Measurement of the branching fraction of D + → τ + ν τ

Measurement of the branching fraction of D + → τ + ν τ

By analyzing e+e− collision data with an integrated luminosity of 7.9 fb−1 collected with the BESIII detector at the center-of-mass energy of 3.773 GeV, the branching fraction of D+→ τ+ντ is determined as B = (9.9 ± 1.1stat± 0.5syst) × 10−4. Using the most precise result B(D+→ μ+νμ) = (3.981 ± 0.079...

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Bibliographic Details
Main Authors: Ablikim, M, Achasov, MN, Adlarson, P, Afedulidis, O, Ai, XC, Aliberti, R, Amoroso, A, Bai, Y, Bakina, O, Balossino, I, Ban, Y, Bao, H, Batozskaya, V, Begzsuren, K, Berger, N, Berlowski, M, Bertani, M, Bettoni, D, Bianchi, F, Bianco, E, Bortone, A, Boyko, I, Briere, RA, Brueggemann, A, Gilman, A, MacKay, I, Malde, S, Tat, M, Wilkinson, G
Format: Journal article
Language:English
Published: Springer 2025

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