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Abstract
A search is described for the neutral Higgs bosons h0 and A0 predicted by models with two scalar field doublets and, in particular, the Minimal Supersymmetric Standard Model (MSSM). The search in the Z0h0 and h0A0 production channels is based on data corresponding to an integrated luminosity of 25 pb−1 from e+e− collisions at centre-of-mass energies between 130 and 172 GeV collected with the OPAL detector at LEP. The observation of a number of candidates consistent with Standard Model background expectations is used in combination with earlier results from data collected at the Z0 resonance to set limits on mh and ma in general models with two scalar field doublets and in the MSSM. For example, in the MSSM, for tan β > 1, minimal and maximal scalar top quark mixing and soft SUSY-breaking masses of 1 TeV, the 95% confidence level limits mh > 59.0 GeV and ma > 59.5 GeV are obtained. For the first time, the MSSM parameter space is explored in a detailed scan.
Details
Title
A search for neutral Higgs bosons in the MSSM and models with two scalar field doublets
Author
Ackerstaff, K. 1 ; Alexander, G. 2 ; Allison, J. 3 ; Altekamp, N. 4 ; Anderson, K. J. 5 ; Anderson, S. 6 ; Arcelli, S. 7 ; Asai, S. 8 ; Ashby, S. F. 9 ; Axen, D. 10 ; Azuelos, G. 11 ; Ball, A. H. 12 ; Barberio, E. 1 ; Barlow, R. J. 3 ; Bartoldus, R. 13 ; Batley, J. R. 4 ; Baumann, S. 13 ; Bechtluft, J. 14 ; Behnke, T. 1 ; Bell, K. W. 15 ; Bella, G. 2 ; Bentvelsen, S. 1 ; Bethke, S. 14 ; Betts, S. 16 ; Biebel, O. 14 ; Biguzzi, A. 4 ; Bird, S. D. 3 ; Blobel, V. 17 ; Bloodworth, I. J. 9 ; Bobinski, M. 18 ; Bock, P. 19 ; Bonacorsi, D. 7 ; Boutemeur, M. 20 ; Braibant, S. 1 ; Brigliadori, L. 7 ; Brown, R. M. 15 ; Burckhart, H. J. 1 ; Burgard, C. 1 ; Bürgin, R. 18 ; Capiluppi, P. 7 ; Carnegie, R. K. 21 ; Carter, A. A. 22 ; Carter, J. R. 4 ; Chang, C. Y. 12 ; Charlton, D. G. 23 ; Chrisman, D. 24 ; Clarke, P. E. L. 16 ; Cohen, I. 2 ; Conboy, J. E. 16 ; Cooke, O. C. 1 ; Couyoumtzelis, C. 22 ; Coxe, R. L. 5 ; Cuffiani, M. 7 ; Dado, S. 25 ; Dallapiccola, C. 12 ; Dallavalle, G. M. 7 ; Davis, R. 26 ; de Jong, S. 6 ; del Pozo, L. A. 24 ; de Roeck, A. 1 ; Desch, K. 1 ; Dienes, B. 27 ; Dixit, M. S. 28 ; Doucet, M. 29 ; Dnchovni, E. 30 ; Duckeck, G. 20 ; Duerdoth, I. P. 3 ; Eatough, D. 3 ; Estabrooks, P. G. 21 ; Etzion, E. 2 ; Evans, H. G. 5 ; Evans, M. 22 ; Fabbri, F. 7 ; Fanfani, A. 7 ; Fanti, M. 7 ; Faust, A. A. 26 ; Feld, L. 1 ; Fiedler, F. 17 ; Fierro, M. 7 ; Fischer, H. M. 13 ; Fleck, I. 1 ; Folman, R. 30 ; Fong, D. G. 12 ; Foucher, M. 12 ; Fiirtjes, A. 1 ; Futyan, D. I. 3 ; Gagnon, P. 28 ; Gary, J. W. 24 ; Gascon, J. 29 ; Gascon-Shotkin, S. M. 12 ; Geddes, N. I. 15 ; Geich-Gimbel, C. 13 ; Geralis, T. 15 ; Giacomelli, G. 7 ; Giacomelli, P. 24 ; Giacomelli, R. 7 ; Gibson, V. 4 ; Gibson, W. R. 22 ; Gingrich, D. M. 31 ; Glenzinski, D. 5 ; Goldberg, J. 25 ; Goodrick, M. J. 4 ; Gorn, W. 24 ; Grandi, C. 7 ; Gross, E. 