Indirect limits on the mass of the Lightest neutralino are derived from the results of searches for charginos, neutralinos, and sleptons performed with data taken by the ALEPH Collaboration at centre-of-mass energies near the Z peak and at 130 and 136 GeV. Within the context of the Minimal Supersymmetric Standard Model and when M(<(nu)over tilde>) greater than or equal to 200 GeV/c(2), the bound M(chi) > 12.8 GeV/c(2) at the 95% confidence level applies for any tan beta. The impact of lighter sneutrinos is presented in the framework of SUSY grand unified theories; a massless neutralino is allowed only for a narrow range of tan beta, mu, and the scalar mass parameter m(0). Finally, by including Higgs mass constraints and requiring that radiative electroweak symmetry breaking occur, more stringent bounds on M(chi) as a function of tan beta are derived.
Mass limit for the lightest neutralino / Buskulic, D; Debonis, I; Decamp, D; Ghez, P; Goy, C; Lees, Jp; Lucotte, A; Minard, Mn; Nief, Jy; Odier, P; Pietrzyk, B; Casado, Mp; Chmeissani, M; Crespo, Jm; Delfino, M; Efthymiopoulos, I; Fernandez, E; Fernandezbosman, M; Garrido, L; Juste, A; Martinez, M; Orteu, S; Padilla, C; Park, Ic; Pascual, A; Perlas, Ja; Riu, I; Sanchez, F; Teubert, F; 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, Ao; Brightthomas, P; Cattaneo, M; Comas, P; Coyle, P; Drevermann, H; Forty, Rw; Frank, M; Hagelberg, R; Harvey, J; Janot, P; Jost, B; Kneringer, E; Knobloch, J; Lehraus, I; Lutters, G; Martin, Eb; Mato, P; Minten, A; Miquel, R; Mir, Lm; Moneta, L; Oest, T; Pacheco, A; Pusztaszeri, Jf; Ranjard, F; Rensing, P; Rolandi, L; Schlatter, D; Schmelling, M; Schmitt, M; Schneider, O; Tejessy, W; Tomalin, Ir; 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, Jc; Pallin, D; Perret, P; Podlyski, F; Proriol, J; Rosnet, P; Rossignol, Jm; Fearnley, T; Hansen, Jb; Hansen, Jd; Hansen, Jr; Hansen, Ph; Nilsson, Bs; Waananen, A; Kyriakis, A; Markou, C; Simopoulou, E; Siotis, I; Vayaki, A; Zachariadou, K; Blondel, A; Brient, Jc; Rouge, A; Rumpf, M; Valassi, A; Videau, H; Focardi, E; Parrini, G; Corden, M; Georgiopoulos, C; Jaffe, De; 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, Gp; Passalacqua, L; Pepealtarelli, M; Curtis, L; Dorris, Sj; Halley, Aw; Knowles, Ig; Lynch, Jg; Oshea, V; Raine, C; Reeves, P; Scarr, Jm; Smith, K; Teixeiradias, P; Thompson, As; Thomson, F; Thorn, S; Turnbull, Rm; Becker, U; Geweniger, C; Graefe, G; Hanke, P; Hansper, G; Hepp, V; Kluge, Ee; Putzer, A; Schmidt, M; Sommer, J; Stenzel, H; Tittel, K; Werner, S; Wunsch, M; Abbaneo, D; Beuselinck, R; Binnie, Dm; Cameron, W; Dornan, Pj; Morawitz, P; Moutoussi, A; Nash, J; Sedgbeer, Jk; Stacey, Am; Williams, Md; Dissertori, G; Girtler, P; Kuhn, D; Rudolph, G; Betteridge, Ap; Bowdery, Ck; Colrain, P; Crawford, G; Finch, Aj; Foster, F; Hughes, G; Sloan, T; Whelan, Ep; Williams, Mi; Galla, A; Greene, Am; Hoffmann, C; Jacobs, K; Kleinknecht, K; Quast, G; Renk, B; Rohne, E; Sander, Hg; Vangemmeren, P; Zeitnitz, C; Aubert, Jj; Bencheikh, Am; 