Bulk growth of unidirectional 1, 3, 5-Triphenylbenzene (TPB) single crystal for fast neutron detection by time of flight technique

The organic scintillator crystal 1,3,5-Triphenylbenzene (TPB) is a promising material for high-energy particle detection applications. The bulk size of unidirectional ( plane) TPB cylindrical crystal was grown by the unidirectional growth technique and their optical properties were analyzed to coupl...

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Bibliographic Details
Published in:Physics open 2023-12, Vol.17, p.100170, Article 100170
Main Authors: Durairaj, N., Kalainathan, S., Moorthy Babu, S.
Format: Article
Language:English
Subjects:
1,3,5-Triphenylbenzene
Fast neutron detector
Neutron-gamma discrimination
Organic scintillators
Time of flight (TOF) technique
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Summary:The organic scintillator crystal 1,3,5-Triphenylbenzene (TPB) is a promising material for high-energy particle detection applications. The bulk size of unidirectional ( plane) TPB cylindrical crystal was grown by the unidirectional growth technique and their optical properties were analyzed to couple with a photomultiplier tube for detector device fabrications. The gamma retorts of the grown cylindrical crystal were tested with varying gamma energy sources ranging from 356 to 1275 keV. The Time of flight (TOF) experimental setup was constructed with a grown TPB crystal and Neutron-Gamma discrimination was demonstrated with a 252Cf fission source. The developed TPB crystal exhibits strong timing characteristics operates consistently and offers a great capability for discrimination over gamma radiations.
ISSN:2666-0326
2666-0326
DOI:10.1016/j.physo.2023.100170