Search for ηc(2S)→pp¯K+K− and measurement of χcJ→pp¯K+K− in ψ(3686) radiative decays

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Search for ηc(2S)→pp¯K+K− and measurement of χcJ→pp¯K+K− in ψ(3686) radiative decays. / The BESIII Collaboration ; Мучной, Николай Юрьевич ; Николаев, Иван Борисович.

в: Physical Review D, Том 111, № 7, 072001, 02.04.2025.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

BibTeX

@article{6f4cf5dbb2894f679c296350a6d72464,

title = "Search for ηc(2S)→pp¯K+K− and measurement of χcJ→pp¯K+K− in ψ(3686) radiative decays",

abstract = "A search for 휂푐⁡(2⁢푆)→푝⁢¯푝⁢퐾+⁢퐾−, together with measurement of branching fractions of 휒푐⁢퐽⁡(퐽=0,1,2)→푝⁢¯푝⁢퐾+⁢퐾− in the 휓⁡(3686)→훾⁢휂푐⁡(2⁢푆) and the 휓⁡(3686)→훾⁢휒푐⁢퐽 radiative decays, is performed with (2712.4±14.3)×106 휓⁡(3686) events collected with the BESIII detector at the BEPCII collider. An evidence for 휂푐⁡(2⁢푆)→푝⁢¯푝⁢퐾+⁢퐾− is found, with a significance of 3.3⁢휎. The product branching fraction of ℬ⁡[휓⁡(3686)→훾⁢휂푐⁡(2⁢푆)]·ℬ⁡[휂푐⁡(2⁢푆)→푝⁢¯푝⁢퐾+⁢퐾−] is determined to be (1.98±0.4⁢1stat±0.9⁢9syst)×10−7. The product branching fractions of ℬ⁡[휓⁡(3686)→훾⁢휒푐⁢퐽]·ℬ⁡[휒푐⁢퐽→푝⁢¯푝⁢퐾+⁢퐾−] are measured to be (2.49±0.0⁢3stat±0.1⁢5syst)×10−5, (1.83±0.0⁢2stat±0.1⁢1syst)×10−5, and (2.43±0.0⁢2stat±0.1⁢5syst)×10−5, for 퐽 =0, 1, and 2, respectively.",

author = "{BESIII Collaboration} and M. Ablikim and M. n. Achasov and Мучной, {Николай Юрьевич} and Николаев, {Иван Борисович}",

note = "The BESIII Collaboration thanks the staff of BEPCII 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 No. 2020YFA0406300, No. 2020YFA0406400, No. 2023YFA1606000; National Natural Science Foundation of China (NSFC) under Contracts No. 11635010, No. 11735014, No. 11935015, No. 11935016, No. 11935018, No. 12025502, No. 12035009, No. 12035013, No. 12061131003, No. 12192260, No. 12192261, No. 12192262, No. 12192263, No. 12192264, No. 12192265, No. 12221005, No. 12225509, No. 12235017, No. 12361141819; 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; 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 Contracts No. FOR5327, No. GRK 2149; Istituto Nazionale di Fisica Nucleare, Italy; Knut and Alice Wallenberg Foundation under Contracts No. 2021.0174, No. 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 Contracts No. B16F640076, 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 = apr,

day = "2",

doi = "10.1103/PhysRevD.111.072001",

language = "English",

volume = "111",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "7",

}

RIS

TY - JOUR

T1 - Search for ηc(2S)→pp¯K+K− and measurement of χcJ→pp¯K+K− in ψ(3686) radiative decays

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M. n.

