Search for CP violation in e + e − → ψ(3770) → D0D0 via D → K0Sπ0

Standard

Search for CP violation in e + e − → ψ(3770) → D0D0 via D → K0Sπ0. / BESIII Collaboration ; Ачасов, Михаил Николаевич ; Мучной, Николай Юрьевич et al.

In: Physical Review D, Vol. 113, No. 3, 032010, 18.02.2026.

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

BibTeX

@article{d32840907efc4cf28280be2b1061901d,

title = "Search for CP violation in e + e − → ψ(3770) → D0D0 via D → K0Sπ0",

abstract = "Utilizing data samples of electron-positron collisions recorded with the BESIII detector at the center of mass energy of 3.773 GeV, corresponding to an integrated luminosity of 20.28 fb−1, we report the first search for the 퐶⁢푃 forbidden process 푒+⁢푒− →휓⁡(3773) →퐷0⁢¯퐷0 →(퐾0푆⁢휋0)⁢(퐾0푆⁢휋0). No significant signal is observed. We set the upper limit on the observed cross section to be 7.37 fb, and the upper limit on the joint branching fraction of the C-odd correlated neutral 퐷 pair ℬ⁡[(퐷0⁢¯퐷0)C−odd→(퐾0푆⁢휋0)⁢(퐾0푆⁢휋0)]",

keywords = "Particle mixing & oscillations, Quantum correlations, foundations & formalism, Rare decays, CP violation",

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, No. 2023YFA1606704; National Natural Science Foundation of China (NSFC) under Contracts No. 11635010, 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; 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 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; Polish National Science Centre under Contract No. 2024/53/B/ST2/00975; Swedish Research Council under Contract No. 2019.04595; U.S. Department of Energy under Contract No. DE-FG02-05ER41374. This work is supported in part by the National Natural Science Foundation of China under Grant No. 12342502.",

year = "2026",

month = feb,

day = "18",

doi = "10.1103/DWLF-F4JN",

language = "English",

volume = "113",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "3",

}

RIS

TY - JOUR

T1 - Search for CP violation in e + e − → ψ(3770) → D0D0 via D → K0Sπ0

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, No. 2023YFA1606704; National Natural Science Foundation of China (NSFC) under Contracts No. 11635010, 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; 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 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; Polish National Science Centre under Contract No. 2024/53/B/ST2/00975; Swedish Research Council under Contract No. 2019.04595; U.S. Department of Energy under Contract No. DE-FG02-05ER41374. This work is supported in part by the National Natural Science Foundation of China under Grant No. 12342502.

PY - 2026/2/18

Y1 - 2026/2/18

N2 - Utilizing data samples of electron-positron collisions recorded with the BESIII detector at the center of mass energy of 3.773 GeV, corresponding to an integrated luminosity of 20.28 fb−1, we report the first search for the 퐶⁢푃 forbidden process 푒+⁢푒− →휓⁡(3773) →퐷0⁢¯퐷0 →(퐾0푆⁢휋0)⁢(퐾0푆⁢휋0). No significant signal is observed. We set the upper limit on the observed cross section to be 7.37 fb, and the upper limit on the joint branching fraction of the C-odd correlated neutral 퐷 pair ℬ⁡[(퐷0⁢¯퐷0)C−odd→(퐾0푆⁢휋0)⁢(퐾0푆⁢휋0)]

AB - Utilizing data samples of electron-positron collisions recorded with the BESIII detector at the center of mass energy of 3.773 GeV, corresponding to an integrated luminosity of 20.28 fb−1, we report the first search for the 퐶⁢푃 forbidden process 푒+⁢푒− →휓⁡(3773) →퐷0⁢¯퐷0 →(퐾0푆⁢휋0)⁢(퐾0푆⁢휋0). No significant signal is observed. We set the upper limit on the observed cross section to be 7.37 fb, and the upper limit on the joint branching fraction of the C-odd correlated neutral 퐷 pair ℬ⁡[(퐷0⁢¯퐷0)C−odd→(퐾0푆⁢휋0)⁢(퐾0푆⁢휋0)]

KW - Particle mixing & oscillations

KW - Quantum correlations, foundations & formalism

KW - Rare decays

KW - CP violation

UR - https://www.scopus.com/pages/publications/105038594747

U2 - 10.1103/DWLF-F4JN

DO - 10.1103/DWLF-F4JN

M3 - Article

VL - 113

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 3

M1 - 032010

ER -

ID: 83326679