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; Aleppo, M; Ragusa, F; Bauer, C; Berlich, R; Blum, W; Buscher, V; Dietl, H; Dydak, F; Ganis, G; Gotzhein, C; Kroha, H; Lutjens, G; Lutz, G; Manner, W; Moser, Hg; Richter, R; Rosadoschlosser, A; Schael, S; Settles, R; Seywerd, H; Denis, Rs; Wiedenmann, W; Wolf, G; Boucrot, J; Callot, O; Cordier, A; Davier, M; Duflot, L; Grivaz, Jf; Heusse, P; Hocker, A; Jacholkowska, A; Jacquet, M; Kim, Dw; Lediberder, F; Lefrancois, J; Lutz, Am; Nikolic, I; Park, Hj; Schune, Mh; Simion, S; Veillet, Jj; Videau, L; Zerwas, D; Azzurri, P; Bagliesi, G; Batignain, G; Bettarini, S; Bozzi, C; Calderini, G; Carpinelli, M; Ciocci, Ma; Ciulli, V; Dellorso, R; Fantechi, R; Ferrante, I; Giassi, A; Gregorio, A; Ligabue, F; Lusiani, A; Marrocchesi, Ps; Messineo, A; Palla, F; Rizzo, G; Sanguinetti, G; Sciaba, A; Spagnolo, P; Steinberger, J; Tenchini, R; Tonelli, G; Vannini, C; Verdini, Pg; Walsh, J; Blair, Ga; Bryant, Lm; Cerutti, F; Chambers, Jt; Gao, Y; Green, Mg; Medcalf, T; Perrodo, P; Strong, Ja; Vonwimmerspergtoeller, Jh; Botterill, Dr; Clifft, Rw; Edgecock, Tr; Haywood, S; Maley, P; Norton, Pr; Thompson, Jc; Wright, Ae; Blochdevaux, B; Colas, P; Emery, S; Kozanecki, W; Lancon, E; Lemaire, Mc; Locci, E; Marx, B; Perez, P; Rander, J; Renardy, Jf; Roussarie, A; Schuller, Jp; Schwindling, J; Trabelsi, A; Vallage, B; Black, Sn; Dann, Jh; Johnson, Rp; Kim, Hy; Litke, Am; Mcneil, Ma; Taylor, G; Booth, Cn; Boswell, R; Brew, Caj; Cartwright, S; Combley, F; Koksal, A; Letho, M; Newton, Wm; Reeve, J; Thompson, Lf; Bohrer, A; Brandt, S; Cowan, G; Grupen, C; Saraiva, P; Smolik, L; Stephan, F; Apollonio, M; Bosisio, L; Dellamarina, R; Giannini, G; Gobbo, B; Musolino, G; Putz, J; Rothberg, J; Wasserbaech, S; Williams, Rw; Armstrong, Sr; Elmer, P; Feng, Z; Ferguson, Dps; Gao, Ys; Gonzalez, S; Grahl, J; Greening, Tc; Hayes, Oj; Hu, H; Mcnamara, Pa; Nachtman, Jm; Orejudos, W; Pan, Yb; Saadi, Y; Scott, Ij; Walsh, Am; Wu, Sl; Wu, X; Yamartino, Jm; Zheng, M; Zobernig, G. - In: ZEITSCHRIFT FÜR PHYSIK. C, PARTICLES AND FIELDS. - ISSN 0170-9739. - STAMPA. - 72:4(1996), pp. 549-559. [10.1007/s002880050278]
Mass limit for the lightest neutralino
Buskulic D; DeBonis I; Decamp D; Ghez P; Goy C; Lees JP; Lucotte A; Minard MN; Nief JY; Odier P; Pietrzyk B; Casado MP; Chmeissani M; Crespo JM; Delfino M; Efthymiopoulos I; Fernandez E; FernandezBosman M; Garrido L; Juste A; Martinez M; Orteu S; Padilla C; Park IC; Pascual A; Perlas JA; Riu I; Sanchez F; Teubert F; 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 AO; BrightThomas P; Cattaneo M; Comas P; Coyle P; Drevermann H; Forty RW; Frank M; Hagelberg R; Harvey J; Janot P; Jost B; Kneringer