The FILTEX/HERMES polarized hydrogen atomic beam source

F. Stock; K. Rith; H. G. Gaul; B. Lorentz; H. Mairon; B. Povh; E. Steffens; D. Toporkov; K. Zapfe; F. Rathmann; D. Fick; W. Korsch; G. Graw; K. Reinmüller; P. Schiemenz; W. Haeberli

doi:10.1016/0168-9002(94)90210-0

The FILTEX/HERMES polarized hydrogen atomic beam source

F. Stock, K. Rith, H. G. Gaul, B. Lorentz, H. Mairon, B. Povh, E. Steffens, D. Toporkov, K. Zapfe, F. Rathmann, D. Fick, W. Korsch, G. Graw, K. Reinmüller, P. Schiemenz, W. Haeberli

Physics And Astronomy

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Abstract

The FILTEX/HERMES atomic beam source (ABS) for polarized hydrogen is described. Recent improvements concern mainly the optimization of the beam forming system and a new design of the sextupole magnet system. For a precise measurement (error 5%) of the output flow a calibrated compression tube was installed. The output flow of 0.81×10¹⁷ H atoms per second in two hyperfine substates was constant within 2% in a long-term measurement over 16 h. At the FILTEX test experiment, the target density in the storage cell fed by the ABS was constant within the experimental error of 4% over a period of four months.

Original language	English
Pages (from-to)	334-342
Number of pages	9
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	343
Issue number	2-3
DOIs	https://doi.org/10.1016/0168-9002(94)90210-0
State	Published - Apr 11 1994

Bibliographical note

Funding Information:
For experiments which propose to use polarized internal targets in storage rings, e.g. FILTEX [7,81 or * Corresponding author . * * Supported partly under various contracts by the Bun-desministerium für Forschung and Technologie, Bonn . 1 Permanent address: Institute for Nuclear Physics, 630090 Novisibirsk, Russia . Z Now at DESY, D 22603 Hamburg, Germany. 3 Now at California Institute of Technology, Pasadena, CA 91125, USA.

Funding

For experiments which propose to use polarized internal targets in storage rings, e.g. FILTEX [7,81 or * Corresponding author . * * Supported partly under various contracts by the Bun-desministerium für Forschung and Technologie, Bonn . 1 Permanent address: Institute for Nuclear Physics, 630090 Novisibirsk, Russia . Z Now at DESY, D 22603 Hamburg, Germany. 3 Now at California Institute of Technology, Pasadena, CA 91125, USA.

Funders	Funder number
Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/0168-9002(94)90210-0

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Stock, F., Rith, K., Gaul, H. G., Lorentz, B., Mairon, H., Povh, B., Steffens, E., Toporkov, D., Zapfe, K., Rathmann, F., Fick, D., Korsch, W., Graw, G., Reinmüller, K., Schiemenz, P., & Haeberli, W. (1994). The FILTEX/HERMES polarized hydrogen atomic beam source. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 343(2-3), 334-342. https://doi.org/10.1016/0168-9002(94)90210-0

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abstract = "The FILTEX/HERMES atomic beam source (ABS) for polarized hydrogen is described. Recent improvements concern mainly the optimization of the beam forming system and a new design of the sextupole magnet system. For a precise measurement (error 5\%) of the output flow a calibrated compression tube was installed. The output flow of 0.81×1017 H atoms per second in two hyperfine substates was constant within 2\% in a long-term measurement over 16 h. At the FILTEX test experiment, the target density in the storage cell fed by the ABS was constant within the experimental error of 4\% over a period of four months.",

author = "F. Stock and K. Rith and Gaul, \{H. G.\} and B. Lorentz and H. Mairon and B. Povh and E. Steffens and D. Toporkov and K. Zapfe and F. Rathmann and D. Fick and W. Korsch and G. Graw and K. Reinm{\"u}ller and P. Schiemenz and W. Haeberli",

note = "Funding Information: For experiments which propose to use polarized internal targets in storage rings, e.g. FILTEX [7,81 or * Corresponding author . * * Supported partly under various contracts by the Bun-desministerium f{\"u}r Forschung and Technologie, Bonn . 1 Permanent address: Institute for Nuclear Physics, 630090 Novisibirsk, Russia . Z Now at DESY, D 22603 Hamburg, Germany. 3 Now at California Institute of Technology, Pasadena, CA 91125, USA.",

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Stock, F, Rith, K, Gaul, HG, Lorentz, B, Mairon, H, Povh, B, Steffens, E, Toporkov, D, Zapfe, K, Rathmann, F, Fick, D, Korsch, W, Graw, G, Reinmüller, K, Schiemenz, P & Haeberli, W 1994, 'The FILTEX/HERMES polarized hydrogen atomic beam source', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 343, no. 2-3, pp. 334-342. https://doi.org/10.1016/0168-9002(94)90210-0

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AU - Stock, F.

AU - Rith, K.

AU - Gaul, H. G.

AU - Lorentz, B.

AU - Mairon, H.

AU - Povh, B.

AU - Steffens, E.

AU - Toporkov, D.

AU - Zapfe, K.

AU - Rathmann, F.

AU - Fick, D.

AU - Korsch, W.

AU - Graw, G.

AU - Reinmüller, K.

AU - Schiemenz, P.

AU - Haeberli, W.

N1 - Funding Information: For experiments which propose to use polarized internal targets in storage rings, e.g. FILTEX [7,81 or * Corresponding author . * * Supported partly under various contracts by the Bun-desministerium für Forschung and Technologie, Bonn . 1 Permanent address: Institute for Nuclear Physics, 630090 Novisibirsk, Russia . Z Now at DESY, D 22603 Hamburg, Germany. 3 Now at California Institute of Technology, Pasadena, CA 91125, USA.

PY - 1994/4/11

Y1 - 1994/4/11

N2 - The FILTEX/HERMES atomic beam source (ABS) for polarized hydrogen is described. Recent improvements concern mainly the optimization of the beam forming system and a new design of the sextupole magnet system. For a precise measurement (error 5%) of the output flow a calibrated compression tube was installed. The output flow of 0.81×1017 H atoms per second in two hyperfine substates was constant within 2% in a long-term measurement over 16 h. At the FILTEX test experiment, the target density in the storage cell fed by the ABS was constant within the experimental error of 4% over a period of four months.

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IS - 2-3

ER -

The FILTEX/HERMES polarized hydrogen atomic beam source

Abstract

Bibliographical note

Funding

ASJC Scopus subject areas

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