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Published on: August 17, 2017
Proton resonance for oscillating field of the order of static magnetic field
Clemar Schurrer1, Silvina Pérez, Alberto Wolfenson
1Facultad de Matemática, Astronomia y Fisica, Universidad Nacional de Córdoba, IFEG-CONICET, Medina Allende s/n, Ciudad Universitaria, 5000 Córdoba, Argentina.
Abstract:
A spin decoupling method in nuclear quadrupole resonance spin echo experiment is used to detect the proton magnetic resonance absorption spectrum. The behavior of proton resonance in alpha phase of polycrystalline p-dichlorobenzene as a function of the intensity of the proton decoupling oscillating field (H(2)) is measured. Good agreement between the experimental resonance frequency and Shirley's theory for a non-interacting 1/2 spin system is observed. To our knowledge this is the first time the NMR proton frequency dependence on linear polarized excitation field intensity for H(2)/H(o) as high as 1.8 is measured.
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