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Search for new π0 -like particles produced in association with a τ -lepton pair

  • J. P. Lees
  • , V. Poireau
  • , V. Tisserand
  • , E. Grauges
  • , A. Palano
  • , G. Eigen
  • , B. Stugu
  • , D. N. Brown
  • , L. T. Kerth
  • , Yu G. Kolomensky
  • , M. J. Lee
  • , G. Lynch
  • , H. Koch
  • , T. Schroeder
  • , C. Hearty
  • , T. S. Mattison
  • , J. A. McKenna
  • , R. Y. So
  • , A. Khan
  • , V. E. Blinov
  • A. R. Buzykaev, V. P. Druzhinin, V. B. Golubev, E. A. Kravchenko, A. P. Onuchin, S. I. Serednyakov, Yu I. Skovpen, E. P. Solodov, K. Yu Todyshev, A. J. Lankford, M. Mandelkern, B. Dey, J. W. Gary, O. Long, C. Campagnari, M. Franco Sevilla, T. M. Hong, D. Kovalskyi, J. D. Richman, C. A. West, A. M. Eisner, W. S. Lockman, W. Panduro Vazquez, B. A. Schumm, A. Seiden, D. S. Chao, C. H. Cheng, B. Echenard, K. T. Flood, D. G. Hitlin, T. S. Miyashita, P. Ongmongkolkul, F. C. Porter, M. Röhrken, R. Andreassen, Z. Huard, B. T. Meadows, B. G. Pushpawela, M. D. Sokoloff, L. Sun, P. C. Bloom, W. T. Ford, A. Gaz, J. G. Smith, S. R. Wagner, R. Ayad, W. H. Toki, B. Spaan, D. Bernard, M. Verderi, S. Playfer, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Fioravanti, I. Garzia, E. Luppi, L. Piemontese, V. Santoro, A. Calcaterra, R. De Sangro, G. Finocchiaro, S. Martellotti, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, M. Lo Vetere, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, B. Bhuyan, V. Prasad, A. Adametz, U. Uwer, H. M. Lacker, U. Mallik, C. Chen, J. Cochran, S. Prell, H. Ahmed, A. V. Gritsan, N. Arnaud, M. Davier, D. Derkach, G. Grosdidier, F. Le Diberder, A. M. Lutz, B. Malaescu, P. Roudeau, A. Stocchi, G. Wormser, D. J. Lange, D. M. Wright, J. P. Coleman, J. R. Fry, E. Gabathuler, D. E. Hutchcroft, D. J. Payne, C. Touramanis, A. J. Bevan, F. Di Lodovico, R. Sacco, G. Cowan, J. Bougher, D. N. Brown, C. L. Davis, A. G. Denig, M. Fritsch, W. Gradl, K. Griessinger, A. Hafner, K. R. Schubert, R. J. Barlow, G. D. Lafferty, R. Cenci, B. Hamilton, A. Jawahery, D. A. Roberts, R. Cowan, G. Sciolla, R. Cheaib, P. M. Patel, S. H. Robertson, N. Neri, F. Palombo, L. Cremaldi, R. Godang, P. Sonnek, D. J. Summers, M. Simard, P. Taras, G. De Nardo, G. Onorato, C. Sciacca, M. Martinelli, G. Raven, C. P. Jessop, J. M. Losecco, K. Honscheid, R. Kass, E. Feltresi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, G. Simi, F. Simonetto, R. Stroili, S. Akar, E. Ben-Haim, M. Bomben, G. R. Bonneaud, H. Briand, G. Calderini, J. Chauveau, Ph Leruste, G. Marchiori, J. Ocariz, M. Biasini, E. Manoni, S. Pacetti, A. Rossi, C. Angelini, G. Batignani, S. Bettarini, M. Carpinelli, G. Casarosa, A. Cervelli, M. Chrzaszcz, F. Forti, M. A. Giorgi, A. Lusiani, B. Oberhof, E. Paoloni, A. Perez, G. Rizzo, J. J. Walsh, D. Lopes Pegna, J. Olsen, A. J.S. Smith, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, L. Li Gioi, A. Pilloni, G. Piredda, C. Bünger, S. Dittrich, O. Grünberg, M. Hess, T. Leddig, C. Voß, R. Waldi, T. Adye, E. O. Olaiya, F. F. Wilson, S. Emery, G. Vasseur, F. Anulli, D. Aston, D. J. Bard, C. Cartaro, M. R. Convery, J. Dorfan, G. P. Dubois-Felsmann, W. Dunwoodie, M. Ebert, R. C. Field, B. G. Fulsom, M. T. Graham, C. Hast, W. R. Innes, P. Kim, D. W.G.S. Leith, P. Lewis, D. Lindemann, S. Luitz, V. Luth, H. L. Lynch, D. B. Macfarlane, D. R. Muller, H. Neal, M. Perl, T. Pulliam, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, A. Snyder, D. Su, M. K. Sullivan, J. Va'Vra, W. J. Wisniewski, H. W. Wulsin, M. V. Purohit, R. M. White, J. R. Wilson, A. Randle-Conde, S. J. Sekula, M. Bellis, P. R. Burchat, E. M.T. Puccio, M. S. Alam, J. A. Ernst, R. Gorodeisky, N. Guttman, D. R. Peimer, A. Soffer, S. M. Spanier, J. L. Ritchie, R. F. Schwitters, B. C. Wray, J. M. Izen, X. C. Lou, F. Bianchi, F. De Mori, A. Filippi, D. Gamba, L. Lanceri, L. Vitale, F. Martinez-Vidal, A. Oyanguren, P. Villanueva-Perez, J. Albert, Sw Banerjee, A. Beaulieu, F. U. Bernlochner, H. H.F. Choi, G. J. King, R. Kowalewski, M. J. Lewczuk, T. Lueck, D. McKeen, I. M. Nugent, M. Pospelov, J. M. Roney, R. J. Sobie, N. Tasneem, T. J. Gershon, P. F. Harrison, T. E. Latham, H. R. Band, S. Dasu, Y. Pan, R. Prepost, S. L. Wu
  • Université Savoie Mont Blanc
  • Facultat de Fisica
  • University of Barcelona
  • INFN Sezione di Bari
  • Dipartimento di Fisica
  • Università degli studi di Bari Aldo Moro
  • Institute of Physics
  • University of Bergen
  • University of California, Berkeley
  • Institut für Experimentalphysik 1
  • Ruhr-University Bochum
  • University of British Columbia
  • Brunel University London
  • Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
  • Novosibirsk State University
  • Novosibirsk State Technical University
  • Long Beach VA and University of California
  • University of California, Riverside
  • University of California, Santa Barbara
  • University of California at Santa Cruz
  • California Institute of Technology
  • University of Cincinnati
  • University of Colorado Boulder
  • Cooperative Institute for Research in the Atmosphere
  • Fakultät Physik
  • University of Dortmund
  • University of Edinburgh
  • Sezione INFN di Ferrara
  • Dipartimento di Fisica e Scienze della Terra
  • University of Ferrara
  • LNF-INFN
  • Sezione di Genova
  • University of Genoa
  • Department of Biosciences and Bioengineering
  • Physikalisches Institut
  • University of Heidelberg
  • Institut für Physik
  • Humboldt-Universität zu Berlin
  • University of Iowa
  • Iowa State University
  • Physics Department
  • Jazan University
  • Johns Hopkins University
  • Laboratoire de l'Accélérateur Linéaire
  • Lawrence Livermore National Laboratory
  • University of Liverpool
  • Queen Mary University of London
  • Royal Holloway University of London
  • University of Louisville
  • Institut für Kernphysik
  • Johannes Gutenberg University
  • University of Manchester
  • University of Maryland, College Park
  • Massachusetts Institute of Technology
  • McGill University
  • Sezione INFN di Milano
  • Dipartimento di Fisica
  • University of Milano
  • University of Mississippi
  • Universite de Montreal
  • INFN Sezione di Napoli
  • Dipartimento di Scienze Fisiche
  • University of Naples Federico II
  • Science Park 105
  • University of Notre Dame
  • The Ohio State University
  • INFN
  • Dipartimento di Fisica
  • University of Padova
  • Universités Paris VI and VII
  • INFN Sezione di Perugia
  • INFM CRS-SOFT
  • University of Perugia
  • Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
  • Department of Physics
  • University of Pisa
  • Scuola Normale Superiore di Pisa
  • Princeton University
  • Sezione di Roma
  • Dipartimento di Fisica
  • Universität Rostock
  • CCLRC Rutherford Appleton Laboratory
  • Universite Paris-Saclay
  • Stanford Linear Accelerator Center
  • University of South Carolina
  • Southern Methodist University
  • Stanford University
  • State University of New York Albany
  • School of Physics and Astronomy
  • Tel Aviv University
  • University of Tennessee
  • The University of Texas at Austin
  • University of Texas
  • INFN Sezione di Torino
  • Dipartimento di Fisica
  • University of Turin
  • INFN Sezione di Trieste
  • Dipartimento di Fisica
  • University of Trieste
  • University of Valencia
  • University of Victoria
  • Department of Physics
  • University of Warwick
  • University of Wisconsin-Madison

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

3 Citations (Scopus)

Abstract

We report on a search in e+e- annihilations for new π0-like particles produced in association with a τ-lepton pair. These objects, with a similar mass and similar decay modes to π0 mesons, could provide an explanation for the non-asymptotic behavior of the pion-photon transition form factor observed by the BABAR Collaboration. No significant signal is observed, and limits on the production cross section at the level of 73 fb or 370 fb, depending on the model parameters, are determined at 90% confidence level. These upper limits lie below the cross section values needed to explain the BABAR form factor data.

Original languageEnglish
Article number112011
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume90
Issue number11
DOIs
Publication statusPublished - 23 Dec 2014

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