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Search for Single Top Production in $e^{+} e^{-}$ Collisions at $\sqrt{s}$ up to 209 GeV
Authors :
Heister A ALEPH Collaboration Schael S Barate R Bruneliere R De Bonis I Decamp D Goy C Jezequel S Lees JP Martin F Merle E Minard MN Pietrzyk B Trocme B Boix G Bravo S Casado MP Chmeissani M Crespo JM Fernandez E Fernandez Bosman M Garrido L Grauges E Lopez J Martinez M Merino G Pacheco A Paneque D Ruiz H Colaleo A Creanza D De Filippis N de Palma M Iaselli G Maggi G Maggi M Nuzzo S Ranieri A Raso G Ruggieri F Selvaggi G Silvestris L Tempesta P Tricomi A Zito G Huang X Lin J Ouyang Q Wang T Xie Y Xu R Xue S Zhang J Zhang L Zhao W Abbaneo D Azzurri P Barklow T Buchmuller O Cattaneo M Cerutti F Clerbaux B Drevermann H Forty R Frank M Gianotti F Greening TC Hansen J Harvey J Hutchcroft DE Janot P Jost B Kado M Mato P Moutoussi A Ranjard F Schlatter D Sguazzoni G Tejessy W Teubert F Valassi A Videau V Ward JJ Badaud F Dessagne S Falvard A Fayolle D Gay P Jousset J Michel B Monteil S Pallin D Pascolo JM Perret P Hansen JD Hansen JR Hansen PH Nilsson BS Kyriakis A Markou C Simopoulou E Vayaki A Zachariadou K Blondel A Brient JC Machefert F Rouge A Swynghedauw M Tanaka R Videau H Ciulli V Focardi E Parrini G Antonelli A Antonelli M Bencivenni G Bossi F Capon G Chiarella V Laurelli P Mannocchi G Murtas GP Passalacqua L Kennedy J Lynch JG Negus P O'Shea V Thompson AS Wasserbaech S Cavanaugh R Dhamotharan S Geweniger C Hanke P Hepp V Kluge EE Leibenguth G Putzer A Stenzel H Tittel K Wunsch M Beuselinck R Cameron W Davies G Dornan PJ Girone M Hill RD Marinelli N Nowell J Rutherford SA Sedgbeer JK Thompson JC White R Ghete VM Girtler P Kneringer E Kuhn D Rudolph G Bouhova Thacker E Bowdery CK Clarke DP Ellis G Finch AJ Foster F Hughes G Jones RWL Pearson MR Robertson NA Smizanska M van der Aa O Delaere C Lemaitre V Blumenschein U Holldorfer F Jakobs K Kayser F Kleinknecht K Muller AS Quast G Renk B Sander HG Schmeling S Wachsmuth H Zeitnitz C Ziegler T Bonissent A Coyle P Curtil C Ealet A Fouchez D Payre P Tilquin A Ragusa F David A Dietl H Ganis G Huttmann K Lutjens G Manner W Moser HG Settles R Wolf G Boucrot J Callot O Davier M Duflot L Grivaz JF Heusse P Jacholkowska A Serin L Veillet JJ de Regie JBD Yuan C Bagliesi G Boccali T Foa L Giammanco A Giassi A Messineo A Palla F Sanguinetti G Sciaba A Tenchini R Venturi A Verdini P Awunor O Blair GA Cowan G Garcia Bellido A Green MG Jones LT Medcalf T Misiejuk A Strong JA Teixeira Dias P Clifft RW Edgecock TR Norton P Tomalin IR Bloch Devaux B Boumediene D Colas P Fabbro B Lancon E Lemaire MC Locci E Perez P Rander J Tuchming B Vallage B Konstantinidis N Litke AM Taylor G Booth CN Cartwright S Combley F Hodgson P Lehto M Thompson LF Bohrer A Brandt S Grupen C Hess J Ngac A Prange G Sieler U Borean C Giannini G He H Putz J Rothberg J Armstrong SR Berkelman K Cranmer K Ferguson DPS Gao Y Gonzalez S Hayes OJ Hu H Jin S Kile J McNamara PA Nielsen J Pan YB von Wimmersperg Toeller JH Wiedenmann W Wu J Wu SL Wu X Zobernig G Dissertori G RI ANTONELLI ANTONELLA/C 6238 2011 Jones Roger/H 5578 2011 Passalacqua Luca/F 5127 2011 O'Shea Val/G 1279 2010 ROLANDI, LUIGI LIGABUE, FRANCO Laboratoire d'Annecy de Physique des Particules (LAPP) Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS) Laboratoire de Physique Corpusculaire - Clermont-Ferrand (LPC) Université Blaise Pascal - Clermont-Ferrand 2 (UBP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS) Laboratoire Leprince-Ringuet (LLR) Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3) Centre de Physique des Particules de Marseille (CPPM) Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de l'Accélérateur Linéaire (LAL) Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11) ALEPH Heister, A Aleph, Collaboration Schael, S Barate, R Bruneliere, R De Bonis, I Decamp, D Goy, C Jezequel, S Lees, Jp Martin, F Merle, E Minard, Mn Pietrzyk, B Trocme, B Boix, G Bravo, S Casado, Mp Chmeissani, M Crespo, Jm Fernandez, E Fernandez Bosman, M Garrido, L Grauges, E Lopez, J Martinez, M Merino, G Pacheco, A Paneque, D Ruiz, H