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Maximum scintillation yields in NaI(Tl) and CsI(Tl) crystals estimated from the scintillation model for liquid rare gases |
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| Authors: | Tadayoshi Doke Shinzo Kubota |
| Affiliation: | a Research Institute for Science and Engineering, Waseda University, Kikuicho-17, Shinjuku-ku, Tokyo 162-0044, Japan b School of Social and Health Services, Saitama Prefectural University, Sannomiya 820, Koshigaya-shi, Saitama 343-8540, Japan c Department of Physics, Rikkyo University, Nishi-Ikebukuro 3, Toshima-ku, Tokyo 171-0021, Japan d School of Medicine, Keio University, Hiyoshi 4-1-1, Kouhoku-ku, Yokohama-shi, Kanagawa 223-8521, Japan |
| Abstract: | The maximum scintillation yields in NaI(Tl) and CsI(Tl) crystals were estimated theoretically by applying the scintillation model for liquid rare gases to crystal scintillators. Average energies required to produce one scintillation photon in the maximum scintillation yield, Wso, were estimated to be 10.6 ± 0.3 or 11.6 ± 0.3 eV for NaI(Tl) and 11.6 ± 0.3 or 12.5 ± 0.3 eV for CsI(Tl). The new experiment on scintillation yields gives Wso of 10.8 ± 2.0 eV for NaI(Tl) and 11.3 ± 2.1 or 9.3 ± 1.7 eV for CsI(Tl). The values show good agreement with the theoretical estimations. These results demonstrate that the scintillation model in liquid rare gases is applicable to inorganic scintillators such as NaI(Tl) and CsI(Tl) crystals. |
| Keywords: | LET Scintillation NaI(Tl) CsI(Tl) Liquid rare gas |
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