IONIZATION INCREASE IN MINIATURIZED IMS CELL USING A THIN LAYER ON AM-241 IONIZATION SOURCE

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SALEH KOUTAHI M.; PAYERVAND F.; TAVASOLI ALI REZA

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Journal: JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY Year:2005 | Volume:- | Issue:2 (34) Page(s): 7-13

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Title

IONIZATION INCREASE IN MINIATURIZED IMS CELL USING A THIN LAYER ON AM-241 IONIZATION SOURCE

Author(s)

SALEH KOUTAHI M. | PAYERVAND F. | TAVASOLI ALI REZA | Issue Writer Certificate

Keywords

ION MOBILITY SPECTROMETER INSTRUMENTQ4

AM-241 IONIZATION SOURCEQ4

ALPHA PARTICLESQ4

STOPPING POWERQ4

MYLARQ4

IONIZATION CHAMBERSQ4

Abstract

One of the important goals in chemical agent detection is to construct an instrument with a fast response, to be handled easily, and to be used in various operational conditions. In this paper, based on the phenomenon of "increasing the specific ALPHA PARTICLES ionization rate by decreasing the particles energy" a suggestion has been made for reducing the size of the ionization chamber of an IMS detection system, where a thin layer was placed on the surface of Am-241 ionizing source for decreasing the emitted ALPHA PARTICLES energy. With this method, to some extent, the rate of ionization." loss has been compensated. The effect of layer over the Am-241 source on the ionization rate has been predicted theoretically, as well. For the other two sources with the initial coated layers, a calculation has been performed with the use of the related energy distribution; and the effect of a layer, of the MYLAR type, on the ionization rate has also been investigated. The results of both cases have shown that the layer will cause to increase the ionization rate in the ionization chamber, where it subsequently increases the' capability of the instrument, and the system resolution power for detecting various chemical agents.

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APA: Copy

SALEH KOUTAHI, M., PAYERVAND, F., & TAVASOLI, ALI REZA. (2005). IONIZATION INCREASE IN MINIATURIZED IMS CELL USING A THIN LAYER ON AM-241 IONIZATION SOURCE. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, -(2 (34)), 7-13. SID. https://sid.ir/paper/97741/en

Vancouver: Copy

SALEH KOUTAHI M., PAYERVAND F., TAVASOLI ALI REZA. IONIZATION INCREASE IN MINIATURIZED IMS CELL USING A THIN LAYER ON AM-241 IONIZATION SOURCE. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY[Internet]. 2005;-(2 (34)):7-13. Available from: https://sid.ir/paper/97741/en

IEEE: Copy

M. SALEH KOUTAHI, F. PAYERVAND, and ALI REZA TAVASOLI, “IONIZATION INCREASE IN MINIATURIZED IMS CELL USING A THIN LAYER ON AM-241 IONIZATION SOURCE,” JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, vol. -, no. 2 (34), pp. 7–13, 2005, [Online]. Available: https://sid.ir/paper/97741/en

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