Volume 20 No 22 (2022)
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AN EXPLORATION OF WATER'S CORE-ATOM AND SURROUNDING CELL SPLITTING: THEORETICAL IMPLICATIONS
Mrs.BEERAM JAMUNA, Mr.AMMASI THIRUGNANAM
Abstract
The NMR investigations of Chen et al. (Magnetic Resonance in Medicine 50, 515-521 2003) revealed that when the magic angle is rotated, the isotropic susceptibility shift divides the water peaks into two distinct peaks. The initial peak in the spectrum can be attributed to the water atoms contained within the core nucleus. Conversely, the second peak can be found in neighboring cells that are in close proximity to the water. This work proposes a theoretical atomic model of the cell based on three-level-type and three-level-cascade atomic configurations. The purpose of this study is to examine the correlation between variation in susceptibility and the distance between water peaks. Additionally, we examine the impact of detunings, the intensity of the electric field and magnetic field, and the angle of magic spinning on the water peak's separation.
Keywords
Splitting of water peaks, Magic angle spinning, Nuclear magnetic resonance.
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