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Observation of D0 →ρ0γ and Search for CP Violation in Radiative Charm Decays. / Belle Collaboration.

в: Physical Review Letters, Том 118, № 5, 051801, 31.01.2017.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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Belle Collaboration. Observation of D0 →ρ0γ and Search for CP Violation in Radiative Charm Decays. Physical Review Letters. 2017 янв. 31;118(5):051801. doi: 10.1103/PhysRevLett.118.051801

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Belle Collaboration. / Observation of D0 →ρ0γ and Search for CP Violation in Radiative Charm Decays. в: Physical Review Letters. 2017 ; Том 118, № 5.

BibTeX

@article{b91f581748054ecf9ca1c9a2fd01bdaf,
title = "Observation of D0 →ρ0γ and Search for CP Violation in Radiative Charm Decays",
abstract = "We report the first observation of the radiative charm decay D0→ρ0γ and the first search for CP violation in decays D0→ρ0γ, φγ, and {\=K}∗0(892)γ, using a data sample of 943 fb-1 collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The branching fraction is measured to be B(D0→ρ0γ)=(1.77±0.30±0.07)×10-5, where the first uncertainty is statistical and the second is systematic. The obtained CP asymmetries ACP(D0→ρ0γ)=+0.056±0.152±0.006, ACP(D0→φγ)=-0.094±0.066±0.001, and ACP(D0→{\=K}∗0γ)=-0.003±0.020±0.000 are consistent with no CP violation. We also present an improved measurement of the branching fractions B(D0→φγ)=(2.76±0.19±0.10)×10-5 and B(D0→{\=K}∗0γ)=(4.66±0.21±0.21)×10-4.",
keywords = "ASYMMETRY, PACKAGE, MESONS, ENERGY, BELLE, MU+MU",
author = "{The BELLE collaboration} and T. Nanut and A. Zupanc and I. Adachi and H. Aihara and {Al Said}, S. and Asner, {D. M.} and V. Aulchenko and T. Aushev and R. Ayad and V. Babu and I. Badhrees and Bakich, {A. M.} and V. Bansal and P. Behera and V. Bhardwaj and J. Biswal and A. Bondar and A. Bozek and M. Bra{\v c}ko and Browder, {T. E.} and D. {\v C}ervenkov and V. Chekelian and A. Chen and Cheon, {B. G.} and R. Chistov and K. Cho and Choi, {S. K.} and Y. Choi and D. Cinabro and N. Dash and {Di Carlo}, S. and Z. Dole{\v Z}al and D. Dutta and S. Eidelman and H. Farhat and Fast, {J. E.} and T. Ferber and Fulsom, {B. G.} and V. Gaur and N. Gabyshev and A. Garmash and P. Krokovny and A. Kuzmin and D. Matvienko and V. Shebalin and B. Shwartz and A. Vinokurova and V. Vorobyev and V. Zhilich and V. Zhulanov",
year = "2017",
month = jan,
day = "31",
doi = "10.1103/PhysRevLett.118.051801",
language = "English",
volume = "118",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "5",

}

RIS

TY - JOUR

T1 - Observation of D0 →ρ0γ and Search for CP Violation in Radiative Charm Decays

AU - The BELLE collaboration

AU - Nanut, T.

AU - Zupanc, A.

AU - Adachi, I.

AU - Aihara, H.

AU - Al Said, S.

AU - Asner, D. M.

AU - Aulchenko, V.

AU - Aushev, T.

AU - Ayad, R.

AU - Babu, V.

AU - Badhrees, I.

AU - Bakich, A. M.

AU - Bansal, V.

AU - Behera, P.

AU - Bhardwaj, V.

AU - Biswal, J.

AU - Bondar, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Červenkov, D.

AU - Chekelian, V.

AU - Chen, A.

AU - Cheon, B. G.

AU - Chistov, R.

AU - Cho, K.

AU - Choi, S. K.

AU - Choi, Y.

AU - Cinabro, D.

AU - Dash, N.

AU - Di Carlo, S.

AU - DoleŽal, Z.

AU - Dutta, D.

AU - Eidelman, S.

AU - Farhat, H.

AU - Fast, J. E.

AU - Ferber, T.

AU - Fulsom, B. G.

AU - Gaur, V.

AU - Gabyshev, N.

AU - Garmash, A.

AU - Krokovny, P.

AU - Kuzmin, A.

AU - Matvienko, D.

AU - Shebalin, V.

AU - Shwartz, B.

AU - Vinokurova, A.

AU - Vorobyev, V.

AU - Zhilich, V.

AU - Zhulanov, V.

PY - 2017/1/31

Y1 - 2017/1/31

N2 - We report the first observation of the radiative charm decay D0→ρ0γ and the first search for CP violation in decays D0→ρ0γ, φγ, and K̄∗0(892)γ, using a data sample of 943 fb-1 collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The branching fraction is measured to be B(D0→ρ0γ)=(1.77±0.30±0.07)×10-5, where the first uncertainty is statistical and the second is systematic. The obtained CP asymmetries ACP(D0→ρ0γ)=+0.056±0.152±0.006, ACP(D0→φγ)=-0.094±0.066±0.001, and ACP(D0→K̄∗0γ)=-0.003±0.020±0.000 are consistent with no CP violation. We also present an improved measurement of the branching fractions B(D0→φγ)=(2.76±0.19±0.10)×10-5 and B(D0→K̄∗0γ)=(4.66±0.21±0.21)×10-4.

AB - We report the first observation of the radiative charm decay D0→ρ0γ and the first search for CP violation in decays D0→ρ0γ, φγ, and K̄∗0(892)γ, using a data sample of 943 fb-1 collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The branching fraction is measured to be B(D0→ρ0γ)=(1.77±0.30±0.07)×10-5, where the first uncertainty is statistical and the second is systematic. The obtained CP asymmetries ACP(D0→ρ0γ)=+0.056±0.152±0.006, ACP(D0→φγ)=-0.094±0.066±0.001, and ACP(D0→K̄∗0γ)=-0.003±0.020±0.000 are consistent with no CP violation. We also present an improved measurement of the branching fractions B(D0→φγ)=(2.76±0.19±0.10)×10-5 and B(D0→K̄∗0γ)=(4.66±0.21±0.21)×10-4.

KW - ASYMMETRY

KW - PACKAGE

KW - MESONS

KW - ENERGY

KW - BELLE

KW - MU+MU

UR - http://www.scopus.com/inward/record.url?scp=85012285868&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.118.051801

DO - 10.1103/PhysRevLett.118.051801

M3 - Article

C2 - 28211706

AN - SCOPUS:85012285868

VL - 118

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 5

M1 - 051801

ER -

ID: 10311359