spin-spin relaxation time

symbol: $T_{2}$
synonym: transverse relaxation time
https://doi.org/10.1351/goldbook.08426
Reciprocal of the rate constant of spin-spin relaxation.
See also: spin-lattice relaxation time, net dephasing time
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 707 (https://doi.org/10.1515/pac-2019-0203)