期刊
JOURNAL OF INSTRUMENTATION
卷 17, 期 2, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1748-0221/17/02/P02028
关键词
Analysis and statistical methods; Pattern recognition; cluster finding; calibration and fitting methods; Performance of High Energy Physics Detectors
资金
- CAPES (Brazil)
- CNPq (Brazil)
- FAPERJ (Brazil)
- FINEP (Brazil)
- MOST (China)
- NSFC (China)
- CNRS/IN2P3 (France)
- BMBF (Germany)
- MPG (Germany)
- NWO (Netherlands)
- MNiSW (Poland)
- NCN (Poland)
- MEN/IFA (Romania)
- MICINN (Spain)
- SNSF (Switzerland)
- SER (Switzerland)
- NASU (Ukraine)
- NSF (U.S.A.)
- DFG (Germany)
- INFN (Italy)
- MSHE (Russia)
- STFC (United Kingdom)
- DOE NP (U.S.A.)
- ARC (Australia)
- ARDC (Australia)
- AvH Foundation (Germany)
- EPLANET
- Marie Sklodowska-Curie Actions (European Union)
- ERC (European Union)
- A*MIDEX (France)
- ANR (France)
- IPhU (France)
- Labex P2IO (France)
- Region Auvergne-Rhone-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)
The identification of charm jets is achieved at LHCb by utilizing the properties of reconstructed displaced vertices that are matched with jets. The efficiency of this method is verified by comparing the measured results to simulation with good agreement.
The identification of charm jets is achieved at LHCb for data collected in 2015-2018 using a method based on the properties of displaced vertices reconstructed and matched with jets. The performance of this method is determined using a dijet calibration dataset recorded by the LHCb detector and selected such that the jets are unbiased in quantities used in the tagging algorithm. The charm-tagging efficiency is reported as a function of the transverse momentum of the jet. The measured efficiencies are compared to those obtained from simulation and found to be in good agreement.
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