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Title: Implications of improved Higgs mass calculations for supersymmetric models

Abstract

We discuss the allowed parameter spaces of supersymmetric scenarios in light of improved Higgs mass predictions provided by FeynHiggs 2.10.0. The Higgs mass predictions combine Feynman-diagrammatic results with a resummation of leading and subleading logarithmic corrections from the stop/top sector, which yield a significant improvement in the region of large stop masses. Scans in the pMSSM parameter space show that, for given values of the soft supersymmetry-breaking parameters, the new logarithmic contributions beyond the two-loop order implemented in FeynHiggs tend to give larger values of the light CP-even Higgs mass, Mh, in the region of large stop masses than previous predictions that were based on a fixedorder Feynman-diagrammatic result, though the differences are generally consistent with the previous estimates of theoretical uncertainties. We re-analyse the parameter spaces of the CMSSM, NUHM1 and NUHM2, taking into account also the constraints from CMS and LHCb measurements of BR(Bs → μ+μ-)and ATLAS searches forE/T events using 20/fb of LHC data at 8 TeV. Within the CMSSM, the Higgs mass constraint disfavours tan β 10, though not in the NUHM1 or NUHM2.

Authors:
 [1];  [2];  [3];  [4];  [5];  [4];  [1];  [6];  [7];  [1];  [8]
  1. Imperial College, London (United Kingdom). Blackett Lab. High Energy Physics Group
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States). Theory Group
  3. King's College, London (United Kingdom). Dept. of Physics. Theoretical Particle Physics and Cosmology Group; European Organization for Nuclear Research (CERN), Geneva (Switzerland). Theory Division
  4. Max-Planck-Inst. für Physik, Munich (Germany)
  5. Instituto de Física de Cantabria (CSIC-UC), Santander (Spain)
  6. Univ. of Minnesota, Minneapolis, MN (United States). School of Physics and Astronomy. William I. Fine Theoretical Physics Inst.
  7. Albert-Ludwigs-Universität Freiburg (Germany). Physikalisches Institut
  8. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
Publication Date:
Research Org.:
Univ. of Minnesota, Minneapolis, MN (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1816520
Grant/Contract Number:  
FG02-94ER40823
Resource Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 74; Journal Issue: 3; Journal ID: ISSN 1434-6044
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Buchmueller, O., Dolan, M. J., Ellis, J., Hahn, T., Heinemeyer, S., Hollik, W., Marrouche, J., Olive, K. A., Rzehak, H., de Vries, K. J., and Weiglein, G. Implications of improved Higgs mass calculations for supersymmetric models. United States: N. p., 2014. Web. doi:10.1140/epjc/s10052-014-2809-3.
Buchmueller, O., Dolan, M. J., Ellis, J., Hahn, T., Heinemeyer, S., Hollik, W., Marrouche, J., Olive, K. A., Rzehak, H., de Vries, K. J., & Weiglein, G. Implications of improved Higgs mass calculations for supersymmetric models. United States. https://doi.org/10.1140/epjc/s10052-014-2809-3
Buchmueller, O., Dolan, M. J., Ellis, J., Hahn, T., Heinemeyer, S., Hollik, W., Marrouche, J., Olive, K. A., Rzehak, H., de Vries, K. J., and Weiglein, G. Tue . "Implications of improved Higgs mass calculations for supersymmetric models". United States. https://doi.org/10.1140/epjc/s10052-014-2809-3. https://www.osti.gov/servlets/purl/1816520.
@article{osti_1816520,
title = {Implications of improved Higgs mass calculations for supersymmetric models},
author = {Buchmueller, O. and Dolan, M. J. and Ellis, J. and Hahn, T. and Heinemeyer, S. and Hollik, W. and Marrouche, J. and Olive, K. A. and Rzehak, H. and de Vries, K. J. and Weiglein, G.},
abstractNote = {We discuss the allowed parameter spaces of supersymmetric scenarios in light of improved Higgs mass predictions provided by FeynHiggs 2.10.0. The Higgs mass predictions combine Feynman-diagrammatic results with a resummation of leading and subleading logarithmic corrections from the stop/top sector, which yield a significant improvement in the region of large stop masses. Scans in the pMSSM parameter space show that, for given values of the soft supersymmetry-breaking parameters, the new logarithmic contributions beyond the two-loop order implemented in FeynHiggs tend to give larger values of the light CP-even Higgs mass, Mh, in the region of large stop masses than previous predictions that were based on a fixedorder Feynman-diagrammatic result, though the differences are generally consistent with the previous estimates of theoretical uncertainties. We re-analyse the parameter spaces of the CMSSM, NUHM1 and NUHM2, taking into account also the constraints from CMS and LHCb measurements of BR(Bs → μ+μ-)and ATLAS searches forE/T events using 20/fb of LHC data at 8 TeV. Within the CMSSM, the Higgs mass constraint disfavours tan β 10, though not in the NUHM1 or NUHM2.},
doi = {10.1140/epjc/s10052-014-2809-3},
journal = {European Physical Journal. C, Particles and Fields},
number = 3,
volume = 74,
place = {United States},
year = {Tue Mar 18 00:00:00 EDT 2014},
month = {Tue Mar 18 00:00:00 EDT 2014}
}

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