Sep, 2016
Measurement of the CKM angle phi(1) in B-0 -> (D)over-bar(*)(0)h(0), (D)over-bar(0) -> K-S(0)pi(+)pi(-) decays with time-dependent binned Dalitz plot analysis
PHYSICAL REVIEW D
- Volume
- 94
- Number
- 5
- First page
- 052004
- Last page
- Language
- English
- Publishing type
- Research paper (scientific journal)
- DOI
- 10.1103/PhysRevD.94.052004
- Publisher
- AMER PHYSICAL SOC
We report a measurement of the CP-violation parameter phi(1) obtained in a time-dependent analysis of B-0 -> (D) over bar(*)(0)h(0) decays followed by (D) over bar (0) -> K-S(0)pi(+)pi decay. A model-independent measurement is performed using the binned Dalitz plot technique. The measured value is phi(1) = 11.7 degrees +/- 7.8 degrees(stat) +/- 2.1 degrees (syst). Treating sin 2 phi(1) and cos 2 phi(1) as independent parameters, we obtain sin 2 phi(1) = 0.43 +/- 0.27(stat) +/- 0.08(syst) and cos 2 phi(1) = 1.06 +/- 0.33(stat)(-0.15)(+0.21)(syst). The results are obtained with a full data sample of 772 x 10(6)B (B) over bar pairs collected near the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider.
- Link information
- ID information
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- DOI : 10.1103/PhysRevD.94.052004
- ISSN : 2470-0010
- eISSN : 2470-0029
- Web of Science ID : WOS:000383240600003