Search for neutral Higgs bosons of the minimal supersymmetric standard model in e+e−interactions at = 130 - 183 GeV

Acciarri, M.; Адриани, О.; Aguilar-Benı́tez, M.; Ahlen, S. P.; Alcaraz, J.; Alemanni, G.; Allaby, J.; Aloisio, A.; Alviggi, M. G.; Ambrosi, G.; Anderhub, H.; Andreev, V.; Angelescu, T.; Anselmo, F.; Arefiev, A.; Azemoon, T.; Aziz, T.; Bagnaia, P.; Baksay, L.; Banerjee, S.; Banerjee, S.; Banicz, K.; Barczyk, A.; Barillère, R.; Barone, L.; Bartalini, P.; Baschirotto, A.; Basile, M.; Battiston, R.; Bay, A.; Becattini, F.; Becker, U.; Behner, F.; Berdugo, J.; Berges, P.; Bertucci, B.; Betev, B. L.; Bhattacharya, S.; Biasini, M.; Biland, A.; Bilei, G. M.; Blaising, J. J.; Blyth, S.; Bobbink, G. J.; Böck, R.; Böhm, A.; Boldizsár, L.; Borgia, B.; Bourilkov, D.; Bourquin, M.; Braccini, S.; Branson, J. G.; Brigljević, V.; Brock, I. C.; Buffini, A.; Buijs, A.; Burger, J. D.; Burger, W. J.; Busenitz, J.; Button, A.; Cai, X. D.; Campanelli, M.; Capell, M.; Romeo, Giovanni; Carlino, G.; Cartacci, A. M.; Casaus, J.; Castellini, G.; Cavallari, F.; Cavallo, N.; Cecchi, C.; Cerrada, M.; Cesaroni, F.; Chamizo, M.; Chang, Y. H.; Chaturvedi, U. K.; Chemarin, M.; Chen, A.; Chen, G.; Chen, G.M.; Chen, H.F.; Chen, H.S.; Chéreau, X.; Chiefari, G.; Chien, C. Y.; Cifarelli, L.; Cindolo, F.; Civinini, C.; Clare, I.; Clare, R.; Coignet, G.; Colijn, A. P.; Colino, N.; Costantini, S.; Cotorobai, F.; Cruz, B. De La; Csilling, Á.; Dai, T.; D’Alessandro, R.; Asmundis, R. de; Degré, A.; Deiters, K.; Volpe, D. della; Denes, P.; DeNotaristefani, F.; Diemoz, M.; Dierendonck, D. van; Lodovico, F. Di; Dionisi, C.; Dittmar, M.; Dominguez, A.; Doria, A.; Dova, M. T.; Duchesneau, D.; Duinker, P.; Durán, I.; Easo, S.; Mamouni, H. El; Engler, A.; Eppling, F. J.; Erné, F.C.; Ernenwein, J.-P.; Extermann, P.; Fabre, Michel; Faccini, R.; Falagán, M. A.; Falciano, S.; Favara, A.; Fay, J.; Fedin, O. L.; Felcini, M.; Ferguson, T.; Ferroni, F.; Fesefeldt, H.; Fiandrini, E.; Field, J. H.; Filthaut, F.; Fisher, P. H.; Fisk, I.; Forconì, G.; Fredj, L.; Freudenreich, K.; Furetta, C.; Galaktionov, Yu.; Ganguli, S. N.; Garcı́a-Abia, P.; Gataullin, M.; Gau, S. S.; Gentile, S.; Gheordanescu, N.; Giagu, S.; Goldfarb, S.; Goldstein, J.; Gong, Z. F.; Gougas, A.; Gratta, G.; Gruenewald, M. W.; Gulik, R. van; Gupta, Virendra K.; Gurtu, A.; Gutay, L.; Haas, D.; Hartmann, B.; Hasan, A.; Hatzifotiadou, D.; Hebbeker, T.; Hervé, A.; Hidas, P.; Hirschfelder, J.; Hoek, W. C. van; Hofer, H.; Hoorani, H. R.; Hou, S.; Hu, G.; Iashvili, I.; Jin, B. N.; Jones, L. W.; Jong, P. de; Josa-Mutuberria, I.; Khan, R. A.; Kamrad, D.; Kapustinsky, J.; Kaur, M.; Kienzle‐Focacci, M. N.; Kim, D.; Kim, D.H.; Kim, J.K.; Kim, S.C.; Kinnison, W. W.; Kirkby, A.; Kirkby, D.; Kirkby, J.; Kiss, D.; Kittel, W.; Klimentov, A.; König, A. C.; Kopp, A. K.; Korolko, I.; Koutsenko, V.; Kraemer, R. W.; Krenz, W.; Kunin, A.; Lacentre, P.; Guevara, P. Ladrón