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CR-39 PLASTIC NUCLEAR TRACK DETECTOR [1 record]
Record 1 - internal organization data 2002-06-17
Record 1, English
Record 1, Subject field(s)
- Nuclear Physics
Record 1, Main entry term, English
- CR-39 plastic nuclear track detector
1, record 1, English, CR%2D39%20plastic%20nuclear%20track%20detector
correct
Record 1, Abbreviations, English
- PNTD 1, record 1, English, PNTD
correct
Record 1, Synonyms, English
- plastic nuclear track detector CR-39 2, record 1, English, plastic%20nuclear%20track%20detector%20CR%2D39
- CR-39 PNTD 1, record 1, English, CR%2D39%20PNTD
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
CR-39 plastic nuclear track detectors (PNTDs) are made of polymers that are sensitive to charged particles of linear energy transfer (LET) greater than or equal to 5 keV/ micrometer. CR-39 PNTDs are usually made up of thin (approximately 0.6 mm) sheets which are assembled in multi-layer stacks exposed in three mutually-orthogonal orientations. Charged particles that pass through the CR-39 PNTD with enough LET break the molecular bonds of the polymer and form a pathway known as the "latent damage trail." As the amount of radiation the CR-39 PNTD is exposed to increases, so does the number of latent damage trails. 1, record 1, English, - CR%2D39%20plastic%20nuclear%20track%20detector
Record 1, French
Record 1, Domaine(s)
- Physique nucléaire
Record 1, Main entry term, French
- détecteur solide de traces nucléaires
1, record 1, French, d%C3%A9tecteur%20solide%20de%20traces%20nucl%C3%A9aires
correct, masculine noun
Record 1, Abbreviations, French
- DSTN 1, record 1, French, DSTN
correct, masculine noun
Record 1, Synonyms, French
- détecteur CR-39 2, record 1, French, d%C3%A9tecteur%20CR%2D39
masculine noun
- traceur de particules CR-39 3, record 1, French, traceur%20de%20particules%20CR%2D39
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Les détecteurs solides de traces nucléaires. Principe : L'exposition d'un diélectrique (dans notre cas le polycarbonate d'allyl diglycol CR-39 à des particules chargées dans un environnement radiatif conduit à une dégradation microscopique axiale du matériau le long de la trajectoire des projectiles. Ces dégâts sont alors appelés traces latentes. Celles-ci pour être observables doivent être agrandies en vue de leur exploitation sous un microscope optique. Pour cela, on réalise une attaque chimique par une solution basique concentrée et chaude : le développement. L'exploitation optimale de l'information contenue dans ces traces révélées consiste à remonter à l'énergie du projectile qui a créé la trace, et éventuellement à la nature du noyau émetteur et à son lieu d'émission. 1, record 1, French, - d%C3%A9tecteur%20solide%20de%20traces%20nucl%C3%A9aires
Record 1, Spanish
Record 1, Textual support, Spanish
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