Hunting dark energy with gravity resonance spectroscopy

Dark Energy is widely believed to be the driving force behind the universe's accelerating expansion, and several theories have now been proposed to explain its elusive nature. However, these theories predict that its influence on quantum scales must be vanishingly small, and experiments so far have not been accurate enough to either verify or discredit them. In new research published in EPJ ST, a team led by Hartmut Abele at TU Wien in Austria demonstrates a robust experimental technique for studying one such theory, using ultra-cold neutrons. Named "Gravity Resonance Spectroscopy" (GRS), their approach could bring researchers a step closer to understanding one of the greatest mysteries in cosmology.

from Phys.org - latest science and technology news stories https://ift.tt/2ULYsjb

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