Finding:

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   Standard Model

   The W and Z bosons were produced experimentally in 1981, confirming their predicted masses. ... Does the Higgs boson predicted by the model really exist?
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   List of particles

   All the particles of the Standard Model have been observed, with the exception of the Higgs boson. ... Supersymmetric theories predict the existence of more particles, none of which have been confirmed experimentally as of 2008:
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   Photon

   Another example of such contributions verified experimentally is the QED prediction of the Lamb shift observed in the hyperfine structure of bound lepton pairs, such as muonium and positronium. ... | Family: | Boson |
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   Quark

   Since in the Standard Model it is theorized that elementary particles get their masses from the Higgs mechanism, it is hoped that, in the next years, the detection of the Higgs boson in particle accelerators—such as the Large Hadron Collider—and the study of the top quark's interaction with the Higgs field might help answer the question. ... Therefore, most of what is known experimentally about quarks has been inferred indirectly from the effects they have on their parent hadron's properties.
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   Dimensionless physical constant

   Hence their values must be ascertained experimentally. ... Masses of the fundamental particles (represented in terms of the Planck mass or some other natural unit of mass), namely the six quarks, the six leptons, the Higgs boson, the W boson and the Z boson;
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   Heim theory

   Predictions claimed to have been derived from first principles that are experimentally testable are: ... The ATLAS and CMS experiments at the Large Hadron Collider are likely to discover the Higgs boson in the next several years, if it exists.
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   Universe

   Since these universes are, by definition, disconnected from our own, these speculations cannot be tested experimentally. ... The Higgs boson (as yet unobserved) is believed to confer mass on the particles with which it is connected.
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   Physics

   Each of these theories were experimentally tested numerous times and found correct as an approximation of Nature (within a certain domain of validity). ... In the next several years, particle accelerators will begin probing energy scales in the TeV range, in which experimentalists are hoping to find evidence for the Higgs boson and supersymmetric particles.
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   Timeline of microphysics

   1960 R.G. Chambers experimentally confirms the Aharonov-Bohm effect ... 2008 The Large Hadron Collider at CERN is scheduled to begin operation in this year and has a big chance to find the Higgs boson later
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    Neutrino oscillation

    This is expected, but not yet observed experimentally. ... In the Standard Model of particle physics, fermions only have mass because of interactions with the Higgs field (see Higgs boson).

Explore the following pages on Powerset:

• Standard Model,
• List of particles,
• Photon,
• Quark,
• Dimensionless physical constant,
• Heim theory,
• Universe,
• Physics,
• Timeline of microphysics,
• Neutrino oscillation