30 ; Grunhaus, J. 2 ; Gruwé, M. 17 ; Hajdu, C. 32 ; Hanson, G. G. 6 ; Hansroul, M. 1 ; Hapke, M. 22 ; Hargrove, C. K. 28 ; Hart, P. A. 5 ; Hartmann, C. 13 ; Hauschild, M. 1 ; Hawkes, C M. 4 ; Hawkings, R. 17 ; Hemingway, R. J. 21 ; Hcrndon, M. 12 ; Herten, G. 18 ; Heuer, R. D. 1 ; Hildreth, M. D. 1 ; Hill, J. C. 4 ; Hillier, S. J. 9 ; Hobson, P. R. 33 ; Hocker, A. 5 ; Homer, R. J. 9 ; Honma, A. K. 34 ; Horvath, D. 35 ; Hossain, K. R. 26 ; Howard, R. 10 ; Hüntemeyer, P. 17 ; Hutchcroft, D. E. 4 ; Igo-Kemenes, P. 19 ; Imrie, D. C. 33 ; Ishii, K. 8 ; Jawahery, A. 12 ; Jeffreys, P. W. 15 ; Jeremie, H. 29 ; Jimack, M. 9 ; Joly, A. 29 ; Jones, C. R. 4 ; Jones, M. 21 ; Jost, U. 19 ; Jovanovic, P. 9 ; Junk, T. R. 1 ; Kanzaki, J. 8 ; Karlen, D. 21 ; Kartvelishvili, V. 3 ; Kawagoe, K. 8 ; Kawamoto, T. 8 ; Kayal, P. I. 26 ; Keeler, R. K. 36 ; Kellogg, R. G. 12 ; Kennedy, B. W. 15 ; Kirk, J. 10 ; Klier, A. 30 ; Kluth, S. 1 ; Kobayashi, T. 8 ; Kobel, M. 18 ; Koetke, D. S. 21 ; Kokott, T. P. 13 ; Kolrep, M. 18 ; Komamiya, S. 8 ; Kowalewski, R. V. 36 ; Kress, T. 19 ; Krieger, P. 21 ; von Krogh, J. 19 ; Kyberd, P. 22 ; Lafferty, G. D. 3 ; Lahmann, R. 12 ; Lai, W. P. 37 ; Lanske, D. 14 ; Lauber, J. 16 ; Lautenschlager, S. R. 38 ; Lawson, I. 36 ; Layter, J. G. 24 ; Lazic, D. 25 ; Lee, A. M. 38 ; Lefebvre, E. 29 ; Lellouch, D. 30 ; Letts, J. 6 ; Levinson, L. 30 ; List, B. 1 ; Lloyd, S. L. 22 ; Loebinger, F. K. 3 ; Long, G. D. 36 ; Losty, M. J. 28 ; Ludwig, J. 18 ; Lui, D. 6 ; Maechiolo, A. 7 ; Macpherson, A. 26 ; Mannelli, M. 1 ; Marcellini, S. 7 ; Markopoulos, C. 22 ; Markus, C. 13 ; Martin, A. J. 22 ; Martin, J. P. 29 ; Martinez, G. 12 ; Mashimo, T. 8 ; Mättig, P. 30 ; McDonald, W. J. 26 ; McKenna, J. 10 ; Mckigney, E. A. 16 ; McMahon, T. J. 9 ; McPherson, R. A. 36 ; Meijers, F. 1 ; Menke, S. 13 ; Merritt, F. S. 5 ; Mes, H. 28 ; Meyer, J. 17 ; Michelini, A. 7 ; Mihara, S. 8 ; Mikenberg, G. 30 ; Miller, D. J. 16 ; Mincer, A. 39 ; Mir, R. 30 ; Mohr, W. 18 ; Montanari, A. 7 ; Mori, T. 8 ; Nagai, K. 30 ; Nakaumra, I. 8 ; Neal, H. A. 6 ; Nellen, B. 13 ; Nisius, R. 1 ; O’Neale, S. W. 9 ; Oakham, F. G. 28 ; Odorici, F. 7 ; Ogren, H. O. 6 ; Oh, A. 28 ; Oldershaw, N. J. 3 ; Oreglia, M. J. 5 ; Orito, S. 8 ; Pálinkás, J. 27 ; Pásztor, G. 32 ; Pater, J. R. 3 ; Patrick, G. N. 15 ; Patt, J. 18 ; Perez-Ochoa, R. 1 ; Petzold, S. 17 ; Pfeifenschneider, P. 14 ; Pilcher, J. E. 5 ; Pinfold, J. 26 ; Plane, D. E. 1 ; Poffenberger, P. 36 ; Poli, B. 7 ; Posthaus, A. 13 ; Rembser, C. 1 ; Robertson, S. 36 ; Robins, S. A. 25 ; Rodning, N. 26 ; Roney, J. M. 36 ; Rooke, A. 16 ; Rossi, A. M. 7 ; Routenburg, P. 26 ; Rozen, Y. 25 ; Runge, K. 18 ; Runolfsson, O. 1 ; Ruppel, U. 14 ; Rust, D. R. 6 ; Sachs, K. 18 ; Saeki, T. 8 ; Sahr, O. 20 ; M. Sang, W. 33 ; Sarkisyan, E. K. G. 2 ; Sbarra, C. 10 ; Schalle, A. D. 20 ; Schaile, O. 20 ; Scharf, F. 13 ; Scharff-Hansen, P. 1 ; Schieck, J. 19 ; Schleper, P. 19 ; Schmitt, B. 1 ; Schmitt, S. 19 ; Schöning, A. 1 ; Schröder, M. 