Preprints
https://doi.org/10.5194/mr-2021-65
https://doi.org/10.5194/mr-2021-65

  06 Dec 2021

06 Dec 2021

Review status: this preprint is currently under review for the journal MR.

Radiation damping strongly perturbs remote resonances in presence of homo-nuclear mixing sequences

Philippe Pelupessy Philippe Pelupessy
  • Laboratoire des Biomolécules, LBM, Département de Chimie, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France

Abstract. In this work, it is experimentally shown that the weak oscillating magnetic field (known as the “radiation damping” field) caused by the inductive coupling between the transverse magnetization of nuclei and the radio frequency circuit perturbs remote resonances when homo-nuclear total correlation mixing sequences are applied. Numerical simulations are used to rationalize this effect.

Philippe Pelupessy

Status: open (until 05 Feb 2022)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CC1: 'Comment on mr-2021-65', Tom Barbara, 14 Dec 2021 reply
  • RC1: 'Comment on mr-2021-65', Anonymous Referee #1, 17 Dec 2021 reply
  • RC2: 'Comment on mr-2021-65', Anonymous Referee #2, 14 Jan 2022 reply

Philippe Pelupessy

Philippe Pelupessy

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Short summary
Strong signals in Nuclear Magnetic Resonance are perturbed by their feedback interaction with the radio-frequency circuit, a phenomenon known as Radiation Damping . This effect is usually weak and influences solely the signals that are at its source. In this work, it is shown that, under certain circumstances, Radiation Damping can have far-reaching consequences.