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14 hours ago · Like all elementary particles, electrons exhibit properties of both particles and waves: They can collide with other particles and can be diffracted like light. The wave properties of electrons are easier to observe with experiments than those of other particles like neutrons and protons because electrons have a lower mass and hence a longer de Broglie wavelength for a given energy.
4 days ago · Quantum theoretical explanation of Planck's law views the radiation as a gas of massless, uncharged, bosonic particles, namely photons, in thermodynamic equilibrium. Photons are viewed as the carriers of the electromagnetic interaction between electrically charged elementary particles. Photon numbers are not conserved.
4 days ago · Elementary particles which are thought of as carrying forces are all bosons with spin 1. They include the photon , which carries the electromagnetic force , the gluon ( strong force ), and the W and Z bosons ( weak force ).
3 days ago · Einstein’s postulates are: (1) All observers, whatever their state of motion relative to a light source, measure the same speed for light; and (2) The laws of physics are the same in all inertial frames.
5 days ago · Twenty years ago, the received view was that everything is made of hydrogen, which is two thirds of water. The Greeks were rash in their hypotheses, but the Milesian school, at least, was prepared to test them empirically. [3] But of course water is just not enough to explain the rich phenomenology of the existent.
3 days ago · Physics, science that deals with the structure of matter and the interactions between the fundamental constituents of the observable universe. Its scope of study encompasses not only the behavior of objects under the action of forces but also gravitational, electromagnetic, and nuclear force fields.
14 hours ago · We derive direct detection constraints on light dark matter charged under a U (1) L μ − L τ symmetry with electron recoil experiments, and explore prospects with XLZD and OSCURA to close in the parameter space able to explain simultaneously the recent measurement on the anomalous magnetic moment of the muon and the observed relic density of dark matter. We further discuss the spin ...
