Journal
PHYSICAL REVIEW LETTERS
Volume 118, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.118.052002
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Funding
- CAPES (Brazil)
- CNPq (Brazil)
- FAPERJ (Brazil)
- FINEP (Brazil)
- NSFC (China)
- CNRS/IN2P3 (France)
- BMBF (Germany)
- DFG (Germany)
- MPG (Germany)
- INFN (Italy)
- FOM (Netherlands)
- NWO (Netherlands)
- MNiSW (Poland)
- NCN (Poland)
- MEN/IFA (Romania)
- MinES (Russia)
- FASO (Russia)
- MinECo (Spain)
- SNSF (Switzerland)
- SER (Switzerland)
- NASU (Ukraine)
- STFC (United Kingdom)
- NSF (USA)
- AvH Foundation (Germany)
- EPLANET
- Marie Sklodowska-Curie Actions
- ERC (European Union)
- Conseil General de Haute-Savoie
- Labex ENIGMASS, Region Auvergne (France)
- OCEVU, Region Auvergne (France)
- RFBR (Russia)
- Yandex LLC (Russia)
- GVA (Spain)
- XuntaGal (Spain)
- GENCAT (Spain)
- Herchel Smith Fund (United Kingdom)
- Royal Society, Royal Commission for the Exhibition of 1851 (United Kingdom)
- Leverhulme Trust (United Kingdom)
- STFC [ST/L003538/1, ST/N000331/1, ST/N001370/1, ST/H006737/1, ST/K00140X/1, ST/M004058/1, 1641747, ST/K004646/1, LHCb, LHCb Upgrades] Funding Source: UKRI
- Science and Technology Facilities Council [1527212, ST/L003538/1, LHCb Upgrades, 1565032, 1565116, ST/H006737/1, ST/N000331/1, ST/N001370/1, LHCb, ST/K004646/1, 1416165, ST/M004058/1, ST/K00140X/1, 1641747, 1564711] Funding Source: researchfish
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Measurements of the cross section for producing b quarks in the reaction pp -> b (b) over barX are reported in 7 and 13 TeV collisions at the LHC as a function of the pseudorapidity. in the range 2 < eta < 5 covered by the acceptance of the LHCb experiment. The measurements are done using semileptonic decays of b-flavored hadrons decaying into a ground-state charmed hadron in association with a muon. The cross sections in the covered. range are 72.0 +/- 0.3 +/- 6.8 and 154.3 +/- 1.5 +/- 14.3 +/- mu b for 7 and 13 TeV. The ratio is 2.14 +/- 0.02 +/- 0.13, where the quoted uncertainties are statistical and systematic, respectively. The agreement with theoretical expectation is good at 7 TeV, but differs somewhat at 13 TeV. The measured ratio of cross sections is larger at lower eta than the model prediction.
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