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Measurement of time-dependent $$CP$$ asymmetries in $$B^{0}to K_S^0 eta gamma$$ decays

Nakano, Hiroshi*; Tanida, Kiyoshi   ; Belle Collaboration*; 188 of others*

We report a measurement of time-dependent $$CP$$ violation parameters in $${B^0 to K_S^0 eta gamma}$$ decays. The study is based on a data sample, containing $${772 times 10^6 Bbar{B}}$$ pairs, that was collected at the $$Upsilon(4S)$$ resonance with the Belle detector at the KEKB asymmetric-energy $$e^+ e^-$$ collider. We obtain the $$CP$$ violation parameters of $${{cal S} = -1.32 pm 0.77 {rm (stat.)} pm 0.36{rm (syst.)}}$$ and $${{cal A} = -0.48 pm 0.41 {rm (stat.)} pm 0.07{rm (syst.)}}$$ for the invariant mass of the $$K_S^0 eta$$ system up to 2.1 GeV/$$c^2$$.

Language

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English

Journal

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Physical Review D

Volume

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97

Number

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9

Pages

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p.092003_1 - 092003_10

Publication Year/Month

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2018/05

Meeting title

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Held date

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Location (city)

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Location (country)

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Patent information

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PDF

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AA2018-0584.pdf:0.54MB

Paper URL

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https://doi.org/10.1103/PhysRevD.97.092003

DOI for research data

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Keywords

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CP対称性の破れ

Research Facility

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Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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高エネルギー加速器研究機構

Accesses

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- Accesses

InCites™

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Percentile:37.62

Category:Astronomy & Astrophysics

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