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Measurement of the relative Bc± /B± production cross section with the ATLAS detector at s =8 TeV MEASUREMENT of the RELATIVE Bc± /B± ... AABOUD M. et al

Aaboud M.
•
Aad G.
•
Abbott B.
altro
Zwalinski L.
2021
  • journal article

Periodico
PHYSICAL REVIEW D
Abstract
The total cross section and differential cross sections for the production of Bc± mesons, times their branching fraction to J/ψπ±, are measured relative to those for the production of B± mesons, times their branching fraction to J/ψK±. The data used for this study correspond to an integrated luminosity of 20.3 fb-1 of pp collisions recorded by the ATLAS detector at the Large Hadron Collider in 2012 at a center-of-mass energy of s=8 TeV. The measurement is performed differentially in bins of transverse momentum pT for 13 GeV<22 GeV and pT(Bc±)>22 GeV and in bins of rapidity y for |y|<0.75 and 0.75<|y|<2.3. The relative cross section times branching fraction for the full range pT>13 GeV and |y|<2.3 is (0.34±0.04stat -0.02+0.06sys±0.01lifetime)%. The differential measurements suggest that the production cross section of the Bc± decreases faster with pT than the production cross section of the B±, while no significant dependence on rapidity is observed.
DOI
10.1103/PhysRevD.104.012010
WOS
WOS:000679144000001
Archivio
http://hdl.handle.net/11390/1210438
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85114014931
Diritti
open access
Scopus© citazioni
3
Data di acquisizione
Jun 2, 2022
Vedi dettagli
Web of Science© citazioni
2
Data di acquisizione
Mar 18, 2024
Visualizzazioni
1
Data di acquisizione
Apr 19, 2024
Vedi dettagli
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