Experimental Test of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>C</mi></math></span> Invariance in <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>η</mi><mo>→</mo><mrow><msup><mrow><mi>π</mi></mrow><mrow><mo>+</mo></mrow></msup></mrow><mrow><msup><mrow><mi>π</mi></mrow><mrow><mo>−</mo></mrow></msup></mrow><mrow><msup><mrow><mi>π</mi></mrow><mrow><mn>0</mn></mrow></msup></mrow></math></span>

We report an asymmetry of 1.5 ± 0.5% based on 36 800 events of $η \to π^{+} π^{-} π^{0}$ .

DOI:https://doi.org/10.1103/PhysRevLett.21.402

Columbia University, New York, New York, and Brookhaven National Laboratory, Upton, New York

Click to Expand

Physical Review Letters