Search for supersymmetric particles in e(+)e(-) collisions at centre-of-mass energies of 130 and 136 GeV

Buskulic, D.; Debonis, I.; Decamp, D.; Ghez, P.; Goy, C.; Lees, J.; Lucotte, A.; Minard, M.; Odier, P.; Pietrzyk, B.; Chmeissani, M.; Crespo, J.; Delfino, M.; Efthymiopoulos, I.; Fernandez, E.; Fernandez Bosman, M.; Garrido, L.; Juste, A.; Martinez, M.; Orteu, S.; Pacheco, A.; Padilla, G.; Pascual, A.; Perlas, J.; Riu, I.; Sanchez, E.; Teubert, E.; Colaleo, A.; Creanza, D.; Depalma, M.; Gelao, G.; Girone, M.; Iaselli, G.; Maggi, G.; Maggi, M.; Marinelli, N.; Nuzzo, S.; Ranieri, A.; Raso, G.; Ruggieri, F.; Selvaggi, G.; Silvestris, L.; Tempesta, P.; Zito, G.; Huang, X.; Lin, J.; Ouyang, Q.; Wang, T.; Xie, Y.; Xu, R.; Xue, S.; Zhang, J.; Zhang, L.; Zhao, W.; Alemany, R.; Bazarko, A.; Cattaneo, M.; Comas, P.; Coyle, P.; Drevermann, H.; Forty, R.; Frank, M.; Hagelberg, R.; Harvey, J.; Janot, P.; Jost, B.; Kneringer, E.; Knobloch, J.; Lehraus, I.; Martin, E.; Mato, P.; Minten, A.; Miquel, R.; Mir, L.; Moneta, L.; Oest, T.; Palla, F.; Pusztaszeri, J.; Ranjard, F.; Rensing, P.; Rolandi, L.; Schlatter, D.; Schmelling, M.; Schneider, O.; Tejessy, W.; Tomalin, I.; Venturi, A.; Wachsmuth, H.; Wagner, A.; Ajaltouni, Z.; Barres, A.; Boyer, C.; Falvard, A.; Gay, P.; Guicheney, C.; Henrard, P.; Jousset, J.; Michel, B.; Monteil, S.; Montret, J.; Pallin, D.; Perret, P.; Podlyski, F.; Proriol, J.; Rossignol, J.; Fearnley, T.; Hansen, J.; Hansen, J.; Hansen, J.; Hansen, P.; Nilsson, B.; Waananen, A.; Kyriakis, A.; Markou, C.; Simopoulou, E.; Siotis, I.; Vayaki, A.; Zachariadou, K.; Blonde, A.; Brient, J.; Rouge, A.; Rumpf, M.; Valassi, A.; Videau, H.; Candlin, D.; Parsons, M.; Focardi, E.; Panini, G.; Corden, M.; Georgiopoulos, C.; Jaffe, D.; Antonelli, A.; Bencivenni, G.; Bologna, G.; Bossi, F.; Campana, P.; Capon, G.; Casper, D.; Chiarella, V.; Felici, G.; Laurelli, P.; Mannocchi, G.; Murtas, F.; Murtas, G.; Passalacqua, L.; Pepealtarelli, M.; Curtis, L.; Dorris, S.; Halley, A.; Knowles, I.; Lynch, J.; Oshea, V.; Raine, C.; Reeves, P.; Scarr, J.; Smith, K.; Thompson, A.; Thomson, F.; Thorn, S.; Turnbull, R.; Becker, U.; Geweniger, C.; Graefe, G.; Hanke, P.; Hansper, G.; Hepp, V.; Kluge, E.; Putzer, A.; Rensch, B.; Schmidt, M.; Sommer, J.; Stenzel, H.; Tittel, K.; Werner, S.; Wunsch, M.; Abbaneo, D.; Beuselinck, R.; Binnie, D.; Cameron, W.; Dorman, P.; Moutoussi, A.; Nash, J.; Sedgbeer, J.; Stacey, A.; Williams, M.; Dissertori, G.; Girtler, P.; Kuhn, D.; Rudolph, G.; Betteridge, A.; Bowdery, C.; Colrain, P.; Crawford, G.; Finch, A.; Foster, F.; Hughes, G.; Sloan, T.; Williams, M.; Galla, A.; Greene, A.; Hoffmann, C.; Kleinknecht, K.; Quast, G.; Renk, B.; Rohne, E.; Sander, H.; Vangemmeren, P.; Zeitnitz, C.; Aubert, J.; Bencheikh, A.; Benchouk, C.; Bonissent, A.; Bujosa, G.; Calvet, D.; Carr, J.; Diaconu, C.; Konstantinidis, N.; Payre, P.; Rousseau, D.; Talby, M.; Sadouki, A.; Thulasidas, M.; Tilquin, A.; Trabelsi, K.; Abt, I.; Assmann, R.; Bauer, C.; Blum, W.; Dietl, H.; Dydak, F.; Ganis, G.; Gotzhein, C.; Jakobs, K.; Kroha, H.; Lutjens, G.; Lutz, G.; Manner, W.; Moser, H.; Richter, I.; Rosadoschlosser, A.; Schael, S.; Settles, R.; Seywerd, H.; Stdenis, R.; Wiedenmann, W.; Wolf, G.; Boucrot, J.; Callot, O.; Cordier, A.; Davier, M.; Duflot, L.; Grivaz, J.; Heusse, P.; Hocker, A.; Jacquet, M.; Kim, D.; Lediberder, E.; Lefrancois, J.; Lutz, A.; Nikolic, I.; Park, H.; Park, I.; Schune, M.; Simion, S.; Veillet, J.; Videau, I.; Zerwas, D.; Azzurri, P.; Bagliesi, G.; Batignani, G.; Bettarini, S.; Bozzi, C.; Calderini, G.; Carpinelli, M.; Ciocci, M.; Ciulli, V.; Dellorso, R.; Fantechi, R.; Ferrante, I.; Giassi, A.; Gregorio, A.; Ligabue, F.; Lusiani, A.; Marrocchesi, P.; Messineo, A.; Rizzo, G.; Sanguinetti, G.; Sciaba, A.; Spagnolo, P.; Steinberger, J.; Tenchini, R.; Tonelli, G.; Vannini, C.; Verdini, P.; Walsh, J.; Blair, G.; Bryant, L.; Cerutti, F.; Chambers, J.; Gao, Y.; Green, M.; Medcalf, T.; Perrodo, P.; Strong, J.; Vonwimmerspergtoeller, J.; Botterill, D.; Clifft, R.; Edgecock, T.; Haywood, S.; Maley, P.; Norton, P.; Thompson, J.; Wright, A.; Blochdevaux, B.; Colas, P.; Emery, S.; Kozanecki, W.; Lanson, E.; Lemaire, M.; Locci, E.; Marx, B.; Perez, P.; Rander, J.; Renardy, J.; Roussarie, A.; Schuller, J.; Schwindling, J.; Trabelsi, A.; Vallage, B.; Black, S.; Dann, J.; Johnson, R.; Kim, H.; Litke, A.; Mcneil, M.; Taylor, G.; Booth, C.; Boswell, R.; Brew, C.; Cartwright, S.; Combley, F.; Koksal, A.; Letho, M.; Newton, W.; Reeve, J.; Thompson, L.; Bohrer, A.; Brandt, S.; Buscher, V.; Cowan, G.; Grupen, C.; Lutters, G.; Saraiva, P.; Smolik, L.; Stephan, F.; Aleppo, M.R.A.; Apollonio, M.; Bosisio, L.; Dellamarina, R.; Giannini, G.; Gobbo, B.; Musolino, G.; Ragusa, F.; Putz, J.; Rothberg, J.; Wasserbaech, S.; Williams, R.; Armstrong, S.; Bellantoni, L.; Elmer, P.; Feng, Z.; Ferguson, D.; Gao, Y.; Gonzalez, S.; Grahl, J.; Greening, T.; Harton, J.; Hayes, O.; Hu, H.; Mcnamara, P.; Nachtman, J.; Orejudos, W.; Pan, Y.; Saadi, Y.; Schmitt, M.; Scott, I.; Sharma, V.; Turk, J.; Walsh, A.; Wu, S.; Wu, X.; Yamartino, J.; Zheng, M.; Zobernig, G.