1 ; Schumacher, M. 13 ; Schwick, C. 1 ; Scott, W. G. 15 ; Shears, T. G. 1 ; Shen, B. C. 24 ; Shepherd-Themistocleous, C. H. 1 ; Sherwood, P. 16 ; Siroli, G. P. 7 ; Sittler, A. 17 ; Skillman, A. 16 ; Skuja, A. 12 ; Smith, A. M. 1 ; Snow, G. A. 12 ; Sobie, R. 36 ; Söldner-Rembold, S. 18 ; Springer, R. W. 26 ; Sproston, M. 15 ; Stephens, K. 3 ; Steuerer, J. 17 ; Stockhausen, B. 13 ; Stoll, K. 18 ; Strom, D. 37 ; Ströhmer, R. 20 ; Szymanski, P. 15 ; Tafirout, R. 29 ; Talbot, S. D. 9 ; Taras, P. 29 ; Tarera, S. 25 ; Teuscher, R. 1 ; Thiergen, M. 18 ; Thomson, M. A. 1 ; von Törne, E. 13 ; Torrence, E. 1 ; Towers, S. 21 ; Trigger, I. 29 ; Trocsányi, Z. 40 ; Tsur, E. 2 ; Turcot, A. S. 5 ; Turner-Watson, M. F. 1 ; Ueda, I. 8 ; Utzat, P. 19 ; Van Koten, R. 6 ; Vannerem, P. 18 ; Verzocchi, M. 18 ; Vikas, P. 29 ; Vokurka, E. H. 3 ; Voss, H. 13 ; Wäckerle, F. 18 ; Wagner, A. 17 ; Ward, C. P. 4 ; Ward, D. R. 4 ; Watkins, P. M. 9 ; Watson, A. T. 9 ; Watson, N. K. 9 ; Wells, P. S. 1 ; Wermes, N. 13 ; White, J. S. 36 ; Wilson, G. W. 17 ; Wilson, J. A. 9 ; Wyatt, T. R. 3 ; Yamashita, S. 8 ; Yekutieli, G. 30 ; Zacek, V. 29 ; Zer-Zion, D. 1
1 European Organisation for Particle Physics, CERN, Geneva 23, Switzerland (GRID:grid.9132.9) (ISNI:0000 0001 2156 142X)
2 Tel Aviv University, Department of Physics and Astronomy, Tel Aviv, Israel (GRID:grid.12136.37) (ISNI:0000000419370546)
3 The University, Department of Physics, Schuster Laboratory, Manchester, UK (GRID:grid.5379.8) (ISNI:0000000121662407)
4 Cavendish Laboratory, Cambridge, UK (GRID:grid.5335.0) (ISNI:0000000121885934)
5 University of Chicago, Enrico Fermi Institute and Department of Physics, Chicago, USA (GRID:grid.170205.1) (ISNI:0000000419367822)
6 Indiana University, Department of Physics, Bloomington, USA (GRID:grid.411377.7) (ISNI:000000010790959X)
7 Dipartimento di Fisica dell’ Università di Bologna and INFN, Bologna, Italy (GRID:grid.6292.f) (ISNI:0000000417571758)
8 University of Tokyo, International Centre for Elementary Particle Physics and Department of Physics, Tokyo, Japan (GRID:grid.26999.3d) (ISNI:000000012151536X); Kobe University, Kobe, Japan (GRID:grid.31432.37) (ISNI:0000000110923077)
9 University of Birmingham, School of Physics and Astronomy, Birmingham, UK (GRID:grid.6572.6) (ISNI:0000000419367486)
10 University of British Columbia, Department of Physics, Vancouver, Canada (GRID:grid.17091.3e) (ISNI:0000000122889830)
11 Université de Montréal, Laboratoire de Physique Nucléaire, Montréal, Canada (GRID:grid.14848.31) (ISNI:0000000122923357); TRIUMF, Vancouver, Canada (GRID:grid.232474.4) (ISNI:0000000107059791)
12 University of Maryland, Department of Physics, College Park, USA (GRID:grid.164295.d) (ISNI:0000000109417177)
13 Universität Bonn, Physikalisches Institut, Bonn, Germany (GRID:grid.10388.32) (ISNI:0000000122403300)
14 Technische Hochschule Aachen, III Physikalisches Institut, Aachen, Germany (GRID:grid.1957.a) (ISNI:000000010728696X)
