https://doi.org/10.1103/PhysRevLett.127.211801

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Document Type

Article

Abstract

We report a measurement of the D0 and D+ lifetimes using D0Kπ+ and D+ → Kπ+π+ decays reconstructed in e+e → cc̅ data recorded by the Belle II experiment at the SuperKEKB asymmetricenergy e+e collider. The data, collected at center-of-mass energies at or near the ϒ(4S) resonance, correspond to an integrated luminosity of 72 fb−1. The results, τ(D0) = 410.5 plusmn;1.1(stat) 0.8(syst) fs and τ(D+) = 1030.4 plusmn; 4.7(stat) 3.1(syst) fs, are the most precise to date and are consistent with previous determinations.

Digital Object Identifier (DOI)

https://doi.org/10.1103/PhysRevLett.127.211801

APA Citation

Abudinén, F., Adachi, I., Adamczyk, K., Aggarwal, L., Ahmed, H., Aihara, H., Akopov, N., Aloisio, A., Anh Ky, N., Asner, D. M., Atmacan, H., Aushev, V., Babu, V., Bacher, S., Bae, H., Baehr, S., Bahinipati, S., Bambade, P., Banerjee, Sw., … Žlebčík, R. (2021). Precise measurement of the . Physical Review Letters, 127(21). https://doi.org/10.1103/physrevlett.127.211801

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