Charge Asymmetry of Same-Sign Dileptons in $B^0$-$\bar{B}^0$ Mixing

Details Charge Asymmetry of Same-Sign Dileptons in $B^0$-$\bar{B}^0$ Mixing Charge Asymmetry of Same-Sign Dileptons in $B^0$-$\bar{B}^0$ Mixing

2005-05-09

arxiv.org/abs/hep-ex/0505017v1

Phys.Rev.D73:112002,2006

Physics

High Energy Physics

High Energy Physics - Experiment

21 pages, 9 figures, 3 tables, submitted to Physical Review D

Scientific paper

10.1103/PhysRevD.73.112002

We report a measurement of the charge asymmetry for same-sign dileptons in $B^0$-$\bar{B}^0$ mixing, $A_{\rm sl}$. The data were collected with the Belle detector at KEKB. Using a data sample of 78 fb$^{-1}$ recorded at the $\Upsilon(4S)$ resonance and 9 fb$^{-1}$ recorded at an energy 60 MeV below the resonance, we measure $A_{\rm sl} = (-1.1 \pm 7.9(\text{stat}) \pm 7.0(\text{sys}))\times 10^{-3}$.

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