T-NONINVARIANT EFFECT IN MUON-CAPTURE BY LI-6 WITH DECAY TO A CONTINUUM

The T-noninvariant transverse polarization of neutrons is considered f or muon capture by a Li-6 nucleus with decay into a quasistationary 2( +) state of the three-particle alpha + n + n continuum. This polarizat ion is orthogonal to the plane spanned by the polarization axis of the initial mesic atom and the neutron momentum. The situation in which n eutrons that are emitted in the plane orthogonal to the axis of the me sic-atom polarization and which have oppositely directed momenta equal in magnitude are selected is analyzed. The wave function of the final state is constructed by using the method of hyperspherical harmonics. In the approximation of the allowed Gamow-Teller transition 1(+) --> 2(+), this neutron polarization is expressed in terms of the T-noninva riant relative phase of reduced matrix elements for transitions from t he Li-6 ground state to various final-state configurations.