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Effect of Three-Spin Groups on the Decay of Free Induction and the Primary Spin Echo in Linear Polymers with Free Ends

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

A theory is proposed for signals of the decay of free induction and the primary echo in linear flexible-chain polymers containing isolated groups of dipole-coupled three spins with arbitrary constants of dipole–dipole interaction. A new way of calculating primary echo signals after the effect of two radio frequency pulses in a wide range of temperatures is described.

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Funding

This work was performed as part of State Task no. АААА-А19-119071190017-7.

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Authors and Affiliations

  1. Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432, Chernogolovka, Moscow oblast, Russia

    T. P. Kulagina & G. E. Karnaukh

  2. Moscow State University, 119991, Moscow, Russia

    I. Yu. Golubeva

Authors
  1. T. P. Kulagina
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  2. G. E. Karnaukh
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  3. I. Yu. Golubeva
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Corresponding author

Correspondence to T. P. Kulagina.

Additional information

Translated by A. Muravev

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Kulagina, T.P., Karnaukh, G.E. & Golubeva, I.Y. Effect of Three-Spin Groups on the Decay of Free Induction and the Primary Spin Echo in Linear Polymers with Free Ends. Bull. Russ. Acad. Sci. Phys. 85, 894–897 (2021). https://doi.org/10.3103/S1062873821080153

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  • DOI: https://doi.org/10.3103/S1062873821080153

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