K Abe, R Abe, I Adachi, BS Ahn,
H Aihara, M Akatsu… - Physical review …, 2001 - APS
We present a measurement of the standard model CP violation parameter sin 2 φ 1 based
on a 29.1 fb− 1 data sample collected at the ϒ (4 S) resonance with the Belle detector at the …