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Related papers: Constraining new physics from Higgs measurements w…

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Lilith is a public Python library for constraining new physics from Higgs signal strength measurements. We here present version 2.0 of Lilith together with an updated XML database which includes the current ATLAS and CMS Run 2 Higgs results…

High Energy Physics - Phenomenology · Physics 2019-10-23 Sabine Kraml , Tran Quang Loc , Dao Thi Nhung , Le Duc Ninh

The properties of the observed Higgs boson with mass around 125 GeV can be affected in a variety of ways by new physics beyond the Standard Model (SM). The wealth of experimental results, targeting the different combinations for the…

High Energy Physics - Phenomenology · Physics 2015-10-28 Jeremy Bernon , Beranger Dumont

In this talk, we present the program Lilith, a python package for constraining new physics from Higgs measurements. We discuss the usage of signal strength results in the latest published version of Lilith, which allows for constraining…

High Energy Physics - Phenomenology · Physics 2024-01-09 Dang Bao Nhi Nguyen , Duc Ninh Le , Sabine Kraml , Quang Loc Tran , Van Dung Le

The properties of the observed Higgs boson with mass around 125 GeV are constrained by a wealth of experimental results targeting different combinations for the production and decay of a Higgs boson. In order to assess the compatibility of…

High Energy Physics - Phenomenology · Physics 2015-05-06 Jeremy Bernon , Beranger Dumont

The program HiggsSignals confronts the predictions of models with arbitrary Higgs sectors with the available Higgs signal rate and mass measurements, resulting in a likelihood estimate. A new version of the program, HiggsSignals-2, is…

High Energy Physics - Phenomenology · Physics 2021-02-24 Philip Bechtle , Sven Heinemeyer , Tobias Klingl , Tim Stefaniak , Georg Weiglein , Jonas Wittbrodt

We provide an update of the global fits of the couplings of the 125.5 GeV Higgs boson using all publicly available experimental results from Run-1 of the LHC as per Summer 2014. The fits are done by means of the new public code Lilith 1.0.…

High Energy Physics - Phenomenology · Physics 2014-10-22 Jeremy Bernon , Beranger Dumont , Sabine Kraml

While the Higgs characterisation programme is well underway, direct signs for new physics beyond the Standard Model remain elusive. Performing a fit of fully differential Higgs production cross sections at the LHC to a subset of…

High Energy Physics - Phenomenology · Physics 2017-11-27 Christoph Englert , Roman Kogler , Holger Schulz , Michael Spannowsky

The latest results of Higgs cross section measurements from the ATLAS and CMS experiments were presented. This proceeding focuses on the production cross section measurement under the simplified template cross section framework in multiple…

High Energy Physics - Experiment · Physics 2023-06-12 Rongkun Wang

Motivated by recent results from the LHC experiments, we analyze Higgs couplings in two Higgs doublet models with an approximate PQ symmetry. Models of this kind can naturally accommodate sizable modifications to Higgs decay patterns while…

High Energy Physics - Phenomenology · Physics 2015-06-04 Kfir Blum , Raffaele Tito D'Agnolo

We present a global analysis of the Higgs and electroweak sector based on LHC Run II and electroweak precision observables. We show which measurements provide the leading constraints on Higgs-related operators, and how the achieved LHC…

High Energy Physics - Phenomenology · Physics 2019-06-05 Anke Biekötter , Tyler Corbett , Tilman Plehn

We introduce the public computer code HiggsSignals, which can be used to test the predictions from models with arbitrary Higgs sectors against experimental measurements. Following a brief description of the code, several examples of…

High Energy Physics - Phenomenology · Physics 2013-10-16 Oscar Stål , