Research output: Contribution to journal › Article › peer-review
Search for the charmonium weak decays J/ψ→Ds−ρ++c.c. and J/ψ→Ds−π++c.c. / BESIII Collaboration ; Ачасов, Михаил Николаевич; Мучной, Николай Юрьевич et al.
In: Journal of High Energy Physics, Vol. 2025, No. 12, 77, 15.12.2025.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Search for the charmonium weak decays J/ψ→Ds−ρ++c.c. and J/ψ→Ds−π++c.c.
AU - BESIII Collaboration
AU - Ачасов, Михаил Николаевич
AU - Мучной, Николай Юрьевич
AU - Николаев, Иван Борисович
N1 - Search for the charmonium weak decays J/ψ→Ds−ρ++c.c. and J/ψ→Ds−π++c.c. / M. Ablikim, M. N. Achasov, P. Adlarson [et al.] // Journal of High Energy Physics. – 2025. – Vol. 2025. - No. 12. – P. 77. – DOI 10.1007/jhep12(2025)077. – EDN FIYTJC. 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 National Key R&D Program of China under Contracts Nos. 2023YFA1606000, 2023YFA1606704; National Natural Science Foundation of China (NSFC) under Contracts Nos. 11635010, 11935015, 11935016, 11935018, 12025502, 12035009, 12035013, 12061131003, 12192260, 12192261, 12192262, 12192263, 12192264, 12192265, 12221005, 12225509, 12235017, 12361141819; the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; the Strategic Priority Research Program of Chinese Academy of Sciences under Contract No. XDA0480600; 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; Agencia Nacional de Investigación y Desarrollo de Chile (ANID), Chile under Contract No. ANID PIA/APOYO AFB230003; ERC under Contract No. 758462; 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; Polish National Science Centre under Contract No. 2024/53/B/ST2/00975; STFC (United Kingdom); Swedish Research Council under Contract No. 2019.04595; U. S. Department of Energy under Contract No. DE-FG02-05ER41374.
PY - 2025/12/15
Y1 - 2025/12/15
N2 - Based on (10087±44)×106 J/ψ events recorded with the BESIII detector, we search for the rare charmonium weak decays J/ψ → D−s ρ ++c.c. and J/ψ → D−s π ++c.c. No signal is observed, and upper limits on the branching fractions at the 90% confidence level are set as B(J/ψ → D−s ρ+ + c.c.) < 8.0 × 10−7 and B(J/ψ → D−s π+ + c.c.) < 4.1 × 10−7. Our results provide the most stringent experimental constraints on these decays.
AB - Based on (10087±44)×106 J/ψ events recorded with the BESIII detector, we search for the rare charmonium weak decays J/ψ → D−s ρ ++c.c. and J/ψ → D−s π ++c.c. No signal is observed, and upper limits on the branching fractions at the 90% confidence level are set as B(J/ψ → D−s ρ+ + c.c.) < 8.0 × 10−7 and B(J/ψ → D−s π+ + c.c.) < 4.1 × 10−7. Our results provide the most stringent experimental constraints on these decays.
KW - BESIII
KW - charmonium
KW - weak decay
UR - https://www.scopus.com/pages/publications/105027254203
UR - https://elibrary.ru/item.asp?id=88692269
U2 - 10.1007/JHEP12(2025)077
DO - 10.1007/JHEP12(2025)077
M3 - Article
VL - 2025
JO - Journal of High Energy Physics
JF - Journal of High Energy Physics
SN - 1029-8479
IS - 12
M1 - 77
ER -
ID: 75602198