Large, thin solid hydrogen target using para-H sub(2)

We have developed a large, thin solid hydrogen target (SHT) that is 30 mm in diameter and 1 mm thick for elastic scattering of protons from unstable nuclei. By using para-H sub(2) that has a high thermal conductivity at low temperatures, we could prevent sublimation at the target center due to radia...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2011-07, Vol.643 (1), p.6-10
Main Authors: Matsuda, Y, Sakaguchi, H, Zenihiro, J, Ishimoto, S, Suzuki, S, Otsu, H, Ohnishi, T, Takeda, H, Ozeki, K, Tanaka, K, Terashima, S, Maeda, Y, Kobayashi, T, Koreeda, A, Kamei, K
Format: Article
Language:English
Subjects:
Accelerators
Detectors
Elastic scattering
Heat transfer
Scattering
Spectrometers
Sublimation
Thermal conductivity
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Summary:We have developed a large, thin solid hydrogen target (SHT) that is 30 mm in diameter and 1 mm thick for elastic scattering of protons from unstable nuclei. By using para-H sub(2) that has a high thermal conductivity at low temperatures, we could prevent sublimation at the target center due to radiation from the higher temperature surroundings. The uniform SHT was used during long-term scattering experiments and it maintained its shape and thickness.
ISSN:0168-9002
DOI:10.1016/j.nima.2011.04.017