TY - JOUR
T1 - Measurement of the Branching Fractions B (B0 →p p ¯ p p ¯) and B (Bs0 →p p ¯ p p ¯)
AU - LHCb Collaboration
AU - Bay, A.
AU - Becker, M.
AU - Boyer, A.
AU - Brown, J.
AU - Chadwick, A. J.
AU - Chen, C.
AU - Chen, S.
AU - De Bruyn, K.
AU - Dufour, L.
AU - Fan, Y.
AU - Ferrari, F.
AU - Galati, M. D.
AU - Onderwater, C. J. G.
AU - Pellegrino, A.
AU - Zhou, T.
N1 - Publisher Copyright:
© 2023 CERN. for the LHCb Collaboration. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.
PY - 2023/9/1
Y1 - 2023/9/1
N2 - Searches for the rare hadronic decays B0→pp¯pp¯ and Bs0→pp¯pp¯ are performed using proton-proton collision data recorded by the LHCb experiment and corresponding to an integrated luminosity of 9 fb-1. Significances of 9.3σ and 4.0σ, including statistical and systematic uncertainties, are obtained for the B0→pp¯pp¯ and Bs0→pp¯pp¯ signals, respectively. The branching fractions are measured relative to the topologically similar normalization decays B0→J/ψ(→pp¯)K∗0(→K+π-) and Bs0→J/ψ(→pp¯)φ(→K+K-). The branching fractions are measured to be B(B0→pp¯pp¯)=(2.2±0.4±0.1±0.1)×10-8 and B(Bs0→pp¯pp¯)=(2.3±1.0±0.2±0.1)×10-8. In these measurements, the first uncertainty is statistical, the second is systematic, and the third one is due to the external branching fraction of the normalization channel.
AB - Searches for the rare hadronic decays B0→pp¯pp¯ and Bs0→pp¯pp¯ are performed using proton-proton collision data recorded by the LHCb experiment and corresponding to an integrated luminosity of 9 fb-1. Significances of 9.3σ and 4.0σ, including statistical and systematic uncertainties, are obtained for the B0→pp¯pp¯ and Bs0→pp¯pp¯ signals, respectively. The branching fractions are measured relative to the topologically similar normalization decays B0→J/ψ(→pp¯)K∗0(→K+π-) and Bs0→J/ψ(→pp¯)φ(→K+K-). The branching fractions are measured to be B(B0→pp¯pp¯)=(2.2±0.4±0.1±0.1)×10-8 and B(Bs0→pp¯pp¯)=(2.3±1.0±0.2±0.1)×10-8. In these measurements, the first uncertainty is statistical, the second is systematic, and the third one is due to the external branching fraction of the normalization channel.
UR - http://www.scopus.com/inward/record.url?scp=85171696090&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.131.091901
DO - 10.1103/PhysRevLett.131.091901
M3 - Article
C2 - 37721819
AN - SCOPUS:85171696090
SN - 0031-9007
VL - 131
JO - Physical Review Letters
JF - Physical Review Letters
IS - 9
M1 - 091901
ER -