Using a proton–proton collision data sample collected by the LHCb detector and corresponding to an integrated luminosity of 5.7fb-1 , the lifetime of the light Bs0 mass eigenstate, τL , is measured using the Bs0→J/ψη decay mode to be τL=1.445±0.016(stat)±0.008(syst)ps. A combination of this result with a previous LHCb analysis using an independent dataset corresponding to 3 fb - 1 of integrated luminosity gives τL=1.452±0.014±0.007±0.002ps, where the first uncertainty is statistical, the second due to the uncorrelated part of the systematic uncertainty and the third due to the correlated part of the systematic uncertainty. © 2023, The Author(s).

Aaij, R., Abdelmotteleb, A., Beteta, C.a., Abudinén, F., Ackernley, T., Adeva, B., et al. (2023). Measurement of τL using the Bs0→J/ψη decay mode. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 83(7) [10.1140/epjc/s10052-023-11634-4].

Measurement of τL using the Bs0→J/ψη decay mode

Archilli, F.;Santovetti, E.;
2023-07-17

Abstract

Using a proton–proton collision data sample collected by the LHCb detector and corresponding to an integrated luminosity of 5.7fb-1 , the lifetime of the light Bs0 mass eigenstate, τL , is measured using the Bs0→J/ψη decay mode to be τL=1.445±0.016(stat)±0.008(syst)ps. A combination of this result with a previous LHCb analysis using an independent dataset corresponding to 3 fb - 1 of integrated luminosity gives τL=1.452±0.014±0.007±0.002ps, where the first uncertainty is statistical, the second due to the uncorrelated part of the systematic uncertainty and the third due to the correlated part of the systematic uncertainty. © 2023, The Author(s).
17-lug-2023
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore FIS/01
English
Con Impact Factor ISI
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85165298951&doi=10.1140/epjc/s10052-023-11634-4&partnerID=40&md5=88d5e8ce450c67ec549b9da018683b74
Aaij, R., Abdelmotteleb, A., Beteta, C.a., Abudinén, F., Ackernley, T., Adeva, B., et al. (2023). Measurement of τL using the Bs0→J/ψη decay mode. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 83(7) [10.1140/epjc/s10052-023-11634-4].
Aaij, R; Abdelmotteleb, Asw; Beteta, Ca; Abudinén, F; Ackernley, T; Adeva, B; Adinolfi, M; Afsharnia, H; Agapopoulou, C; Aidala, Ca; Aiola, S; Ajalto...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/350550
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