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Book Chapter

Physical Basics of NMR


Pohmann,  R
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Pohmann, R. (2011). Physical Basics of NMR. In In vivo NMR Imaging: Methods and Protocols (pp. 3-21). Totowa, NJ, USA: Springer Science.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-BA68-C
This chapter gives a short introduction to the physical and technical basics of nuclear magnetic resonance. It describes the formation of the NMR signal from the generation of the magnetization to the detection in the spectrometer. The behaviour of nuclear spins in a magnetic field is shown based on classical dynamics. The formation of the free induction decay and the spin echoes, as well as the concepts of longitudinal and transverse relaxation are explained. The basics of signal acquisition and reconstruction are presented. The concept of chemical shift is introduced with its application in NMR spectroscopy.