Measurement of CP-Violating and Mixing-Induced Observables in B0s→ϕγ Decays; Physical Review Letters; Vol. 123, iss. 8
| Parent link: | Physical Review Letters Vol. 123, iss. 8.— 2019.— [081802, 10 p.] |
|---|---|
| 共著者: | , |
| その他の著者: | , , , , , , |
| 要約: | Title screen A time-dependent analysis of the B0s→ϕγ decay rate is performed to determine the CP -violating observables Sϕγ and Cϕγ and the mixing-induced observable AΔϕγ. The measurement is based on a sample of pp collision data recorded with the LHCb detector, corresponding to an integrated luminosity of 3 fb−1 at center-of-mass energies of 7 and 8 TeV. The measured values are Sϕγ=0.43±0.30±0.11, Cϕγ=0.11±0.29±0.11, and AΔϕγ=−0.67+0.37−0.41±0.17, where the first uncertainty is statistical and the second systematic. This is the first measurement of the observables S and C in radiative B0s decays. The results are consistent with the standard model predictions. |
| 言語: | 英語 |
| 出版事項: |
2019
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| 主題: | |
| オンライン･アクセス: | https://doi.org/10.1103/PhysRevLett.123.081802 |
| フォーマット: | 電子媒体 図書の章 |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=663352 |
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| 200 | 1 | |a Measurement of CP-Violating and Mixing-Induced Observables in B0s→ϕγ Decays |f R. Aaij, C. A. Beteta, B. Adeva [et al.] | |
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| 300 | |a Title screen | ||
| 320 | |a [References: 27 tit.] | ||
| 330 | |a A time-dependent analysis of the B0s→ϕγ decay rate is performed to determine the CP -violating observables Sϕγ and Cϕγ and the mixing-induced observable AΔϕγ. The measurement is based on a sample of pp collision data recorded with the LHCb detector, corresponding to an integrated luminosity of 3 fb−1 at center-of-mass energies of 7 and 8 TeV. The measured values are Sϕγ=0.43±0.30±0.11, Cϕγ=0.11±0.29±0.11, and AΔϕγ=−0.67+0.37−0.41±0.17, where the first uncertainty is statistical and the second systematic. This is the first measurement of the observables S and C in radiative B0s decays. The results are consistent with the standard model predictions. | ||
| 461 | |t Physical Review Letters | ||
| 463 | |t Vol. 123, iss. 8 |v [081802, 10 p.] |d 2019 | ||
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