Streamer chamber photo of tritium nucleus
Numéro d’image : 11518138
| False-colour streamer chamber photo of a tritium nucleus produced at the Low Energy Antiproton Ring (LEAR) at CERN,the European particle physics laboratory outside Geneva. An antiproton enters at the bottom of the picture & annihilates with a proton in the helium-filled chamber to produce the tritium nucleus & 2 pions. The nucleus of tritium,or "heavy hydrogen",has 1 proton & 2 neutrons; it produces the thick curving track at centre right. The pions,one negative,one positive,produce the less dense tracks that shoot off towards top right & top left. Reactions of this kind occurred in the early Universe,when lightweight nuclei such as helium were beginning to form | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / PROF. G PIRAGINO |
| Taille de l’image : | 4117 px × 3870 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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