15 Rutherford Appleton Laboratory, Chilton, Didcot, UK (GRID:grid.76978.37) (ISNI:0000000122966998)
16 University College London, London, UK (GRID:grid.83440.3b) (ISNI:0000000121901201)
17 Universität Hamburg/DESY, II Institut für Experimental Physik, Hamburg, Germany (GRID:grid.7683.a) (ISNI:0000000404920453)
18 Albert Ludwigs Universität, Fakultät für Physik, Freiburg, Germany (GRID:grid.5963.9)
19 Universität Heidelberg, Physikalisches Institut, Heidelberg, Germany (GRID:grid.7700.0) (ISNI:0000000121904373)
20 Ludwigs-Maximilians-Universität München, Sektion Physik, Garching, Germany (GRID:grid.5252.0) (ISNI:000000041936973X)
21 Carleton University, Ottawa-Carleton Institute for Physics, Department of Physics, Ottawa, Canada (GRID:grid.34428.39) (ISNI:000000041936893X)
22 University of London, Queen Mary and Westfield College, London, UK (GRID:grid.4464.2) (ISNI:0000000121612573)
23 University of Birmingham, School of Physics and Astronomy, Birmingham, UK (GRID:grid.6572.6) (ISNI:0000000419367486); Royal Society University Research Fellow, UK (GRID:grid.421649.c) (ISNI:000000012248733X)
24 University of California, Department of Physics, Riverside, USA (GRID:grid.266097.c) (ISNI:0000000122221582)
25 Technion-Israel Institute of Technology, Department of Physics, Haifa, Israel (GRID:grid.6451.6) (ISNI:0000000121102151)
26 University of Alberta, Department of Physics, Edmonton, Canada (GRID:grid.17089.37)
27 Institute of Nuclear Research, Debrecen, Hungary (GRID:grid.418861.2) (ISNI:0000 0001 0674 7808); Lajos Kossuth University, Department of Experimental Physics, Debrecen, Hungary (GRID:grid.7122.6) (ISNI:0000000110888582)
28 Carleton University, Centre for Research in Particle Physics, Ottawa, Canada (GRID:grid.34428.39) (ISNI:000000041936893X)
29 Université de Montréal, Laboratoire de Physique Nucléaire, Montréal, Canada (GRID:grid.14848.31) (ISNI:0000000122923357)
30 Weizmann Institute of Science, Particle Physics Department, Rehovot, Israel (GRID:grid.13992.30) (ISNI:0000000406047563)
31 University of Alberta, Department of Physics, Edmonton, Canada (GRID:grid.17089.37); TRIUMF, Vancouver, Canada (GRID:grid.232474.4) (ISNI:0000000107059791)
32 Research Institute for Particle and Nuclear Physics, Budapest, Hungary (GRID:grid.419766.b) (ISNI:0000000417598344)
33 Brunel University, Institute of Physical and Environmental Sciences, Uxbridge, UK (GRID:grid.7728.a) (ISNI:0000000107246933)
34 University of Victoria, Department of Physics, Victoria, Canada (GRID:grid.143640.4) (ISNI:0000000419369465); TRIUMF, Vancouver, Canada (GRID:grid.232474.4) (ISNI:0000000107059791)
35 Research Institute for Particle and Nuclear Physics, Budapest, Hungary (GRID:grid.419766.b) (ISNI:0000000417598344); Institute of Nuclear Research, Debrecen, Hungary (GRID:grid.418861.2) (ISNI:0000 0001 0674 7808)
36 University of Victoria, Department of Physics, Victoria, Canada (GRID:grid.143640.4) (ISNI:0000000419369465)