E; Knobloch J; Lehraus I; Lutters G; Martin EB; Mato P; Minten A; Miquel R; Mir LM; Moneta L; Oest T; Pacheco A; Pusztaszeri JF; Ranjard F; Rensing P; Rolandi L; Schlatter D; Schmelling M; Schmitt M; Schneider O; Tejessy W; Tomalin IR; 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 JC; Pallin D; Perret P; Podlyski F; Proriol J; Rosnet P; Rossignol JM; Fearnley T; Hansen JB; Hansen JD; Hansen JR; Hansen PH; Nilsson BS; Waananen A; Kyriakis A; Markou C; Simopoulou E; Siotis I; Vayaki A; Zachariadou K; Blondel A; Brient JC; Rouge A; Rumpf M; Valassi A; Videau H; Focardi E; Parrini G; Corden M; Georgiopoulos C; Jaffe DE; 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 GP; Passalacqua L; PepeAltarelli M; Curtis L; Dorris SJ; Halley AW; Knowles IG; Lynch JG; OShea V; Raine C; Reeves P; Scarr JM; Smith K; TeixeiraDias P; Thompson AS; Thomson F; Thorn S; Turnbull RM; Becker U; Geweniger C; Graefe G; Hanke P; Hansper G; Hepp V; Kluge EE; Putzer A; Schmidt M; Sommer J; Stenzel H; Tittel K; Werner S; Wunsch M; Abbaneo D; Beuselinck R; Binnie DM; Cameron W; Dornan PJ; Morawitz P; Moutoussi A; Nash J; Sedgbeer JK; Stacey AM; Williams MD; Dissertori G; Girtler P; Kuhn D; Rudolph G; Betteridge AP; Bowdery CK; Colrain P; Crawford G; Finch AJ; Foster F; Hughes G; Sloan T; Whelan EP; Williams MI; Galla A; Greene AM; Hoffmann C; Jacobs K; Kleinknecht K; Quast G; Renk B; Rohne E; Sander HG; vanGemmeren P; Zeitnitz C; Aubert JJ; Bencheikh AM; 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; Aleppo M; Ragusa F; Bauer C; Berlich R; Blum W; Buscher V; Dietl H; Dydak F; Ganis G; Gotzhein C; Kroha H; Lutjens G; Lutz G; Manner W; Moser HG; Richter R; RosadoSchlosser A; Schael S; Settles R; Seywerd H; Denis RS; Wiedenmann W; Wolf G; Boucrot J; Callot O; Cordier A; Davier M; Duflot L; Grivaz JF; Heusse P; Hocker A; Jacholkowska A; Jacquet M; Kim DW; LeDiberder F; Lefrancois J; Lutz AM; Nikolic I; Park HJ; Schune MH; Simion S; Veillet JJ; Videau L; Zerwas D; Azzurri P; Bagliesi G; Batignain G; Bettarini S; Bozzi C; Calderini G; Carpinelli M; Ciocci MA; Ciulli V; DellOrso R; Fantechi R; Ferrante I; Giassi A; Gregorio A; Ligabue F; Lusiani A; Marrocchesi PS; Messineo A; Palla F; Rizzo G; Sanguinetti G; Sciaba A; Spagnolo P; Steinberger J; Tenchini R; Tonelli G; Vannini C; Verdini PG; Walsh J; Blair GA; Bryant LM; Cerutti F; Chambers JT; Gao Y; Green MG; Medcalf T; Perrodo P; Strong JA; vonWimmerspergToeller JH; Botterill DR; Clifft RW; Edgecock TR; Haywood S; Maley P; Norton PR; Thompson JC; Wright AE; BlochDevaux B; Colas P; Emery S; Kozanecki W; Lancon E; Lemaire MC; Locci E; Marx B; Perez P; Rander J; Renardy JF; Roussarie A; Schuller JP; Schwindling J; Trabelsi A; Vallage B; Black SN; Dann JH; Johnson RP; Kim HY; Litke AM; McNeil MA; Taylor G; Booth CN; Boswell R; Brew CAJ; Cartwright S; Combley F; Koksal A; Letho