Search for D 0 → K S 0 K - e + Μ e , D + → K S 0 K S 0 e + Μ e , and D + → K + K - e + Μ e

Search for D 0 → K S 0 K - e + Îœ e , D + → K S 0 K S 0 e + Îœ e , and D + → K + K - e + Îœ e

A search has been performed for the semileptonic decays D-0 -> (KSK-)-K-0 e(+)nu(e), D+ -> K(S)(0)K(S)(0)e(+)nu(e) and D+ -> K+ K- e(+)nu(e), using 7.9 fb(-1) of e(+)e(-) annihilation data collected at the center-of-mass energy root sp = 3.773 GeV by the BESIII detector operatin...

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Veröffentlicht in:Physical review. D 2024, Vol.109 (7)
Hauptverfasser: Ablikim, M., Adlarson, Patrik, Johansson, Tord, Kupsc, Andrzej, Schönning, Karin, Thorén, V., Wolke, Magnus, Zu, J.
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Sprache:eng
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Zusammenfassung:A search has been performed for the semileptonic decays D-0 -> (KSK-)-K-0 e(+)nu(e), D+ -> K(S)(0)K(S)(0)e(+)nu(e) and D+ -> K+ K- e(+)nu(e), using 7.9 fb(-1) of e(+)e(-) annihilation data collected at the center-of-mass energy root sp = 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 x 10(-5), 1.54 x 10(-5), and 2.10 x 10(-5) for the branching fractions of D-0 -> (KSK-)-K-0 e(+)nu(e), D+ -> K(S)(0)K(S)(0)e(+)nu(e) and D+ -> K+ K- e(+)nu(e), respectively.
ISSN:2470-0029
2470-0010
DOI:10.1103/PhysRevD.109.072003