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Title: The NUHM2 after LHC Run 1

Abstract

We make a frequentist analysis of the parameter space of the NUHM2, in which the soft supersymmetry (SUSY)-breaking contributions to the masses of the two Higgs multiplets, m2Hu,d, vary independently from the universal soft SUSY-breaking contributions m20 to the masses of squarks and sleptons. Our analysis uses the MultiNest sampling algorithm with over 4 × 10⁸ points to sample the NUHM2 parameter space. It includes the ATLAS and CMS Higgs mass measurements as well as the ATLAS search for supersymmetric jets + /ET signals using the full LHC Run 1 data, the measurements of BR(Bs→μ⁺μ⁻) by LHCb and CMS together with other B-physics observables, electroweak precision observables and the XENON100 and LUX searches for spin-independent dark-matter scattering. We find that the preferred regions of the NUHM2 parameter space have negative SUSY-breaking scalar masses squared at the GUT scale for squarks and sleptons, m20 < 0, as well as m2Hu < m2Hd < 0. The tension present in the CMSSM and NUHM1 between the supersymmetric interpretation of (g – 2)μ and the absence to date of SUSY at the LHC is not significantly alleviated in the NUHM2. We find that the minimum χ2 = 32.5 with 21 degrees of freedom (dof)more » in the NUHM2, to be compared with χ2/dof = 35.0/23 in the CMSSM, and χ2/dof = 32.7/22 in the NUHM1. We find that the one-dimensional likelihood functions for sparticle masses and other observables are similar to those found previously in the CMSSM and NUHM1.« less

Authors:
 [1];  [2];  [1];  [3];  [4];  [5];  [6];  [7];  [1];  [8];  [9];  [10];  [1];  [11]
  1. Imperial College, London (United Kingdom)
  2. Fermi National Accelerator Laboratory, Batavia, IL (United States); Univ. of Illinois at Chicago, Chicago, IL (United States)
  3. European Organization for Nuclear Research (CERN), Geneva (Switzerland); Antwerp Univ., Wilrijk (Belgium)
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  5. European Organization for Nuclear Research (CERN), Geneva (Switzerland); King's College London, London (United Kingdom)
  6. Univ. of Bristol, Bristol (United Kingdom)
  7. Instituto de Fisica de Cantabria, Santander (Spain)
  8. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  9. NIKHEF and VU Univ., Amsterdam (The Netherlands)
  10. Univ. of Minnesota, Minneapolis, MN (United States)
  11. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
Publication Date:
Research Org.:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1214562
Grant/Contract Number:  
SC0011842
Resource Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 74; Journal Issue: 12; Journal ID: ISSN 1434-6044
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Buchmueller, O., Cavanaugh, R., Citron, M., De Roeck, A., Dolan, M. J., Ellis, J. R., Flächer, H., Heinemeyer, S., Malik, S., Marrouche, J., Martínez Santos, D., Olive, K. A., de Vries, K. J., and Weiglein, G. The NUHM2 after LHC Run 1. United States: N. p., 2014. Web. doi:10.1140/epjc/s10052-014-3212-9.
Buchmueller, O., Cavanaugh, R., Citron, M., De Roeck, A., Dolan, M. J., Ellis, J. R., Flächer, H., Heinemeyer, S., Malik, S., Marrouche, J., Martínez Santos, D., Olive, K. A., de Vries, K. J., & Weiglein, G. The NUHM2 after LHC Run 1. United States. https://doi.org/10.1140/epjc/s10052-014-3212-9
Buchmueller, O., Cavanaugh, R., Citron, M., De Roeck, A., Dolan, M. J., Ellis, J. R., Flächer, H., Heinemeyer, S., Malik, S., Marrouche, J., Martínez Santos, D., Olive, K. A., de Vries, K. J., and Weiglein, G. Wed . "The NUHM2 after LHC Run 1". United States. https://doi.org/10.1140/epjc/s10052-014-3212-9. https://www.osti.gov/servlets/purl/1214562.
@article{osti_1214562,
title = {The NUHM2 after LHC Run 1},
author = {Buchmueller, O. and Cavanaugh, R. and Citron, M. and De Roeck, A. and Dolan, M. J. and Ellis, J. R. and Flächer, H. and Heinemeyer, S. and Malik, S. and Marrouche, J. and Martínez Santos, D. and Olive, K. A. and de Vries, K. J. and Weiglein, G.},
abstractNote = {We make a frequentist analysis of the parameter space of the NUHM2, in which the soft supersymmetry (SUSY)-breaking contributions to the masses of the two Higgs multiplets, m2Hu,d, vary independently from the universal soft SUSY-breaking contributions m20 to the masses of squarks and sleptons. Our analysis uses the MultiNest sampling algorithm with over 4 × 10⁸ points to sample the NUHM2 parameter space. It includes the ATLAS and CMS Higgs mass measurements as well as the ATLAS search for supersymmetric jets + /ET signals using the full LHC Run 1 data, the measurements of BR(Bs→μ⁺μ⁻) by LHCb and CMS together with other B-physics observables, electroweak precision observables and the XENON100 and LUX searches for spin-independent dark-matter scattering. We find that the preferred regions of the NUHM2 parameter space have negative SUSY-breaking scalar masses squared at the GUT scale for squarks and sleptons, m20 < 0, as well as m2Hu < m2Hd < 0. The tension present in the CMSSM and NUHM1 between the supersymmetric interpretation of (g – 2)μ and the absence to date of SUSY at the LHC is not significantly alleviated in the NUHM2. We find that the minimum χ2 = 32.5 with 21 degrees of freedom (dof) in the NUHM2, to be compared with χ2/dof = 35.0/23 in the CMSSM, and χ2/dof = 32.7/22 in the NUHM1. We find that the one-dimensional likelihood functions for sparticle masses and other observables are similar to those found previously in the CMSSM and NUHM1.},
doi = {10.1140/epjc/s10052-014-3212-9},
journal = {European Physical Journal. C, Particles and Fields},
number = 12,
volume = 74,
place = {United States},
year = {Wed Dec 17 00:00:00 EST 2014},
month = {Wed Dec 17 00:00:00 EST 2014}
}

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