Production and decay of photons
Numéro d’image : 11518298
| Production and decay of photons in the L3 detector at CERN,the particle physics laboratory outside Geneva. In this computer display,the detector is represented schematically in white. An electron & positron,accelerated to high energy in CERN's LEP collider,have entered unseen from left and right along the beam pipe that runs through the detector & annihilated at centre. Their energy materialises in the form of a new electron & positron (blue tracks & 'towers') and 3 photons. Being neutral,the photons leave no track,but are detected when they deposit energy (red towers) in L3's electro- magnetic calorimeter. The photon is the carrier particle of the electromagnetic force | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Cern |
| Taille de l’image : | 3100 px × 3500 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : |
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