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Observation of Single Top-Quark Production

Abazov, V. M. and Abbott, B. and Abolins, M. and Acharya, B. S. and Adams, M. and Adams, T. and Aguilo, E. and Ahsan, M. and Alexeev, G. D. and Alkhazov, G. and Alton, A. and Alverson, G. and Alves, G. A. and Ancu, L. S. and Andeen, T. and Anzelc, M. S. and Aoki, M. and Arnoud, Y. and Arov, M. and Arthaud, M. and Askew, A. and Asman, B. and Atramentov, O. and Avila, C. and BackusMayes, J. and Badaud, F. and Bagby, L. and Baldin, B. and Bandurin, D. V. and Banerjee, P. and Banerjee, S. and Barberis, E. and Barfuss, A. -F. and Bargassa, P. and Baringer, P. and Barreto, J. and Bartlett, J. F. and Bassler, U. and Bauer, D. and Beale, S. and Bean, A. and Begalli, M. and Begel, M. and Belanger-Champagne, C. and Bellantoni, L. and Bellavance, A. and Benitez, J. A. and Beri, S. B. and Bernardi, G. and Bernhard, R. and Bertram, I. and Besancon, M. and Beuselinck, R. and Bezzubov, V. A. and Bhat, P. 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M. and Unalan, R. and Uvarov, L. and Uvarov, S. and Uzunyan, S. and Vachon, B. and van den Berg, P. J. and Van Kooten, R. and van Leeuwen, W. M. and Varelas, N. and Varnes, E. W. and Vasilyev, I. A. and Verdier, P. and Vertogradov, L. S. and Verzocchi, M. and Vilanova, D. and Vint, P. and Vokac, P. and Voutilainen, M. and Wagner, R. and Wahl, H. D. and Wang, M. H. L. S. and Warchol, J. and Watts, G. and Wayne, M. and Weber, G. and Weber, M. and Welty-Rieger, L. and Wenger, A. and Wetstein, M. and White, A. and Wicke, D. and Williams, M. R. J. and Wilson, G. W. and Wimpenny, S. J. and Wobisch, M. and Wood, D. R. and Wyatt, T. R. and Xie, Y. and Xu, C. and Yacoob, S. and Yamada, R. and Yang, W. -C. and Yasuda, T. and Yatsunenko, Y. A. and Ye, Z. and Yin, H. and Yip, K. and Yoo, H. D. and Youn, S. W. and Yu, J. and Zeitnitz, C. and Zelitch, S. and Zhao, T. and Zhou, B. and Zhu, J. and Zielinski, M. and Zieminska, D. and Zivkovic, L. and Zutshi, V. and Zverev, E. G. and , D0 Collaboration (2009) Observation of Single Top-Quark Production. Physical review letters, 103 (9). -. ISSN 0031-9007

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    Abstract

    We report observation of the electroweak production of single top quarks in pp collisions at s=1.96 TeV based on 2.3 fb(-1) of data collected by the D0 detector at the Fermilab Tevatron Collider. Using events containing an isolated electron or muon and missing transverse energy, together with jets originating from the fragmentation of b quarks, we measure a cross section of sigma(pp -> tb+X,tqb+X)=3.94 +/- 0.88 pb. The probability to measure a cross section at this value or higher in the absence of signal is 2.5x10(-7), corresponding to a 5.0 standard deviation significance for the observation.

    Item Type: Article
    Journal or Publication Title: Physical review letters
    Additional Information: © 2009 The American Physical Society
    Subjects: Q Science > QC Physics
    Departments: Faculty of Science and Technology > Physics
    ID Code: 56740
    Deposited By: ep_importer_pure
    Deposited On: 07 Aug 2012 09:20
    Refereed?: Yes
    Published?: Published
    Last Modified: 21 Sep 2017 05:07
    Identification Number:
    URI: http://eprints.lancs.ac.uk/id/eprint/56740

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