A search has been performed for the semileptonic decays D0→KS0K-e+νe, D+→KS0KS0e+νe, and D+→K+K-e+νe, using 7.9 fb-1 of e+e- annihilation data collected at the center-of-mass energy s=3.773 GeV by the BESIII detector operating at the BEPCII collider. No significant signals are observed, and upper limits are set at the 90% confidence level of 2.13×10-5, 1.54×10-5, and 2.10×10-5 for the branching fractions of D0→KS0K-e+νe, D+→KS0KS0e+νe, and D+→K+K-e+νe, respectively.

Search for D0 → KS0 K-e+νe, D+ → KS0 KS0 e+νe, and D+ →k+K-e+νe

Garzia, I.;Gramigna, S.;
2024

Abstract

A search has been performed for the semileptonic decays D0→KS0K-e+νe, D+→KS0KS0e+νe, and D+→K+K-e+νe, using 7.9 fb-1 of e+e- annihilation data collected at the center-of-mass energy s=3.773 GeV by the BESIII detector operating at the BEPCII collider. No significant signals are observed, and upper limits are set at the 90% confidence level of 2.13×10-5, 1.54×10-5, and 2.10×10-5 for the branching fractions of D0→KS0K-e+νe, D+→KS0KS0e+νe, and D+→K+K-e+νe, respectively.
2024
Ablikim, M.; Achasov, M.  N.; Adlarson, P.; Afedulidis, O.; Ai, X.  C.; Aliberti, R.; Amoroso, A.; An, M.  R.; An, Q.; Bai, Y.; Bakina, O.; Balossino,...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/2557216
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