selection rule

noun

Physics.

1. any of several rules designating allowed transitions between quantum states in terms of the quantum numbers associated with the states.

Example Sentences

The team further elucidated the ferromagnetic and anti-ferromagnetic phase selection rule of magnetic interactions by analyzing the relative orientation of magnetic moments between nearest-neighbour and next-nearest neighbour sites.

Read more on Science Daily

Both Monye and Care believe the selection rule could be relaxed for a short-term period until English rugby gets back on its feet financially.

Read more on BBC

They also wanted Wales’ minimum 60-cap selection rule for players playing outside the country to be scrapped, and a voice at meetings of the PRB.

Read more on Seattle Times

They also want Wales’ minimum 60-cap selection rule for players playing outside the country to be scrapped, and a voice at meetings of the Professional Rugby Board.

Read more on Seattle Times

A place at PRB meetings, the removal of the contentious 60-cap selection rule in Wales and a rethink over the contracts on offer because of the fixed-variable elements accounting for 20% of salaries.

Read more on BBC