Study of φ →K K ¯ and KS0 - KL0 Asymmetry in the Amplitude Analysis of Ds+ → KS0 KL0 π+ Decays

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Study of φ →K K ¯ and KS0 - KL0 Asymmetry in the Amplitude Analysis of Ds+ → KS0 KL0 π+ Decays. / The BESIII Collaboration ; Ачасов, Михаил Николаевич ; Мучной, Николай Юрьевич и др.

в: Physical Review Letters, Том 135, № 16, 161902, 15.10.2025.

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

BibTeX

@article{7453c52c8b514fe5887ce5eb57d7e17a,

title = "Study of φ →K K ¯ and KS0 - KL0 Asymmetry in the Amplitude Analysis of Ds+ → KS0 KL0 π+ Decays",

abstract = "Using 푒+⁢푒− annihilation data corresponding to a total integrated luminosity of 7.33 fb−1 collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we provide the first amplitude analysis and absolute branching fraction measurement of the hadronic decay 퐷+푠→퐾0푆⁢퐾0퐿⁢휋+. The branching fraction of 퐷+푠→퐾0푆⁢퐾0퐿⁢휋+ is determined to be (1.86±0.0⁢6stat±0.0⁢3syst)%. Combining the ℬ⁡[퐷+푠→휙⁡(→퐾0푆⁢퐾0퐿)⁢휋+] obtained in this Letter and the world average of ℬ⁡[퐷+푠→휙⁡(→퐾+⁢퐾−)⁢휋+], we measure the relative branching fraction ℬ⁡(휙→퐾0푆⁢퐾0퐿)/ℬ⁡(휙→퐾+⁢퐾−)=(0.593±0.02⁢3stat±0.01⁢4syst±0.01⁢6휙⁢휋), where the third error is due to the uncertainty of the ℬ⁡(퐷+푠→휙⁢휋+,휙→퐾+⁢퐾−). Our result deviates from the Particle Data Group value by more than 3⁢휎. Furthermore, the asymmetry of the branching fractions of 퐷+푠→퐾0푆⁢퐾*⁢(892)+ and 퐷+푠→퐾0퐿⁢퐾*⁢(892)+, ({ℬ⁡[퐷+푠→퐾0푆⁢퐾*⁢(892)+]−ℬ⁡[퐷+푠→퐾0퐿⁢퐾*⁢(892)+]}/{ℬ⁡[퐷+푠→퐾0푆⁢퐾*⁢(892)+]+ℬ⁡[퐷+푠→퐾0퐿⁢퐾*⁢(892)+]}), is determined to be (−14.5 ±5.1stat ±1.8syst)%.",

author = "{BESIII Collaboration} and Ачасов, {Михаил Николаевич} 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. 2023YFA1606000 and No. 2023YFA1606704; National Natural Science Foundation of China (NSFC) under Contracts No. 123B2077, No. 12035009, No. 11635010, No. 11735014, No. 11935015, No. 11935016, No. 11935018, No. 12025502, No. 12035013, No. 12061131003, No. 12192260, No. 12192261, No. 12342502, No. 12192262, No. 12192263, No. 12192264, No. 12192265, No. 12221005, No. 12225509, No. 12235017, and 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 Contracts No. U1832207 and No. U2032104; CAS under Contract No. YSBR-101; The Excellent Youth Foundation of Henan Scientific Commitee under Contract No. 242300421044; 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 No. 2021.0174 and 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 and 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 = oct,

day = "15",

doi = "10.1103/6py9-h8qv",

language = "English",

volume = "135",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "16",

}

RIS

TY - JOUR

T1 - Study of φ →K K ¯ and KS0 - KL0 Asymmetry in the Amplitude Analysis of Ds+ → KS0 KL0 π+ Decays

AU - BESIII Collaboration

AU - Ачасов, Михаил Николаевич

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. 2023YFA1606000 and No. 2023YFA1606704; National Natural Science Foundation of China (NSFC) under Contracts No. 123B2077, No. 12035009, No. 11635010, No. 11735014, No. 11935015, No. 11935016, No. 11935018, No. 12025502, No. 12035013, No. 12061131003, No. 12192260, No. 12192261, No. 12342502, No. 12192262, No. 12192263, No. 12192264, No. 12192265, No. 12221005, No. 12225509, No. 12235017, and 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 Contracts No. U1832207 and No. U2032104; CAS under Contract No. YSBR-101; The Excellent Youth Foundation of Henan Scientific Commitee under Contract No. 242300421044; 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 No. 2021.0174 and 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 and 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 - 2025/10/15

