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Searches for new particles in Z decays using the ALEPH detector
Authors :
Décamp, D Deschizeaux, B Goy, C Lees, J P Minard, M N Alemany, R Crespo, J M Delfino, M C Fernández, E Gaitan, V Garrido, L Mir, M L Pacheco, A Catanesi, M G Creanza, D De Palma, M Farilla, A Iaselli, Giuseppe Maggi, G Maggi, M Natali, S Nuzzo, S Quattromini, M Ranieri, A Raso, G Romano, F Ruggieri, F Selvaggi, G Silvestris, L Tempesta, P Zito, G Gao, Y Hu, H Huang, D Huang, X Lin, J Lou, J Qiao, C Ruan, T Wang, T Xie, Y Xu, D Xu, R Zhang, J Zhao, W Atwood, W B Bauerdick, L A T Bird, F Blucher, E Bonvicini, G Bossi, F Boudreau, J Brown, D Burnett, T H Drevermann, H Forty, Roger W Grab, C Hagelberg, R Haywood, S Hilgart, J M Jost, B Kasemann, M Knobloch, J Lacourt, A Lançon, E Lehraus, Ivan Lohse, T Lusiani, A Marchioro, A Martínez, M Mato, P Menary, S R Minten, Adolf G Miotto, A Miquel, R Moser, H G Nash, J Palazzi, P Ranjard, F Redlinger, G Roth, A E Rothberg, J E Rotscheidt, Herbert Saich, M Schlatter, W D Schmelling, M Takashima, M Tejessy, W Wachsmuth, H W Wasserbaech, S R Wiedenmann, W Witzeling, W Wotschack, J Ajaltouni, Ziad J Badaud, F Bardadin-Otwinowska, Maria Bencheikh, A M El-Fellous, R Falvard, A Gay, P Guicheney, C Harvey, J Henrard, P Jousset, J Michel, B Montret, J C Pallin, D Perret, P Proriol, J Prulhière, F Stimpfl, G Bertelsen, H Hansen, F Hansen, J D Hansen, J R Hansen, P H Lindhal, A Møllerud, R Nilsson, B S Efthymiopoulos, I Simopoulou, Errietta Vayaki, Anna Badier, J Blondel, A Bonneaud, G R Bourotte, J Braems, F Brient, J C Fouque, G Gamess, A Guirlet, R Orteu, S Rosowsky, A Rougé, A Rumpf, M Tanaka, R Videau, H L Candlin, D J Veitch, E Moneta, L Parrini, G Corden, M Georgiopoulos, C H Ikeda, M Lannutti, J E Levinthal, D A Mermikides, Michael E Sawyer, L Antonelli, A Baldini, R Bencivenni, G Bologna, G Campana, P Capon, G Cerutti, F Chiarella, V D'Ettorre-Piazzoli, B Felici, G Laurelli, P Mannocchi, G Murtas, F Murtas, G P Passalacqua, L Pepé-Altarelli, M Picchi, P Zografou, P Altoon, B Boyle, O Halley, A W ten Have, I Hearns, J A Lynch, J G Morton, W T Raine, C Scarr, J M Smith, K Thompson, A S Turnbull, R M Brandl, B Braun, O Geiges, R Geweniger, C Hanke, P Hepp, V Kluge, E E Maumary, Y Putzer, A Rensch, B Stahl, A Tittel, K Wunsch, M Belk, A T Beuselinck, R Binnie, David M Cameron, W Cattaneo, M Dornan, Peter J Dugeay, S Greene, A M Hassard, J F Lieske, N M Patton, S J Payne, D G Phillips, M J Sedgbeer, J K Taylor, G Tomalin, I R Wright, A G Girtler, P Kuhn, D Rudolph, G Bowdery, C K Brodbeck, T J Finch, A J Foster, F Hughes, G Keemer, N R Nuttall, M Patel, A D Rowlingson, B S Sloan, Terence Snow, S W Whelan, E P Barczewski, T Kleinknecht, K Raab, J Renk, B Roehn, S Sander, H G Schmidt, H Steeg, F Walther, S M Wolf, B Aubert, Jean-Jacques Benchouk, C Bernard, V Bonissent, A Carr, J