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Measurement of the Born cross section for e+e−→pK−K−Ξ¯+ at s=3.5–4.9 GeV. / BESIII Collaboration ; Ачасов, Михаил Николаевич; Мучной, Николай Юрьевич et al.

In: Journal of High Energy Physics, Vol. 2025, No. 11, 111, 19.11.2025.

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BESIII Collaboration, Ачасов МН, Мучной НЮ, Николаев ИБ. Measurement of the Born cross section for e+e−→pK−K−Ξ¯+ at s=3.5–4.9 GeV. Journal of High Energy Physics. 2025 Nov 19;2025(11):111. doi: 10.1007/JHEP11(2025)111

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@article{474f068e00ba4d5093195c773a37b018,
title = "Measurement of the Born cross section for e+e−→pK−K−Ξ¯+ at s=3.5–4.9 GeV",
abstract = "Using e+e− collision data corresponding to a total integrated luminosity of 20 fb−1 collected with the BESIII detector at the BEPCII collider, we present a measurement of the Born cross section for the process e+e−→pK−K−Ξ¯+ at 39 center-of-mass energies between 3.5 and 4.9 GeV with a partial reconstruction technique. By performing a fit to the dressed cross section of e+e−→pK−K−Ξ¯+ with a power law function for continuum production and one resonance at a time for the ψ(3770), ψ(4040), ψ(4160), ψ(4230), ψ(4360), ψ(4415) or ψ(4660), respectively, the upper limits for the product of partial electronic width and branching fraction into the final state pK−K−Ξ¯+ for these resonances are determined at the 90% confidence level.",
keywords = "e +-e − Experiments, Particle and Resonance Production, Branching fraction, QCD",
author = "{BESIII Collaboration} and Ачасов, {Михаил Николаевич} and Мучной, {Николай Юрьевич} and Николаев, {Иван Борисович}",
note = "Measurement of the Born cross section for e+e−→pK−K−Ξ¯+ at s=3.5–4.9 GeV / M. Ablikim, M. N. Achasov, P. Adlarson [et al.] // Journal of High Energy Physics. – 2025. – Vol. 2025. - No. 11. – P. 111. – DOI 10.1007/jhep11(2025)111. – EDN DAWPCP. 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 the Fundamental Research Funds for the Central Universities Nos. lzujbky-2025-ytA05, lzujbky-2025-it06, lzujbky-2024-jdzx06; National Key R&D Program of China under Contracts Nos. 2023YFA1606000, 2023YFA1606704; National Natural Science Foundation of China (NSFC) under Contracts Nos. 12247101, 11635010, 11735014, 11935015, 11935016, 11935018, 12025502, 12035009, 12035013, 12061131003, 12192260, 12192261, 12192262, 12192263, 12192264, 12192265, 12221005, 12225509, 12235017, 12361141819; the Natural Science Foundation of Gansu Province Nos. 22JR5RA389, 25JRRA799; the {\textquoteleft}111 Center{\textquoteright} under Grant No. B20063; the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; the CAS Center for Excellence in Particle Physics (CCEPP); Joint Large-Scale Scientific Facility Funds of the NSFC and CAS under Contract No. U1832207; 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; 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; National Science Research and Innovation Fund (NSRF) via the Program Management Unit for Human Resources & Institutional Development, Research and Innovation of Thailand under Contract No. B50G670107; Polish National Science Centre under Contract No. 2019/35/O/ST2/02907; Swedish Research Council under Contract No. 2019.04595; The Swedish Foundation for International Cooperation in Research and Higher Education under Contract No. CH2018-7756; U.S. Department of Energy under Contract No. DE-FG02-05ER41374.",
year = "2025",
month = nov,
day = "19",
doi = "10.1007/JHEP11(2025)111",
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 Born cross section for e+e−→pK−K−Ξ¯+ at s=3.5–4.9 GeV

