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Search for the lepton number violation decay ϕ → π+π+e−e− via J / ψ → ϕη *. / BESIII Collaboration ; Мучной, Николай Юрьевич.

In: Chinese Physics C, Vol. 49, No. 4, 043001, 01.04.2025.

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BESIII Collaboration, Мучной НЮ. Search for the lepton number violation decay ϕ → π+π+e−e− via J / ψ → ϕη *. Chinese Physics C. 2025 Apr 1;49(4):043001. doi: 10.1088/1674-1137/ada350

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@article{38acd3c963b64eb6914cc6d929ab8db3,
title = "Search for the lepton number violation decay ϕ → π+π+e−e− via J / ψ → ϕη *",
abstract = "Using an electron-positron collision data sample corresponding to (1.0087\pm0.0044)\times10^{10} J/\psi events collected using the BESIII detector at the BEPCII collider, we firstly search for the lepton number violation decay phi \to \pi^+ \pi^+ e^- e^-J/\psi\to \phi\eta No obviously signals are found. The upper limit on the branching fraction of phi \to \pi^+ \pi^+ e^- e^- 1.3\times10^{-5} at the 90% confidence level.",
author = "{BESIII Collaboration} and {Ablikim 麦}, {M. 迪娜} and Achasov, {M. n.} and P. Adlarson and O. Afedulidis and {Ai 艾}, {X. c. 小聪} and R. Aliberti and A. Amoroso and {An 安}, {M. r. 美儒} and {An 安}, {Q. 琪} and {Bai 白}, {Y. 羽} and O. Bakina and I. Balossino and {Ban 班}, {Y. 勇} and {Bao 包}, {H.-R. 浩然} 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 Briere, {R. a.} and A. Brueggemann and {Cai 蔡}, {H. 浩} and {Cai 蔡}, {X. 啸} and A. Calcaterra and {Cao 曹}, {G. f. 国富} and {Cao 曹}, {N. 宁} and Cetin, {S. a.} and {Chang 常}, {J. f. 劲帆} and {Che 车}, {G. r. 国荣} and {Che 车}, {Y. z. 逾之} and G. Chelkov and {Chen 陈}, {C. 琛} and {Chen 陈}, {Chao 超} and {Chen 陈}, {G. 刚} and {Chen 陈}, {H. s. 和生} and {Chen 陈}, {M. l. 玛丽} and {Chen 陈}, {S. j. 申见} and {Chen 陈}, {S. l. 思璐} and {Chen 陈}, {S. m. 少敏} and {Chen 陈}, {T. 通} and {Chen 陈}, {X. r. 旭荣} and {Chen 陈}, {X. t. 肖婷} and {Chen 陈}, {Y. b. 元柏} and Chen, {Y. q.} and {Chen 陈}, {Z. j. 卓俊} and Nikolaev, {I. b.} and Мучной, {Николай Юрьевич}",
note = "Zhao, M. G. Search for the lepton number violation decay $\phi o \pi^+ \pi^+ e^- e^-$ via $J/\psi o \phi\eta$ / M. G. Zhao // Chinese Physics C. – 2024. – DOI 10.1088/1674-1137/ada350.",
year = "2025",
month = apr,
day = "1",
doi = "10.1088/1674-1137/ada350",
language = "English",
volume = "49",
journal = "Chinese Physics C",
issn = "1674-1137",
publisher = "IOP Publishing Ltd.",
number = "4",

}

RIS

TY - JOUR

T1 - Search for the lepton number violation decay ϕ → π+π+e−e− via J / ψ → ϕη *

AU - BESIII Collaboration

AU - Ablikim 麦, M. 迪娜

AU - Achasov, M. n.

AU - Adlarson, P.

AU - Afedulidis, O.

AU - Ai 艾, X. c. 小聪

AU - Aliberti, R.

AU - Amoroso, A.

AU - An 安, M. r. 美儒

AU - An 安, Q. 琪

AU - Bai 白, Y. 羽

AU - Bakina, O.

AU - Balossino, I.

AU - Ban 班, Y. 勇

AU - Bao 包, H.-R. 浩然

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 蔡, H. 浩

AU - Cai 蔡, X. 啸

AU - Calcaterra, A.

AU - Cao 曹, G. f. 国富

AU - Cao 曹, N. 宁

AU - Cetin, S. a.

AU - Chang 常, J. f. 劲帆

AU - Che 车, G. r. 国荣

AU - Che 车, Y. z. 逾之

AU - Chelkov, G.

AU - Chen 陈, C. 琛

AU - Chen 陈, Chao 超

AU - Chen 陈, G. 刚

AU - Chen 陈, H. s. 和生

AU - Chen 陈, M. l. 玛丽

AU - Chen 陈, S. j. 申见

AU - Chen 陈, S. l. 思璐

AU - Chen 陈, S. m. 少敏

AU - Chen 陈, T. 通

AU - Chen 陈, X. r. 旭荣

AU - Chen 陈, X. t. 肖婷

AU - Chen 陈, Y. b. 元柏

AU - Chen, Y. q.

AU - Chen 陈, Z. j. 卓俊

AU - Nikolaev, I. b.

AU - Мучной, Николай Юрьевич

N1 - Zhao, M. G. Search for the lepton number violation decay $\phi o \pi^+ \pi^+ e^- e^-$ via $J/\psi o \phi\eta$ / M. G. Zhao // Chinese Physics C. – 2024. – DOI 10.1088/1674-1137/ada350.

PY - 2025/4/1

Y1 - 2025/4/1

N2 - Using an electron-positron collision data sample corresponding to (1.0087\pm0.0044)\times10^{10} J/\psi events collected using the BESIII detector at the BEPCII collider, we firstly search for the lepton number violation decay phi \to \pi^+ \pi^+ e^- e^-J/\psi\to \phi\eta No obviously signals are found. The upper limit on the branching fraction of phi \to \pi^+ \pi^+ e^- e^- 1.3\times10^{-5} at the 90% confidence level.

AB - Using an electron-positron collision data sample corresponding to (1.0087\pm0.0044)\times10^{10} J/\psi events collected using the BESIII detector at the BEPCII collider, we firstly search for the lepton number violation decay phi \to \pi^+ \pi^+ e^- e^-J/\psi\to \phi\eta No obviously signals are found. The upper limit on the branching fraction of phi \to \pi^+ \pi^+ e^- e^- 1.3\times10^{-5} at the 90% confidence level.

UR - https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=105000297504&origin=inward

UR - https://elibrary.ru/item.asp?id=80144053

U2 - 10.1088/1674-1137/ada350

DO - 10.1088/1674-1137/ada350

M3 - Article

VL - 49

JO - Chinese Physics C

JF - Chinese Physics C

SN - 1674-1137

IS - 4

M1 - 043001

ER -

ID: 65123643