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AEgIS (Antimatter Experiment: gravity, Interferometry, Spectroscopy), AD-6, is an experiment at the Antiproton Decelerator facility at CERN.Its primary goal is to measure directly the effect of Earth's gravitational field on antihydrogen atoms with significant precision. [1]
More recent experiments prove the quantum nature of molecules made of 810 atoms and with a mass of 10 123 Da. [45] As of 2019, this has been pushed to molecules of 25 000 Da. [46] In these experiments the build-up of such interference patterns could be recorded in real time and with single molecule sensitivity. [47]
Cavendish experiment: Henry Cavendish: Measurement Gravitational constant: 1799 Voltaic pile: Alessandro Volta: Demonstration First electric battery: 1803 Young's interference experiment: Thomas Young: Confirmation Wave theory of light: 1819 Arago spot experiment François Arago: Confirmation Fresnel diffraction due to circular object 1838 ...
An important contribution to the Davisson–Germer experiment was made by Walter M. Elsasser in Göttingen in the 1920s, who remarked that the wave-like nature of matter might be investigated by electron scattering experiments on crystalline solids, just as the wave-like nature of X-rays had been confirmed through Barkla's X-ray scattering ...
The DAMA/NaI experiment [1] [2] investigated the presence of dark matter particles in the galactic halo by exploiting the model-independent annual modulation signature. Based on the Earth's orbit around the Sun and the solar system's speed with respect to the center of the galaxy (which on short time scales can be considered constant), the Earth should be exposed to a higher flux of dark ...
In January 2022 the experiment published its results setting constraints for dark matter with Planck-scale mass with mass between 8.3×10 6 GeV/c 2 and 1.2×10 19 GeV/c 2 and cross section from 1×10 −23 cm 2 to 2.4×10 −18 cm 2. These were the first results for dark matter on this super-heavy mass scale.
Studies using these experiments have shown that the ground state of underdoped cuprates behave similar to a Fermi liquid, and display characteristics such as Landau quasiparticles. [ 4 ] In 2021 this technique has been used to observe a predicted state called "electron–phonon fluid", [ 5 ] [ 6 ] a similar particle-quasiparticle state already ...
Benjamin Libet's experiment on free will shows that a readiness potential appears before the notion of doing the task enters conscious experience, sparking debate about the illusory nature of free will yet again. (1983) Vilayanur S. Ramachandran's experiment on phantom limbs with the Mirror Box throw light on the nature of 'learned paralysis ...