Standard

Observation of a00 (980)-f0 (980) Mixing. / The BELLE collaboration.

In: Physical Review Letters, Vol. 121, No. 2, 022001, 11.07.2018.

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

Harvard

The BELLE collaboration 2018, 'Observation of a00 (980)-f0 (980) Mixing', Physical Review Letters, vol. 121, no. 2, 022001. https://doi.org/10.1103/PhysRevLett.121.022001

APA

The BELLE collaboration (2018). Observation of a00 (980)-f0 (980) Mixing. Physical Review Letters, 121(2), [022001]. https://doi.org/10.1103/PhysRevLett.121.022001

Vancouver

The BELLE collaboration. Observation of a00 (980)-f0 (980) Mixing. Physical Review Letters. 2018 Jul 11;121(2):022001. doi: 10.1103/PhysRevLett.121.022001

Author

The BELLE collaboration. / Observation of a00 (980)-f0 (980) Mixing. In: Physical Review Letters. 2018 ; Vol. 121, No. 2.

BibTeX

@article{b9853d528acd4fcda9dd36741c9eb0c5,
title = "Observation of a00 (980)-f0 (980) Mixing",
abstract = "We report the first observation of a00(980)-f0(980) mixing in the decays of J/ψ→φf0(980)→φa00(980)→φηπ0 and χc1→a00(980)π0→f0(980)π0→π+π-π0, using data samples of 1.31×109 J/ψ events and 4.48×108 ψ(3686) events accumulated with the BESIII detector. The signals of f0(980)→a00(980) and a00(980)→f0(980) mixing are observed at levels of statistical significance of 7.4σ and 5.5σ, respectively. The corresponding branching fractions and mixing intensities are measured and the constraint regions on the coupling constants, ga0K+K- and gf0K+K-, are estimated. The results improve the understanding of the nature of a00(980) and f0(980).",
keywords = "KLOE DETECTOR, DECAY, MESONS",
author = "{The BELLE collaboration} and M. Ablikim and Achasov, {M. N.} and S. Ahmed and M. Albrecht and M. Alekseev and A. Amoroso and An, {F. F.} and Q. An and Bai, {J. Z.} and Y. Bai and O. Bakina and {Baldini Ferroli}, R. and Y. Ban and Bennett, {D. W.} and Bennett, {J. V.} and N. Berger 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 J. Chai and Chang, {J. F.} and G. Chelkov and G. Chen and Chen, {H. S.} and Chen, {J. C.} and Chen, {M. L.} and Chen, {S. J.} and Chen, {X. R.} and Chen, {Y. B.} 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 I. Denysenko and Muchnoi, {N. Yu} and Nikolaev, {I. B.}",
note = "Publisher Copyright: {\textcopyright} 2018 authors. Published by the American Physical Society.",
year = "2018",
month = jul,
day = "11",
doi = "10.1103/PhysRevLett.121.022001",
language = "English",
volume = "121",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "2",

}

RIS

TY - JOUR

T1 - Observation of a00 (980)-f0 (980) Mixing

AU - The BELLE collaboration

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Ahmed, S.

AU - Albrecht, M.

AU - Alekseev, M.

AU - Amoroso, A.

AU - An, F. F.

AU - An, Q.

AU - Bai, J. Z.

AU - Bai, Y.

AU - Bakina, O.

AU - Baldini Ferroli, R.

AU - Ban, Y.

AU - Bennett, D. W.

AU - Bennett, J. V.

AU - Berger, N.

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 - Chai, J.

AU - Chang, J. F.

AU - Chelkov, G.

AU - Chen, G.

AU - Chen, H. S.

AU - Chen, J. C.

AU - Chen, M. L.

AU - Chen, S. J.

AU - Chen, X. R.

AU - Chen, Y. B.

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 - Denysenko, I.

AU - Muchnoi, N. Yu

AU - Nikolaev, I. B.

N1 - Publisher Copyright: © 2018 authors. Published by the American Physical Society.

PY - 2018/7/11

Y1 - 2018/7/11

N2 - We report the first observation of a00(980)-f0(980) mixing in the decays of J/ψ→φf0(980)→φa00(980)→φηπ0 and χc1→a00(980)π0→f0(980)π0→π+π-π0, using data samples of 1.31×109 J/ψ events and 4.48×108 ψ(3686) events accumulated with the BESIII detector. The signals of f0(980)→a00(980) and a00(980)→f0(980) mixing are observed at levels of statistical significance of 7.4σ and 5.5σ, respectively. The corresponding branching fractions and mixing intensities are measured and the constraint regions on the coupling constants, ga0K+K- and gf0K+K-, are estimated. The results improve the understanding of the nature of a00(980) and f0(980).

AB - We report the first observation of a00(980)-f0(980) mixing in the decays of J/ψ→φf0(980)→φa00(980)→φηπ0 and χc1→a00(980)π0→f0(980)π0→π+π-π0, using data samples of 1.31×109 J/ψ events and 4.48×108 ψ(3686) events accumulated with the BESIII detector. The signals of f0(980)→a00(980) and a00(980)→f0(980) mixing are observed at levels of statistical significance of 7.4σ and 5.5σ, respectively. The corresponding branching fractions and mixing intensities are measured and the constraint regions on the coupling constants, ga0K+K- and gf0K+K-, are estimated. The results improve the understanding of the nature of a00(980) and f0(980).

KW - KLOE DETECTOR

KW - DECAY

KW - MESONS

UR - http://www.scopus.com/inward/record.url?scp=85050091087&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.121.022001

DO - 10.1103/PhysRevLett.121.022001

M3 - Article

C2 - 30085761

AN - SCOPUS:85050091087

VL - 121

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 2

M1 - 022001

ER -

ID: 15956114