Skip to main navigation Skip to search Skip to main content

One-prong τ decays with kaons

  • R. Barate
  • , D. Decamp
  • , P. Ghez
  • , C. Goy
  • , J. P. Lees
  • , E. Merle
  • , M. N. Minard
  • , B. Pietrzyk
  • , R. Alemany
  • , M. P. Casado
  • , M. Chmeissani
  • , J. M. Crespo
  • , E. Fernandez
  • , M. Fernandez-Bosman
  • , Ll Garrido
  • , E. Graugès
  • , A. Juste
  • , M. Martinez
  • , G. Merino
  • , R. Miquel
  • Ll M. Mir, A. Pacheco, I. C. Park, I. Riu, A. Colaleo, D. Creanza, M. De Palma, G. Gelao, G. Iaselli, G. Maggi, M. Maggi, S. Nuzzo, A. Ranieri, G. Raso, F. Ruggieri, G. Selvaggi, L. Silvestris, P. Tempesta, A. Tricomi, G. Zito, X. Huang, J. Lin, Q. Ouyang, T. Wang, Y. Xie, R. Xu, S. Xue, J. Zhang, L. Zhang, W. Zhao, D. Abbaneo, U. Becker, G. Boix, M. Cattaneo, V. Ciulli, G. Dissertori, H. Drevermann, R. W. Forty, M. Frank, A. W. Halley, J. B. Hansen, J. Harvey, P. Janot, B. Jost, I. Lehraus, O. Leroy, P. Mato, A. Minten, A. Moutoussi, F. Ranjard, L. Rolandi, D. Rousseau, D. Schlatter, M. Schmitt, O. Schneider, W. Tejessy, F. Teubert, I. R. Tomalin, E. Tournefier, A. E. Wright, Z. Ajaltouni, F. Badaud, G. Chazelle, O. Deschamps, A. Falvard, C. Ferdi, P. Gay, C. Guicheney, P. Henrard, J. Jousset, B. Michel, S. Monteil, J. C. Montret, D. Pallin, P. Perret, F. Podlyski, J. D. Hansen, J. R. Hansen, P. H. Hansen, B. S. Nilsson, B. Rensch, A. Wäänänen, G. Daskalakis, A. Kyriakis, C. Markou, E. Simopoulou, I. Siotis, A. Vayaki, A. Blondel, G. Bonneaud, J. C. Brient, A. Rougé, M. Rumpf, M. Swynghedauw, M. Verderi, H. Videau, E. Focardi, G. Parrini, K. Zachariadou, R. Cavanaugh, M. Corden, C. Georgiopoulos, A. Antonelli, G. Bencivenni, G. Bologna, F. Bossi, P. Campana, G. Capon, F. Cerutti, V. Chiarella, P. Laurelli, G. Mannocchi, F. Murtas, G. P. Murtas, L. Passalacqua, M. Pepe-Altarelli, L. Curtis, J. G. Lynch, P. Negus, V. O'Shea, C. Raine, P. Teixeira-Dias, A. S. Thompson, O. Buchm¨uller, S. Dhamotharan, C. Geweniger, P. Hanke, G. Hansper, V. Hepp, E. E. Kluge, A. Putzer, J. Sommer, K. Tittel, S. Werner, M. Wunsch, R. Beuselinck, D. M. Binnie, W. Cameron, P. J. Dornan, M. Girone, S. Goodsir, E. B. Martin, N. Marinelli, J. K. Sedgbeer, P. Spagnolo, E. Thomson, M. D. Williams, V. M. Ghete, P. Girtler, E. Kneringer, D. Kuhn, G. Rudolph, A. P. Betteridge, C. K. Bowdery, P. G. Buck, P. Colrain, G. Crawford, A. J. Finch, F. Foster, G. Hughes, R. W.L. Jones, N. A. Robertson, M. I. Williams, I. Giehl, C. Hoffmann, K. Jakobs, K. Kleinknecht, G. Quast, B. Renk, E. Rohne, H. G. Sander, P. van Gemmeren, H. Wachsmuth, C. Zeitnitz, J. J. Aubert, C. Benchouk, A. Bonissent, J. Carr, P. Coyle, F. Etienne, F. Motsch, P. Payre, M. Talby, M. Thulasidas, M. Aleppo, M. Antonelli, F. Ragusa, R. Berlich, V. Büscher, H. Dietl, G. Ganis, K. Hüttmann, G. Lütjens, C. Mannert, W. Männer, H. G. Moser, S. Schael, R. Settles, H. Seywerd, H. Stenzel, W. Wiedenmann, G. Wolf, P. Azzurri, J. Boucrot, O. Callot, S. Chen, A. Cordier, M. Davier, L. Duflot, J. F. Grivaz, Ph Heusse, A. H¨ocker, A. Jacholkowska, D. W. Kim, F. Le Diberder, J. Lefrançois, A. M. Lutz, M. H. Schune, J. J. Veillet, I. Videau, D. Zerwas, G. Bagliesi, S. Bettarini, T. Boccali, C. Bozzi, G. Calderini, R. Dell'Orso, I. Ferrante, L. Foa, A. Giassi, A. Gregorio, F. Ligabue, A. Lusiani, P. S. Marrocchesi, A. Messineo, F. Palla, G. Rizzo, G. Sanguinetti, A. Sciaba, G. Sguazzoni, R. Tenchini, C. Vannini, A. Venturi, P. G. Verdini, G. A. Blair, G. Cowan, M. G. Green, T. Medcalf, J. A. Strong, J. H. von Wimmersperg-Toeller, D. R. Botterill, R. W. Clifft, T. R. Edgecock, P. R. Norton, J. C. Thompson, B. Bloch-Devaux, P. Colas, S. Emery, W. Kozanecki, E. Lançon, M. C. Lemaire, E. Locci, P. Perez, J. Rander, J. F. Renardy, A. Roussarie, J. P. Schuller, J. Schwindling, A. Trabelsi, B. Vallage, S. N. Black, J. H. Dann, R. P. Johnson, H. Y. Kim, N. Konstantinidis, A. M. Litke, M. A. McNeil, G. Taylor, C. N. Booth, S. Cartwright, F. Combley, M. S. Kelly, M. Lehto, L. F. Thompson, K. Affholderbach, A. Böohrer, S. Brandt, C. Grupen, G. Prange, G. Giannini, B. Gobbo, J. Rothberg, S. Wasserbaech, S. R. Armstrong, E. Charles, P. Elmer, D. P.S. Ferguson, Y. Gao, S. González, T. C. Greening, O. J. Hayes, H. Hu, S. Jin, P. A. McNamara, J. M. Nachtman, J. Nielsen, W. Orejudos, Y. B. Pan, Y. Saadi, I. J. Scott, J. Walsh, S. L. Wu, X. Wu, G. Zobernig
  • Université Paris-Sud
  • University of São Paulo
  • University of Barcelona
  • INFN Sezione di Bari
  • Sezione di Catania
  • Institute of High Energy Physics, Chinese Academy of Sciences
  • European Organization for Nuclear Research
  • SAP AG
  • Harvard University
  • University of Lausanne
  • Université Blaise Pascal
  • Niels Bohr Institutet
  • NCSR Demokritos
  • University of Florence
  • Supercomputer Computations Research Institute
  • Florida State University
  • LNF-INFN
  • University of Glasgow
  • Institut für Hochenergiephysik
  • University of Heidelberg
  • Imperial College London
  • University of Innsbruck
  • Lancaster University
  • Institut für Physik
  • Johannes Gutenberg University
  • Dipartimento di Fisica
  • Sezione INFN di Milano
  • Max-Planck-Institut für Physik
  • Laboratoire de l'Accélérateur Linéaire
  • Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
  • Department of Physics
  • Royal Holloway University of London
  • Rutherford Appleton Laboratory
  • CEA/UVSQ/CNRS
  • University of California at Santa Cruz
  • The University of Sheffield
  • Fachbereich Physik
  • Universität Siegen
  • Dipartimento di Fisica
  • University of Trieste
  • Experimental Elementary Particle Physics
  • University of Washington
  • University of Wisconsin-Madison
  • INFN Sezione di Catania