Y1 - 2025/10/15

N2 - Using 푒+⁢푒− annihilation data corresponding to a total integrated luminosity of 7.33 fb−1 collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we provide the first amplitude analysis and absolute branching fraction measurement of the hadronic decay 퐷+푠→퐾0푆⁢퐾0퐿⁢휋+. The branching fraction of 퐷+푠→퐾0푆⁢퐾0퐿⁢휋+ is determined to be (1.86±0.0⁢6stat±0.0⁢3syst)%. Combining the ℬ⁡[퐷+푠→휙⁡(→퐾0푆⁢퐾0퐿)⁢휋+] obtained in this Letter and the world average of ℬ⁡[퐷+푠→휙⁡(→퐾+⁢퐾−)⁢휋+], we measure the relative branching fraction ℬ⁡(휙→퐾0푆⁢퐾0퐿)/ℬ⁡(휙→퐾+⁢퐾−)=(0.593±0.02⁢3stat±0.01⁢4syst±0.01⁢6휙⁢휋), where the third error is due to the uncertainty of the ℬ⁡(퐷+푠→휙⁢휋+,휙→퐾+⁢퐾−). Our result deviates from the Particle Data Group value by more than 3⁢휎. Furthermore, the asymmetry of the branching fractions of 퐷+푠→퐾0푆⁢퐾*⁢(892)+ and 퐷+푠→퐾0퐿⁢퐾*⁢(892)+, ({ℬ⁡[퐷+푠→퐾0푆⁢퐾*⁢(892)+]−ℬ⁡[퐷+푠→퐾0퐿⁢퐾*⁢(892)+]}/{ℬ⁡[퐷+푠→퐾0푆⁢퐾*⁢(892)+]+ℬ⁡[퐷+푠→퐾0퐿⁢퐾*⁢(892)+]}), is determined to be (−14.5 ±5.1stat ±1.8syst)%.

AB - Using 푒+⁢푒− annihilation data corresponding to a total integrated luminosity of 7.33 fb−1 collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we provide the first amplitude analysis and absolute branching fraction measurement of the hadronic decay 퐷+푠→퐾0푆⁢퐾0퐿⁢휋+. The branching fraction of 퐷+푠→퐾0푆⁢퐾0퐿⁢휋+ is determined to be (1.86±0.0⁢6stat±0.0⁢3syst)%. Combining the ℬ⁡[퐷+푠→휙⁡(→퐾0푆⁢퐾0퐿)⁢휋+] obtained in this Letter and the world average of ℬ⁡[퐷+푠→휙⁡(→퐾+⁢퐾−)⁢휋+], we measure the relative branching fraction ℬ⁡(휙→퐾0푆⁢퐾0퐿)/ℬ⁡(휙→퐾+⁢퐾−)=(0.593±0.02⁢3stat±0.01⁢4syst±0.01⁢6휙⁢휋), where the third error is due to the uncertainty of the ℬ⁡(퐷+푠→휙⁢휋+,휙→퐾+⁢퐾−). Our result deviates from the Particle Data Group value by more than 3⁢휎. Furthermore, the asymmetry of the branching fractions of 퐷+푠→퐾0푆⁢퐾*⁢(892)+ and 퐷+푠→퐾0퐿⁢퐾*⁢(892)+, ({ℬ⁡[퐷+푠→퐾0푆⁢퐾*⁢(892)+]−ℬ⁡[퐷+푠→퐾0퐿⁢퐾*⁢(892)+]}/{ℬ⁡[퐷+푠→퐾0푆⁢퐾*⁢(892)+]+ℬ⁡[퐷+푠→퐾0퐿⁢퐾*⁢(892)+]}), is determined to be (−14.5 ±5.1stat ±1.8syst)%.

UR - https://www.scopus.com/pages/publications/105020652689

U2 - 10.1103/6py9-h8qv

DO - 10.1103/6py9-h8qv

M3 - Article

C2 - 41172186

VL - 135

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 16

M1 - 161902

ER -

ID: 76217310