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New sub-millimeter dimensions and quantum gravity around the corner
Dr. Nima Arkani-Hamed, Stanford Linear Accelerator Center, Stanford University. One of the major clues pointing to physics beyond the Standard Model is the hierarchy problem: why is gravity so feeble in strength compared to the weak interactions? We have recently proposed a new framework for solving this problem in which the fundamental Planck scale, where gravity unites in strength with the other interactions, is brought down to the electroweak scale in the presence of new sub-millimeter dimensions. This framework is experimentally viable, surviving laboratory, astrophysical and cosmological constraints. It opens up the exciting possibility that current and future accelerators will probe quantum gravitational effects and that deviations from Newtonian gravity may soon be observed in new sub-millimeter measurements of gravitational strength forces. The large space in the extra dimensions is a new arena in which to address other mysteries of the Standard Model, such as the origin of the quark, lepton and neutrino masses.
- "Dr. Nima Arkani-Hamed, Stanford Linear Accelerator Center, Stanford University. One of the major clues pointing to physics beyond the Standard Model is the hierarchy problem: why is gravity so feeble in strength compared to the weak interactions? We have recently proposed a new framework for solving this problem in which the fundamental Planck scale, where gravity unites in strength with the other interactions, is brought down to the electroweak scale in the presence of new sub-millimeter dimensions. This framework is experimentally viable, surviving laboratory, astrophysical and cosmological constraints. It opens up the exciting possibility that current and future accelerators will probe quantum gravitational effects and that deviations from Newtonian gravity may soon be observed in new sub-millimeter measurements of gravitational strength forces. The large space in the extra dimensions is a new arena in which to address other mysteries of the Standard Model, such as the origin of the quark, lepton and neutrino masses."@en
- "Conference papers and proceedings"@en
- "New sub-millimeter dimensions and quantum gravity around the corner"@en