scholarly journals Scenarios with low mass Higgs bosons in the heavy supersymmetry

2018 ◽  
Vol 33 (25) ◽  
pp. 1850150 ◽  
Author(s):  
M. N. Dubinin ◽  
E. Yu. Petrova
Keyword(s):  
Higgs Boson ◽  
Standard Model ◽  
Supersymmetric Standard Model ◽  
Minimal Supersymmetric Standard Model ◽  
Higgs Sector ◽  
Higgs Bosons ◽  
Higgs Potential ◽  
Low Mass ◽  
Effective Operators

Possible realistic scenarios are investigated in the minimal supersymmetric standard model (MSSM) Higgs sector extended by dimension-six effective operators. The CP-odd Higgs boson with low mass around 30–90 GeV could be consistently introduced in the regime of large threshold corrections to the effective MSSM two-doublet Higgs potential.

scholarly journals SINGLET SUPERFIELD EXTENSION OF THE MINIMAL SUPERSYMMETRIC STANDARD MODEL WITH PECCEI–QUINN SYMMETRY AND A LIGHT PSEUDOSCALAR HIGGS BOSON AT THE LHC

2012 ◽  
Vol 27 (29) ◽  
pp. 1250166 ◽  
Author(s):  
JIHN E. KIM ◽  
HANS PETER NILLES ◽  
MIN-SEOK SEO
Keyword(s):  
Higgs Boson ◽  
Standard Model ◽  
Supersymmetric Standard Model ◽  
Minimal Supersymmetric Standard Model ◽  
Higgs Bosons

Motivated by the μ-problem and the axion solution to the strong CP-problem, we extend the MSSM with one more chiral singlet field X ew . The underlying PQ-symmetry allows only one more renormalizable term X ew Hu Hd in the superpotential. The spectrum of the Higgs system includes a light pseudoscalar aX (in addition to the standard CP-even Higgs boson), predominantly decaying to two photons: aX →γγ. Both Higgs bosons might be in the range accessible to current LHC experiments.

scholarly journals MINIMAL SUPERSYMMETRIC STANDARD MODEL HIGGS RATES AND BACKGROUNDS IN ATLAS

1998 ◽  
Vol 13 (09) ◽  
pp. 1371-1494 ◽  
Author(s):  
ELŻBIETA RICHTER-WAS ◽  
DANIEL FROIDEVAUX ◽  
FABIOLA GIANOTTI ◽  
LUC POGGIOLI ◽  
DONATELLA CAVALLI ◽  
...  
Keyword(s):  
Higgs Boson ◽  
Standard Model ◽  
Supersymmetric Standard Model ◽  
Minimal Supersymmetric Standard Model ◽  
Parameter Space ◽  
Higgs Sector ◽  
Atlas Detector ◽  
Direct Impact ◽  
Detector Performance ◽  
Upper Limit

This study presents an overview of the potential of the ATLAS detector at LHC for the observation of the Higgs boson of the minimal supersymmetric Standard Model (MSSM). The expected rates, backgrounds and significances are discussed channel by channel using realistic assumptions for the detector performance. As final results, the ranges of the MSSM parameter space projected on the (mA, tan β) and (mh, tan β) planes, for which the expected significances for the discovery of the different channels exceed a 5σ value, are shown for the ATLAS detector alone and for combined results from the ATLAS and CMS detectors. It is concluded that the combined potential of the two LHC detectors should fully cover the Higgs sector of the MSSM parameter space. The sensitivity of the results to the upper limit of the allowed mass for the lightest Higgs boson is extensively discussed. The direct impact of the SUSY particle sector on such searches is neglected in this paper.

scholarly journals SUSY HIGGS SEARCHES AT THE LHC

2007 ◽  
Vol 22 (31) ◽  
pp. 5935-5942
Author(s):  
RITVA KINNUNEN
Keyword(s):  
Higgs Boson ◽  
Standard Model ◽  
Supersymmetric Standard Model ◽  
Minimal Supersymmetric Standard Model ◽  
Higgs Bosons ◽  
Integrated Luminosity

Searches for the Higgs bosons of the Minimal Supersymmetric Standard Model are discussed at the LHC in the CMS and ATLAS experiments. Results are presented for the scenario which maximizes the mass of the lighter scalar Higgs boson. Low integrated luminosity is assumed.

scholarly journals Two Higgs Bosons near 125 GeV in the Complex NMSSM and the LHC Run I Data

