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On the improvement of detection characteristics of trans-stilbene crystals by improving crystal perfection

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Materials Research Innovations

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.

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Authors and Affiliations

  1. Crystal Growth Centre, Anna University, Chennai-25, India

    Arjunan Arulchakkaravarthi & Perumalsamy Ramasamy

  2. Nuclear Science Centre, ArunaAsaf Ali Marg, New Delhi, 110, 067, India

    Rakesh Kumar & Sivaramakrishnan Muralithar

  3. Dept. Of Electrical Engineering, National Tsing Hua University, Hsinchu, Taiwan

    Parthasarathy Santhanaraghavan

  4. Department of Physics, Anna University, Chennai-25, India

    Rengasamy Gopalakrishanan

Authors
  1. Arjunan Arulchakkaravarthi
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  2. Rakesh Kumar
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  3. Parthasarathy Santhanaraghavan
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  4. Sivaramakrishnan Muralithar
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  5. Rengasamy Gopalakrishanan
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  6. Perumalsamy Ramasamy
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Correspondence to Perumalsamy Ramasamy.

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Arulchakkaravarthi, A., Kumar, R., Santhanaraghavan, P. et al. On the improvement of detection characteristics of trans-stilbene crystals by improving crystal perfection. Mat Res Innovat 6, 273–276 (2002). https://doi.org/10.1007/s10019-002-0210-6

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  • DOI: https://doi.org/10.1007/s10019-002-0210-6

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