Toroid moments in the momentum and angular momentum loss by a radiating arbitrary source.

In the context of experimental evidence concerning a nuclear toroid dipole, we briefly present here an exact but tedious calculation of the angular momentum loss, recoil force, and radiation intensity for an arbitrary source in terms of electric, magnetic, and toroid multipoles, thus emphasizing the importance of the latter in getting the results in closed forms, unbiased by approximations. Corrections to some familiar formulas from books, mostly on account of time varying toroid moments, are found and discussed.