried out since the mid-20th century has eventually yielded findings consistent with the Standard Model. Still, the Standard Model falls short of being a complete theory of fundamental interactions because it does not include gravity, dark matter, or dark energy. It isn't quite a complete description of leptons either, because it does not describe nonzero neutrino masses, although simple natural extensions do.
For more information about Standard Model, read the full article at
Wikipedia.
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News tagged with standard model
Hunt for Higgs boson: Mass of top quark narrows search
Dec 07, 2009 |
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(PhysOrg.com) -- New high-energy particle research by a team working with data from Fermi National Accelerator Laboratory further heightens the uncertainty about the exact nature of a key theoretical component ...
Theorists propose a new way to shine -- and a new kind of star
Dec 14, 2009 |
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Dying, for stars, has just gotten more complicated. For some stellar objects, the final phase before or instead of collapsing into a black hole may be what a group of physicists is calling an electroweak star.
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NREL Evaluates UPS Hybrid-Electric Van Performance
Dec 22, 2009 |
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(PhysOrg.com) -- The U.S. Department of Energy's National Renewable Energy Laboratory (NREL) has collected and analyzed fuel economy, maintenance and other vehicle performance data from UPS’s first generation hybrid diesel ...
Nanoscale changes in collagen are a tipoff to bone health
Dec 22, 2009 |
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Using a technique that provides detailed images of nanoscale structures, researchers at the University of Michigan and Detroit's Henry Ford Hospital have discovered changes in the collagen component of bone ...
Researchers creating model of HIV care for developing nations
Medicine & Health / HIV & AIDS
Dec 21, 2009 |
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(PhysOrg.com) -- Expanding Michigan State University's global health outreach, a team of researchers is working in the Dominican Republic to establish a model for HIV/AIDS care that can be exported to other resource-limited ...
Financial instruments could be spiked with unfindable risks
Dec 21, 2009 |
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(PhysOrg.com) -- In a result that may have implications for financial regulation, researchers from computer science and economics have revealed potentially impenetrable problems with the pricing of financial ...
Netbooks start raising the stakes
Electronics / Consumer & Gadgets
Dec 18, 2009 |
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The standard desktop computer is about as popular as swine flu these days, with all the major innovations happening in the laptop and netbook segment.
Review: Netbooks meet luxury in ultra-light Sony
Electronics / Consumer & Gadgets
Dec 16, 2009 |
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(AP) -- Netbooks have been a hit among laptop buyers because they're cheap and they're easy to carry. Now there's the option to pay a lot more and get a lot less - a lot less weight, that is.
Samsung LTE Dongle Is Now Available for TeliaSonera's World First Commercial 4G Service
Dec 15, 2009 |
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Samsung Electronics has announced the commercial availability of its 4G Long Term Evolution (LTE) dongle in Sweden and Norway.
City Tech physicist thinks small and big with CERN Large Hadron Collider research
Dec 11, 2009 |
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New York City College of Technology Physics Professor Giovanni Ossola thinks both small and big. He is currently developing a new tool that will lead to more precise computations involving the actions of particles (the smallest ...
Sonic Hedgehog variations linked to recurrence, survival and response to therapy of bladder cancer
Dec 09, 2009 |
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Genetic variations in the Sonic Hedgehog pathway increase the likelihood of recurrence, reduce survival time and limit response to therapy for people with non-muscle invasive bladder cancer, scientists from The University ...
Scientists take theoretical research on 'nasty' molecule to next level
Dec 04, 2009 |
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(PhysOrg.com) -- Some atoms don't always follow the rules. Take the beryllium dimer, a seemingly simple molecule made up of two atoms that University of Delaware physicists Krzysztof Szalewicz and Konrad Patkowski ...
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