M; Newton WM; Reeve J; Thompson LF; Bohrer A; Brandt S; Cowan G; Grupen C; Saraiva P; Smolik L; Stephan F; Apollonio M; Bosisio L; DellaMarina R; Giannini G; Gobbo B; Musolino G; Putz J; Rothberg J; Wasserbaech S; Williams RW; Armstrong SR; Elmer P; Feng Z; Ferguson DPS; Gao YS; Gonzalez S; Grahl J; Greening TC; Hayes OJ; Hu H; McNamara PA; Nachtman JM; Orejudos W; Pan YB; Saadi Y; Scott IJ; Walsh AM; Wu SL; Wu X; Yamartino JM; Zheng M; Zobernig G
1996-01-01
Abstract
Indirect limits on the mass of the Lightest neutralino are derived from the results of searches for charginos, neutralinos, and sleptons performed with data taken by the ALEPH Collaboration at centre-of-mass energies near the Z peak and at 130 and 136 GeV. Within the context of the Minimal Supersymmetric Standard Model and when M(<(nu)over tilde>) greater than or equal to 200 GeV/c(2), the bound M(chi) > 12.8 GeV/c(2) at the 95% confidence level applies for any tan beta. The impact of lighter sneutrinos is presented in the framework of SUSY grand unified theories; a massless neutralino is allowed only for a narrow range of tan beta, mu, and the scalar mass parameter m(0). Finally, by including Higgs mass constraints and requiring that radiative electroweak symmetry breaking occur, more stringent bounds on M(chi) as a function of tan beta are derived.
Citazione
Mass limit for the lightest neutralino / Buskulic, D; Debonis, I; Decamp, D; Ghez, P; Goy, C; Lees, Jp; Lucotte, A; Minard, Mn; Nief, Jy; Odier, P; Pietrzyk, B; Casado, Mp; Chmeissani, M; Crespo, Jm; Delfino, M; Efthymiopoulos, I; Fernandez, E; Fernandezbosman, M; Garrido, L; Juste, A; Martinez, M; Orteu, S; Padilla, C; Park, Ic; Pascual, A; Perlas, Ja; Riu, I; Sanchez, F; Teubert, F; 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, Ao; Brightthomas, P; Cattaneo, M; Comas, P; Coyle, P; Drevermann, H; Forty, Rw; Frank, M; Hagelberg, R; Harvey, J; Janot, P; Jost, B; Kneringer, E; Knobloch, J; Lehraus, I; Lutters, G; Martin, Eb; Mato, P; Minten, A; Miquel, R; Mir, Lm; Moneta, L; Oest, T; Pacheco, A; Pusztaszeri, Jf; Ranjard, F; Rensing, P; Rolandi, L; Schlatter, D; Schmelling, M; Schmitt, M; Schneider, O; Tejessy, W; Tomalin, Ir; 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, Jc; Pallin, D; Perret, P; Podlyski, F; Proriol, J; Rosnet, P; Rossignol, Jm; Fearnley, T; Hansen, Jb; Hansen, Jd; Hansen, Jr; Hansen, Ph; Nilsson, Bs; Waananen, A; Kyriakis, A; Markou, C; Simopoulou, E; Siotis, I; Vayaki, A; Zachariadou, K; Blondel, A; Brient, Jc; Rouge, A; Rumpf, M; Valassi, A; Videau, H; Focardi, E; Parrini, G; Corden, M; Georgiopoulos, C; Jaffe, De; 