Coyle, P Drinkard, J Etienne, F Papalexiou, S Payre, P Pietrzyk, B Qian, Z Rousseau, D Schwemling, P Talby, M Becker, H Blum, Walter Cattaneo, Paolo Walter Cowan, G D Dehning, Bernd Dietl, H Dydak, Friedrich Fernández-Bosman, M Hansl-Kozanecka, Traudl Jahn, A Kozanecki, Witold Lange, E Lauber, J Lütjens, G Lutz, Gerhard Männer, W Richter, R H Schröder, J Schwarz, A S Settles, Ronald Stierlin, U Saint-Denis, R Thomas, J Wolf, G Bertin, V Boucrot, J Callot, O Cordier, A Davier, M Ganis, G Grivaz, J F Heusse, P Janot, P Kim, D W Le Diberder, F R Lefrançois, J Lutz, A M Veillet, J J Videau, I Zhang, Z Zomer, F Abbaneo, D Amendolia, S R Bagliesi, G Batignani, G Bosisio, L Bottigli, U Bradaschia, C Carpinelli, M Ciocci, M A Dell'Orso, R Ferrante, I Fidecaro, F Foà, L Focardi, E Forti, F Gatto, C Giassi, A Giorgi, M A Ligabue, F Mannelli, E B Marrocchesi, P S Messineo, A Palla, Fabrizio Sanguinetti, G Steinberger, Jack Tenchini, Roberto Tonelli, G Triggiani, G Vannini, C Venturi, A Verdini, P G Walsh, J Carter, J M Green, M G March, P V Medcalf, T Quazi, I S Strong, J A Thomas, R M West, L R Wildish, T Botterill, David R Clifft, R W Edgecock, T R Edwards, M Fisher, S M Jones, T J Norton, P R Salmon, D P Thompson, J C Bloch-Devaux, B Colas, P Klopfenstein, C Locci, E Loucatos, Sotirios S Monnier, E Pérez, P Perlas, J A Perrier, F Rander, J Renardy, J F Roussarie, A Schuller, J P Schwindling, J Vallage, B Ashman, John Gavin Booth, C N Buttar, C M Carney, R E Cartwright, S L Combley, F Dinsdale, M Dogru, M Hatfield, F Martín, J Parker, D Reeves, P Thompson, L F Bach, E Barbiero, E Brandt, S Burkhardt, H Gillesen, G Grupen, Claus Heitner, G Meinhard, H Mirabito, L Schäfer, U Seywerd, H C J Stupperich, C Trier, H Zeuner, V Giannini, G Gobbo, B Ragusa, F Rolandi, Luigi Stiegler, U Bellantoni, L Chen, X Cinabro, D Conway, J S Cowen, D F Feng, Z Ferguson, D P S Gao, Y S Grahl, J Harton, J L Jacobsen, J E Jared, R C Johnson, R P LeClaire, B W Pan Yi Bin Pater, J R Saadi, Y Sharma, V Shi, Z H Tang, Y H Walsh, A M Wear, J A Weber, F V Whitney, M H Wu Sau Lan Zobernig, G Decamp, D Deschizeaux, B Goy, C Lees, Jp Minard, Mn Alemany, R Crespo, Jm Delfino, M Fernandez, E Gaitan, V Garrido, L Mir, Lm Pacheco, A Catanesi, Mg Creanza, D Depalma, M Farilla, A Iaselli, G Maggi, G Maggi, M Natali, S Nuzzo, S Quattromini, M Ranieri, A Raso, G Romano, F Ruggieri, F Selvaggi, G Silvestris, L Tempesta, P Zito, G Gao, Y Hu, H Huang, D Huang, X Lin, J Lou, J Qiao, C Ruan, T Wang, T Xie, Y Xu, D Xu, R Zhang, J Zhao, W Atwood, Wb Bauerdick, Lat Bird, F Blucher, E Bonvicini, G Bossi, F Boudreau, J Burnett, Th Drevermann, H Forty, Rw Grab, C Hagelberg, R Haywood, S Hilgart, J Jost, B Kasemann, M Knobloch, J Lacourt, A Lancon, E Lehraus, I Lohse, T Lusiani, Alberto Marchioro, A Martinez, M Mato, P Menary, S Meyer, T Minten, A Miotto, A Miquel, R Moser, Hg Nash, J Palazzi, P