de; Laktineh, I. B.; Landi, G.; Lapoint, C.; Lassila-Perini, K.; Laurikainen, P.; Lavorato, A.; Lebeau, M.; Lebedev, A.; Lebrun, P.; Lecomte, P.; Lecoq, P.; Coultre, P. Le; Lee, H.J.; Goff, J. M. Le; Leiste, R.; Leonardi, E.; Levtchenko, P.; Li, C.; Lin, C. H.; Lin, W.; Linde, F.; Lista, L.; Liu, Z.A.; Lohmann, W.; Longo, E.; Lu, W.; Lu, Y. S.; Lübelsmeyer, K.; Luci, C.; Luckey, D.; Luminari, L.; Lustermann, W.; Ma, W.G.; Maity, M.; Majumder, G.; Malgeri, L.; Малинин, А.; Mañá, C.; Mangeol, D.; Marchesini, P.; Marian, G.; Marín, A.; Martin, J. P.; Marzano, F.; Massaro, G.; Mazumdar, K.; McNeil, R. R.; Mele, S.; Merola, L.; Meschini, M.; Metzger, W. J.; Mey, M. von der; Migani, D.; Mihul, A.; Mil, A. J.W. van; Milcent, H.; Mirabelli, G.; Mnich, J.; Molnár, Péter; Monteleoni, B.; Moore, R.; Moulik, T.; Mount, R.; Muheim, F.; Muijs, A. J.M.; Nahn, S.; Napolitano, M.; Nessi‐Tedaldi, F.; Newman, H. B.; Nießen, T.; Nippe, A.; Nisati, A.; Nowak, H.; Oh, Y. D.; Organtini, G.; Ostonen, R.; Palit, Santi R.; Palomares, C.; Pandoulas, D.; Paoletti, S.; Paolucci, P.; Park, H.K.; Park, I.H.; Pascale, Gennaro De; Passaleva, G.; Patricelli, S.; Paul, T.; Pauluzzi, M.; Paus, C.; Pauß, F.; Peach, D.; Pei, Y. J.; Pensotti, S.; Perret-Gallix, D.; Petersen, B. A.; Petrak, S.; Pevsner, A.; Piccolo, D.; Pieri, M.; Piroué, P.; Pistolesi, E.; Plyaskin, V.; Pohl, M.; Pojidaev, V.; Postema, H.; Pothier, J.; Produit, N.; Prokofiev, D.; Quartieri, J.; Rahal-Callot, G.; Raja, N.; Rancoita, P.G.; Rattaggi, M.; Raven, G.; Razis, P. A.; Ren, D.; Rescigno, M.; Reucroft, S.; Rhee, T. van; Riemann, S.; Riles, K.; Robohm, A.; Rodin, J.; Roe, B. P.; Romero, L.; Rosier‐Lees, S.; Roth, Stefan; Rubio, J. A.; Ruschmeier, D.; Rykaczewski, H.; Salicio, J.; Sánchez, E.; Sanders, M. P.; Sarakinos, M. E.; Schäfer, C.; Schegelsky, V. A.; Schmidt-Kaerst, S.; Schmitz, D.; Scholz, N.; Schopper, H.; Schotanus, D. J.; Schwenke, J.; Schwering, G.; Sciacca, C.; Sciarrino, D.; Servoli, L.; Shevchenko, S.; Shivarov, N.; Shoutko, V.; Shukla, J.; Shumilov, E.; Shvorob, A.; Siedenburg, T.; Son, D.; Smith, Bryan; Спиллантини, П.; Steuer, M.; Stickland, D.; Stone, A.; Stone, Howard A.; Stoyanov, B.; Straessner, A.; Sudhakar, K.; Sultanov, G.; Sun, L. Z.; Susinno, G.; Suter, H.; Swain, J. D.; Tang, X. W.; Tauscher, L.; Taylor, L.; Timmermans, C.; Ting, Samuel C.C.; Ting, S. M.; Tonwar, S. C.; Töth, J.; Tully, C.; Tung, K. L.; Uchida, Y.; Ulbricht, J.; Valente, E.; Vesztergombi, G.; Vetlitsky, I.; Viertel, G.; Vivargent, M.; Vlachos, S.; Vogel, H.; Vogt, H.; Vorobiev, I.; Vorobyov, A. A.; Vorvolakos, A.; Wadhwa, M.; Wallraff, W.; Wang, J.C.; Wang, X.L.; Wang, Z.M.; Weber, A.; Wu, S. X.; Wynhoff, S.; Xu, J.; Xu, Z. Z.; Yang, B. Z.; Yang, C. G.; Yang, Hai; Yang, Min; Ye, J.B.; Yeh, S. C.; You, J. M.; Zalite, A.; Zalite, Yu.; Zemp, P.; Zeng, Y.; Zhang, Z.P.; Zhou, B.; Zhu, G. Y.; Zhu, R. Y.; Zichichi, A.; Ziegler, F.; Zilizi, G.