AU - Мучной, Николай Юрьевич

AU - Николаев, Иван Борисович

N1 - The BESIII Collaboration thanks the staff of BEPCII 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 No. 2020YFA0406300, No. 2020YFA0406400, No. 2023YFA1606000; National Natural Science Foundation of China (NSFC) under Contracts No. 11635010, No. 11735014, No. 11935015, No. 11935016, No. 11935018, No. 12025502, No. 12035009, No. 12035013, No. 12061131003, No. 12192260, No. 12192261, No. 12192262, No. 12192263, No. 12192264, No. 12192265, No. 12221005, No. 12225509, No. 12235017, No. 12361141819; 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; 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 Contracts No. FOR5327, No. GRK 2149; Istituto Nazionale di Fisica Nucleare, Italy; Knut and Alice Wallenberg Foundation under Contracts No. 2021.0174, No. 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 Contracts No. B16F640076, 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 - 2025/4/2

Y1 - 2025/4/2

N2 - A search for 휂푐⁡(2⁢푆)→푝⁢¯푝⁢퐾+⁢퐾−, together with measurement of branching fractions of 휒푐⁢퐽⁡(퐽=0,1,2)→푝⁢¯푝⁢퐾+⁢퐾− in the 휓⁡(3686)→훾⁢휂푐⁡(2⁢푆) and the 휓⁡(3686)→훾⁢휒푐⁢퐽 radiative decays, is performed with (2712.4±14.3)×106 휓⁡(3686) events collected with the BESIII detector at the BEPCII collider. An evidence for 휂푐⁡(2⁢푆)→푝⁢¯푝⁢퐾+⁢퐾− is found, with a significance of 3.3⁢휎. The product branching fraction of ℬ⁡[휓⁡(3686)→훾⁢휂푐⁡(2⁢푆)]·ℬ⁡[휂푐⁡(2⁢푆)→푝⁢¯푝⁢퐾+⁢퐾−] is determined to be (1.98±0.4⁢1stat±0.9⁢9syst)×10−7. The product branching fractions of ℬ⁡[휓⁡(3686)→훾⁢휒푐⁢퐽]·ℬ⁡[휒푐⁢퐽→푝⁢¯푝⁢퐾+⁢퐾−] are measured to be (2.49±0.0⁢3stat±0.1⁢5syst)×10−5, (1.83±0.0⁢2stat±0.1⁢1syst)×10−5, and (2.43±0.0⁢2stat±0.1⁢5syst)×10−5, for 퐽 =0, 1, and 2, respectively.

AB - A search for 휂푐⁡(2⁢푆)→푝⁢¯푝⁢퐾+⁢퐾−, together with measurement of branching fractions of 휒푐⁢퐽⁡(퐽=0,1,2)→푝⁢¯푝⁢퐾+⁢퐾− in the 휓⁡(3686)→훾⁢휂푐⁡(2⁢푆) and the 휓⁡(3686)→훾⁢휒푐⁢퐽 radiative decays, is performed with (2712.4±14.3)×106 휓⁡(3686) events collected with the BESIII detector at the BEPCII collider. An evidence for 휂푐⁡(2⁢푆)→푝⁢¯푝⁢퐾+⁢퐾− is found, with a significance of 3.3⁢휎. The product branching fraction of ℬ⁡[휓⁡(3686)→훾⁢휂푐⁡(2⁢푆)]·ℬ⁡[휂푐⁡(2⁢푆)→푝⁢¯푝⁢퐾+⁢퐾−] is determined to be (1.98±0.4⁢1stat±0.9⁢9syst)×10−7. The product branching fractions of ℬ⁡[휓⁡(3686)→훾⁢휒푐⁢퐽]·ℬ⁡[휒푐⁢퐽→푝⁢¯푝⁢퐾+⁢퐾−] are measured to be (2.49±0.0⁢3stat±0.1⁢5syst)×10−5, (1.83±0.0⁢2stat±0.1⁢1syst)×10−5, and (2.43±0.0⁢2stat±0.1⁢5syst)×10−5, for 퐽 =0, 1, and 2, respectively.

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-105001869639&origin=inward&txGid=0f4e038b50181da97887eb34c0ca82cb

U2 - 10.1103/PhysRevD.111.072001

DO - 10.1103/PhysRevD.111.072001

M3 - Article

VL - 111

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 7

M1 - 072001

ER -

ID: 65194870