doi:10.1016/0370-2693(96)00182-7

Searches for supersymmetric particles produced in e(+)e(-) collisions at centre-of-mass energies of 130 and 136 GeV have been performed in a data sample of 5.7 pb(-1) collected in the autumn of 1995 by the ALEPH detector at LEP. No candidate events were found, allowing limits to be set on the masses and production cross-sections of scalar leptons, scalar tops, charginos and neutralinos. The domains previously excluded at LEP1 are substantially extended. For instance, masses of gaugino-like charginos smaller than 67.8 GeV/c(2) are excluded at the 95% C.L. for scalar neutrino masses larger than 200 GeV/c(2).

Search for supersymmetric particles in e(+)e(-) collisions at centre-of-mass energies of 130 and 136 GeV / D. Buskulic, I. DeBonis, D. Decamp, P. Ghez, C. Goy, J. Lees, A. Lucotte, M. Minard, P. Odier, B. Pietrzyk, M. Chmeissani, J. Crespo, M. Delfino, I. Efthymiopoulos, E. Fernandez, M. Fernandez Bosman, L. Garrido, A. Juste, M. Martinez, S. Orteu, A. Pacheco, G. Padilla, A. Pascual, J. Perlas, I. Riu, E. Sanchez, E. Teubert, A. Colaleo, D. Creanza, M. dePalma, G. Gelao, M. Girone, G. Iaselli, G. Maggi, M. Maggi, N. Marinelli, S. Nuzzo, A. Ranieri, G. Raso, F. Ruggieri, G. Selvaggi, L. Silvestris, P. Tempesta, G. Zito, X. Huang, J. Lin, Q. Ouyang, T. Wang, Y. Xie, R. Xu, S. Xue, J. Zhang, L. Zhang, W. Zhao, R. Alemany, A. Bazarko, M. Cattaneo, P. Comas, P. Coyle, H. Drevermann, R. Forty, M. Frank, R. Hagelberg, J. Harvey, P. Janot, B. Jost, E. Kneringer, J. Knobloch, I. Lehraus, E. Martin, P. Mato, A. Minten, R. Miquel, L. Mir, L. Moneta, T. Oest, F. Palla, J. Pusztaszeri, F. Ranjard, P. Rensing, L. Rolandi, D. Schlatter, M. Schmelling, O. Schneider, W. Tejessy, I. Tomalin, A. Venturi, H. Wachsmuth, A. Wagner, Z. Ajaltouni, A. Barres, C. Boyer, A. Falvard, P. Gay, C. Guicheney, P. Henrard, J. Jousset, B. Michel, S. Monteil, J. Montret, D. Pallin, P. Perret, F. Podlyski, J. Proriol, J. Rossignol, T. Fearnley, J. Hansen, J. Hansen, J. Hansen, P. Hansen, B. Nilsson, A. Waananen, A. Kyriakis, C. Markou, E. Simopoulou, I. Siotis, A. Vayaki, K. Zachariadou, A. Blonde, J. Brient, A. Rouge, M. Rumpf, A. Valassi, H. Videau, D. Candlin, M. Parsons, E. Focardi, G. Panini, M. Corden, C. Georgiopoulos, D. Jaffe, A. Antonelli, G. Bencivenni, G. Bologna, F. Bossi, P. Campana, G. Capon, D. Casper, V. Chiarella, G. Felici, P. Laurelli, G. Mannocchi, F. Murtas, G. Murtas, L. Passalacqua, M. PepeAltarelli, L. Curtis, S. Dorris, A. Halley, I. Knowles, J. Lynch, V. OShea, C. Raine, P. Reeves, J. Scarr, K. Smith, A. Thompson, F. Thomson, S. Thorn, R. Turnbull, U. Becker, C. Geweniger, G. Graefe, P. Hanke, G. Hansper, V. Hepp, E. Kluge, A. Putzer, B. Rensch, M. Schmidt, J. Sommer, H. Stenzel, K. Tittel, S. Werner, M. Wunsch, D. Abbaneo, R. Beuselinck, D. Binnie, W. Cameron, P. Dorman, A. Moutoussi, J. Nash, J. Sedgbeer, A. Stacey, M. Williams, G. Dissertori, P. Girtler, D. Kuhn, G. Rudolph, A. Betteridge, C. Bowdery, P. Colrain, G. Crawford, A. Finch, F. Foster, G. Hughes, T. Sloan, M. Williams, A. Galla, A. Greene, C. Hoffmann, K. Kleinknecht, G. Quast, B. Renk, E. Rohne, H. Sander, P. vanGemmeren, C. Zeitnitz, J. Aubert, A. Bencheikh, C. Benchouk, A. Bonissent, G. Bujosa, D. Calvet, J. Carr, C. Diaconu, N. Konstantinidis, P. Payre, D. Rousseau, M. Talby, A. Sadouki, M. Thulasidas, A. Tilquin, K. Trabelsi, I. Abt, R. Assmann, C. Bauer, W. Blum, H. Dietl, F. Dydak, G. Ganis, C. Gotzhein, K. Jakobs, H. Kroha, G. Lutjens, G. Lutz, W. Manner, H. Moser, I. Richter, A. RosadoSchlosser, S. Schael, R. Settles, H. Seywerd, R. StDenis, W. Wiedenmann, G. Wolf, J. Boucrot, O. Callot, A. Cordier, M. Davier, L. Duflot, J. Grivaz, P. Heusse, A. Hocker, M. Jacquet, D. Kim, E. LeDiberder, J. Lefrancois, A. Lutz, I. Nikolic, H. Park, I. Park, M. Schune, S. Simion, J. Veillet, I. Videau, D. Zerwas, P. Azzurri, G. Bagliesi, G. Batignani, S. Bettarini, C. Bozzi, G. Calderini, M. Carpinelli, M. Ciocci, V. Ciulli, R. DellOrso, R. Fantechi, I. Ferrante, A. Giassi, A. Gregorio, F. Ligabue, A. Lusiani, P. Marrocchesi, A. Messineo, G. Rizzo, G. Sanguinetti, A. Sciaba, P. Spagnolo, J. Steinberger, R. Tenchini, G. Tonelli, C. Vannini, P. Verdini, J. Walsh, G. Blair, L. Bryant, F. Cerutti, J. Chambers, Y. Gao, M. Green, T. Medcalf, P. Perrodo, J. Strong, J. vonWimmerspergToeller, D. Botterill, R. Clifft, T. Edgecock, S. Haywood, P. Maley, P. Norton, J. Thompson, A. Wright, B. BlochDevaux, P. Colas, S. Emery, W. Kozanecki, E. Lanson, M. Lemaire, E. Locci, B. Marx, P. Perez, J. Rander, J. Renardy, A. Roussarie, J. Schuller, J. Schwindling, A. Trabelsi, B. Vallage, S. Black, J. Dann, R. Johnson, H. Kim, A. Litke, M. McNeil, G. Taylor, C. Booth, R. Boswell, C. Brew, S. Cartwright, F. Combley, A. Koksal, M. Letho, W. Newton, J. Reeve, L. Thompson, A. Bohrer, S. Brandt, V. Buscher, G. Cowan, C. Grupen, G. Lutters, P. Saraiva, L. Smolik, F. Stephan, M.R.A. Aleppo, M. Apollonio, L. Bosisio, R. DellaMarina, G. Giannini, B. Gobbo, G. Musolino, F. Ragusa, J. Putz, J. Rothberg, S. Wasserbaech, R. Williams, S. Armstrong, L. Bellantoni, P. Elmer, Z. Feng, D. Ferguson, Y. Gao, S. Gonzalez, J. Grahl, T. Greening, J. Harton, O. Hayes, H. Hu, P. McNamara, J. Nachtman, W. Orejudos, Y. Pan, Y. Saadi, M. Schmitt, I. Scott, V. Sharma, J. Turk, A. Walsh, S. Wu, X. Wu, J. Yamartino, M. Zheng, G. Zobernig. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 373:1/3(1996), pp. 246-260.