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

One-prong τ decays into final states involving kaons are studied with about 161 000 τ+τ-events collected by the ALEPH detector from 1991 to 1995. Charged kaons are identified by dE/dx measurement, while K0 L's are detected through their interaction in calorimeters. Branching ratios are measured for the inclusive mode, B(τ-→ K-Xντ) = (1.52±0.04±0.04)%, where X can be any system of neutral particles, and for the exclusive modes B(τ-→ K-ντ) = (6.96 ± 0.25 ± 0.14) × 10-3, B(τ-→ K-π0ντ) = (4.44 ± 0.26 ± 0.24) × 10-3, B(τ-→ K-π0π0ντ) = (0.56 ± 0.20 ± 0.15) × 10-3, B(τ-→ K-π0π0π0ντ) = (0.37 ± 0.21 ± 0.11) × 10-3, B(τ-→ K-K0ντ) = (1.62 ± 0.21 ± 0.11) × 10-3, B(τ-→ K-K0π0ντ) = (1.43 ± 0.25 ± 0.15) × 10-3, B(τ-→ K0π-ντ) = (9.28 ± 0.45 ±0.34) × 10-3. B(τ-→ K0π-π0ντ) = (3.47 ± 0.53 ± 0.37) × 10-3. where the first error is statistical and the second is systematical. Upper limits for B(τ-→ K0π-π0π0ντ) and B(τ-→ K-K0π0π0ντ) are also obtained. Mass spectra in the final states are investigated in order to study the relevant dynamics.

Original languageEnglish
Pages (from-to)1-18
Number of pages18
JournalEuropean Physical Journal C
Volume10
Issue number1
DOIs
Publication statusPublished - 1 Jan 1999

Fingerprint

Dive into the research topics of 'One-prong τ decays with kaons'. Together they form a unique fingerprint.

Cite this