AU - BESIII Collaboration

AU - Ачасов, Михаил Николаевич

AU - Мучной, Николай Юрьевич

AU - Николаев, Иван Борисович

N1 - Measurement of the Born cross section for e+e−→pK−K−Ξ¯+ at s=3.5–4.9 GeV / M. Ablikim, M. N. Achasov, P. Adlarson [et al.] // Journal of High Energy Physics. – 2025. – Vol. 2025. - No. 11. – P. 111. – DOI 10.1007/jhep11(2025)111. – EDN DAWPCP. 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 the Fundamental Research Funds for the Central Universities Nos. lzujbky-2025-ytA05, lzujbky-2025-it06, lzujbky-2024-jdzx06; National Key R&D Program of China under Contracts Nos. 2023YFA1606000, 2023YFA1606704; National Natural Science Foundation of China (NSFC) under Contracts Nos. 12247101, 11635010, 11735014, 11935015, 11935016, 11935018, 12025502, 12035009, 12035013, 12061131003, 12192260, 12192261, 12192262, 12192263, 12192264, 12192265, 12221005, 12225509, 12235017, 12361141819; the Natural Science Foundation of Gansu Province Nos. 22JR5RA389, 25JRRA799; the ‘111 Center’ under Grant No. B20063; the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; the CAS Center for Excellence in Particle Physics (CCEPP); Joint Large-Scale Scientific Facility Funds of the NSFC and CAS under Contract No. U1832207; 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; 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; National Science Research and Innovation Fund (NSRF) via the Program Management Unit for Human Resources & Institutional Development, Research and Innovation of Thailand under Contract No. B50G670107; Polish National Science Centre under Contract No. 2019/35/O/ST2/02907; Swedish Research Council under Contract No. 2019.04595; The Swedish Foundation for International Cooperation in Research and Higher Education under Contract No. CH2018-7756; U.S. Department of Energy under Contract No. DE-FG02-05ER41374.

PY - 2025/11/19

Y1 - 2025/11/19

N2 - Using e+e− collision data corresponding to a total integrated luminosity of 20 fb−1 collected with the BESIII detector at the BEPCII collider, we present a measurement of the Born cross section for the process e+e−→pK−K−Ξ¯+ at 39 center-of-mass energies between 3.5 and 4.9 GeV with a partial reconstruction technique. By performing a fit to the dressed cross section of e+e−→pK−K−Ξ¯+ with a power law function for continuum production and one resonance at a time for the ψ(3770), ψ(4040), ψ(4160), ψ(4230), ψ(4360), ψ(4415) or ψ(4660), respectively, the upper limits for the product of partial electronic width and branching fraction into the final state pK−K−Ξ¯+ for these resonances are determined at the 90% confidence level.

AB - Using e+e− collision data corresponding to a total integrated luminosity of 20 fb−1 collected with the BESIII detector at the BEPCII collider, we present a measurement of the Born cross section for the process e+e−→pK−K−Ξ¯+ at 39 center-of-mass energies between 3.5 and 4.9 GeV with a partial reconstruction technique. By performing a fit to the dressed cross section of e+e−→pK−K−Ξ¯+ with a power law function for continuum production and one resonance at a time for the ψ(3770), ψ(4040), ψ(4160), ψ(4230), ψ(4360), ψ(4415) or ψ(4660), respectively, the upper limits for the product of partial electronic width and branching fraction into the final state pK−K−Ξ¯+ for these resonances are determined at the 90% confidence level.

KW - e +-e − Experiments

KW - Particle and Resonance Production

KW - Branching fraction

KW - QCD

UR - https://www.scopus.com/pages/publications/105026877674

UR - https://elibrary.ru/item.asp?id=88278534

U2 - 10.1007/JHEP11(2025)111

DO - 10.1007/JHEP11(2025)111

M3 - Article

VL - 2025

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1029-8479

IS - 11

M1 - 111

ER -

ID: 75603172