MeSH definition : Discrete concentrations of energy, apparently massless elementary particles, that
move at the speed of light. They are the unit or quantum of electromagnetic radiation.
Photons are emitted when electrons move from one energy state to another. (From Hawley's
Condensed Chemical Dictionary, 11th ed);
Wikipedia automatic translation : Photon;
MeSH annotation : elementary particles; IM;
Wikipedia link : https://en.wikipedia.org/wiki/Photon;
Discrete concentrations of energy, apparently massless elementary particles, that
move at the speed of light. They are the unit or quantum of electromagnetic radiation.
Photons are emitted when electrons move from one energy state to another. (From Hawley's
Condensed Chemical Dictionary, 11th ed)
https://www.cochrane.org/fr/CD013224/GYNAECA_radiotherapie-par-protons-par-rapport-la-radiotherapie-conventionnelle-cest-dire-par-photons-dans-le 2021 United Kingdom review of literature review of literature french abstract french abstract protons protons research report research report Chordoma Chordoma chordoma chordoma chordoma chordoma albumin/globulin ratio albumin/globulin ratio proton proton radiotherapy radiotherapy radiation therapy, nos radiation therapy, nos photons photons
Allowable qualifiers