Search for the Rare Decays $J/\psi \to D_{S}^{-} \pi^{+}$, $J/\psi \to D^{-} \pi^{+}$, and $J/\psi \to \bar D^{0} \bar K^{0}$

BES Collaboration

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Search for the Rare Decays $J/\psi \to D_{S}^{-} \pi^{+}$, $J/\psi \to D^{-} \pi^{+}$, and $J/\psi \to \bar D^{0} \bar K^{0}$

BES collaboration

High Energy Physics - Experiment · Submitted 20 Jul 2007

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim We present upper limits on the branching fractions $B(J/\psi \to D_{S}^{-} \pi^{+})$ $<$ 1.4$\times10^{-4}$, $B(J/\psi \to D^{-} \pi^{+})$ $<7.5\times10^{-5}$, and $B(J/\psi \to \bar D^{0} \bar K^{0})$ $<$ 1.7$\times10^{-4}$ at the 90% confidence level.

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arXiv ID0707.3005 (version 1)

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CitationBES Collaboration. "Search for the Rare Decays $J/\psi \to D_{S}^{-} \pi^{+}$, $J/\psi \to D^{-} \pi^{+}$, and $J/\psi \to \bar D^{0} \bar K^{0}$." arXiv:0707.3005 (2007). https://pith.science/paper/BJDJOTYJ

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What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.71 · human participants 0.01 · controlled comparison 0.09 · randomized assignment 0.01 · states quantitative result 0.99 · compares with prior results 0.05 · mentions code or data availability 0.02.

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Rare decay modes $J/\psi \to D_{S}^{-} \pi^{+} + c.c.$, $J/\psi \to D^{-} \pi^{+} + c.c.$, and $J/\psi \to \bar D^{0} \bar K^{0} + c.c.$ are searched for using 5.77$\times 10^{7}$ $J/\psi$ events collected with the BESII detector at the BEPC. No signal above background is observed. We present upper limits on the branching fractions $B(J/\psi \to D_{S}^{-} \pi^{+})$ $<$ 1.4$\times10^{-4}$, $B(J/\psi \to D^{-} \pi^{+})$ $<7.5\times10^{-5}$, and $B(J/\psi \to \bar D^{0} \bar K^{0})$ $<$ 1.7$\times10^{-4}$ at the 90% confidence level.

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What the classifier reports for each sentence. The number is the probability it gave the label.
#	sentence	role	the authors' own work	states the main conclusion	strength
s0	Rare decay modes $J/\psi \to D_{S}^{-} \pi^{+} + c.c.$, $J/\psi \to D^{-} \pi^{+} + c.c.$, and $J/\psi \to \bar D^{0} \bar K^{0} + c.c.$ are searched for using 5.77$\times 10^{7}$ $J/\psi$ events collected with the BESII detector at the BEPC.	contribution 0.55	0.96	0.04	asserted 0.97
s1	No signal above background is observed.	result 1.00	0.95	0.39	asserted 1.00
s2	We present upper limits on the branching fractions $B(J/\psi \to D_{S}^{-} \pi^{+})$ $<$ 1.4$\times10^{-4}$, $B(J/\psi \to D^{-} \pi^{+})$ $<7.5\times10^{-5}$, and $B(J/\psi \to \bar D^{0} \bar K^{0})$ $<$ 1.7$\times10^{-4}$ at the 90% confidence level.	result 1.00	0.96	0.88	asserted 1.00

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Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

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Original abstract

Rare decay modes $J/\psi \to D_{S}^{-} \pi^{+} + c.c.$, $J/\psi \to D^{-} \pi^{+} + c.c.$, and $J/\psi \to \bar D^{0} \bar K^{0} + c.c.$ are searched for using 5.77$\times 10^{7}$ $J/\psi$ events collected with the BESII detector at the BEPC. No signal above background is observed. We present upper limits on the branching fractions $B(J/\psi \to D_{S}^{-} \pi^{+})$ $<$ 1.4$\times10^{-4}$, $B(J/\psi \to D^{-} \pi^{+})$ $<7.5\times10^{-5}$, and $B(J/\psi \to \bar D^{0} \bar K^{0})$ $<$ 1.7$\times10^{-4}$ at the 90% confidence level.

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References

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4 arXiv papers cite this in 7 sentences

Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

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Uses its data or values 1 paper

Here, we also note that the detection efficiency $ε_K^0_L$ is at the level of $10^-3$ at BESIII [ref] , so the $K_S^0-K_L^0$ asymmetry can be observed in the decays with $N_K^0_S-K^0_L^K^∗(or N_K^0_S-K^0_L^K̅^∗)$ is larger than $10^4 ×ε_K^0_L$.

Study of CP violation and CPT violation in $K^{\ast}(892)\rightarrow K_{S,L}^{0}\pi$ decays at BESIII · Introduction · 0.92

Compares with it 1 paper

In Tables [ref] and [ref], we list the branching ratios of the nonleptonic decays $η_c(1S,2S)→D_(s)M$ and $ψ(1S,2S)→D_(s)M$, including the values obtained from Refs. [ref] and BESIII collaboration [ref] for comparison, where the uncertainties of our results arise from the full widths of the charmonia $η_c(1S,2S), ψ(1S,2S)$, the decay constants of the initial and final state mesons, respectively.

Semileptonic and nonleptonic weak decays of $\psi(1S,2S)$ and $\eta_{c}(1S,2S)$ to $D_{(s)}$ in the covariant light-front approach · Nonleptonic decays · 0.99

Cites it as background 1 paper

Recently, due to remarkable improvements of experimental instruments and techniques people turn their interests onto these rare processes from both experiment [ref] and theory [ref] sides.

Weak decays of $J/\psi$: the non-leptonic case · Introduction · 0.85

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