37 University of Oregon, Department of Physics, Eugene, USA (GRID:grid.170202.6) (ISNI:0000000419368008)
38 Duke University, Dept of Physics, Durham, USA (GRID:grid.26009.3d) (ISNI:0000000419367961)
39 Technion-Israel Institute of Technology, Department of Physics, Haifa, Israel (GRID:grid.6451.6) (ISNI:0000000121102151); New York University, Department of Physics, USA (GRID:grid.137628.9) (ISNI:0000000121698901)
40 Institute of Nuclear Research, Debrecen, Hungary (GRID:grid.418861.2) (ISNI:0000 0001 0674 7808)
1 European Organisation for Particle Physics, CERN, Geneva 23, Switzerland (GRID:grid.9132.9) (ISNI:0000 0001 2156 142X)
2 Tel Aviv University, Department of Physics and Astronomy, Tel Aviv, Israel (GRID:grid.12136.37) (ISNI:0000000419370546)
3 The University, Department of Physics, Schuster Laboratory, Manchester, UK (GRID:grid.5379.8) (ISNI:0000000121662407)
4 Cavendish Laboratory, Cambridge, UK (GRID:grid.5335.0) (ISNI:0000000121885934)
5 University of Chicago, Enrico Fermi Institute and Department of Physics, Chicago, USA (GRID:grid.170205.1) (ISNI:0000000419367822)
6 Indiana University, Department of Physics, Bloomington, USA (GRID:grid.411377.7) (ISNI:000000010790959X)
7 Dipartimento di Fisica dell’ Università di Bologna and INFN, Bologna, Italy (GRID:grid.6292.f) (ISNI:0000000417571758)
8 University of Tokyo, International Centre for Elementary Particle Physics and Department of Physics, Tokyo, Japan (GRID:grid.26999.3d) (ISNI:000000012151536X); Kobe University, Kobe, Japan (GRID:grid.31432.37) (ISNI:0000000110923077)
9 University of Birmingham, School of Physics and Astronomy, Birmingham, UK (GRID:grid.6572.6) (ISNI:0000000419367486)
10 University of British Columbia, Department of Physics, Vancouver, Canada (GRID:grid.17091.3e) (ISNI:0000000122889830)
11 Université de Montréal, Laboratoire de Physique Nucléaire, Montréal, Canada (GRID:grid.14848.31) (ISNI:0000000122923357); TRIUMF, Vancouver, Canada (GRID:grid.232474.4) (ISNI:0000000107059791)
12 University of Maryland, Department of Physics, College Park, USA (GRID:grid.164295.d) (ISNI:0000000109417177)
13 Universität Bonn, Physikalisches Institut, Bonn, Germany (GRID:grid.10388.32) (ISNI:0000000122403300)
14 Technische Hochschule Aachen, III Physikalisches Institut, Aachen, Germany (GRID:grid.1957.a) (ISNI:000000010728696X)
15 Rutherford Appleton Laboratory, Chilton, Didcot, UK (GRID:grid.76978.37) (ISNI:0000000122966998)
16 University College London, London, UK (GRID:grid.83440.3b) (ISNI:0000000121901201)
17 Universität Hamburg/DESY, II Institut für Experimental Physik, Hamburg, Germany (GRID:grid.7683.a) (ISNI:0000000404920453)
18 Albert Ludwigs Universität, Fakultät für Physik, Freiburg, Germany (GRID:grid.5963.9)
19 Universität Heidelberg, Physikalisches Institut, Heidelberg, Germany (GRID:grid.7700.0) (ISNI:0000000121904373)
20 Ludwigs-Maximilians-Universität München, Sektion Physik, Garching, Germany (GRID:grid.5252.0) (ISNI:000000041936973X)
