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Observation of an Axial-Vector State in the Study of the Decay ψ(3686)→ϕηη′. / BESIII Collaboration ; Николаев, Иван Борисович; Ачасов, Михаил Николаевич et al.

In: Physical Review Letters, Vol. 134, No. 19, 191901, 12.05.2025.

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

Harvard

BESIII Collaboration, Николаев, ИБ, Ачасов, МН & Мучной, НЮ 2025, 'Observation of an Axial-Vector State in the Study of the Decay ψ(3686)→ϕηη′', Physical Review Letters, vol. 134, no. 19, 191901. https://doi.org/10.1103/PhysRevLett.134.191901

APA

BESIII Collaboration, Николаев, И. Б., Ачасов, М. Н., & Мучной, Н. Ю. (2025). Observation of an Axial-Vector State in the Study of the Decay ψ(3686)→ϕηη′. Physical Review Letters, 134(19), [191901]. https://doi.org/10.1103/PhysRevLett.134.191901

Vancouver

BESIII Collaboration, Николаев ИБ, Ачасов МН, Мучной НЮ. Observation of an Axial-Vector State in the Study of the Decay ψ(3686)→ϕηη′. Physical Review Letters. 2025 May 12;134(19):191901. doi: 10.1103/PhysRevLett.134.191901

Author

BESIII Collaboration ; Николаев, Иван Борисович ; Ачасов, Михаил Николаевич et al. / Observation of an Axial-Vector State in the Study of the Decay ψ(3686)→ϕηη′. In: Physical Review Letters. 2025 ; Vol. 134, No. 19.

BibTeX

@article{c9d9bb799a0b44b3a524f275327d8348,
title = "Observation of an Axial-Vector State in the Study of the Decay ψ(3686)→ϕηη′",
abstract = "Using (Formula presented) (Formula presented) events collected with the BESIII detector at BEPCII, a partial wave analysis of the decay (Formula presented) is performed with the covariant tensor approach. In addition to the established states (Formula presented)) and (Formula presented), an axial-vector state with a mass near (Formula presented) is observed for the first time. Its mass and width are measured to be (Formula presented) and (Formula presented), respectively. The product branching fractions of (Formula presented) and (Formula presented) are determined to be (Formula presented) and (Formula presented), respectively. The branching fraction (Formula presented) is measured for the first time to be ((Formula presented). The first uncertainties are statistical and the second are systematic.",
author = "{BESIII Collaboration} and M. Ablikim and P. Adlarson and O. Afedulidis and X. c. Ai and R. Aliberti and A. Amoroso and Q. An and Y. Bai and O. Bakina and I. Balossino and Y. Ban and H.-R. Bao and V. Batozskaya and K. Begzsuren and N. Berger and M. Berlowski and M. Bertani and D. Bettoni and F. Bianchi and E. Bianco and A. Bortone and R. a. Briere and A. Brueggemann and H. Cai and Николаев, {Иван Борисович} and Ачасов, {Михаил Николаевич} and Мучной, {Николай Юрьевич}",
year = "2025",
month = may,
day = "12",
doi = "10.1103/PhysRevLett.134.191901",
language = "English",
volume = "134",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "19",

}

RIS

TY - JOUR

T1 - Observation of an Axial-Vector State in the Study of the Decay ψ(3686)→ϕηη′

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Adlarson, P.

AU - Afedulidis, O.

AU - Ai, X. c.

AU - Aliberti, R.

AU - Amoroso, A.

AU - An, Q.

AU - Bai, Y.

AU - Bakina, O.

AU - Balossino, I.

AU - Ban, Y.

AU - Bao, H.-R.

AU - Batozskaya, V.

AU - Begzsuren, K.

AU - Berger, N.

AU - Berlowski, M.

AU - Bertani, M.

AU - Bettoni, D.

AU - Bianchi, F.

AU - Bianco, E.

AU - Bortone, A.

AU - Briere, R. a.

AU - Brueggemann, A.

AU - Cai, H.

AU - Николаев, Иван Борисович

AU - Ачасов, Михаил Николаевич

AU - Мучной, Николай Юрьевич

PY - 2025/5/12

Y1 - 2025/5/12

N2 - Using (Formula presented) (Formula presented) events collected with the BESIII detector at BEPCII, a partial wave analysis of the decay (Formula presented) is performed with the covariant tensor approach. In addition to the established states (Formula presented)) and (Formula presented), an axial-vector state with a mass near (Formula presented) is observed for the first time. Its mass and width are measured to be (Formula presented) and (Formula presented), respectively. The product branching fractions of (Formula presented) and (Formula presented) are determined to be (Formula presented) and (Formula presented), respectively. The branching fraction (Formula presented) is measured for the first time to be ((Formula presented). The first uncertainties are statistical and the second are systematic.

AB - Using (Formula presented) (Formula presented) events collected with the BESIII detector at BEPCII, a partial wave analysis of the decay (Formula presented) is performed with the covariant tensor approach. In addition to the established states (Formula presented)) and (Formula presented), an axial-vector state with a mass near (Formula presented) is observed for the first time. Its mass and width are measured to be (Formula presented) and (Formula presented), respectively. The product branching fractions of (Formula presented) and (Formula presented) are determined to be (Formula presented) and (Formula presented), respectively. The branching fraction (Formula presented) is measured for the first time to be ((Formula presented). The first uncertainties are statistical and the second are systematic.

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-105005952745&origin=inward&txGid=a6da21ad8d05cd04afb851d23c9d4024

UR - https://www.mendeley.com/catalogue/d6fd5a76-ca61-39ba-ae93-a88434818ace/

U2 - 10.1103/PhysRevLett.134.191901

DO - 10.1103/PhysRevLett.134.191901

M3 - Article

VL - 134

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 19

M1 - 191901

ER -

ID: 67265450