What question did this study set out to answer?

To investigate transient nutations of the nuclear magnetic moment vector induced by pulsed radiofrequency power near resonance and evaluate their utility in measuring nuclear relaxation rates.

October 15, 1949Physical Review

Transient Nutations in Nuclear Magnetic Resonance

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Authors

HTH. C. TorreyRutgers, The State University of New Jersey

Discussion

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Implication

Experimental study demonstrates transient nutations of nuclear magnetic moments under pulsed radiofrequency fields, indicating a direct method to measure relaxation times.

Key Points

To investigate transient nutations of the nuclear magnetic moment vector induced by pulsed radiofrequency power near resonance and evaluate their utility in measuring nuclear relaxation rates.
Applied pulsed radiofrequency power to nuclear magnetic moments near the resonance condition (ω = γH₀).
Measured nutation decay and amplitude variations across varying pulse intervals and magnetic field inhomogeneities using wide-band detection.
Generated transient nutations whose initial amplitudes depended on pre-pulse magnetization and resonance proximity, with damping driven by spin-spin and spin-lattice interactions.
Demonstrated that thermal relaxation time and the spin-spin time constant (T₂) can be directly determined from decay rates despite magnetic field inhomogeneities.
Achieved detection sensitivity comparable to narrow-band modulation methods while enabling rapid frequency searches in qualitative agreement with Bloch theory.

Cite This Study

H. C. Torrey (1949) studied this question.

synapsesocial.com/papers/6a0db046cae7912d2fa5344d https://doi.org/10.1103/physrev.76.1059

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October 15, 1949Physical Review

Transient Nutations in Nuclear Magnetic Resonance

View Full Paper

Ask AI

Bookmark

Authors

HTH. C. TorreyRutgers, The State University of New Jersey

Discussion

Member takes

Implication

Experimental study demonstrates transient nutations of nuclear magnetic moments under pulsed radiofrequency fields, indicating a direct method to measure relaxation times.

Key Points

To investigate transient nutations of the nuclear magnetic moment vector induced by pulsed radiofrequency power near resonance and evaluate their utility in measuring nuclear relaxation rates.
Applied pulsed radiofrequency power to nuclear magnetic moments near the resonance condition (ω = γH₀).
Measured nutation decay and amplitude variations across varying pulse intervals and magnetic field inhomogeneities using wide-band detection.
Generated transient nutations whose initial amplitudes depended on pre-pulse magnetization and resonance proximity, with damping driven by spin-spin and spin-lattice interactions.
Demonstrated that thermal relaxation time and the spin-spin time constant (T₂) can be directly determined from decay rates despite magnetic field inhomogeneities.
Achieved detection sensitivity comparable to narrow-band modulation methods while enabling rapid frequency searches in qualitative agreement with Bloch theory.

Cite This Study

H. C. Torrey (1949) studied this question.

synapsesocial.com/papers/6a0db046cae7912d2fa5344d https://doi.org/10.1103/physrev.76.1059

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