unitarity condition

unitarity condition

[‚yü·nə′tar·əd·ē kən‚dish·ən]
(particle physics)
The condition that the scattering matrix for any process be unitary, as a result of the fact that the probability for the system to end in some final state must be unity.
References in periodicals archive ?
However, if one imposes the unitarity condition on the rows and columns of the extracted CKM, the new value for this [V.
The unitarity condition for the CKM matrix in the Standard Model,
9740(5) [7], signaling a deviation from the Unitarity condition by 2.