Search for the neutral Higgs boson from Z0 decay

D. Decamp, B. Deschizeaux, J. P. Lees, M. N. Minard, J. M. Crespo, M. Delfino, E. Fernandez, M. Martinez, R. Miquel, Ll M. Mir, S. Orteu, A. Pacheco, J. A. Perlas, E. Tubau, M. G. Catanesi, M. De Palma, A. Farilla, G. Iaselli, G. Maggi, A. MastrogiacomoS. Natali, S. Nuzzo, A. Ranieri, G. Raso, F. Romano, F. Ruggieri, G. Selvagi, L. Silvestris, P. Tempesta, G. Zito, Y. Chen, H. Hu, D. Huang, J. Lin, T. Ruan, T. Wang, W. Wu, Y. Xie, D. Xu, R. Xu, J. Zhang, W. Zhao, H. Albrecht, F. Bird, E. Blucher, T. Charity, H. Drevermann, Ll Garrido, C. Grab, R. Hagelberg, S. Haywood, B. Jost, M. Kasemann, G. Kellner, J. Knobloch, A. Lacourt, I. Lehraus, T. Lohse, D. Lüke, A. Marchioro, P. Mato, J. May, V. Mertens, A. Minten, A. Miotto, P. Palazzi, M. Pepe-Altarelli, F. Ranjard, J. Richstein, A. Roth, J. Rothberg, H. Rotscheidt, W. Von Rüden, R. St Denis, D. Schlatter, M. Takashima, M. Talby, H. Taureg, W. Tejessy, H. Wachsmuth, S. Wheeler, W. Wiedenmann, W. Witzeling, J. Wotschack, Z. Ajaltouni, M. Bardadin-Otwinowska, A. Falvard, P. Gay, P. Henrard, J. Jousset, B. Michel, J. C. Montret, D. Pallin, P. Perret, J. Prat, J. Proriol, F. Prulhière, H. Bertelsen, F. Hansen, J. D. Hansen

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A search for the neutral Higgs boson, using the processes Z0→H0e+e-,Z0 →H0μ+μ-,Z0→H 0τ+τ-,Z0→H 0vv and Z0→H0qq, is performed on data collected by the ALEPH detector corresponding to about 11 550 events of Z0 → hadrons. Combining all these processes, the mass range excluded is 32 MeV-15 GeV at 95% CL and 40 MeV-12 GeV at 99% CL. The result from this experiment is unambiguous in the context of the standard model. © 1990.
Original languageEnglish
Pages (from-to)233-244
JournalPhysics Letters B
Issue number2
Publication statusPublished - 15 Feb 1990


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