Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 12, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP12(2021)117
Keywords
B physics; Branching fraction; Flavor physics; Hadron-Hadron scattering (experiments)
Categories
Funding
- CAPES (Brazil)
- CNPq (Brazil)
- FAPERJ (Brazil)
- FINEP (Brazil)
- MOST (China)
- NSFC (China)
- CNRS/IN2P3 (France)
- BMBF (Germany)
- DFG (Germany)
- MPG (Germany)
- INFN (Italy)
- NWO (Netherlands)
- MNiSW (Poland)
- NCN (Poland)
- MEN/IFA (Romania)
- MSHE (Russia)
- MICINN (Spain)
- SNSF (Switzerland)
- SER (Switzerland)
- NASU (Ukraine)
- STFC (United Kingdom)
- DOE NP (U.S.A.)
- NSF (U.S.A.)
- ARC (Australia)
- ARDC (Australia)
- AvH Foundation (Germany)
- EPLANET
- Marie Sklodowska-Curie Actions
- ERC (European Union)
- A*MIDEX (France)
- ANR (France)
- IPhU (France)
- Labex P2IO (France)
- Region AuvergneRhone-Alpes (France)
- Key Research Program of Frontier Sciences of CAS (China)
- CAS PIFI (China)
- CAS CCEPP (China)
- Fundamental Research Funds for the Central Universities (China)
- Sci. & Tech. Program of Guangzhou (China)
- RFBR(Russia)
- RSF (Russia)
- Yandex LLC (Russia)
- GVA (Spain)
- XuntaGal (Spain)
- GENCAT (Spain)
- Leverhulme Trust (United Kingdom)
- Royal Society (United Kingdom)
- UKRI (United Kingdom)
- Science and Technology Facilities Council [ST/S000879/1] Funding Source: researchfish
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An analysis of data from the LHCb experiment has been conducted to search for D-(s)(()*())+ ((D) over bar)(*)0 decays, revealing an excess with a significance of 3.4 standard deviations for the decay B-c(+) -> D-s(+)(D) over bar (0) among sixteen B-c(+) decay modes.
A data set corresponding to an integrated luminosity of 9 fb(-1) of proton-proton collisions collected by the LHCb experiment has been analysed to search for D-(s)(()*())+ ((D) over bar)(*)0 decays. The decays are fully or partially reconstructed, where one or two (8) missing neutral pions or photons from the decay of an excited charm meson are allowed. Upper limits for the branching fractions, normalised to B+ decays to final states with similar topologies, are obtained for sixteen B-c(+) decay modes. For the decay B-c(+) -> D-s(+)(D) over bar (0), an excess with a significance of 3.4 standard deviations is found.
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