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Higgs boson searches in CP-conserving and CP-violating MSSM scenarios with the DELPHI detector

Abdallah, J.; Abreu, P.; Adam, W.; Adzic, P.; Albrecht, T.; Alemany-Fernandez, R.; Allmendinger, T.; Allport, P. P.; Amaldi, U. and Amapane, N., et al. (2008) In European Physical Journal C. Particles and Fields 54(1). p.1-35
Abstract
This paper presents the final interpretation of the results from DELPHI on the searches for Higgs bosons in the minimal supersymmetric extension of the Standard Model (MSSM). A few representative scenarios are considered, that include CP conservation and explicit CP violation in the Higgs sector. The experimental results encompass the searches for neutral Higgs bosons at LEP1 and LEP2 in final states as expected in the MSSM, as well as LEP2 searches for charged Higgs bosons and for neutral Higgs bosons decaying into hadrons independent of the quark flavour. The data reveal no significant excess with respect to background expectations. The results are translated into excluded regions of the parameter space in the various scenarios. In the... (More)
This paper presents the final interpretation of the results from DELPHI on the searches for Higgs bosons in the minimal supersymmetric extension of the Standard Model (MSSM). A few representative scenarios are considered, that include CP conservation and explicit CP violation in the Higgs sector. The experimental results encompass the searches for neutral Higgs bosons at LEP1 and LEP2 in final states as expected in the MSSM, as well as LEP2 searches for charged Higgs bosons and for neutral Higgs bosons decaying into hadrons independent of the quark flavour. The data reveal no significant excess with respect to background expectations. The results are translated into excluded regions of the parameter space in the various scenarios. In the CP-conserving case, these lead to limits on the masses of the lightest scalar and pseudoscalar Higgs bosons, h and A, and on tan beta. The dependence of these limits on the top quark mass is discussed. Allowing for CP violation reduces the experimental sensitivity to Higgs bosons. It is shown that this effect depends strongly on the values of the parameters responsible for CP violation in the Higgs sector. (Less)
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European Physical Journal C. Particles and Fields
volume
54
issue
1
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1 - 35
publisher
Springer
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  • wos:000253052700001
  • scopus:38349006270
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1434-6044
DOI
10.1140/epjc/s10052-007-0506-1
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English
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2008-09-10 12:14:28
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@article{8bf88e87-c979-4c33-a58a-0248abc013c1,
  abstract     = {This paper presents the final interpretation of the results from DELPHI on the searches for Higgs bosons in the minimal supersymmetric extension of the Standard Model (MSSM). A few representative scenarios are considered, that include CP conservation and explicit CP violation in the Higgs sector. The experimental results encompass the searches for neutral Higgs bosons at LEP1 and LEP2 in final states as expected in the MSSM, as well as LEP2 searches for charged Higgs bosons and for neutral Higgs bosons decaying into hadrons independent of the quark flavour. The data reveal no significant excess with respect to background expectations. The results are translated into excluded regions of the parameter space in the various scenarios. In the CP-conserving case, these lead to limits on the masses of the lightest scalar and pseudoscalar Higgs bosons, h and A, and on tan beta. The dependence of these limits on the top quark mass is discussed. Allowing for CP violation reduces the experimental sensitivity to Higgs bosons. It is shown that this effect depends strongly on the values of the parameters responsible for CP violation in the Higgs sector.},
  author       = {Abdallah, J. and Abreu, P. and Adam, W. and Adzic, P. and Albrecht, T. and Alemany-Fernandez, R. and Allmendinger, T. and Allport, P. P. and Amaldi, U. and Amapane, N. and Amato, S. and Anashkin, E. and Andreazza, A. and Andringa, S. and Anjos, N. and Antilogus, P. and Apel, W-D. and Arnoud, Y. and Ask, Stefan and Asman, B. and Augustin, J. E. and Augustinus, A. and Baillon, P. and Ballestrero, A. and Bambade, P. and Barbier, R. and Bardin, D. and Barker, G. J. and Baroncelli, A. and Battaglia, M. and Baubillier, M. and Becks, K-H. and Begalli, M. and Behrmann, A. and Ben-Haim, E. and Benekos, N. and Benvenuti, A. and Berat, C. and Berggren, M. and Berntzon, L. and Bertrand, D. and Besancon, M. and Besson, N. and Bloch, D. and Blom, M. and Bluj, M. and Bonesini, M. and Boonekamp, M. and Booth, P. S. L. and Borisov, G. and Botner, O. and Bouquet, B. and Bowcock, T. J. V. and Boyko, I. and Bracko, M. and Brenner, R. and Brodet, E. and Bruckman, P. and Brunet, J. M. and Buschbeck, B. and Buschmann, P. and