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Measurement of the time-dependent CP-violating asymmetry in B-0 -> K-S(0)pi(0)gamma decays
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BaBar Collaboration (Including: UNSPECIFIED). (2005) Measurement of the time-dependent CP-violating asymmetry in B-0 -> K-S(0)pi(0)gamma decays. PHYSICAL REVIEW D, 72 (5). -. ISSN 1550-7998
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Official URL: http://dx.doi.org/10.1103/PhysRevD.72.051103
Abstract
We present a measurement of the time-dependent CP-violating asymmetry in B-0-> K(*0)gamma decays with K-*0-> K(S)(0)pi(0) based on 232x10(6) Upsilon(4S)-> B (B) over bar decays collected with the BABAR detector at the PEP-II asymmetric-energy e(+)e(-) collider at SLAC. In a sample containing 157 +/- 16 signal decays, we measure S(K)(*0)gamma=-0.21 +/- 0.40 +/- 0.05 and C(K)(*0)gamma=-0.40 +/- 0.23 +/- 0.03, where the first error is statistical and the second systematic. We also explore B-0-> K(S)(0)pi(0)gamma decays with 1.1 < m(KS)(0)pi(0)< 1.8 GeV/c(2) and find 59 +/- 13 signal events with S(KS)(0)pi(0)gamma=0.9 +/- 1.0 +/- 0.2 and C(KS)(0)pi(0)gamma=-1.0 +/- 0.5 +/- 0.2.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
| Journal or Publication Title: | PHYSICAL REVIEW D |
| Publisher: | AMERICAN PHYSICAL SOC |
| ISSN: | 1550-7998 |
| Date: | September 2005 |
| Volume: | 72 |
| Number: | 5 |
| Number of Pages: | 8 |
| Page Range: | - |
| Identification Number: | 10.1103/PhysRevD.72.051103 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/34526 |
Data sourced from Thomson Reuters' Web of Knowledge
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