Abstract
An experiment (NIKHEF 91-12) is described which measures the spin dependence of the (e,e) and (e,e′p) reactions for polarized deuterium and unpolarized electrons, using the Internal Target Hall facility at the Amsterdam Pulse Stretcher Ring at NIKHEF. Tensor polarized deuterium is produced in an atomic beam source and injected into a storage cell target. Polarimeters are used to monitor the target polarization. A large acceptance non-magnetic detector system is used for the electron-proton (deuteron) coincidence measurement. It is demonstrated that these techniques result in low backgrounds due to scattering from species other than the polarized target gas and allow for fast and flexible orientation of the target spin. Specific issues such as interfacing the experiment to the storage ring and monitoring the performance of the target system are discussed in detail.
Similar content being viewed by others
References
Gilman R. et al.: Phys. Rev. Lett.65 (1990) 1733.
FILTEX, CERN Proposal PSCC/P92, spokesman E. Steffens.
HERMES, DESY Proposal, spokesmen R.G. Milner and K. Rith.
IUCF experiment CE-25, spokesmen J.F.J. van den Brand and J. Sowinski.
BLAST proposal at MIT-Bates, Spokesmen: J.F.J. van den Brand, R. Milner, R. Alarcon, R. Redwine and W. Hersman.
Tomusiak E.L. and Arenhövel H.: Phys. Lett B206 (1988) 187.
Experiments: SMC at CERN, E143 and E155 at SLAC, HERMES at DESY.
NIKHEF Experiment, spokesmen: C. de Jager, J.F.J. van den Brand and R. Holt (1994).
MIT-Bates Experiment, spokesmen: R. Alarcon and J.F.J. van den Brand (1991).
The I. et al.: Phys. Rev. Lett.67 (1991) 173.
Singhy D. et al.: Nucl. Instrum. Meth. A278 (1989) 349; B47 (1990) 167; A306 (1991) 36.
Ferro-Luzzi M., Zhou Z.-L., Bulten H.J., and van den Brand J.F.J.: Submitted to Nucl. Instrum. Meth.
Price J.S. and Haeberli W.: Nucl. Instrum. Meth. A326 (1993) 416.
Gaul H.G. and Haeberli W.: Private commun.
Zhou Z.-L., Ferro-Luzzi M., Bulten H.J., and van den Brand J.F.J.: Submitted to Nucl. Instrum. Meth.
Author information
Authors and Affiliations
Additional information
Lectures given at the Indian-Summer school on Electron Scattering of Nucleons and Nuclei, Prague (Czech Republic), September 1994.
The author thanks the entire 91-12 collaboration and acknowledges interesting discussions with Henk Jan Bulten. The research is supported by the National Science Foundation under Contract No. PHY-9316221 and under a NATO Grant No. CRG920219.
Rights and permissions
About this article
Cite this article
Van den Brand, J.F.J. Electron scattering from a tensor polarized2H internal target. Czech J Phys 45, 337–359 (1995). https://doi.org/10.1007/BF01698012
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01698012