Test of a polarized hydrogen gas target based on the storage cell technique

M. Düren; Z. Moroz; M. Veltri; Kirsten Zapfe; H. Mairon; M. Metzger; B. Povh; K. Rith; E. Steffens; F. Stock; D. Toporkov; F. Zetsche; T. A. Shibata; D. Fick; W. Korsch; G. Graw; W. Haeberli; G. T. Garvey

doi:10.1016/0168-9002(92)90352-5

Test of a polarized hydrogen gas target based on the storage cell technique

M. Düren, Z. Moroz, M. Veltri, Kirsten Zapfe, H. Mairon, M. Metzger, B. Povh, K. Rith, E. Steffens, F. Stock, D. Toporkov, F. Zetsche, T. A. Shibata, D. Fick, W. Korsch, G. Graw, W. Haeberli, G. T. Garvey

Physics And Astronomy

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Abstract

A polarized hydrogen gas target for use in storage rings has been developed. One application may be the production of a stored polarized antiproton beam via spin dependent attenuation which would allow a study of the spin-dependence of antiproton-proton interactions. In order to increase the target thickness compared to jet targets the polarized hydrogen atoms are injected into a T-shaped storage cell. Polarization and density of the target have been measured in a test experiment by elastic scattering of an α-beam from the Heidelberg MP-tandem accelerator. The target polarization amounts to 83±8% of the maximum possible value. The target areal density of n = (2.6±0.1±0.2) × 10¹³H/cm² is consistent with the density calculated from the measured H beam intensity.

Original language	English
Pages (from-to)	13-19
Number of pages	7
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	322
Issue number	1
DOIs	https://doi.org/10.1016/0168-9002(92)90352-5
State	Published - Oct 15 1992

Bibliographical note

Funding Information:
We wish to thank Ch . Bi1scher, W. Brilckner, F . Neunreither, F . Rathmann, A . Steinmetz and W. Wan- der for their help during the course ofthese measure- ments . Thanks are due to the accelerator group, in particular E . Jaeschke and R . Repnow, for their skilful efforts and support . The present work was supported by the Bundesministerium fiir Forschung and Tech- nologie, Bonn, Germany under contract No . 06 MR 133 1, TPI and 06 ML 171/3 and by travel grant No. 880386 of the North Atlantic Treaty Organization. One of us (Z.M .) was supported by the Office for International Relations, Karlsruhe, Germany . One of us (W .H .) would like to thank the Alexander von Humboldt Stiftung for their support .

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/0168-9002(92)90352-5

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Düren, M., Moroz, Z., Veltri, M., Zapfe, K., Mairon, H., Metzger, M., Povh, B., Rith, K., Steffens, E., Stock, F., Toporkov, D., Zetsche, F., Shibata, T. A., Fick, D., Korsch, W., Graw, G., Haeberli, W., & Garvey, G. T. (1992). Test of a polarized hydrogen gas target based on the storage cell technique. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 322(1), 13-19. https://doi.org/10.1016/0168-9002(92)90352-5

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title = "Test of a polarized hydrogen gas target based on the storage cell technique",

abstract = "A polarized hydrogen gas target for use in storage rings has been developed. One application may be the production of a stored polarized antiproton beam via spin dependent attenuation which would allow a study of the spin-dependence of antiproton-proton interactions. In order to increase the target thickness compared to jet targets the polarized hydrogen atoms are injected into a T-shaped storage cell. Polarization and density of the target have been measured in a test experiment by elastic scattering of an α-beam from the Heidelberg MP-tandem accelerator. The target polarization amounts to 83±8% of the maximum possible value. The target areal density of n = (2.6±0.1±0.2) × 1013H/cm2 is consistent with the density calculated from the measured H beam intensity.",

author = "M. D{\"u}ren and Z. Moroz and M. Veltri and Kirsten Zapfe and H. Mairon and M. Metzger and B. Povh and K. Rith and E. Steffens and F. Stock and D. Toporkov and F. Zetsche and Shibata, {T. A.} and D. Fick and W. Korsch and G. Graw and W. Haeberli and Garvey, {G. T.}",

