We report the measurement of the direct CP asymmetry in the radiative B¯ decay using a datasample of (772+-11) BB¯ pairs collected at the Upsilon(4S) resonance with the Belle detector at theKEKB asymmetric-energy e+e− collider.
dc.language
eng
dc.relation.ispartofseries
Physical Review Letters
dc.title
Measurement of the direct $CP$ asymmetry in $\bar{B}\rightarrow X_{s+d}\gamma$ decays with a lepton tag