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On the improvement of detection characteristics of trans-stilbene crystals by improving crystal perfection |
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| Authors: | Arjunan Arulchakkaravarthi Rakesh Kumar Parthasarathy Santhanaraghavan Sivaramakrishnan Muralithar Rengasamy Gopalakrishanan Perumalsamy Ramasamy |
| Affiliation: | (1) Crystal Growth Centre, Anna University, Chennai-25, India,;(2) Nuclear Science Centre, ArunaAsaf Ali Marg, New Delhi, 110, 067, India,;(3) Dept. Of Electrical Engineering, National Tsing Hua University, Hsinchu, Taiwan,;(4) Department of Physics, Anna University, Chennai-25, India, |
| Abstract: | Organic molecular scintillating crystals are noted for their good timing and particle discrimination process. Trans-stilbene is one such candidate noted for its good particle detection characteristics for the past five decades. Progressive strengthening of detection characteristics of trans-stilbene has been attempted by improving crystal perfection. A series of timing resolution studies have been carried out for the Bridgman grown trans-stilbene crystals under different experimental conditions. The results were compared with the previously reported values. Pulse shape discrimination process has been carried out for 241Am and 252Cf sources and good discrimination has been obtained for gamma-alpha and gamma-neutron sources from the grown organic phosphor crystal. Electronic Publication |
| Keywords: | Trans-stilbene Crystal growth 241Am 252Cf Pulse shape discrimination Time resolution |
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