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  2. Mikheyev–Smirnov–Wolfenstein effect - Wikipedia

    en.wikipedia.org/wiki/Mikheyev–Smirnov...

    In the case of normal neutrino mass hierarchy, and ,, transitions occurred inside the star, then and oscillated inside the Earth. Due to the differences in the distance traveled by neutrinos to Kamiokande, IMB and Baksan within the Earth, the MSW effect can partially explain the difference of the Kamiokande and IMB energy spectrum of events.

  3. Compton scattering - Wikipedia

    en.wikipedia.org/wiki/Compton_scattering

    Thus, if we are to explain low-intensity Compton scattering, light must behave as if it consists of particles. Or the assumption that the electron can be treated as free is invalid resulting in the effectively infinite electron mass equal to the nuclear mass (see e.g. the comment below on elastic scattering of X-rays being from that effect).

  4. Momentum transfer - Wikipedia

    en.wikipedia.org/wiki/Momentum_transfer

    The momentum transfer plays an important role in the evaluation of neutron, X-ray, and electron diffraction for the investigation of condensed matter. Laue-Bragg diffraction occurs on the atomic crystal lattice, conserves the wave energy and thus is called elastic scattering, where the wave numbers final and incident particles, and , respectively, are equal and just the direction changes by a ...

  5. Theta wave - Wikipedia

    en.wikipedia.org/wiki/Theta_wave

    Theta waves generate the theta rhythm, a neural oscillation in the brain that underlies various aspects of cognition and behavior, including learning, memory, and spatial navigation in many animals. [ 1 ] [ 2 ] It can be recorded using various electrophysiological methods, such as electroencephalogram (EEG), recorded either from inside the ...

  6. Laue equations - Wikipedia

    en.wikipedia.org/wiki/Laue_equations

    We can think these scalar waves as components of vector waves along a certain axis (x, y, or z axis) of the Cartesian coordinate system. The incident and diffracted waves propagate through space independently, except at points of the lattice L {\displaystyle L} of the crystal, where they resonate with the oscillators, so the phases of these ...

  7. Lense–Thirring precession - Wikipedia

    en.wikipedia.org/wiki/Lense–Thirring_precession

    The difference between de Sitter precession and the Lense–Thirring effect is that the de Sitter effect is due simply to the presence of a central mass, whereas the Lense–Thirring effect is due to the rotation of the central mass. The total precession is calculated by combining the de Sitter precession with the Lense–Thirring precession.

  8. Bragg's law - Wikipedia

    en.wikipedia.org/wiki/Bragg's_law

    Bragg diffraction (also referred to as the Bragg formulation of X-ray diffraction) was first proposed by Lawrence Bragg and his father, William Henry Bragg, in 1913 [1] after their discovery that crystalline solids produced surprising patterns of reflected X-rays (in contrast to those produced with, for instance, a liquid).

  9. Born approximation - Wikipedia

    en.wikipedia.org/wiki/Born_approximation

    In the distorted-wave Born approximation (DWBA), the incident waves are solutions | to a part of the problem = + that is treated by some other method, either analytical or numerical. The interaction of interest V {\displaystyle V} is treated as a perturbation V 2 {\displaystyle V^{2}} to some system V 1 {\displaystyle V^{1}} that can be solved ...