21 Carleton University, Ottawa-Carleton Institute for Physics, Department of Physics, Ottawa, Canada (GRID:grid.34428.39) (ISNI:000000041936893X)
22 University of London, Queen Mary and Westfield College, London, UK (GRID:grid.4464.2) (ISNI:0000000121612573)
23 University of Birmingham, School of Physics and Astronomy, Birmingham, UK (GRID:grid.6572.6) (ISNI:0000000419367486); Royal Society University Research Fellow, UK (GRID:grid.421649.c) (ISNI:000000012248733X)
24 University of California, Department of Physics, Riverside, USA (GRID:grid.266097.c) (ISNI:0000000122221582)
25 Technion-Israel Institute of Technology, Department of Physics, Haifa, Israel (GRID:grid.6451.6) (ISNI:0000000121102151)
26 University of Alberta, Department of Physics, Edmonton, Canada (GRID:grid.17089.37)
27 Institute of Nuclear Research, Debrecen, Hungary (GRID:grid.418861.2) (ISNI:0000 0001 0674 7808); Lajos Kossuth University, Department of Experimental Physics, Debrecen, Hungary (GRID:grid.7122.6) (ISNI:0000000110888582)
28 Carleton University, Centre for Research in Particle Physics, Ottawa, Canada (GRID:grid.34428.39) (ISNI:000000041936893X)
29 Université de Montréal, Laboratoire de Physique Nucléaire, Montréal, Canada (GRID:grid.14848.31) (ISNI:0000000122923357)
30 Weizmann Institute of Science, Particle Physics Department, Rehovot, Israel (GRID:grid.13992.30) (ISNI:0000000406047563)
31 University of Alberta, Department of Physics, Edmonton, Canada (GRID:grid.17089.37); TRIUMF, Vancouver, Canada (GRID:grid.232474.4) (ISNI:0000000107059791)
32 Research Institute for Particle and Nuclear Physics, Budapest, Hungary (GRID:grid.419766.b) (ISNI:0000000417598344)
33 Brunel University, Institute of Physical and Environmental Sciences, Uxbridge, UK (GRID:grid.7728.a) (ISNI:0000000107246933)
34 University of Victoria, Department of Physics, Victoria, Canada (GRID:grid.143640.4) (ISNI:0000000419369465); TRIUMF, Vancouver, Canada (GRID:grid.232474.4) (ISNI:0000000107059791)
35 Research Institute for Particle and Nuclear Physics, Budapest, Hungary (GRID:grid.419766.b) (ISNI:0000000417598344); Institute of Nuclear Research, Debrecen, Hungary (GRID:grid.418861.2) (ISNI:0000 0001 0674 7808)
36 University of Victoria, Department of Physics, Victoria, Canada (GRID:grid.143640.4) (ISNI:0000000419369465)
37 University of Oregon, Department of Physics, Eugene, USA (GRID:grid.170202.6) (ISNI:0000000419368008)
38 Duke University, Dept of Physics, Durham, USA (GRID:grid.26009.3d) (ISNI:0000000419367961)
39 Technion-Israel Institute of Technology, Department of Physics, Haifa, Israel (GRID:grid.6451.6) (ISNI:0000000121102151); New York University, Department of Physics, USA (GRID:grid.137628.9) (ISNI:0000000121698901)
40 Institute of Nuclear Research, Debrecen, Hungary (GRID:grid.418861.2) (ISNI:0000 0001 0674 7808)
Pages
19-40
Publication year
1998
Publication date
Aug 1998
ISSN
14346044
e-ISSN
14346052
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2293980095
Copyright
© Springer-Verlag 1998.