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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

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

ASJC Scopus subject areas

Engineering(all)

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

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Characteristic curves of photographic material used in emulsion chambers. / Ohta, I.; Mizutani, K.; Kasahara, K.; Kobayashi, T.; Mikumo, E.; Mito, I.; Ohsawa, A.; Sato, K.; Torii, Shoji; Tsujikawa, M.; Uchida, S.; Yuda, T.; Takahashi, Y.

In: Nuclear Instruments and Methods, Vol. 161, No. 1, 15.04.1979, p. 35-43.

Research output: Contribution to journal › Article › peer-review

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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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Characteristic curves of photographic material used in emulsion chambers

Abstract

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