Standard

Observation of e+e− → π0π0ψ2(3823). / BESIII Collaboration ; Мучной, Николай Юрьевич.

In: Journal of High Energy Physics, Vol. 2023, No. 2, 171, 16.02.2023.

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

Harvard

BESIII Collaboration & Мучной, НЮ 2023, 'Observation of e+e− → π0π0ψ2(3823)', Journal of High Energy Physics, vol. 2023, no. 2, 171. https://doi.org/10.1007/JHEP02(2023)171

APA

BESIII Collaboration, & Мучной, Н. Ю. (2023). Observation of e+e− → π0π0ψ2(3823). Journal of High Energy Physics, 2023(2), [171]. https://doi.org/10.1007/JHEP02(2023)171

Vancouver

BESIII Collaboration, Мучной НЮ. Observation of e+e− → π0π0ψ2(3823). Journal of High Energy Physics. 2023 Feb 16;2023(2):171. doi: 10.1007/JHEP02(2023)171

Author

BESIII Collaboration ; Мучной, Николай Юрьевич. / Observation of e+e− → π0π0ψ2(3823). In: Journal of High Energy Physics. 2023 ; Vol. 2023, No. 2.

BibTeX

@article{3842cb50aa7342f3b6ece1ecd25f5e35,
title = "Observation of e+e− → π0π0ψ2(3823)",
abstract = "Using a data sample corresponding to an integrated luminosity of 11.3 fb−1 collected at center-of-mass energies from 4.23 to 4.70 GeV with the BESIII detector, we observe the process e+e− → π0π0ψ2(3823) for the first time with a statistical significance of 6.0 standard deviations. The ratio of average cross sections for e+e− → π0π0ψ2(3823) and π+π−ψ2(3823) is determined to be , which is consistent with expectations from isospin symmetry. Here and below, the first uncertainties are statistical and the second are systematic. The mass of the ψ2(3823) is measured to be M[ψ2(3823)] = 3824.5 ± 2.4 ± 1.0 MeV/c2. Due to the limited data sample, an upper limit of 18.8 MeV at 90% confidence level is set on the intrinsic width of ψ2(3823).",
author = "{BESIII Collaboration} and M. Ablikim and Achasov, {M. n.} and Nikolaev, {I. b.} and Мучной, {Николай Юрьевич}",
note = "Observation of e+e− → π0π0ψ2(3823) / The BESIII collaboration // Journal of High Energy Physics. – 2023. – Vol. 2023, No. 2. – P. 171. – DOI 10.1007/jhep02(2023)171.",
year = "2023",
month = feb,
day = "16",
doi = "10.1007/JHEP02(2023)171",
language = "English",
volume = "2023",
journal = "Journal of High Energy Physics",
issn = "1029-8479",
publisher = "Springer US",
number = "2",

}

RIS

TY - JOUR

T1 - Observation of e+e− → π0π0ψ2(3823)

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M. n.

AU - Nikolaev, I. b.

AU - Мучной, Николай Юрьевич

N1 - Observation of e+e− → π0π0ψ2(3823) / The BESIII collaboration // Journal of High Energy Physics. – 2023. – Vol. 2023, No. 2. – P. 171. – DOI 10.1007/jhep02(2023)171.

PY - 2023/2/16

Y1 - 2023/2/16

N2 - Using a data sample corresponding to an integrated luminosity of 11.3 fb−1 collected at center-of-mass energies from 4.23 to 4.70 GeV with the BESIII detector, we observe the process e+e− → π0π0ψ2(3823) for the first time with a statistical significance of 6.0 standard deviations. The ratio of average cross sections for e+e− → π0π0ψ2(3823) and π+π−ψ2(3823) is determined to be , which is consistent with expectations from isospin symmetry. Here and below, the first uncertainties are statistical and the second are systematic. The mass of the ψ2(3823) is measured to be M[ψ2(3823)] = 3824.5 ± 2.4 ± 1.0 MeV/c2. Due to the limited data sample, an upper limit of 18.8 MeV at 90% confidence level is set on the intrinsic width of ψ2(3823).

AB - Using a data sample corresponding to an integrated luminosity of 11.3 fb−1 collected at center-of-mass energies from 4.23 to 4.70 GeV with the BESIII detector, we observe the process e+e− → π0π0ψ2(3823) for the first time with a statistical significance of 6.0 standard deviations. The ratio of average cross sections for e+e− → π0π0ψ2(3823) and π+π−ψ2(3823) is determined to be , which is consistent with expectations from isospin symmetry. Here and below, the first uncertainties are statistical and the second are systematic. The mass of the ψ2(3823) is measured to be M[ψ2(3823)] = 3824.5 ± 2.4 ± 1.0 MeV/c2. Due to the limited data sample, an upper limit of 18.8 MeV at 90% confidence level is set on the intrinsic width of ψ2(3823).

UR - https://doi.org/10.1007/JHEP02(2023)171

UR - https://elibrary.ru/item.asp?id=60852706

U2 - 10.1007/JHEP02(2023)171

DO - 10.1007/JHEP02(2023)171

M3 - Article

VL - 2023

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1029-8479

IS - 2

M1 - 171

ER -

ID: 68412548