Amplitude Analysis of the Decays η′ →π+π-π0 and η′ →π0π0π0

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Amplitude Analysis of the Decays η′ →π+π-π0 and η′ →π0π0π0. / The BELLE collaboration.

In: Physical Review Letters, Vol. 118, No. 1, 012001, 05.01.2017.

Research output: Contribution to journal › Article › peer-review

Harvard

The BELLE collaboration 2017, 'Amplitude Analysis of the Decays η′ →π+π-π0 and η′ →π0π0π0', Physical Review Letters, vol. 118, no. 1, 012001. https://doi.org/10.1103/PhysRevLett.118.012001

APA

The BELLE collaboration (2017). Amplitude Analysis of the Decays η′ →π+π-π0 and η′ →π0π0π0. Physical Review Letters, 118(1), [012001]. https://doi.org/10.1103/PhysRevLett.118.012001

Vancouver

The BELLE collaboration. Amplitude Analysis of the Decays η′ →π+π-π0 and η′ →π0π0π0. Physical Review Letters. 2017 Jan 5;118(1):012001. doi: 10.1103/PhysRevLett.118.012001

Author

The BELLE collaboration. / Amplitude Analysis of the Decays η′ →π+π-π0 and η′ →π0π0π0. In: Physical Review Letters. 2017 ; Vol. 118, No. 1.

BibTeX

@article{c35bb3bce89d4ab5be6738813ebd999a,

title = "Amplitude Analysis of the Decays η′ →π+π-π0 and η′ →π0π0π0",

abstract = "Based on a sample of 1.31×109 J/ψ events collected with the BESIII detector, an amplitude analysis of the isospin-violating decays η′→π+π-π0 and η′→π0π0π0 is performed. A significant P-wave contribution from η′→ρ±π is observed for the first time in η′→π+π-π0. The branching fraction is determined to be B(η′→ρ±π)=(7.44±0.60±1.26±1.84)×10-4, where the first uncertainty is statistical, the second systematic, and the third model dependent. In addition to the nonresonant S-wave component, there is a significant σ meson component. The branching fractions of the combined S-wave components are determined to be B(η′→π+π-π0)S=(37.63±0.77±2.22±4.48)×10-4 and B(η′→π0π0π0)=(35.22±0.82±2.54)×10-4, respectively. The latter one is consistent with previous BESIII measurements.",

keywords = "GAMS-4-PI SPECTROMETER, PI 0",

author = "{The BELLE collaboration} and M. Ablikim and Achasov, {M. N.} and Ai, {X. C.} and O. Albayrak and M. Albrecht and Ambrose, {D. J.} and A. Amoroso and An, {F. F.} and Q. An and Bai, {J. Z.} and {Baldini Ferroli}, R. and Y. Ban and Bennett, {D. W.} and Bennett, {J. V.} and M. Bertani and D. Bettoni and Bian, {J. M.} and F. Bianchi and E. Boger and I. Boyko and Briere, {R. A.} and H. Cai and X. Cai and O. Cakir and A. Calcaterra and Cao, {G. F.} and Cetin, {S. A.} and Chang, {J. F.} and G. Chelkov and G. Chen and Chen, {H. S.} and Chen, {H. Y.} and Chen, {J. C.} and Chen, {M. L.} and S. Chen and Chen, {S. J.} and X. Chen and Chen, {X. R.} and Chen, {Y. B.} and Cheng, {H. P.} and Chu, {X. K.} and G. Cibinetto and Dai, {H. L.} and Dai, {J. P.} and A. Dbeyssi and D. Dedovich and Deng, {Z. Y.} and A. Denig and Muchnoi, {N. Yu} and Nikolaev, {I. B.}",

note = "Publisher Copyright: {\textcopyright} 2017 American Physical Society.",

year = "2017",

month = jan,

day = "5",

doi = "10.1103/PhysRevLett.118.012001",

language = "English",

volume = "118",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "1",

}

RIS

TY - JOUR

T1 - Amplitude Analysis of the Decays η′ →π+π-π0 and η′ →π0π0π0

AU - The BELLE collaboration

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Ai, X. C.

AU - Albayrak, O.

AU - Albrecht, M.

AU - Ambrose, D. J.

AU - Amoroso, A.

AU - An, F. F.

AU - An, Q.

AU - Bai, J. Z.

AU - Baldini Ferroli, R.

AU - Ban, Y.

AU - Bennett, D. W.

AU - Bennett, J. V.

AU - Bertani, M.

AU - Bettoni, D.

AU - Bian, J. M.

AU - Bianchi, F.

AU - Boger, E.

AU - Boyko, I.

AU - Briere, R. A.

AU - Cai, H.

AU - Cai, X.

AU - Cakir, O.

AU - Calcaterra, A.

AU - Cao, G. F.

AU - Cetin, S. A.

AU - Chang, J. F.

AU - Chelkov, G.

AU - Chen, G.

AU - Chen, H. S.

AU - Chen, H. Y.

AU - Chen, J. C.

AU - Chen, M. L.

AU - Chen, S.

AU - Chen, S. J.

AU - Chen, X.

AU - Chen, X. R.

AU - Chen, Y. B.

AU - Cheng, H. P.

AU - Chu, X. K.

AU - Cibinetto, G.

AU - Dai, H. L.

AU - Dai, J. P.

AU - Dbeyssi, A.

AU - Dedovich, D.

AU - Deng, Z. Y.

AU - Denig, A.

AU - Muchnoi, N. Yu

AU - Nikolaev, I. B.

PY - 2017/1/5

Y1 - 2017/1/5

N2 - Based on a sample of 1.31×109 J/ψ events collected with the BESIII detector, an amplitude analysis of the isospin-violating decays η′→π+π-π0 and η′→π0π0π0 is performed. A significant P-wave contribution from η′→ρ±π is observed for the first time in η′→π+π-π0. The branching fraction is determined to be B(η′→ρ±π)=(7.44±0.60±1.26±1.84)×10-4, where the first uncertainty is statistical, the second systematic, and the third model dependent. In addition to the nonresonant S-wave component, there is a significant σ meson component. The branching fractions of the combined S-wave components are determined to be B(η′→π+π-π0)S=(37.63±0.77±2.22±4.48)×10-4 and B(η′→π0π0π0)=(35.22±0.82±2.54)×10-4, respectively. The latter one is consistent with previous BESIII measurements.

AB - Based on a sample of 1.31×109 J/ψ events collected with the BESIII detector, an amplitude analysis of the isospin-violating decays η′→π+π-π0 and η′→π0π0π0 is performed. A significant P-wave contribution from η′→ρ±π is observed for the first time in η′→π+π-π0. The branching fraction is determined to be B(η′→ρ±π)=(7.44±0.60±1.26±1.84)×10-4, where the first uncertainty is statistical, the second systematic, and the third model dependent. In addition to the nonresonant S-wave component, there is a significant σ meson component. The branching fractions of the combined S-wave components are determined to be B(η′→π+π-π0)S=(37.63±0.77±2.22±4.48)×10-4 and B(η′→π0π0π0)=(35.22±0.82±2.54)×10-4, respectively. The latter one is consistent with previous BESIII measurements.

KW - GAMS-4-PI SPECTROMETER

KW - PI 0

UR - http://www.scopus.com/inward/record.url?scp=85009476501&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.118.012001

DO - 10.1103/PhysRevLett.118.012001

M3 - Article

C2 - 28106414

VL - 118

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 1

M1 - 012001

ER -

ID: 10315610