Calvi, M. and Camporesi, T. and Canale, V. and Carena, F. and Castro, N. and Cavallo, F. and Chapkin, M. and Charpentier, Ph. and Checchia, P. and Chierici, R. and Chliapnikov, P. and Chudoba, J. and Chung, S. U. and Cieslik, K. and Collins, P. and Contri, R. and Cosme, G. and Cossutti, F. and Costa, M. J. and Crennell, D. and Cuevas, J. and D'Hondt, J. and Dalmau, J. and Da Silva, T. and Da Silva, W. and Della Ricca, G. and De Angelis, A. and De Boer, W. and De Clercq, C. and De Lotto, B. and De Maria, N. and De Min, A. and De Paula, L. and Di Ciaccio, L. and Di Simone, A. and Doroba, K. and Drees, J. and Eigen, G. and Ekelof, T. and Ellert, M. and Elsing, M. and Espirito Santo, M. C. and Fanourakis, G. and Fassouliotis, D. and Feindt, M. and Fernandez, J. and Ferrer, A. and Ferro, F. and Flagmeyer, U. and Foeth, H. and Fokitis, E. and Fulda-Quenzer, F. and Fuster, J. and Gandelman, M. and Garcia, C. and Gavillet, Ph. and Gazis, E. and Gokieli, R. and Golob, B. and Gomez-Ceballos, G. and Goncalves, P. and Graziani, E. and Grosdidier, G. and Grzelak, K. and Guy, J. and Haag, C. and Hallgren, A. and Hamacher, K. and Hamilton, K. and Haug, S. and Hauler, F. and Hedberg, Vincent and Hennecke, M. and Herr, H. and Hoffman, J. and Holmgren, S-O. and Holt, P. J. and Houlden, M. A. and Jackson, J. N. and Jarlskog, Göran and Jarry, P. and Jeans, D. and Johansson, E. K. and Johansson, P. D. and Jonsson, P. and Joram, C. and Jungermann, L. and Kapusta, F. and Katsanevas, S. and Katsoufis, E. and Kernel, G. and Kersevan, B. P. and Kerzel, U. and King, B. T. and Kjaer, N. J. and Kluit, P. and Kokkinias, P. and Kourkoumelis, C. and Kouznetsov, O. and Krumstein, Z. and Kucharczyk, M. and Lamsa, J. and Leder, G. and Ledroit, F. and Leinonen, L. and Leitner, R. and Lemonne, J. and Lepeltier, V. and Lesiak, T. and Liebig, W. and Liko, D. and Lipniacka, A. and Lopes, J. H. and Lopez, J. M. and Loukas, D. and Lutz, P. and Lyons, L. and MacNaughton, J. and Malek, A. and Maltezos, S. and Mandl, F. and Marco, J. and Marco, R. and Marechal, B. and Margoni, M. and Marin, J-C. and Mariotti, C. and Markou, A. and Martinez-Rivero, C. and Masik, J. and Mastroyiannopoulos, N. and Matorras, F. and Matteuzzi, C. and Mazzucato, F. and Mazzucato, M. and McNulty, R. and Meroni, C. and Migliore, E. and Mitaroff, W. and Mjörnmark, Ulf and Moa, T. and Moch, M. and Moenig, K. and Monge, R. and Montenegro, J. and Moraes, D. and Moreno, S. and Morettini, P. and Mueller, U. and Muenich, K. and Mulders, M. and Mundim, L. and Murray, W. and Muryn, B. and Myatt, G. and Myklebust, T. and Nassiakou, M. and Navarria, F. and Nawrocki, K. and Nicolaidou, R. and Nikolenko, M. and Oblakowska-Mucha, A. and Obraztsov, V. and Olshevski, A. and Onofre, A. and Orava, R. and Osterberg, K. and Ouraou, A. and Oyanguren, A. and Paganoni, M. and Paiano, S. and Palacios, J. P. and Palka, H. and Papadopoulou, Th. D. and Pape, L. and Parkes, C. and Parodi, F. and Parzefall, U. and Passeri, A. and Passon, O. and Peralta, L. and Perepelitsa, V. and Perrotta, A. and Petrolini, A. and Piedra, J. and Pieri, L. and Pierre, F. and Pimenta, M. and Piotto, E. and Podobnik, T. and Poireau, V. and Pol, M. E. and Polok, G. and Pozdniakov, V. and Pukhaeva, N. and Pullia, A. and Rames, J. and Read, A. and Rebecchi, P. and Rehn, J. and Reid, D. and Reinhardt, R. and Renton, P. and Richard, F. and Ridky, J. and Rivero, M. and Rodriguez, D. and Romero, A. and Ronchese, P. and Roudeau, P. and Rovelli, T. and Ruhlmann-Kleider, V. and Ryabtchikov, D. and Sadovsky, A. and Salmi, L. and Salt, J. and Sander, C. and Savoy-Navarro, A. and Schwickerath, U. and Sekulin, R. and Siebel, M. and Sisakian, A. and Smadja, G. and Smirnova, Oxana and Sokolov, A. and Sopczak, A. and Sosnowski, R. and Spassov, T. and Stanitzki, M. and Stocchi, A. and Strauss, J. and Stugu, B. and Szczekowski, M. and Szeptycka, M. and Szumlak, T. and Tabarelli, T. and Taffard, A. C. and Tegenfeldt, F. and Timmermans, J. and Tkatchev, L. and Tobin, M. and Todorovova, S. and Tome, B. and Tonazzo, A. and Tortosa, P. and Travnicek, P. and Treille, D. and Tristram, G. and Trochimczuk, M. and Troncon, C. and Turluer, M-L. and Tyapkin, I. A. and Tyapkin, P. and Tzamarias, S. and Uvarov, V. and Valenti, G. and Van Dam, P. and Van Eldik, J. and Van Remortel, N. and Van Vulpen, I. and Vegni, G. and Veloso, F. and Venus, W. and Verdier, P. and Verzi, V. and Vilanova, D. and Vitale, L. and Vrba, V. and Wahlen, H. and Washbrook, A. J. and Weiser, C. and Wicke, D. and Wickens, J. and Wilkinson, G. and Winter, M. and Witek, M. and Yushchenko, O. and Zalewska, A. and Zalewski, P. and Zavrtanik, D. and Zhuravlov, V. and Zimin, N. I. and Zintchenko, A. and Zupan, M.},
  issn         = {1434-6044},
  language     = {eng},
  number       = {1},
  pages        = {1--35},
  publisher    = {Springer},
  series       = {European Physical Journal C. Particles and Fields},
  title        = {Higgs boson searches in CP-conserving and CP-violating MSSM scenarios with the DELPHI detector},
  url          = {http://dx.doi.org/10.1140/epjc/s10052-007-0506-1},
  volume       = {54},
  year         = {2008},
}