Sentences with phrase «scattered by the atom»

Let us think of an electron microscope giving the situation of a target T with an atom A in the target with an electron coming in and being scattered by the atom.

In space, the cosmic microwave background was scattered by atoms and electrons and became polarized too.

Not exact matches

This collective light scattering is caused by the coherent center - of - mass motion of the atoms in the condensate.

The ANU team not only succeeded in building the experiment, which seemed nearly impossible when it was proposed in 1978, but reversed Wheeler's original concept of light beams being bounced by mirrors, and instead used atoms scattered by laser light.

Therefore, by measuring the atoms» neutron scattering signals, the team was able to discern the movement of tRNA in water, providing valuable insight into how the large molecule relaxes in different environmental conditions.

By solving the equation, the authors have successfully transformed the problem into a much simpler equation, which accounts for the scattering effect of light on the captive atoms.

By heating the crystal and changing the arrangement of its atoms, they could control the amount of light scattering within the laser and hence the color of emitted light.

When a sample is excited by a laser pulse, most of the photons are scattered elastically, i.e., at the same frequency as the incident photons, by the molecules or atoms in the material.

Graham Farmelo: Well so John Cockcroft, one of the two guys who first artificially split the atom took him to this neutron scattering experiment and Churchill was being briefed by Cockcroft and others.

Hydrogen atoms scatter solar ultraviolet light, and it was this light that was imaged by the IUVS.

The first dramatic demonstration of the scattering force on atoms was made by two separate groups led by Phillips and John L. Hall at the National Bureau of Standards.

They pointed out that if magnetic or electric fields that varied over space were applied to atoms, the scattering force caused by the laser light would not necessarily be proportional to the light intensity.

Like polarized light (which vibrates in one direction and is produced by the scattering of visible light off the surface of the ocean, for example), the polarized «B - mode» microwaves the scientists discovered were produced when CMB radiation from the early universe scattered off electrons 380,000 years after the Big Bang, when the cosmos cooled enough to allow protons and electrons to combine into atoms.

The scattered light waves superimpose and were reflected back onto the atoms by two parallel mirrors.

The white dots making up squares arrayed 45 - degrees to the x / y - axis are selenium (Se) atoms, while the defects — missing Fe atoms in the Fe plane, about a quarter of a nanometer below the Se surface — show up as butterfly - shaped perturbations produced by quantum interference of electrons scattering from the defects.

We found that, different from graphene and ML BN, the phonon — phonon scattering selection rule in 2D GaN is slightly broken by the lowered symmetry due to the large difference in the atomic radius and mass between Ga and N atoms.

The team from PNNL, University of Chicago, and SSRL made their discovery by combining X-ray scattering and spectroscopy experiments to determine the positions of the uranium atoms.