Search for supersymmetric particles in e(+)e(-) collisions at centre-of-mass energies of 130 and 136 GeV

D. Buskulic;I. DeBonis;D. Decamp;P. Ghez;C. Goy;J. Lees;A. Lucotte;M. Minard;P. Odier;B. Pietrzyk;M. Chmeissani;J. Crespo;M. Delfino;I. Efthymiopoulos;E. Fernandez;M. Fernandez Bosman;L. Garrido;A. Juste;M. Martinez;S. Orteu;A. Pacheco;G. Padilla;A. Pascual;J. Perlas;I. Riu;E. Sanchez;E. Teubert;A. Colaleo;D. Creanza;M. dePalma;G. Gelao;M. Girone;G. Iaselli;G. Maggi;M. Maggi;N. Marinelli;S. Nuzzo;A. Ranieri;G. Raso;F. Ruggieri;G. Selvaggi;L. Silvestris;P. Tempesta;G. Zito;X. Huang;J. Lin;Q. Ouyang;T. Wang;Y. Xie;R. Xu;S. Xue;J. Zhang;L. Zhang;W. Zhao;R. Alemany;A. Bazarko;M. Cattaneo;P. Comas;P. Coyle;H. Drevermann;R. Forty;M. Frank;R. Hagelberg;J. Harvey;P. Janot;B. Jost;E. Kneringer;J. Knobloch;I. Lehraus;E. Martin;P. Mato;A. Minten;R. Miquel;L. Mir;L. Moneta;T. Oest;F. Palla;J. Pusztaszeri;F. Ranjard;P. Rensing;L. Rolandi;D. Schlatter;M. Schmelling;O. Schneider;W. Tejessy;I. Tomalin;A. Venturi;H. Wachsmuth;A. Wagner;Z. Ajaltouni;A. Barres;C. Boyer;A. Falvard;P. Gay;C. Guicheney;P. Henrard;J. Jousset;B. Michel;S. Monteil;J. Montret;D. Pallin;P. Perret;F. Podlyski;J. Proriol;J. Rossignol;T. Fearnley;J. Hansen;J. Hansen;J. Hansen;P. Hansen;B. Nilsson;A. Waananen;A. Kyriakis;C. Markou;E. Simopoulou;I. Siotis;A. Vayaki;K. Zachariadou;A. Blonde;J. Brient;A. Rouge;M. Rumpf;A. Valassi;H. Videau;D. Candlin;M. Parsons;E. Focardi;G. Panini;M. Corden;C. Georgiopoulos;D. Jaffe;A. Antonelli;G. Bencivenni;G. Bologna;F. Bossi;P. Campana;G. Capon;D. Casper;V. Chiarella;G. Felici;P. Laurelli;G. Mannocchi;F. Murtas;G. Murtas;L. Passalacqua;M. PepeAltarelli;L. Curtis;S. Dorris;A. Halley;I. Knowles;J. Lynch;V. OShea;C. Raine;P. Reeves;J. Scarr;K. Smith;A. Thompson;F. Thomson;S. Thorn;R. Turnbull;U. Becker;C. Geweniger;G. Graefe;P. Hanke;G. Hansper;V. Hepp;E. Kluge;A. Putzer;B. Rensch;M. Schmidt;J. Sommer;H. Stenzel;K. Tittel;S. Werner;M. Wunsch;D. Abbaneo;R. Beuselinck;D. Binnie;W. Cameron;P. Dorman;A. Moutoussi;J. Nash;J. Sedgbeer;A. Stacey;M. Williams;G. Dissertori;P. Girtler;D. Kuhn;G. Rudolph;A. Betteridge;C. Bowdery;P. Colrain;G. Crawford;A. Finch;F. Foster;G. Hughes;T. Sloan;M. Williams;A. Galla;A. Greene;C. Hoffmann;K. Kleinknecht;G. Quast;B. Renk;E. Rohne;H. Sander;P. vanGemmeren;C. Zeitnitz;J. Aubert;A. Bencheikh;C. Benchouk;A. Bonissent;G. Bujosa;D. Calvet;J. Carr;C. Diaconu;N. Konstantinidis;P. Payre;D. Rousseau;M. Talby;A. Sadouki;M. Thulasidas;A. Tilquin;K. Trabelsi;I. Abt;R. Assmann;C. Bauer;W. Blum;H. Dietl;F. Dydak;G. Ganis;C. Gotzhein;K. Jakobs;H. Kroha;G. Lutjens;G. Lutz;W. Manner;H. Moser;I. Richter;A. RosadoSchlosser;S. Schael;R. Settles;H. Seywerd;R. StDenis;W. Wiedenmann;G. Wolf;J. Boucrot;O. Callot;A. Cordier;M. Davier;L. Duflot;J. Grivaz;P. Heusse;A. Hocker;M. Jacquet;D. Kim;E. LeDiberder;J. Lefrancois;A. Lutz;I. Nikolic;H. Park;I. Park;M. Schune;S. Simion;J. Veillet;I. Videau;D. Zerwas;P. Azzurri;G. Bagliesi;G. Batignani;S. Bettarini;C. Bozzi;G. Calderini;M. Carpinelli;M. Ciocci;V. Ciulli;R. DellOrso;R. Fantechi;I. Ferrante;A. Giassi;A. Gregorio;F. Ligabue;A. Lusiani;P. Marrocchesi;A. Messineo;G. Rizzo;G. Sanguinetti;A. Sciaba;P. Spagnolo;J. Steinberger;R. Tenchini;G. Tonelli;C. Vannini;P. Verdini;J. Walsh;G. Blair;L. Bryant;F. Cerutti;J. Chambers;Y. Gao;M. Green;T. Medcalf;P. Perrodo;J. Strong;J. vonWimmerspergToeller;D. Botterill;R. Clifft;T. Edgecock;S. Haywood;P. Maley;P. Norton;J. Thompson;A. Wright;B. BlochDevaux;P. Colas;S. Emery;W. Kozanecki;E. Lanson;M. Lemaire;E. Locci;B. Marx;P. Perez;J. Rander;J. Renardy;A. Roussarie;J. Schuller;J. Schwindling;A. Trabelsi;B. Vallage;S. Black;J. Dann;R. Johnson;H. Kim;A. Litke;M. McNeil;G. Taylor;C. Booth;R. Boswell;C. Brew;S. Cartwright;F. Combley;A. Koksal;M. Letho;W. Newton;J. Reeve;L. Thompson;A. Bohrer;S. Brandt;V. Buscher;G. Cowan;C. Grupen;G. Lutters;P. Saraiva;L. Smolik;F. Stephan;M.R.A. Aleppo;M. Apollonio;L. Bosisio;R. DellaMarina;G. Giannini;B. Gobbo;G. Musolino;F. Ragusa;J. Putz;J. Rothberg;S. Wasserbaech;R. Williams;S. Armstrong;L. Bellantoni;P. Elmer;Z. Feng;D. Ferguson;Y. Gao;S. Gonzalez;J. Grahl;T. Greening;J. Harton;O. Hayes;H. Hu;P. McNamara;J. Nachtman;W. Orejudos;Y. Pan;Y. Saadi;M. Schmitt;I. Scott;V. Sharma;J. Turk;A. Walsh;S. Wu;X. Wu;J. Yamartino;M. Zheng;G. Zobernig

1996

Abstract

Searches for supersymmetric particles produced in e(+)e(-) collisions at centre-of-mass energies of 130 and 136 GeV have been performed in a data sample of 5.7 pb(-1) collected in the autumn of 1995 by the ALEPH detector at LEP. No candidate events were found, allowing limits to be set on the masses and production cross-sections of scalar leptons, scalar tops, charginos and neutralinos. The domains previously excluded at LEP1 are substantially extended. For instance, masses of gaugino-like charginos smaller than 67.8 GeV/c(2) are excluded at the 95% C.L. for scalar neutrino masses larger than 200 GeV/c(2).

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	Settori scientifico-disciplinari dell'articolo (sola visualizzazione)
	
				Settore FIS/01 - Fisica Sperimentale
Settore FIS/04 - Fisica Nucleare e Subnucleare
			
	Data di pubblicazione
	
				1996
			
	Rivista in ANCE
	
				PHYSICS LETTERS. SECTION B
			
	DOI
	
				https://dx.doi.org/10.1016/0370-2693(96)00182-7
			
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				01 - Articolo su periodico

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