Standard

Measurement of the phase between strong and electromagnetic amplitudes in the decay J/ψ → ϕη. / BESIII Collaboration ; Ачасов, Михаил Николаевич; Мучной, Николай Юрьевич et al.

In: Journal of High Energy Physics, Vol. 2025, No. 11, 77, 13.11.2025.

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

Harvard

BESIII Collaboration, Ачасов, МН, Мучной, НЮ & Николаев, ИБ 2025, 'Measurement of the phase between strong and electromagnetic amplitudes in the decay J/ψ → ϕη', Journal of High Energy Physics, vol. 2025, no. 11, 77. https://doi.org/10.1007/JHEP11(2025)077

APA

BESIII Collaboration, Ачасов, М. Н., Мучной, Н. Ю., & Николаев, И. Б. (2025). Measurement of the phase between strong and electromagnetic amplitudes in the decay J/ψ → ϕη. Journal of High Energy Physics, 2025(11), [77]. https://doi.org/10.1007/JHEP11(2025)077

Vancouver

BESIII Collaboration, Ачасов МН, Мучной НЮ, Николаев ИБ. Measurement of the phase between strong and electromagnetic amplitudes in the decay J/ψ → ϕη. Journal of High Energy Physics. 2025 Nov 13;2025(11):77. doi: 10.1007/JHEP11(2025)077

Author

BESIII Collaboration ; Ачасов, Михаил Николаевич ; Мучной, Николай Юрьевич et al. / Measurement of the phase between strong and electromagnetic amplitudes in the decay J/ψ → ϕη. In: Journal of High Energy Physics. 2025 ; Vol. 2025, No. 11.

BibTeX

@article{6c1211edd4f244b883cf8bb0e73713c9,
title = "Measurement of the phase between strong and electromagnetic amplitudes in the decay J/ψ → ϕη",
abstract = "The first direct measurement of the relative phase between the strong and electromagnetic amplitudes for a J/ψ decaying into a vector-pseudoscalar final state is performed using 26 energy points of e+e− annihilation data between 3.00 GeV and 3.12 GeV. The data sets were collected by the BESIII detector with a total integrated luminosity of 452 pb−1. By investigating the interference pattern in the cross section lineshape of e+e− → ϕη, the relative phase between the strong and electromagnetic amplitudes of J/ψ decay is determined to be within [133°, 228°] at 68% confidence level.",
keywords = "e +-e − Experiments, Particle and Resonance Production, QCD",
author = "{BESIII Collaboration} and Ачасов, {Михаил Николаевич} and Мучной, {Николай Юрьевич} and Николаев, {Иван Борисович}",
note = "Measurement of the phase between strong and electromagnetic amplitudes in the decay J/ψ → ϕη / M. Ablikim, M. N. Achasov, P. Adlarson [et al.] // Journal of High Energy Physics. – 2025. – Vol. 2025. - No. 11. – P. 77. – DOI 10.1007/jhep11(2025)077. – EDN YEXYHX. The BESIII Collaboration thanks the staff of BEPCII https://cstr.cn/31109.02.BEPC) and the IHEP computing center for their strong support. This work is supported in part by National Key R&D Program of China under Contracts Nos. 2023YFA1606000, 2023YFA1606704; National Natural Science Foundation of China (NSFC) under Contracts Nos. 11635010, 11935015, 11935016, 11935018, 12025502, 12035009, 12035013, 12061131003, 12192260, 12192261, 12192262, 12192263, 12192264, 12192265, 12221005, 12225509, 12235017, 12361141819; the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; the Strategic Priority Research Program of Chinese Academy of Sciences under Contract No. XDA0480600; CAS under Contract No. YSBR-101; 100 Talents Program of CAS; The Institute of Nuclear and Particle Physics (INPAC) and Shanghai Key Laboratory for Particle Physics and Cosmology; Agencia Nacional de Investigaci{\'o}n y Desarrollo de Chile (ANID), Chile under Contract No. ANID PIA/APOYO AFB230003; ERC under Contract No. 758462; German Research Foundation DFG under Contract No. FOR5327; Istituto Nazionale di Fisica Nucleare, Italy; Knut and Alice Wallenberg Foundation under Contracts Nos. 2021.0174, 2021.0299; Ministry of Development of Turkey under Contract No. DPT2006K-120470; National Research Foundation of Korea under Contract No. NRF-2022R1A2C1092335; National Science and Technology fund of Mongolia; Polish National Science Centre under Contract No. 2024/53/B/ST2/00975; STFC (United Kingdom); Swedish Research Council under Contract No. 2019.04595; U. S. Department of Energy under Contract No. DE-FG02-05ER41374.",
year = "2025",
month = nov,
day = "13",
doi = "10.1007/JHEP11(2025)077",
language = "English",
volume = "2025",
journal = "Journal of High Energy Physics",
issn = "1029-8479",
publisher = "Springer US",
number = "11",

