2026-04-17T19:29:23Zhttps://recercat.cat/oai/requestoai:recercat.cat:2445/1315192025-12-05T16:51:08Zcom_2072_1057col_2072_478823col_2072_478917
RECERCAT
author
Garra Ticó, Jordi
author
Graugés Pous, Eugeni
author
BABAR Collaboration
2019-04-05T10:23:21Z2019-04-05T10:23:21Z2008-07-152019-04-05T10:23:21Z
Using 230 × 10 6 B ¯¯¯ B events recorded with the BABAR detector at the e + e − storage rings PEP-II, we reconstruct approximately 4100 B 0 → J / ψ K + π − and 9930 B + → J / ψ K + decays with J / ψ → μ + μ − and e + e − . From the measured B -momentum distributions in the e + e − rest frame, we determine the mass difference m ( B 0 ) − m ( B + ) = ( + 0.33 ± 0.05 ± 0.03 ) MeV / c 2 .
(c) American Physical Society, 2008 info:eu-repo/semantics/openAccess
Física de partícules
Experiments
Particle physics
Experiments
Measurement of the Mass Difference m(B0) - m(B+)
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion