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Search for the neutral Higgs bosons of the MSSM and other two doublet models

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Search for the neutral Higgs bosons of the MSSM and other two doublet models. / ALEPH Collaboration.
In: Physics Letters B, Vol. 265, No. 3-4, 1991, p. 475-486.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

ALEPH Collaboration 1991, 'Search for the neutral Higgs bosons of the MSSM and other two doublet models', Physics Letters B, vol. 265, no. 3-4, pp. 475-486. https://doi.org/10.1016/0370-2693(91)90083-3

APA

Vancouver

ALEPH Collaboration. Search for the neutral Higgs bosons of the MSSM and other two doublet models. Physics Letters B. 1991;265(3-4):475-486. doi: 10.1016/0370-2693(91)90083-3

Author

ALEPH Collaboration. / Search for the neutral Higgs bosons of the MSSM and other two doublet models. In: Physics Letters B. 1991 ; Vol. 265, No. 3-4. pp. 475-486.

Bibtex

@article{56c07ebb783a4b18836c8e03385e45cb,
title = "Search for the neutral Higgs bosons of the MSSM and other two doublet models",
abstract = "Large radiative corrections modify the predictions of the minimal supersymmetric extension of the standard model (MSSM) sufficiently for the constraints on this model, formerly derived from the searches for the CP-even h and for the CP-odd A neutral Higgs bosons, to be invalidated. In particular, the new h → AA decay mode has to be considered. The results presented here have been obtained from a data sample corresponding to about 185000 hadronic Z decays collected by the ALEPH experiment at LEP. No indication for any signal of the reactions or e+e− → hA was found. A domain in the (mh,mA) plane is thus excluded at 95% CL in a large class of two-Higgs-doublet models. More restrictive results are derived in the MSSM, with one loop radiative corrections to the Higgs potential taken into account. It is found that mh > 41 GeV/c2 and mA > 20 GeV/c2 at 95% CL when the other parameters of the model are varied in their allowed ranges.",
author = "D. Decamp and Alexander Finch and {ALEPH Collaboration}",
year = "1991",
doi = "10.1016/0370-2693(91)90083-3",
language = "English",
volume = "265",
pages = "475--486",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",
number = "3-4",

}

RIS

TY - JOUR

T1 - Search for the neutral Higgs bosons of the MSSM and other two doublet models

AU - Decamp, D.

AU - Finch, Alexander

AU - ALEPH Collaboration

PY - 1991

Y1 - 1991

N2 - Large radiative corrections modify the predictions of the minimal supersymmetric extension of the standard model (MSSM) sufficiently for the constraints on this model, formerly derived from the searches for the CP-even h and for the CP-odd A neutral Higgs bosons, to be invalidated. In particular, the new h → AA decay mode has to be considered. The results presented here have been obtained from a data sample corresponding to about 185000 hadronic Z decays collected by the ALEPH experiment at LEP. No indication for any signal of the reactions or e+e− → hA was found. A domain in the (mh,mA) plane is thus excluded at 95% CL in a large class of two-Higgs-doublet models. More restrictive results are derived in the MSSM, with one loop radiative corrections to the Higgs potential taken into account. It is found that mh > 41 GeV/c2 and mA > 20 GeV/c2 at 95% CL when the other parameters of the model are varied in their allowed ranges.

AB - Large radiative corrections modify the predictions of the minimal supersymmetric extension of the standard model (MSSM) sufficiently for the constraints on this model, formerly derived from the searches for the CP-even h and for the CP-odd A neutral Higgs bosons, to be invalidated. In particular, the new h → AA decay mode has to be considered. The results presented here have been obtained from a data sample corresponding to about 185000 hadronic Z decays collected by the ALEPH experiment at LEP. No indication for any signal of the reactions or e+e− → hA was found. A domain in the (mh,mA) plane is thus excluded at 95% CL in a large class of two-Higgs-doublet models. More restrictive results are derived in the MSSM, with one loop radiative corrections to the Higgs potential taken into account. It is found that mh > 41 GeV/c2 and mA > 20 GeV/c2 at 95% CL when the other parameters of the model are varied in their allowed ranges.

U2 - 10.1016/0370-2693(91)90083-3

DO - 10.1016/0370-2693(91)90083-3

M3 - Journal article

VL - 265

SP - 475

EP - 486

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

IS - 3-4

ER -