Prefer a chat interface with context about you and your work?
Mechanisms for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:msub><mml:mi>χ</mml:mi><mml:mrow><mml:mi>c</mml:mi><mml:mi>J</mml:mi></mml:mrow></mml:msub><mml:mo>→</mml:mo><mml:mi>ϕ</mml:mi><mml:mi>ϕ</mml:mi></mml:math> decays