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Topic: Bosonic particles


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In the News (Sat 22 Nov 08)

  
  ScienceWeek
All particles in nature are either fermions or bosons, with fermions (always elementary particles) having half-integer spin (spin-states characterized by half-integer multiples of Planck's constant divided by 2 pi), and bosons (all other particles) having integer spin (spin-states characterized by integer multiples of Planck's constant divided by 2 pi).
In general, bosons are particles that obey Bose-Einstein statistics, and they include photons, pi mesons, all nuclei having an even number of particles, and all particles with integer or zero spin.
Bosons are particles that obey Bose-Einstein statistics, and they include photons, pi mesons, all nuclei having an even number of particles, and all particles with integer spin.
www.scienceweek.com /2003/sw030404.htm   (10906 words)

  
 Entanglement and reference frames
whereas particles with mass are confined to the region of the particle.
Bosons are invisible and have fermionic partners and strings reside on the surface of branes and are representations holographically of the interiors of the branes (Witten and others).
When a particle is created from the "Uberspace" extra "space" is manifest in the six extra dimensions which are not seen or comprehended directly in "spacetime" or 3D +T. Witten tells us that this "object" is attached to the general manifold we live on but in different dimensions.
lofi.forum.physorg.com /Entanglement-and-reference-frames_1358.html   (13471 words)

  
 Bose Einstein condensate Article, BoseEinsteincondensate Information
This phenomenon was predicted in the 1920s by Satyendra Nath Bose and Albert Einstein, based on Bose's work on the statistical mechanics of photons, as formalized andgeneralized by Einstein.
The result of their efforts is the Bose Einstein statistics, an equation describing the statistical distribution of certain types of identical particles now known as bosons.
Bosonic particles, which include the photon as well as atoms such as helium-4, are allowed to quantum statess with each other.Einstein speculated that cooling bosonic atoms to a certain very low temperature would cause them to fall (or "condense") intothe lowest accessible quantum state, resulting in a new form of matter.
www.anoca.org /atoms/wieman/bose_einstein_condensate.html   (621 words)

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