}

RIS

TY - JOUR

T1 - Measurement of the phase between strong and electromagnetic amplitudes in the decay J/ψ → ϕη

AU - BESIII Collaboration

AU - Ачасов, Михаил Николаевич

AU - Мучной, Николай Юрьевич

AU - Николаев, Иван Борисович

N1 - Measurement of the phase between strong and electromagnetic amplitudes in the decay J/ψ → ϕη / M. Ablikim, M. N. Achasov, P. Adlarson [et al.] // Journal of High Energy Physics. – 2025. – Vol. 2025. - No. 11. – P. 77. – DOI 10.1007/jhep11(2025)077. – EDN YEXYHX. The BESIII Collaboration thanks the staff of BEPCII https://cstr.cn/31109.02.BEPC) and the IHEP computing center for their strong support. This work is supported in part by National Key R&D Program of China under Contracts Nos. 2023YFA1606000, 2023YFA1606704; National Natural Science Foundation of China (NSFC) under Contracts Nos. 11635010, 11935015, 11935016, 11935018, 12025502, 12035009, 12035013, 12061131003, 12192260, 12192261, 12192262, 12192263, 12192264, 12192265, 12221005, 12225509, 12235017, 12361141819; the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; the Strategic Priority Research Program of Chinese Academy of Sciences under Contract No. XDA0480600; CAS under Contract No. YSBR-101; 100 Talents Program of CAS; The Institute of Nuclear and Particle Physics (INPAC) and Shanghai Key Laboratory for Particle Physics and Cosmology; Agencia Nacional de Investigación y Desarrollo de Chile (ANID), Chile under Contract No. ANID PIA/APOYO AFB230003; ERC under Contract No. 758462; German Research Foundation DFG under Contract No. FOR5327; Istituto Nazionale di Fisica Nucleare, Italy; Knut and Alice Wallenberg Foundation under Contracts Nos. 2021.0174, 2021.0299; Ministry of Development of Turkey under Contract No. DPT2006K-120470; National Research Foundation of Korea under Contract No. NRF-2022R1A2C1092335; National Science and Technology fund of Mongolia; Polish National Science Centre under Contract No. 2024/53/B/ST2/00975; STFC (United Kingdom); Swedish Research Council under Contract No. 2019.04595; U. S. Department of Energy under Contract No. DE-FG02-05ER41374.

PY - 2025/11/13

Y1 - 2025/11/13

N2 - The first direct measurement of the relative phase between the strong and electromagnetic amplitudes for a J/ψ decaying into a vector-pseudoscalar final state is performed using 26 energy points of e+e− annihilation data between 3.00 GeV and 3.12 GeV. The data sets were collected by the BESIII detector with a total integrated luminosity of 452 pb−1. By investigating the interference pattern in the cross section lineshape of e+e− → ϕη, the relative phase between the strong and electromagnetic amplitudes of J/ψ decay is determined to be within [133°, 228°] at 68% confidence level.

AB - The first direct measurement of the relative phase between the strong and electromagnetic amplitudes for a J/ψ decaying into a vector-pseudoscalar final state is performed using 26 energy points of e+e− annihilation data between 3.00 GeV and 3.12 GeV. The data sets were collected by the BESIII detector with a total integrated luminosity of 452 pb−1. By investigating the interference pattern in the cross section lineshape of e+e− → ϕη, the relative phase between the strong and electromagnetic amplitudes of J/ψ decay is determined to be within [133°, 228°] at 68% confidence level.

KW - e +-e − Experiments

KW - Particle and Resonance Production

KW - QCD

UR - https://www.scopus.com/pages/publications/105023225029

UR - https://elibrary.ru/item.asp?id=88164107

U2 - 10.1007/JHEP11(2025)077

DO - 10.1007/JHEP11(2025)077

M3 - Article

VL - 2025

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1029-8479

IS - 11

M1 - 77

ER -

ID: 75602973