Tevatron Combination of Single-Top-Quark Cross Sections and Determination of the Magnitude of the Cabibbo-Kobayashi-Maskawa Matrix Element $\bf V_{tb}$ - INSPIRE

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Tevatron Combination of Single-Top-Quark Cross Sections and Determination of the Magnitude of the Cabibbo-Kobayashi-Maskawa Matrix Element $\bf V_{tb}$

CDF and
D0

Collaborations

Mar 17, 2015

11 pages

Published in:

Phys.Rev.Lett. 115 (2015) 15, 152003

Published: Oct 7, 2015

e-Print:

1503.05027 [hep-ex]

DOI:

10.1103/PhysRevLett.115.152003

{{\mathit t}}

-Quark Production Cross Section in

{{\mathit p}}{{\overline{\mathit p}}}

\sqrt {s }

Report number:

FERMILAB-PUB-15-088-E

Experiments:

View in:

reference search73 citations

Citations per year

Abstract: (APS)

We present the final combination of CDF and D0 measurements of cross sections for single-top-quark production in proton-antiproton collisions at a center-of-mass energy of 1.96 TeV. The data correspond to total integrated luminosities of up to 9.7 fb−1 per experiment. The t-channel cross section is measured to be σt=2.25-0.31+0.29 pb. We also present the combinations of the two-dimensional measurements of the s- vs t-channel cross section. In addition, we give the combination of the s+t channel cross section measurement resulting in σs+t=3.30-0.40+0.52 pb, without assuming the standard model value for the ratio σs/σt. The resulting value of the magnitude of the top-to-bottom quark coupling is |Vtb|=1.02-0.05+0.06, corresponding to |Vtb|>0.92 at the 95% C.L.

Note:

11 pages, 4 figures

14.65.Ha
12.15.Ji
13.85.Qk
12.15.Hh
anti-p p: colliding beams
transverse energy: missing-energy
top: single production
cross section: measured
quark: coupling
anti-p p: scattering

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