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Tevatron Combination of Single-Top-Quark Cross Sections and Determination of the Magnitude of the Cabibbo-Kobayashi-Maskawa Matrix Element V_{tb}.
- Author(s): Aaltonen, T;
- Abazov, VM;
- Abbott, B;
- Acharya, BS;
- Adams, M;
- Adams, T;
- Agnew, JP;
- Alexeev, GD;
- Alkhazov, G;
- Alton, A;
- Amerio, S;
- Amidei, D;
- Anastassov, A;
- Annovi, A;
- Antos, J;
- Apollinari, G;
- Appel, JA;
- Arisawa, T;
- Artikov, A;
- Asaadi, J;
- Ashmanskas, W;
- Askew, A;
- Atkins, S;
- Auerbach, B;
- Augsten, K;
- Aurisano, A;
- Avila, C;
- Azfar, F;
- Badaud, F;
- Badgett, W;
- Bae, T;
- Bagby, L;
- Baldin, B;
- Bandurin, DV;
- Banerjee, S;
- Barbaro-Galtieri, A;
- Barberis, E;
- Baringer, P;
- Barnes, VE;
- Barnett, BA;
- Barria, P;
- Bartlett, JF;
- Bartos, P;
- Bassler, U;
- Bauce, M;
- Bazterra, V;
- Bean, A;
- Bedeschi, F;
- Begalli, M;
- Behari, S;
- Bellantoni, L;
- Bellettini, G;
- Bellinger, J;
- Benjamin, D;
- Beretvas, A;
- Beri, SB;
- Bernardi, G;
- Bernhard, R;
- Bertram, I;
- Besançon, M;
- Beuselinck, R;
- Bhat, PC;
- Bhatia, S;
- Bhatnagar, V;
- Bhatti, A;
- Bland, KR;
- Blazey, G;
- Blessing, S;
- Bloom, K;
- Blumenfeld, B;
- Bocci, A;
- Bodek, A;
- Boehnlein, A;
- Boline, D;
- Boos, EE;
- Borissov, G;
- Bortoletto, D;
- Borysova, M;
- Boudreau, J;
- Boveia, A;
- Brandt, A;
- Brandt, O;
- Brigliadori, L;
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- Bu, XB;
- Budagov, J;
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- CDF Collaboration;
- D0 Collaboration
- et al.
Published Web Location
https://doi.org/10.1103/physrevlett.115.152003Abstract
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 σ_{t}=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 σ_{s+t}=3.30_{-0.40}^{+0.52} pb, without assuming the standard model value for the ratio σ_{s}/σ_{t}. The resulting value of the magnitude of the top-to-bottom quark coupling is |V_{tb}|=1.02_{-0.05}^{+0.06}, corresponding to |V_{tb}|>0.92 at the 95% C.L.
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