Simultaneous π/2 rotation of two spin species of different gyromagnetic ratios

Ping Han Chu, Jen Chieh Peng

Research output: Contribution to journalArticle

Abstract

We examine the characteristics of the π/2 pulse for simultaneously rotating two spin species of different gyromagnetic ratios with the same sign. For a π/2 pulse using a rotating magnetic field, we derive an equation relating the frequency and strength of the pulse to the gyromagnetic ratios of the two particles and the strength of the constant holding field. For a π/2 pulse using a linear oscillatory magnetic field, we obtain the solutions numerically, and compare them with the solutions for the rotating π/2 pulse. Application of this analysis to the specific case of rotating neutrons and 3He atoms simultaneously with a π/2 pulse, proposed for a neutron electric dipole moment experiment, is also presented.

Original languageEnglish (US)
Pages (from-to)128-131
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume795
DOIs
StatePublished - Jun 15 2015

Keywords

  • Magnetic resonance
  • Neutron electric dipole moment
  • π/2 Rotation

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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