News tagged with standard model

Physics experiment suggests existence of new particle

(PhysOrg.com) -- The results of a high-profile Fermilab physics experiment involving a University of Michigan professor appear to confirm strange 20-year-old findings that poke holes in the standard model, suggesting the ...

Physics / General Physics

created Nov 02, 2010 | popularity 4.8 / 5 (58) | comments 34 | with audio podcast

Can R2 gravity explain dark matter?

(PhysOrg.com) -- "In many ways, the standard model of cosmology works very well," Jose Cembranos tells PhysOrg. "However, there are very basic features that we just do not know. We have dark energy and dark matter. They d ...

Physics / General Physics

created Apr 20, 2009 | popularity 3.4 / 5 (81) | comments 50 feature

Durham astronomers' doubts about the 'dark side'

(PhysOrg.com) -- New research by astronomers in the Physics Department at Durham University suggests that the conventional wisdom about the content of the Universe may be wrong. Graduate student Utane Sawangwit ...

Space & Earth / Astronomy

created Jun 14, 2010 | popularity 5 / 5 (53) | comments 72 | with audio podcast

Physicists Investigate Possibility of an 'Unhiggs'

(PhysOrg.com) -- One of the biggest goals of the LHC is to discover the Higgs boson, the only particle in the Standard Model that has not yet been observed. In general, physicists are pretty confident that ...

Physics / General Physics

created Jan 28, 2010 | popularity 4.6 / 5 (47) | comments 45 | with audio podcast feature

Scientists find evidence for significant matter-antimatter asymmetry

(PhysOrg.com) -- Scientists of the DZero collaboration at the Department of Energy’s Fermi National Accelerator Laboratory announced Friday, May 14, that they have found evidence for significant violation ...

Physics / General Physics

created May 18, 2010 | popularity 4.9 / 5 (41) | comments 86 | with audio podcast

Study finds there may be multiple 'God particles'

(PhysOrg.com) -- Recent research in the US suggests there may be five versions of the theorized Higgs boson.

Physics / General Physics

created Jun 16, 2010 | popularity 4.8 / 5 (40) | comments 110 | with audio podcast report

Time reversal: A simple particle could reveal new physics

(PhysOrg.com) -- A simple atomic nucleus could reveal properties associated with the mysterious phenomenon known as time reversal and lead to an explanation for one of the greatest mysteries of physics: the ...

Physics / General Physics

created Oct 11, 2011 | popularity 4.8 / 5 (40) | comments 128 | with audio podcast

Researchers seeking the fourth property of electrons

Do electrons have a fourth property in addition to mass, charge and spin, as popular physics theories such as supersymmetry predict? Researchers from Germany, the Czech Republic and the USA want to find the ...

Physics / General Physics

created Jul 20, 2010 | popularity 4.9 / 5 (38) | comments 28 | with audio podcast

3 Questions: Steven Nahn on the elusive Higgs boson

(PhysOrg.com) -- Troubles at the Large Hadron Collider have led some physicists to suggest the Higgs boson is sabotaging its own discovery. Nahn explains why he disagrees.

Physics / General Physics

created Oct 19, 2009 | popularity 4.3 / 5 (41) | comments 10

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

Primordial weirdness: Did the early universe have 1 dimension?

(PhysOrg.com) -- Did the early universe have just one spatial dimension? That's the mind-boggling concept at the heart of a theory that University at Buffalo physicist Dejan Stojkovic and colleagues proposed in 2010.

Physics / General Physics

created Apr 20, 2011 | popularity 4.3 / 5 (37) | comments 200 | with audio podcast

Physicist's blog post rumors Higgs discovery at Fermilab

(PhysOrg.com) -- A rumor that Fermilab’s Tevatron may have discovered evidence of a light Higgs boson wouldn't be the first unsupported speculation from Tommaso Dorigo, a physicist at the University of Padua ...

Physics / General Physics

created Jul 13, 2010 | popularity 4 / 5 (38) | comments 21 | with audio podcast weblog

New Data Suggests We Don’t Live in a Void, and Supports Dark Energy

(PhysOrg.com) -- An alternative proposal to dark energy in which the Earth sits near the center of a large void is undergoing scrutiny, and the results show that void models fit poorly with observed data. ...

Physics / General Physics

created Jan 28, 2009 | popularity 3.9 / 5 (37) | comments 75 feature

Hunt for Higgs boson: Mass of top quark narrows search

(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 ...

Physics / General Physics

created Dec 07, 2009 | popularity 4.7 / 5 (31) | comments 29

'Neutrino oscillation': Particle chameleon caught in the act of changing

(PhysOrg.com) -- Researchers on the OPERA experiment at the INFN's Gran Sasso laboratory in Italy today announced the first direct observation of a tau particle in a muon neutrino beam sent through the Earth ...

Physics / General Physics

created May 31, 2010 | popularity 4.9 / 5 (28) | comments 39 | with audio podcast

Standard Model

The 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.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.