Physicists Build Unparticle Models Guided by Big Bang and Supernovae

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Unparticles and their interactions with neutrinos and other standard model particles might cause distortions in the cosmic microwave background. (WMAP image of the CMB temperature anisotropy)
Unparticles and their interactions with neutrinos and other standard model particles might cause distortions in the cosmic microwave background. (WMAP image of the CMB temperature anisotropy)

Cosmology and astrophysics may help guide physicists in building a model of “unparticles,” a newly proposed sector of physics. Recently, Hooman Davoudiasl of Brookhaven National Laboratory has investigated some basic requirements that unparticles must fulfill to ensure that our standard picture of the universe remains intact.


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