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Thread: The unparticle

  1. #1 The unparticle 
    Forum Radioactive Isotope cosmictraveler's Avatar
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    May 2005
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    Recently, scientists found traces of another bizarre particle, called the unparticle. It could carry a fifth force of nature, that of long-range spin-spin interactions. On smaller scales, a short-range spin interaction is common: it's the force that aligns the direction of electron spin in magnets and metals. But longer interactions are much more elusive. If this force exists at all, it would have to be a million times smaller than that found between an electron and a neutron.
    To find the unparticle, physicists are searching inside Earth's mantle, where tons of electrons are packed together, aligned with Earth's magnetic field. Any small perturbation in that alignment could reveal a hint of the unparticle.


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