Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 711, Issue -, Pages 1-7Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2013.01.052
Keywords
Nuclear emulsion; Deformation; Photomask
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Funding
- Promotion and Mutual Aid Corporation for Private Schools of Japan
- Futaba Electronics Memorial Foundation
- Grants-in-Aid for Scientific Research [22550177, 23540347] Funding Source: KAKEN
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A new method to correct the emulsion deformation, mainly produced in the development process, is developed to recover the high accuracy of nuclear emulsion as a tracking device. The method is based on a precise photomask and a careful treatment of the emulsion films. A position measurement accuracy of 0.6 mu m is obtained over an area of 5 cm x 7 cm. The method allows to measure positions of track segments with submicron accuracy in an ECC brick with as few as 10 reference tracks for alignment. Such a performance can be important for hybrid emulsion experiments at underground laboratories where only a small number of reference tracks for alignment are available. (c) 2013 Elsevier B.V. All rights reserved.
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