spin-lattice relaxation time

symbol: $T_{1}$
synonym: spin-lattice time constant
https://doi.org/10.1351/goldbook.08423
Reciprocal of the rate constant of longitudinal relaxation.
See also: spin-spin relaxation time, net dephasing time
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 706 (https://doi.org/10.1515/pac-2019-0203)