doi:10.1016/s0370-2693(98)01002-8

Cited by 10 publications

(10 citation statements)

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“…Finally, there must be at least 22 charged tracks. As in previous publications [18], the χ 2 -probability that depends on m H and m Z is used to quantify the consistency of the event with a given m H hypothesis. A loose cut is placed on this variable, but more importantly, it is used along with the b-tag to calculate the mass-dependent final discriminant.…”

Section: The Hz → Bbqq Channelmentioning

confidence: 99%

“…Once the final set of cuts has been applied, the weighted probability [15,18] that an event is consistent with the background distributions of both the b-tag and the mass variable is calculated. Since the weighted combination depends on the mass hypothesis, m H , the distributions of this discriminant are calculated for each test mass, an example of which can be found in Figures 1(c) and 1(d).…”

Section: The Hz → Bbqq Channelmentioning

confidence: 99%

“…An automated procedure [15,18] is used to optimize the selection criteria, which differentiates the Higgs signal from background based mainly on kinematic differences and large b-tag values. The cuts chosen by the optimizer, which do not depend on the m H hypothesis, are as follows.…”

Section: The Hz → Bbqq Channelmentioning

confidence: 99%

See 2 more Smart Citations

Search for the standard model Higgs boson in e+e− interactions at GeV

Acciarri¹,

Achard²,

Adriani³

et al. 1999

Physics Letters B

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A search for the Standard Model Higgs boson is carried out on 176.4 pb −1 of data collected by the L3 detector at a center-of-mass energy of 189 GeV. The data are consistent with the expectations of Standard Model processes and no evidence of a Higgs signal is observed. Combining the results of this search with those at lower center-of-mass energies, a lower limit on the mass of the Standard Model Higgs boson of 95.3 GeV is set at the 95% confidence level.

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Section: The Hz → Bbqq Channelmentioning

confidence: 99%

Section: The Hz → Bbqq Channelmentioning

confidence: 99%

See 1 more Smart Citation

Search for the standard model Higgs boson in e+e− interactions at GeV

Acciarri¹,

Achard²,

Adriani³

et al. 1999

Physics Letters B

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show abstract

“…Previous searches for the h and A bosons have been reported by L3 [3] and other experiments [4]. In this letter, our sensitivity to these particles is extended by including the data taken at √ s = 189 GeV and by scanning over a larger MSSM parameter space.…”

Section: Introductionmentioning

confidence: 89%

“…Second, a final set of selection cuts is chosen to distinguish signal from background. Once the final selection has been applied, a discriminating variable as defined in Reference [2,3] is calculated for each scan point in the (tanβ, m A ) plane.…”

Section: Analysis Proceduresmentioning

confidence: 99%

Search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model in e+e−interactions at = 189

et al. 1999

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A search for the lightest neutral scalar and neutral pseudoscalar Higgs bosons in the Minimal Supersymmetric Standard Model is performed using 176.4 pb −1 of integrated luminosity collected by L3 at a center-of-mass energy of 189 GeV. No signal is observed, and the data are consistent with the expected Standard Model background. Lower limits on the masses of the lightest neutral scalar and pseudoscalar Higgs bosons are given as a function of tanβ. Lower mass limits for tanβ > 1 are set at the 95% confidence level to be m h > 77.1 GeV and m A > 77.1 GeV.

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