Ranjard, F Redlinger, G Rolandi, L Roth, A Rothberg, J Rotscheidt, H Saich, M Schlatter, D Schmelling, M Tejessy, W Wachsmuth, H Wasserbaech, S Wiedenmann, W Witzeling, W Wotschack, J Ajaltouni, Z Badaud, F Bardadinotwinowska, M Bencheikh, Am Elfellous, R Falvard, A Gay, P Guicheney, C Harvey, J Henrard, P Jousset, J Michel, B Montret, Jc Pallin, D Perret, P Proriol, J Prulhiere, F Stimpfl, G Hansen, Jd Hansen, Jr Hansen, Ph Mollerud, R Nilsson, B Efthymiopoulos, I Simopoulou, E Vayaki, A Badier, J Blondel, A Bonneaud, G Bourotte, J Braems, F Brient, Jc Fouque, G Gamess, A Guirlet, R Orteu, S Rosowsky, A Rouge, A Rumpf, M Tanaka, R Videau, H Candlin, Dj Veitch, E Moneta, L Parrini, G Corden, M Georgiopoulos, C Ikeda, M Lannutti, J Levinthal, D Mermikides, M Sawyer, L Antonelli, A Baldini, R Bencivenni, G Bologna, G Campana, P Capon, G Cerrutti, F Chiarella, V Dettorrepiazzoli, B Felici, G Laurelli, P Mannocchi, G Murtas, F Murtas, Gp Passalacqua, L Pepealtarelli, M Picchi, P Zografou, P Altoon, B Boyle, O Halley, Aw Tenhave, L Hearns, Jl Lynch, Jg Morton, Wt Raine, C Scarr, Jm Smith, K Thompson, A Turnbull, Rm Brandl, B Braun, O Geiges, R Geweniger, C Hanke, P Hepp, V Kluge, Ee Maumary, Y Putzer, A Rensch, B Stahl, A Tittel, K Wunsch, M Belk, At Beuselinck, R Binnie, Dm Cameron, W Cattaneo, M Dornan, Pj Dugeay, S Greene, Am Hassard, Jf Lieske, Nm Patton, Sj Payne, Dg Phillips, Mj Sedgbeer, Jk Taylor, G Tomalin, Ir Wright, Ag Girtler, P Kuhn, D Rudolph, G Bowdery, Ck Brodbeck, Tj Finch, Aj Foster, F Hughes, G Keemer, Nr Nuttall, M Patel, A Rowlingson, B Sloan, T Snow, Sw Whelan, Ep Barczewski, T Kleinknecht, K Raab, J Renk, B Roehn, S Sander, Hg Schmidt, H Steeg, F Walther, Sm Wolf, B Aubert, Jj Benchouk, C Bernard, V Bonissent, A Carr, J Coyle, P Drinkard, J Etienne, F Papalexiou, S Payre, P Pietrzyk, B Qian, Z Rousseau, D Schwemling, P Talby, M Adlung, S Becker, H Blum, W Brown, D Cattaneo, P Cowan, G Dehning, B Dietl, H Dydak, F Fernandezbosman, M Hanslkozanecka, T Jahn, A Kozanecki, W Lange, E Lauber, J Lutjens, G Latz, G Manner, W Pan, Y Richter, R Schroder, J Schwarz, A Settles, R Stierlin, U Stdenis, R Takashima, M Thomas, J Wolf, G Bertin, V Boucrot, J Callot, O Chen, X Cordier, A Davier, M Ganis, G Grivaz, Jf Heusse, P Janot, P Kim, Dw Lediberder, F Lefrancois, J Lutz, Am Veillet, Jj Videau, I Zhang, Z Zomer, F Abbaneo, D Amendolia, Sr Bagliesi, G Batignani, G Bosisio, L Bottigli, U Bradaschia, C Carpinelli, M Ciocci, Ma Dellorso, R Ferrante, I Fidecaro, F Foa, L Focardi, E Forti, F Gatto, C Giassi, A Giorgi, Ma Ligabue, Franco Mannelli, Eb Marrocchesi, P Messineo, A Palla, F Sanguinetti, G Steinberger, J Tenchini, R Tonelli, G Triggiani, G Vannini, C Venturi, A Verdini, Pg Walsh, J Carter, Jm Green, Mg March, Pv Medcalf, T Quazi, I Strong, Ja Thomas, Rm West, Lr Wildish, T Botterill, Dr Clifft, Rw Edgecock, Tr Edwards, M