Exhaustive model selection in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>b</mml:mi><mml:mo stretchy="false">→</mml:mo><mml:mi>s</mml:mi><mml:mo>ℓ</mml:mo><mml:mo>ℓ</mml:mo></mml:mrow></mml:math> decays: Pitting cross-validation against the Akaike information criterion
Physical review. D/Physical review. D.