Lorentz angle studies for the SLD endcap Cherenkov Ring Imaging detector

P. Coyle, M. Cavalli-Sforza, D. Coyne, M. Schneider, E. Spencer, D. Williams, V. Ashford, T. Bienz, F. Bird, M. Gaillard, G. Hallewell, Y. J. Kwon, D. Leith, D. McShurley, A. Nuttall, G. Oxoby, H. Peterson, B. Ratcliff, R. Reif, P. RensingD. Schultz, R. Shaw, S. Shapiro, N. Toge, J. Va'vra, T. Weber, S. Williams, D. Bauer, D. Caldwell, D. Hale, A. Lu, S. Yellin, R. Johnson, B. Meadows, M. Nussbaum

Research output: Contribution to journalArticle

1 Citation (Scopus)


In the endcaps of the Cherenkov Ring Imaging Detectors for SLD, photoelectrons drift under the influence of crossed electric and magnetic fields. The geometry of the encap design is closely coupled to the Lorentz angle in the chosen drift gas. In this report, we present recent measurements of Lorentz angles and drift velocities in gases suitable for the CRID photon detectors. We compare these measurements to predictions from a theoretical model; good agreement is observed. Based on our results we present a design for detectors operating in a 0.6 T transverse magnetic field.

Original languageEnglish
Pages (from-to)858-864
Number of pages7
JournalNuclear Inst. and Methods in Physics Research, A
Issue number2-3
Publication statusPublished - 1988 Dec 15

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

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    Coyle, P., Cavalli-Sforza, M., Coyne, D., Schneider, M., Spencer, E., Williams, D., Ashford, V., Bienz, T., Bird, F., Gaillard, M., Hallewell, G., Kwon, Y. J., Leith, D., McShurley, D., Nuttall, A., Oxoby, G., Peterson, H., Ratcliff, B., Reif, R., ... Nussbaum, M. (1988). Lorentz angle studies for the SLD endcap Cherenkov Ring Imaging detector. Nuclear Inst. and Methods in Physics Research, A, 273(2-3), 858-864. https://doi.org/10.1016/0168-9002(88)90108-8