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, Gp; Passalacqua, L; Pepealtarelli, M; Curtis, L; Dorris, Sj; Halley, Aw; Knowles, Ig; Lynch, Jg; Oshea, V; Raine, C; Reeves, P; Scarr, Jm; Smith, K; Teixeiradias, P; Thompson, As; Thomson, F; Thorn, S; Turnbull, Rm; Becker, U; Geweniger, C; Graefe, G; Hanke, P; Hansper, G; Hepp, V; Kluge, Ee; Putzer, A; Schmidt, M; Sommer, J; Stenzel, H; Tittel, K; Werner, S; Wunsch, M; Abbaneo, D; Beuselinck, R; Binnie, Dm; Cameron, W; Dornan, Pj; Morawitz, P; Moutoussi, A; Nash, J; Sedgbeer, Jk; Stacey, Am; Williams, Md; Dissertori, G; Girtler, P; Kuhn, D; Rudolph, G; Betteridge, Ap; Bowdery, Ck; Colrain, P; Crawford, G; Finch, Aj; Foster, F; Hughes, G; Sloan, T; Whelan, Ep; Williams, Mi; Galla, A; Greene, Am; Hoffmann, C; Jacobs, K; Kleinknecht, K; Quast, G; Renk, B; Rohne, E; Sander, Hg; Vangemmeren, P; Zeitnitz, C; Aubert, Jj; Bencheikh, Am; 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; Aleppo, M; Ragusa, F; Bauer, C; Berlich, R; Blum, W; Buscher, V; Dietl, H; Dydak, F; Ganis, G; Gotzhein, C; Kroha, H; Lutjens, G; Lutz, G; Manner, W; Moser, Hg; Richter, R; Rosadoschlosser, A; Schael, S; Settles, R; Seywerd, H; Denis, Rs; Wiedenmann, W; Wolf, G; Boucrot, J; Callot, O; Cordier, A; Davier, M; Duflot, L; Grivaz, Jf; Heusse, P; Hocker, A; Jacholkowska, A; Jacquet, M; Kim, Dw; Lediberder, F; Lefrancois, J; Lutz, Am; Nikolic, I; Park, Hj; Schune, Mh; Simion, S; Veillet, Jj; Videau, L; Zerwas, D; Azzurri, P; Bagliesi, G; Batignain, G; Bettarini, S; Bozzi, C; Calderini, G; Carpinelli, M; Ciocci, Ma; Ciulli, V; Dellorso, R; Fantechi, R; Ferrante, I; Giassi, A; Gregorio, A; Ligabue, F; Lusiani, A; Marrocchesi, Ps; Messineo, A; Palla, F; Rizzo, G; Sanguinetti, G; Sciaba, A; Spagnolo, P; Steinberger, J; Tenchini, R; Tonelli, G; Vannini, C; Verdini, Pg; Walsh, J; Blair, Ga; Bryant, Lm; Cerutti, F; Chambers, Jt; Gao, Y; Green, Mg; Medcalf, T; Perrodo, P; Strong, Ja; Vonwimmerspergtoeller, Jh; Botterill, Dr; Clifft, Rw; Edgecock, Tr; Haywood, S; Maley, P; Norton, Pr; Thompson, Jc; Wright, Ae; Blochdevaux, B; Colas, P; Emery, S; Kozanecki, W; Lancon, E; Lemaire, Mc; Locci, E; Marx, B; Perez, P; Rander, J; Renardy, Jf; Roussarie, A; Schuller, Jp; Schwindling, J; Trabelsi, A; Vallage, B; Black, Sn; Dann, Jh; Johnson, Rp; Kim, Hy; Litke, Am; Mcneil, Ma; Taylor, G; Booth, Cn; Boswell, R; Brew, Caj; Cartwright, S; Combley, F; Koksal, A; Letho, M; Newton, Wm; Reeve, J; Thompson, Lf; Bohrer, A; Brandt, S; Cowan, G; Grupen, C; Saraiva, P; Smolik, L; Stephan, F; Apollonio, M; Bosisio, L; Dellamarina, R; Giannini, G; Gobbo, B; Musolino, G; Putz, J; Rothberg, J; Wasserbaech, S; Williams, Rw; Armstrong, Sr; Elmer, P; Feng, Z; Ferguson, Dps; Gao, Ys; Gonzalez, S; Grahl, J; Greening, Tc; Hayes, Oj; Hu, H; Mcnamara, Pa; Nachtman, Jm; Orejudos, W; Pan, Yb; Saadi, Y; Scott, Ij; Walsh, Am; Wu, Sl; Wu, X; Yamartino, Jm; Zheng, M; Zobernig, G. - In: ZEITSCHRIFT FÜR PHYSIK. C, PARTICLES AND FIELDS. - ISSN 0170-9739. - STAMPA. - 72:4(1996), pp. 549-559. [10.1007/s002880050278]
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