Search for new physics using high-mass tau pairs from 1.96 TeV pp̄ collisions

Un-Ki Yang, D. Acosta, J. Adelman, T. Affolder, T. Akimoto, M. G. Albrow, D. Ambrose, S. Amerio, D. Amidei, A. Anastassov, K. Anikeev, A. Annovi, J. Antos, M. Aoki, G. Apollinari, T. Arisawa, J. F. Arguin, A. Artikov, W. Ashmanskas, A. AttalF. Azfar, P. Azzi-Bacchetta, N. Bacchetta, H. Bachacou, W. Badgett, A. Barbaro-Galtieri, G. J. Barker, V. E. Barnes, B. A. Barnett, S. Baroiant, G. Bauer, F. Bedeschi, S. Behari, S. Belforte, G. Bellettini, J. Bellinger, A. Belloni, E. Ben-Haim, D. Benjamin, A. Beretvas, T. Berry, A. Bhatti, M. Binkley, D. Bisello, M. Bishai, R. E. Blair, C. Blocker, K. Bloom, B. Blumenfeld, A. Bocci, A. Bodek, G. Bolla, A. Bolshov, D. Bortoletto, J. Boudreau, S. Bourov, B. Brau, C. Bromberg, E. Brubaker, J. Budagov, H. S. Budd, K. Burkett, G. Busetto, P. Bussey, K. L. Byrum, S. Cabrera, M. Campanelli, M. Campbell, F. Canelli, A. Canepa, M. Casarsa, D. Carlsmith, R. Carosi, S. Carron, M. Cavalli-Sforza, A. Castro, P. Catastini, D. Cauz, A. Cerri, L. Cerrito, J. Chapman, Y. C. Chen, M. Chertok, G. Chiarelli, G. Chlachidze, F. Chlebana, I. Cho, K. Cho, D. Chokheli, J. P. Chou, S. Chuang, K. Chung, W. H. Chung, Y. S. Chung, M. Cijliak, C. I. Ciobanu, M. A. Ciocci, A. G. Clark, D. Clark, M. Coca

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We present the results of a search for anomalous resonant production of tau lepton pairs with large invariant mass, the first such search using the CDF II Detector in Run II of the Tevatron pp̄ collider. Such anomalous production could arise from various new physics processes. In a data sample corresponding to 195pb-1 of integrated luminosity we predict 2.8±0.5 events from standard model background processes and observe 4. We use this result to set limits on the production of heavy scalar and vector particles decaying to tau lepton pairs. © 2005 The American Physical Society.
    Original languageEnglish
    Article number131801
    JournalPhysical Review Letters
    Volume95
    Issue number13
    DOIs
    Publication statusPublished - 23 Sept 2005

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