Observation of -Channel Production of Single Top Quarks at the Tevatron
Journal Article
·
· Physical Review Letters
We report the first observation of single-top-quark production in the s channel through the combination of the CDF and D0 measurements of the cross section 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 measured cross section is $$\sigma_s = 1.29^{+0.26}_{-0.24}$$ pb. The probability of observing a statistical fluctuation of the background to a cross section of the observed size or larger is $$1.8 \times 10^{-10}$$, corresponding to a significance of 6.3 standard deviations for the presence of an s-channel contribution to the production of single-top quarks.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States); Brookhaven National Lab. (BNL), Upton, NY (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Organization:
- CDF Collaboration)†; D0 Collaboration)‡
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1289717
- Report Number(s):
- FERMILAB-PUB-14-031-E; arXiv:1402.5126; 1282028
- Journal Information:
- Physical Review Letters, Vol. 112, Issue 23; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
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