Spherical parametrization of the Higgs boson candidate
The latest results from the ATLAS and CMS experiments at the CERN Large Hadron Collider unequivocally confirm the existence of a resonance X with mass near 125 GeV which could be the Higgs boson of the standard model. Measuring the properties (quantum numbers and couplings) of this resonance is of p...
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| Published in | Physical review letters Vol. 111; no. 4; p. 041801 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | English |
| Published |
United States
26.07.2013
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| Online Access | Get more information |
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| Abstract | The latest results from the ATLAS and CMS experiments at the CERN Large Hadron Collider unequivocally confirm the existence of a resonance X with mass near 125 GeV which could be the Higgs boson of the standard model. Measuring the properties (quantum numbers and couplings) of this resonance is of paramount importance. Initial analyses by the LHC Collaborations disfavor specific alternative benchmark hypotheses, e.g., pure pseudoscalars or gravitons. However, this is just the first step in a long-term program of detailed measurements. We consider the most general set of operators in the decay channels X→ZZ, WW, Zγ, γγ, and derive the constraint implied by the measured rate. This allows us to provide a useful parametrization of the orthogonal independent Higgs coupling degrees of freedom as coordinates on a suitably defined sphere. |
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| AbstractList | The latest results from the ATLAS and CMS experiments at the CERN Large Hadron Collider unequivocally confirm the existence of a resonance X with mass near 125 GeV which could be the Higgs boson of the standard model. Measuring the properties (quantum numbers and couplings) of this resonance is of paramount importance. Initial analyses by the LHC Collaborations disfavor specific alternative benchmark hypotheses, e.g., pure pseudoscalars or gravitons. However, this is just the first step in a long-term program of detailed measurements. We consider the most general set of operators in the decay channels X→ZZ, WW, Zγ, γγ, and derive the constraint implied by the measured rate. This allows us to provide a useful parametrization of the orthogonal independent Higgs coupling degrees of freedom as coordinates on a suitably defined sphere. |
| Author | Lykken, Joseph Matchev, Konstantin T Mrenna, Stephen Park, Myeonghun Gainer, James S |
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| BackLink | https://www.ncbi.nlm.nih.gov/pubmed/23931355$$D View this record in MEDLINE/PubMed |
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| CitedBy_id | crossref_primary_10_1103_PhysRevD_91_035011 crossref_primary_10_1007_JHEP02_2015_046 crossref_primary_10_1140_epjc_s10052_015_3759_0 crossref_primary_10_1007_JHEP09_2015_057 crossref_primary_10_1103_PhysRevD_91_115014 crossref_primary_10_1103_PhysRevLett_117_241801 crossref_primary_10_1134_S1063776116020229 crossref_primary_10_1007_JHEP09_2015_185 crossref_primary_10_1007_JHEP01_2015_125 crossref_primary_10_1103_PhysRevD_92_055013 crossref_primary_10_1088_1674_1137_40_3_033002 crossref_primary_10_1007_JHEP09_2014_129 crossref_primary_10_1103_PhysRevD_89_035007 crossref_primary_10_1103_PhysRevD_92_012004 crossref_primary_10_1007_JHEP11_2013_043 crossref_primary_10_1007_JHEP10_2014_078 crossref_primary_10_1007_JHEP07_2016_087 crossref_primary_10_1103_PhysRevD_105_096027 crossref_primary_10_1103_PhysRevD_91_015016 crossref_primary_10_1007_JHEP10_2018_073 crossref_primary_10_1016_j_physletb_2014_09_019 crossref_primary_10_1007_JHEP07_2014_079 crossref_primary_10_1103_PhysRevLett_113_191801 crossref_primary_10_1103_PhysRevD_89_053010 crossref_primary_10_1007_JHEP04_2014_110 crossref_primary_10_1140_epjc_s10052_021_09470_5 crossref_primary_10_1103_PhysRevD_88_115003 crossref_primary_10_1007_JHEP04_2014_057 crossref_primary_10_1007_JHEP10_2013_225 crossref_primary_10_1088_1674_1137_abb4c8 crossref_primary_10_1103_PhysRevD_89_034002 crossref_primary_10_1007_JHEP11_2018_127 crossref_primary_10_1103_PhysRevD_92_053003 |
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