2015 ◽  
Vol 2015 ◽  
pp. 1-16 ◽  
Author(s):  
Stefano Moretti ◽  
Shoaib Munir
Keyword(s):  
Higgs Boson ◽  
Large Hadron Collider ◽  
Cp Violation ◽  
Standard Model ◽  
Supersymmetric Standard Model ◽  
Hadron Collider ◽  
Higgs Sector ◽  
Higgs Bosons ◽  
Neutral Higgs Boson ◽  
The Impact

We analyse the impact of explicit CP-violation in the Higgs sector of the Next-to-Minimal Supersymmetric Standard Model (NMSSM) on its consistency with the Higgs boson data from the Large Hadron Collider (LHC). Through detailed scans of the parameter space of the complex NMSSM for certain fixed values of one of its CP-violating (CPV) phases, we obtain a large number of points corresponding to five phenomenologically relevant scenarios containing ∼125 GeV Higgs boson(s). We focus, in particular, on the scenarios where the visible peaks in the experimental samples can actually be explained by two nearly mass-degenerate neutral Higgs boson states. We find that some points corresponding to these scenarios give an overall slightly improved fit to the data, more so for nonzero values of the CPV phase, compared to the scenarios containing a single Higgs boson near 125 GeV.

PROBING THE HIGGS SECTOR OF THE MINIMAL SUPERSYMMETRIC STANDARD MODEL AT e+e− COLLIDERS

1992 ◽  
Vol 07 (31) ◽  
pp. 2877-2888 ◽  
Author(s):  
ATSUSHI YAMADA
Keyword(s):  
Standard Model ◽  
Supersymmetric Standard Model ◽  
Minimal Supersymmetric Standard Model ◽  
Parameter Space ◽  
Cross Sections ◽  
Global Analysis ◽  
Production Cross ◽  
Higgs Sector ◽  
Branching Ratios ◽  
Higgs Bosons

The ability of future e+e− colliders to study the supersymmetric Higgs sector is examined. The effects of the radiative corrections are included. A global analysis is given for the production cross-sections of the neutral Higgs bosons over the full parameter space of the Higgs sector, which clarifies the integrated luminosity necessary for the detection of the neutral Higgs bosons. The branching ratios of the three neutral Higgs bosons are also computed.

scholarly journals Higgs Boson Mass Bounds in the Standard and Minimal Supersymmetric Standard Model with Four Generations

1997 ◽  
Vol 12 (08) ◽  
pp. 553-559 ◽  
Author(s):  
Sin Kyu Kang ◽  
Gye T. Park
Keyword(s):  
Higgs Boson ◽  
Standard Model ◽  
Supersymmetric Standard Model ◽  
Minimal Supersymmetric Standard Model ◽  
Top Quark ◽  
Higgs Sector ◽  
Boson Mass ◽  
Fourth Generation ◽  
Fermion Mass ◽  
Higgs Boson Mass

We study the question of distinguishability of the Higgs sector between the standard model with four generations (SM4) and the minimal supersymmetric standard model with four generations (MSSM4). We find that a gap exists between the SM4 and MSSM4 Higgs boson masses for a range of fourth generation fermion mass considered in the analysis at a fixed top quark mass. We also compare the Higgs boson mass bounds in these models with those in the standard and the minimal supersymmetric standard models.

scholarly journals PROBING THE MSSM HIGGS SECTOR AT AN e-e- COLLIDER

1998 ◽  
Vol 13 (14) ◽  
pp. 2263-2276 ◽  
Author(s):  
HOWARD E. HABER
Keyword(s):  
Standard Model ◽  
Supersymmetric Standard Model ◽  
Minimal Supersymmetric Standard Model ◽  
Higgs Sector ◽  
Theoretical Structure ◽  
Lepton Colliders

The theoretical structure of the Higgs sector of the Minimal Supersymmetric Standard Model (MSSM) is briefly described. An outline of Higgs phenomenology at future lepton colliders is presented, and some opportunities for probing the physics of the MSSM Higgs sector at an e-e- collider are considered.

scholarly journals QCD corrections to Higgs boson decays into squarks in the minimal supersymmetric standard model

1997 ◽  
Vol 402 (3-4) ◽  
pp. 303-313 ◽  
Author(s):  
A. Bartl ◽  
H. Eberl ◽  
K. Hidaka ◽  
T. Kon ◽  
W. Majerotto ◽  
...  
Keyword(s):  
Higgs Boson ◽  
Standard Model ◽  
Supersymmetric Standard Model ◽  
Minimal Supersymmetric Standard Model
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