Book contents
- The Physics of Polarized Targets
- The Physics of Polarized Targets
- Copyright page
- Dedication
- Contents
- Preface
- Acknowledgements
- 1 Introduction to Spin, Magnetic Resonance and Polarization
- 2 Resonance and Relaxation of Interacting Spin Systems
- 3 Electron Paramagnetic Resonance and Relaxation
- 4 Dynamic Nuclear Polarization
- 5 Nuclear Magnetic Resonance and Relaxation
- 6 NMR Polarization Measurement
- 7 Polarized Target Materials
- 8 Refrigeration
- 9 Microwave and Magnet Techniques
- 10 Other Methods of Nuclear Spin Polarization
- 11 Design and Optimization of Polarized Target Experiments
- Appendices
- Index
- References
9 - Microwave and Magnet Techniques
Published online by Cambridge University Press: 03 February 2020
Book contents
- The Physics of Polarized Targets
- The Physics of Polarized Targets
- Copyright page
- Dedication
- Contents
- Preface
- Acknowledgements
- 1 Introduction to Spin, Magnetic Resonance and Polarization
- 2 Resonance and Relaxation of Interacting Spin Systems
- 3 Electron Paramagnetic Resonance and Relaxation
- 4 Dynamic Nuclear Polarization
- 5 Nuclear Magnetic Resonance and Relaxation
- 6 NMR Polarization Measurement
- 7 Polarized Target Materials
- 8 Refrigeration
- 9 Microwave and Magnet Techniques
- 10 Other Methods of Nuclear Spin Polarization
- 11 Design and Optimization of Polarized Target Experiments
- Appendices
- Index
- References
Summary
Microwave sources and waveguide components are commercially available and therefore we shall limit ourselves to describing their physical principles and main limitations in the polarized target applications. The propagation modes and the complex propagation constants in rectangular and round guideas are derived and described. Simple waveguide components and circuits are discussed in view of control and optimization of the power, frequency and modulation for DNP. The main design principles and criteria are presented for iron core magnets and their cobalt–iron pole pieces. For superconducting solenoid and dipole magnets, the focus is in the winding accuracy. The control and protection of large superconducting magnets is also briefly discussed.
Keywords
- Type
- Chapter
- Information
- The Physics of Polarized Targets , pp. 393 - 420Publisher: Cambridge University PressPrint publication year: 2020
References
Becerra, L. R., Gerfen, G. J., Bellew, B. F., et al., A spectrometer for dynamic nuclear polarization and electron paramagnetic resonance at high frequencies, Journal of Magnetic Resonance, Series A 117 (1995) 28–40.CrossRefGoogle Scholar
Matsuki, Y., Takahashi, H., Ueda, K., et al., Dynamic nuclear polarization experiments at 14.1 T for solid-state NMR, Physical Chemistry Chemical Physics 12 (2010) 5799–5803.Google Scholar
Rosay, M., Blank, M., Engelke, F., Instrumentation for solid-state dynamic nuclear polarization with magic angle spinning NMR, J. Magn. Res. 264 (2016) 88–98.CrossRefGoogle ScholarPubMed
Panofsky, W. K. H., Phillips, M., Classical Electricity and Magnetism, Addison-Wesley, Reading, MA, 1962.Google Scholar
Ziman, J. M., Principles of the Theory of Solids, Cambridge University Press, Cambridge, 1965.Google Scholar
Jahnke, E., Emde, F., Tables of Functions, 4 ed., Dover Publications, Inc., New York, 1945.Google Scholar
Niinikoski, T. O., Polarized targets at CERN, in: Marshak, M.L. (ed.) Int. Symp. on High Energy Physics with Polarized Beams and Targets, American Institute of Physics, Argonne, 1976, pp. 458–484.Google Scholar
Desportes, H., Superconducting magnets for polarized targets, in: Shapiro, G. (Ed.) 2nd Int. Conf. on Polarized Targets, LBL, University of California, Berkeley, 1971, pp. 57–68.Google Scholar
Duckworth, H. E., Electricity and Magnetism, Holt, Rinehart and Winston, New York, 1961.Google Scholar
Iselin, C., Solution of Poisson’s or Laplace’s Equation in Two-Dimensional Regions, CERN Program Library, CERN, Geneva, 1976.Google Scholar
Fujisaki, M., Babou, M., Bystricky, J., et al., Polarization measurements in K+n charge exchange at 6 and 12 GeV/c, in: Thomas, G.H. (ed.) High Energy Physics with Polarized Beams and Polarized Targets, American Institute of Physics, Argonne, 1978, pp. 478–485.Google Scholar
de Lesquen, A., van Rossum, L., Svec, M., et al., Measurement of the reaction π+ n↑ → π+ π− p at 5.98 and 11.85 GeV/c using a transversely polarized deuteron target, Phys. Rev. D 32 (1984) 21.CrossRefGoogle Scholar
Cunliffe, N. H., Houzego, P., Roberts, R. L., A superconducting 2.6 T high accuracy magnet, Sixth Int. Conference on Magnet Technology, ALFA Bratislava, Bratislava, 1977, pp. 443–447.Google Scholar
Cunliffe, N. H., Roberts, R. L., A superconducting uniform solenoidal field magnet for a large polarised target, 7th Int. Conf. on Cryogenic Engineering, IPC Science and Technology Press, London, 1978, pp. 102.Google Scholar
Dael, A., Cacaut, D., Desportes, H., et al., A Superconducting 2.5 T high accuracy solenoid and a large 0.5 T dipole magnet for the SMC target, MT12, Leningrad, URSS, 1991, pp. 560–563.Google Scholar
Brown, S. C., Court, G. R., Gamet, R., et al., The EMC polarized target, in: Meyer, W. (ed.) Proc. 4th Int. Workshop on Polarized Target Materials and Techniques, Physikalisches Institut, Universität Bonn, Bonn, 1984, pp. 102–111.Google Scholar
Spin Muon Collaboration (SMC), Adams, D., Adeva, B., et al., The polarized double-cell target of the SMC, Nucl. Instr. and Meth. in Phys. Res. A 437 (1999) 23–67.Google Scholar
Bielert, E. R., Bernhard, J., Deront, L., et al., Operational experience with the combined solenoid/dipole magnet system of the COMPASS experiment at CERN, IEEE Transactions on Applied Superconductivity 28 (2018) 4101805.Google Scholar
Crabb, D. G., Day, D. B., The Virginia/Basel/SLAC polarized target: operation and performance during E143 experiment at SLAC, Nucl. Instrum. and Meth. in Phys. Res. A 356 (1995) 9–19.Google Scholar
Crabb, D. G., Day, D. B., The Virginia/Basel/SLAC polarized target: operation and performance during experiment E143 at SLAC, in: Dutz, H., Meyer, W. (eds.) 7th Int. Workshop on Polarized Target Materials and Techniques, Elsevier, Amsterdam, 1994, pp. 11–19.Google Scholar
Bernard, R., Chaumette, P., Chesny, P., et al., A frozen spin target with three orthogonal polarization directions, Nucl. Instrum. and Methods A 249 (1986) 176–184.Google Scholar