Chinese Physics C > 1980, Vol. 4 > Issue(3): 356-367

A NEW WAY FOR SENSITIZING CELLULOSE ACETATE SOLID STATE TRACK DETECTOR

Zhu Run-sheng

Institute of High Energy Physics, Academia Sinica

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Abstract：
It is well known that cellulose acetate SSNTD can be sensitized by adding oxi-dizing agents in etching solutions, but the effect is not very strong. In search of moreeffective methods, we have put forward the hypothesis of the possibility of catalyticoxidation sensitization, in the light of which we found that copper salt can catalizehypochlorite oxidation sensitization. Then we have established the optimum etchingconditions that can significantly enhance the sensitivity of the specially selected cel-lulose acetate detector material, thus enabling it to record aparticles more than 9.5MeV and protons up to 750-800 ar a little higher KeV in energy that is to say, itssensitivity is higher than any cellulose acetate plastic SSNTD yet known.

References

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阪上正信,化学の领域24(1970),124,207.[2] Lück H. B., Nucl. Instr. and Meth., 114(1971). 139.[3] Lück H. B., Nucl. Instr. and Meth., 116(1974). 613.[4] Somogyi G., Várnagy M.and Pet G., Nucl. Instr. and Meth, 59(1968), 299.[5] Varnagy M., Csikai J., Szegedi S. and Nagy S..Nucl. Instr. and Meth., 89(1970), 27.[6] Enge W. Grabisch K., Beaujean R. and Bartholom K. P.,Nucl. Instr. amd Meth., 115(1974), 263.[7] khan H. A, and Durrani 8. A.,Nucl. Inabr. and Meth., 114(1974), 291[8] Benton E. V. and Collver M. M., Health .Physics, 13(1967), 495,[9] "Oxidation in Organic Chemietry" New York Academic Press, pt. B. ed. by W. S. Trahamovsky, (1973).[10] 中国科学院数学研究所统计组编《常用数理统计方法》,科学出版社,1974年.[11] Price P. B, and Fleiachev R. L., Ann. Reu. of Nucl. Sci,, Vol. 21(1971), 295.

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Zhu Run-sheng. A NEW WAY FOR SENSITIZING CELLULOSE ACETATE SOLID STATE TRACK DETECTOR[J]. Chinese Physics C, 1980, 4(3): 356-367.

Zhu Run-sheng. A NEW WAY FOR SENSITIZING CELLULOSE ACETATE SOLID STATE TRACK DETECTOR[J]. Chinese Physics C, 1980, 4(3): 356-367. shu

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Received: 1978-05-08
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

A NEW WAY FOR SENSITIZING CELLULOSE ACETATE SOLID STATE TRACK DETECTOR

Zhu Run-sheng

Institute of High Energy Physics, Academia Sinica

Received Date:1978-05-08
Accepted Date:1900-01-01
Available Online:1980-06-05

Abstract:It is well known that cellulose acetate SSNTD can be sensitized by adding oxi-dizing agents in etching solutions, but the effect is not very strong. In search of moreeffective methods, we have put forward the hypothesis of the possibility of catalyticoxidation sensitization, in the light of which we found that copper salt can catalizehypochlorite oxidation sensitization. Then we have established the optimum etchingconditions that can significantly enhance the sensitivity of the specially selected cel-lulose acetate detector material, thus enabling it to recordaparticles more than 9.5MeV and protons up to 750-800 ar a little higher KeV in energy that is to say, itssensitivity is higher than any cellulose acetate plastic SSNTD yet known.