Fisher, Sm Jones, Tj Norton, Pr Salmon, Dp Thompson, Jc Blochdevaux, B Colas, P Locci, E Loucatos, S Monnier, E Perez, P Perlas, Ja Perrier, F Rander, J Renardy, Jf Roussarie, A Schuller, Jp Schwindling, J Vallage, B Ashman, Jg Booth, Cn Buttar, C Carney, R Cartwright, S Combley, F Dinsdale, M Dogru, M Hatfield, F Martin, J Parker, D Reeves, P Thompson, Lf Barberio, E Brandt, S Grupen, C Meinhard, H Mirabito, L Schafer, U Seywerd, H Giannini, G Gobbo, B Ragusa, F Stiegler, U Bellantoni, L Cinabro, D Conway, J Cowen, Df Feng, Z Ferguson, Dp Grahl, J Harton, Jl Jared, Rc Johnson, Rp Leclaire, Bw Lishka, C Pan, Yb Pater, Jr Saadi, Y Sharma, V Shi, Zh Tang, Yh Walsh, Am Wear, Ja Weber, Fv Whitney, Mh Wu, Sl Zobernig, G Denis Richard/C 8997 2012 Forti Francesco/H 3035 2011 Ferrante Isidoro/F 1017 2012, RI Perrier Frederic/A 5953 2011 ANTONELLI ANTONELLA/C 6238 2011 Buttar Craig/D 3706 2011 Stahl Achim/E 8846 2011 Passalacqua Luca/F 5127 2011 Murtas Fabrizio/B 5729 2012 S. t. Lees, J Minard, M Crespo, J Mir, L Catanesi, M Atwood, W Bauerdick, L Burnett, T Forty, R Lusiani, A Moser, H Bencheikh, A Montret, J Hansen, J Hansen, P Brient, J Candlin, D Murtas, G Halley, A Hearns, J Lynch, J Morton, W Scarr, J Turnbull, R Kluge, E Belk, A Binnie, D Dornan, P Greene, A Hassard, J Lieske, N Patton, S Payne, D Phillips, M Sedgbeer, J Tomalin, I Wright, A Bowdery, C Brodbeck, T Finch, A Keemer, N Snow, S Whelan, E Sander, H Walther, S Aubert, J Grivaz, J Kim, D Lutz, A Veillet, J Amendolia, S Ciocci, M Giorgi, M Ligabue, F Mannelli, E Verdini, P Carter, J Green, M March, P Strong, J Thomas, R West, L Botterill, D Clifft, R Edgecock, T Fisher, S Jones, T Norton, P Salmon, D Thompson, J Perlas, J Renardy, J Schuller, J Ashman, J Booth, C Thompson, L Cowen, D Ferguson, D Harton, J Jared, R Johnson, R Leclaire, B Pater, J Shi, Z Tang, Y Walsh, A Wear, J Weber, F Whitney, M Wu, S
Source :
ResearcherID
Publication Year :
1992
Publisher :
Elsevier BV, 1992.
Abstract
During 1989 and 1990 over 200 000 hadronic and leptonic events, corresponding to about 8.5 pb-1 of data, were collected in a scan of the Z peak using the ALEPH detector at the e+ e- collider, LEP. These data, at the highest centre-of-mass energy available to date in e+ e- collisions, have allowed a broad range of searches for new particles and new phenomena to be performed in a mass range significantly higher than previously attainable. The searches performed by ALEPH for Higgs bosons, supersymmetric particles and leptoquarks, and for evidence of compositeness are reviewed. No positive signals have been observed but a comprehensive set of mass and coupling limits is presented. Branching ratio limits are given for a number of "rare" Z decays.
Details
ISSN :
03701573
Volume :
216
Database :
OpenAIRE
Journal :
Physics Reports
Accession number :
edsair.doi.dedup.....0e883ced0c958bd96996ace529f9d85c