ar X iv : h ep - p h / 95 10 33 7 v 1 1 8 O ct 1 99 5 BARI - TH / 95 - 217 Υ ( 4 S ) →
نویسندگان
چکیده
We give an estimate of the C-even B 0 ¯ B 0 background coming from the radia-tive decay Υ(4S) → B 0 ¯ B 0 γ at B-factories. Our result B(Υ(4S) → B 0 ¯ B 0 γ) ≃ 3× 10 −9 shows that such background could be safely neglected in the analyses of CP violating effects.
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