We implemented a didactic experiment to study the angular correlation between the two gamma rays emitted in typical 60Co radioactive decays. We used two NaI(Tl) scintillators, already available in our laboratory, and a low-activity 60Co source. The detectors were mounted on two rails, with the source at their center. The first rail was fixed, while the second could be rotated around the source. We performed several measurements by changing the angle between the two scintillators in the range from 90° to 180°. Dedicated background runs were also performed, removing the source from the experimental setup. We found that the signal rate increases with the angular separation between the two scintillators, with small discrepancies from the theoretical expectations
Measurement of the angular correlation between the two gamma rays emitted in the radioactive decays of a 60Co source with two NaI(Tl) scintillators / Amato, E.C., Anelli, A., Barbieri, M., Cataldi, D., Cellamare, V., Cerasole, D., Conserva, F., De Gaetano, S., Depalo, D., Digennaro, A., Fiorente, E., Gargano, F., Gatti, D., Loizzo, P., Loparco, F., Mele, O., Nicassio, N., Perfetto, G., Pillera, R., Pirlo, R., et al.. - In: EUROPEAN JOURNAL OF PHYSICS. - ISSN 0143-0807. - 43:5(2022). [10.1088/1361-6404/ac78a3]
Measurement of the angular correlation between the two gamma rays emitted in the radioactive decays of a 60Co source with two NaI(Tl) scintillators
E. C. Amato;A. Anelli;M. Barbieri;D. Depalo;F. Gargano;F. Loparco;O. Mele;N. Nicassio;R. Pillera;R. Pirlo;D. Troiano
2022
Abstract
We implemented a didactic experiment to study the angular correlation between the two gamma rays emitted in typical 60Co radioactive decays. We used two NaI(Tl) scintillators, already available in our laboratory, and a low-activity 60Co source. The detectors were mounted on two rails, with the source at their center. The first rail was fixed, while the second could be rotated around the source. We performed several measurements by changing the angle between the two scintillators in the range from 90° to 180°. Dedicated background runs were also performed, removing the source from the experimental setup. We found that the signal rate increases with the angular separation between the two scintillators, with small discrepancies from the theoretical expectationsI documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
