Characteristic curves of photographic material used in emulsion chambers

I. Ohta; K. Mizutani; K. Kasahara; T. Kobayashi; E. Mikumo; I. Mito; A. Ohsawa; K. Sato; Shoji Torii; M. Tsujikawa; S. Uchida; T. Yuda; Y. Takahashi

doi:10.1016/0029-554X(79)90359-8

Characteristic curves of photographic material used in emulsion chambers

I. Ohta, K. Mizutani, K. Kasahara, T. Kobayashi, E. Mikumo, I. Mito, A. Ohsawa, K. Sato, Shoji Torii, M. Tsujikawa, S. Uchida, T. Yuda, Y. Takahashi

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Abstract

In order to provide a reliable basis for the photometric method in emulsion chamber experiments, investigations were made on the characteristic curves of X-ray film such as SAKURA type-N and type-RR used in emulsion chambers. Characteristics curves were obtained over a wide density region by irradiating with an electron beam from an electron synchrotron. Comparison of the observed data to theoretical predictions of the one hit model shows a significant difference at high density. A modification of the one hit model is proposed taking into account the size-frequency of sensitive grains in the emulsion and the development effect on the optical density. The curves based on the size-frequency of grains are in agreement with experiment.

Original language	English
Pages (from-to)	35-43
Number of pages	9
Journal	Nuclear Instruments and Methods
Volume	161
Issue number	1
DOIs	https://doi.org/10.1016/0029-554X(79)90359-8
Publication status	Published - 1979 Apr 15
Externally published	Yes

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ASJC Scopus subject areas

Engineering(all)

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Ohta, I., Mizutani, K., Kasahara, K., Kobayashi, T., Mikumo, E., Mito, I., Ohsawa, A., Sato, K., Torii, S., Tsujikawa, M., Uchida, S., Yuda, T., & Takahashi, Y. (1979). Characteristic curves of photographic material used in emulsion chambers. Nuclear Instruments and Methods, 161(1), 35-43. https://doi.org/10.1016/0029-554X(79)90359-8

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abstract = "In order to provide a reliable basis for the photometric method in emulsion chamber experiments, investigations were made on the characteristic curves of X-ray film such as SAKURA type-N and type-RR used in emulsion chambers. Characteristics curves were obtained over a wide density region by irradiating with an electron beam from an electron synchrotron. Comparison of the observed data to theoretical predictions of the one hit model shows a significant difference at high density. A modification of the one hit model is proposed taking into account the size-frequency of sensitive grains in the emulsion and the development effect on the optical density. The curves based on the size-frequency of grains are in agreement with experiment.",

author = "I. Ohta and K. Mizutani and K. Kasahara and T. Kobayashi and E. Mikumo and I. Mito and A. Ohsawa and K. Sato and Shoji Torii and M. Tsujikawa and S. Uchida and T. Yuda and Y. Takahashi",

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AU - Ohta, I.

AU - Mizutani, K.

AU - Kasahara, K.

AU - Kobayashi, T.

AU - Mikumo, E.

AU - Mito, I.

AU - Ohsawa, A.

AU - Sato, K.

AU - Torii, Shoji

AU - Tsujikawa, M.

AU - Uchida, S.

AU - Yuda, T.

AU - Takahashi, Y.

PY - 1979/4/15

Y1 - 1979/4/15

N2 - In order to provide a reliable basis for the photometric method in emulsion chamber experiments, investigations were made on the characteristic curves of X-ray film such as SAKURA type-N and type-RR used in emulsion chambers. Characteristics curves were obtained over a wide density region by irradiating with an electron beam from an electron synchrotron. Comparison of the observed data to theoretical predictions of the one hit model shows a significant difference at high density. A modification of the one hit model is proposed taking into account the size-frequency of sensitive grains in the emulsion and the development effect on the optical density. The curves based on the size-frequency of grains are in agreement with experiment.

AB - In order to provide a reliable basis for the photometric method in emulsion chamber experiments, investigations were made on the characteristic curves of X-ray film such as SAKURA type-N and type-RR used in emulsion chambers. Characteristics curves were obtained over a wide density region by irradiating with an electron beam from an electron synchrotron. Comparison of the observed data to theoretical predictions of the one hit model shows a significant difference at high density. A modification of the one hit model is proposed taking into account the size-frequency of sensitive grains in the emulsion and the development effect on the optical density. The curves based on the size-frequency of grains are in agreement with experiment.

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10.1016/0029-554X(79)90359-8