Search for the rare decay B 0 → J / ψϕ * * Individual groups or members have received support from AvH Foundation (Germany); EPLANET, Marie Sk lodowska-Curie Actions and ERC (European Union); A*MIDEX, ANR, Labex P2IO and OCEVU, and Région Auvergne-Rhône-Alpes (France); Key Research Program of Frontier Sciences of CAS, CAS PIFI, Thousand Talents Program, and Sci. &amp; Tech. Program of Guangzhou (China); RFBR, RSF and Yandex LLC (Russia); GVA, XuntaGal and GENCAT (Spain); the Royal Society and the Leverhulme Trust (United Kingdom)
Creators: name: Aaij, R.
name: Abellán Beteta, C.
name: Ackernley, T.
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Publisher: name: Apollo - University of Cambridge Repository
Year: 2021
Subjects: Paper
Particles and fields
B physics
flavour physics
rare decay
$\omega-\phi $ mixing
branching fraction

description: Abstract: A search for the rare decay is performed using collision data collected with the LHCb dete-ctor at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 fb−1. No significant signal of the decay is observed and an upper limit of at 90% confidence level is set on the branching fraction.