Search for the radiative decay Ds+→γρ770+

BESIII Collaboration; M. Ablikim; M. N. Achasov; P. Adlarson; X. C. Ai; R. Aliberti; A. Amoroso; N. Kalantar-Nayestanaki; M. Kavatsyuk; J. Messchendorp

doi:10.1007/JHEP11(2024)119

Search for the radiative decay Ds+→γρ770+

BESIII Collaboration, M. Ablikim, M. N. Achasov, P. Adlarson, X. C. Ai, R. Aliberti, A. Amoroso, N. Kalantar-Nayestanaki, M. Kavatsyuk, J. Messchendorp

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Abstract

Using 7.33 fb−1 of e+e− collision data samples collected with the BESIII detector at center-of-mass energies between 4.128 and 4.226 GeV, we search for the radiative decay Ds+→γρ770+ for the first time. A hint of Ds+→γρ770+ is observed with a statistical significance of 2.5σ. The branching fraction of Ds+→γρ770+ is measured to be (2.2 ± 0.9stat. ± 0.2syst.) × 10−4, corresponding to an upper limit of 6.1 × 10−4 at the 90% confidence level.

Original language	English
Article number	119
Number of pages	21
Journal	Journal of High Energy Physics
Volume	2024
Issue number	11
DOIs	https://doi.org/10.1007/JHEP11(2024)119
Publication status	Published - Nov-2024

Keywords

Branching fraction
Charm Physics
e+-e− Experiments
Rare Decay

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@article{870523257b3d40d286cecbf6fd3dfc20,

title = "Search for the radiative decay Ds+→γρ770+",

abstract = "Using 7.33 fb−1 of e+e− collision data samples collected with the BESIII detector at center-of-mass energies between 4.128 and 4.226 GeV, we search for the radiative decay Ds+→γρ770+ for the first time. A hint of Ds+→γρ770+ is observed with a statistical significance of 2.5σ. The branching fraction of Ds+→γρ770+ is measured to be (2.2 ± 0.9stat. ± 0.2syst.) × 10−4, corresponding to an upper limit of 6.1 × 10−4 at the 90% confidence level.",

keywords = "Branching fraction, Charm Physics, e+-e− Experiments, Rare Decay",

author = "{BESIII Collaboration} and M. Ablikim and Achasov, {M. N.} and P. Adlarson and Ai, {X. C.} and R. Aliberti and A. Amoroso and N. Kalantar-Nayestanaki and M. Kavatsyuk and J. Messchendorp",

year = "2024",

month = nov,

doi = "10.1007/JHEP11(2024)119",

language = "English",

volume = "2024",

journal = "Journal of High Energy Physics",

issn = "1126-6708",

publisher = "Springer",

number = "11",

}

TY - JOUR

T1 - Search for the radiative decay Ds+→γρ770+

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Adlarson, P.

AU - Ai, X. C.

AU - Aliberti, R.

AU - Amoroso, A.

AU - Kalantar-Nayestanaki, N.

AU - Kavatsyuk, M.

AU - Messchendorp, J.

PY - 2024/11

Y1 - 2024/11

N2 - Using 7.33 fb−1 of e+e− collision data samples collected with the BESIII detector at center-of-mass energies between 4.128 and 4.226 GeV, we search for the radiative decay Ds+→γρ770+ for the first time. A hint of Ds+→γρ770+ is observed with a statistical significance of 2.5σ. The branching fraction of Ds+→γρ770+ is measured to be (2.2 ± 0.9stat. ± 0.2syst.) × 10−4, corresponding to an upper limit of 6.1 × 10−4 at the 90% confidence level.

AB - Using 7.33 fb−1 of e+e− collision data samples collected with the BESIII detector at center-of-mass energies between 4.128 and 4.226 GeV, we search for the radiative decay Ds+→γρ770+ for the first time. A hint of Ds+→γρ770+ is observed with a statistical significance of 2.5σ. The branching fraction of Ds+→γρ770+ is measured to be (2.2 ± 0.9stat. ± 0.2syst.) × 10−4, corresponding to an upper limit of 6.1 × 10−4 at the 90% confidence level.

KW - Branching fraction

KW - Charm Physics

KW - e+-e− Experiments

KW - Rare Decay

U2 - 10.1007/JHEP11(2024)119

DO - 10.1007/JHEP11(2024)119

M3 - Article

SN - 1126-6708

VL - 2024

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 11

M1 - 119

ER -

Search for the radiative decay Ds+→γρ770+

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