Measurement of the $B_c^{\pm}$ production cross section in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV

Aaltonen, Timo Antero

doi:10.1103/PhysRevD.93.052001

Title: Measurement of the $$B_c^{\pm}$$ production cross section in $$p\bar{p}$$ collisions at $$\sqrt{s}=1.96$$ TeV

Journal Article · Tue Mar 01 00:00:00 EST 2016 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.93.052001· OSTI ID:1248042

Aaltonen, Timo Antero ^[1]

Univ. of Helsinki, Helsinki (Finland). et al.

We describe a measurement of the ratio of the cross sections times branching fractions of the Bc+ meson in the decay mode Bc+→J/ψμ+ν to the B+ meson in the decay mode B+→J/ψK+ in proton-antiproton collisions at center-of-mass energy s=1.96 TeV. The measurement is based on the complete CDF Run II data set, which comes from an integrated luminosity of 8.7 fb-1. The ratio of the production cross sections times branching fractions for Bc+ and B+ mesons with momentum transverse to the beam greater than 6 GeV/c and rapidity magnitude smaller than 0.6 is 0.211±0.012(stat)-0.020+0.021(syst). Using the known B+→J/ψK+ branching fraction, the known B+ production cross section, and a selection of the predicted Bc+→J/ψμ+ν branching fractions, the range for the total Bc+ production cross section is estimated.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Contributing Organization:: CDF Collaboration

Grant/Contract Number:: AC02-07CH11359; AC02-05CH11231

OSTI ID:: 1248042

Alternate ID(s):: OSTI ID: 1239864; OSTI ID: 1454455

Report Number(s):: FERMILAB-PUB-16-008-E-PPD; arXiv:1601.03819; PRVDAQ; 1415579

Journal Information:: Physical Review D, Vol. 93, Issue 5; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 11 works

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