note = "Funding Information: We wish to thank Ch . Bi1scher, W. Brilckner, F . Neunreither, F . Rathmann, A . Steinmetz and W. Wan- der for their help during the course ofthese measure- ments . Thanks are due to the accelerator group, in particular E . Jaeschke and R . Repnow, for their skilful efforts and support . The present work was supported by the Bundesministerium fiir Forschung and Tech- nologie, Bonn, Germany under contract No . 06 MR 133 1, TPI and 06 ML 171/3 and by travel grant No. 880386 of the North Atlantic Treaty Organization. One of us (Z.M .) was supported by the Office for International Relations, Karlsruhe, Germany . One of us (W .H .) would like to thank the Alexander von Humboldt Stiftung for their support .",

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Düren, M, Moroz, Z, Veltri, M, Zapfe, K, Mairon, H, Metzger, M, Povh, B, Rith, K, Steffens, E, Stock, F, Toporkov, D, Zetsche, F, Shibata, TA, Fick, D, Korsch, W, Graw, G, Haeberli, W & Garvey, GT 1992, 'Test of a polarized hydrogen gas target based on the storage cell technique', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 322, no. 1, pp. 13-19. https://doi.org/10.1016/0168-9002(92)90352-5

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AU - Düren, M.

AU - Moroz, Z.

AU - Veltri, M.

AU - Zapfe, Kirsten

AU - Mairon, H.

AU - Metzger, M.

AU - Povh, B.

AU - Rith, K.

AU - Steffens, E.

AU - Stock, F.

AU - Toporkov, D.

AU - Zetsche, F.

AU - Shibata, T. A.

AU - Fick, D.

AU - Korsch, W.

AU - Graw, G.

AU - Haeberli, W.

AU - Garvey, G. T.

N1 - Funding Information: We wish to thank Ch . Bi1scher, W. Brilckner, F . Neunreither, F . Rathmann, A . Steinmetz and W. Wan- der for their help during the course ofthese measure- ments . Thanks are due to the accelerator group, in particular E . Jaeschke and R . Repnow, for their skilful efforts and support . The present work was supported by the Bundesministerium fiir Forschung and Tech- nologie, Bonn, Germany under contract No . 06 MR 133 1, TPI and 06 ML 171/3 and by travel grant No. 880386 of the North Atlantic Treaty Organization. One of us (Z.M .) was supported by the Office for International Relations, Karlsruhe, Germany . One of us (W .H .) would like to thank the Alexander von Humboldt Stiftung for their support .

PY - 1992/10/15

Y1 - 1992/10/15

N2 - A polarized hydrogen gas target for use in storage rings has been developed. One application may be the production of a stored polarized antiproton beam via spin dependent attenuation which would allow a study of the spin-dependence of antiproton-proton interactions. In order to increase the target thickness compared to jet targets the polarized hydrogen atoms are injected into a T-shaped storage cell. Polarization and density of the target have been measured in a test experiment by elastic scattering of an α-beam from the Heidelberg MP-tandem accelerator. The target polarization amounts to 83±8% of the maximum possible value. The target areal density of n = (2.6±0.1±0.2) × 1013H/cm2 is consistent with the density calculated from the measured H beam intensity.

AB - A polarized hydrogen gas target for use in storage rings has been developed. One application may be the production of a stored polarized antiproton beam via spin dependent attenuation which would allow a study of the spin-dependence of antiproton-proton interactions. In order to increase the target thickness compared to jet targets the polarized hydrogen atoms are injected into a T-shaped storage cell. Polarization and density of the target have been measured in a test experiment by elastic scattering of an α-beam from the Heidelberg MP-tandem accelerator. The target polarization amounts to 83±8% of the maximum possible value. The target areal density of n = (2.6±0.1±0.2) × 1013H/cm2 is consistent with the density calculated from the measured H beam intensity.

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ER -

Test of a polarized hydrogen gas target based on the storage cell technique

Abstract

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