noun
definition
The quantum of light and other electromagnetic energy, regarded as a discrete particle having zero rest mass, no electric charge, and an indefinitely long lifetime. It is a gauge boson.
Examples of photon in a Sentence
If you have the Photon MG, use it because it stops Mantis for a bit.
What causes an excited atom or molecule to emit a photon?
Photon torpedoes - what have explosive coffins got to do with photon torpedoes - what have explosive coffins got to do with photons?
What begins as a single gamma ray photon in the sun's core emerges at the surface as thousands of visible-light photons.
Consider a photon emitted by a galaxy a billion years ago, now caught on a photographic plate on Earth.
I discovered and documented locations for apparent underground transmitters of polarized magnetic photon beams out into space.
This allows to estimate the infrared photon field up to the given redshift of the source.
This is achieved by simulating the photon flux with a pixel array.
Radionuclide imaging including positron emission tomography (PET) and single photon emission tomography.
Photon torpedoes - what have explosive coffins got to do with photons?
These frequency doubled photons are then added to another dye laser photon, effectively tripling their frequency.
Their properties were more like those of the photon, the graviton and the so-called weak gage bosons that carry the weak force.
If input parameter centroid is set to ` yes ', then X and Y are centroids of photon distributions in the detect cell.
Interactive Flash Tutorial Photomultiplier Tubes Discover how photomultipliers work by amplifying the electrons generated by a photocathode exposed to a photon flux.
Rocking curve FWHM indicate a resolution of less than 1 eV at 2450 eV and less than 3 eV at 4000 eV photon energy.
The energy of the photon absorbed by chlorophyll is coupled to electron transport.
At higher photon energies, smaller fragment ions are formed following cleavage of more than one bond.
A new silicon avalanche photodiode photon counting detector module for astronomy.
For example, if the photon energy exceeds the bulk absorption threshold, then bulk excitons and/or electron-hole pairs are produced.
It exploded on the scene like volley of photon torpedoes on May 10, 2009, just two days after the release of Star Trek (2009) in theaters, and today is the busiest Star Trek page on Life Journal.
Positron emission tomography (PET) and single photon emission tomography (SPECT) monitor blood flow and chemical activity in the brain area being tested.
The emergency klaxon or "Red Alert" was also developed during the series creating an automatic process of polarizing the shield plating while also bringing the ships phasers and photon torpedos online.