Colaleo, A Creanza, D De Filippis, N de Palma, M Iaselli, G Maggi, G Maggi, M Nuzzo, S Ranieri, A Raso, G Ruggieri, F Selvaggi, G Silvestris, L Tempesta, P Tricomi, A Zito, G Huang, X Lin, J Ouyang, Q Wang, T Xie, Y Xu, R Xue, S Zhang, J Zhang, L Zhao, W Abbaneo, D Azzurri, P Barklow, T Buchmuller, O Cattaneo, M Cerutti, F Clerbaux, B Drevermann, H Forty, R Frank, M Gianotti, F Greening, Tc Hansen, J Harvey, J Hutchcroft, De Janot, P Jost, B Kado, M Mato, P Moutoussi, A Ranjard, F Rolandi, Luigi Schlatter, D Sguazzoni, G Tejessy, W Teubert, F Valassi, A Videau, V Ward, Jj Badaud, F Dessagne, S Falvard, A Fayolle, D Gay, P Jousset, J Michel, B Monteil, S Pallin, D Pascolo, Jm Perret, P Hansen, Jd Hansen, Jr Hansen, Ph Nilsson, B Kyriakis, A Markou, C Simopoulou, E Vayaki, A Zachariadou, K Blondel, A Brient, Jc Machefert, F Rouge, A Swynghedauw, M Tanaka, R Videau, H Ciulli, V Focardi, E Parrini, G Antonelli, A Antonelli, M Bencivenni, G Bossi, F Capon, G Chiarella, V Laurelli, P Mannocchi, G Murtas, Gp Passalacqua, L Kennedy, J Lynch, Jg Negus, P O'Shea, V Thompson, A Wasserbaech, S Cavanaugh, R Dhamotharan, S Geweniger, C Hanke, P Hepp, V Kluge, Ee Leibenguth, G Putzer, A Stenzel, H Tittel, K Wunsch, M Beuselinck, R Cameron, W Davies, G Dornan, Pj Girone, M Hill, Rd Marinelli, N Nowell, J Rutherford, Sa Sedgbeer, Jk Thompson, Jc White, R Ghete, Vm Girtler, P Kneringer, E Kuhn, D Rudolph, G Bouhova Thacker, E Bowdery, Ck Clarke, Dp Ellis, G Finch, Aj Foster, F Hughes, G Jones, Rwl Pearson, Mr Robertson, Na Smizanska, M van der Aa, O Delaere, C Lemaitre, V Blumenschein, U Holldorfer, F Jakobs, K Kayser, F Kleinknecht, K Muller, A Quast, G Renk, B Sander, Hg Schmeling, S Wachsmuth, H Zeitnitz, C Ziegler, T Bonissent, A Coyle, P Curtil, C Ealet, A Fouchez, D Payre, P Tilquin, A Ragusa, F David, A Dietl, H Ganis, G Huttmann, K Lutjens, G Manner, W Moser, Hg Settles, R Wolf, G Boucrot, J Callot, O Davier, M Duflot, L Grivaz, Jf Heusse, P Jacholkowska, A Serin, L Veillet, Jj de Regie, Jbd Yuan, C Bagliesi, G Boccali, T Foa, L Giammanco, A Giassi, A Ligabue, Franco Messineo, A Palla, F Sanguinetti, G Sciaba, A Tenchini, R Venturi, A Verdini, P Awunor, O Blair, Ga Cowan, G Garcia Bellido, A Green, Mg Jones, Lt Medcalf, T Misiejuk, A Strong, Ja Teixeira Dias, P Clifft, Rw Edgecock, Tr Norton, P Tomalin, Ir Bloch Devaux, B Boumediene, D Colas, P Fabbro, B Lancon, E Lemaire, Mc Locci, E Perez, P Rander, J Tuchming, B Vallage, B Konstantinidis, N Litke, Am Taylor, G Booth, Cn Cartwright, S Combley, F Hodgson, P Lehto, M Thompson, Lf Bohrer, A Brandt, S Grupen, C Hess, J Ngac, A Prange, G Sieler, U Borean, C Giannini, G He, H Putz, J Rothberg, J Armstrong, Sr Berkelman, K Cranmer, K Ferguson, Dp Gao, Y Gonzalez, S Hayes, Oj Hu, H Jin, S Kile, J Mcnamara, Pa Nielsen, J Pan, Yb von Wimmersperg Toeller, Jh Wiedenmann, W Wu, J Wu, Sl Wu, X Zobernig, G Dissertori, G RI ANTONELLI ANTONELLA/C 6238 2011 Jones Roger/H 5578 2011 Passalacqua Luca/F 5127 2011 O'Shea Val/G 1279, 2010 Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS) Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Source :
Physics Letters B, Physics Letters B, Elsevier, 2002, 543, pp.173-182, Physics Letters B, 2002, 543, pp.173-182
Publication Year :
2002
Publisher :
HAL CCSD, 2002.
Abstract
Single top production via the flavour changing neutral current reactions e+e- -> \bar{t}c, \bar{t}u is searched for within the 214 pb-1 of data collected by ALEPH at centre-of-mass energies between 204 and 209 GeV. No deviation from the Standard Model expectation is observed and upper limits on the single top production cross sections are derived. The combination with data collected at lower centre-of-mass energies yields an upper limit on the branching ratio BR(t -> Zc)+BR(t -> Zu) 14%, for BR(t -> ��c)+BR(t -> ��u)= 0 and mt=174 GeV/c2.<br />7 pagesm 3 figures
Details
Language :
English
ISSN :
03702693
Database :
OpenAIRE
Journal :
Physics Letters B, Physics Letters B, Elsevier, 2002, 543, pp.173-182, Physics Letters B, 2002, 543, pp.173-182
Accession number :
edsair.doi.dedup.....87977e341e0631ef2b40172a3d8d4ed7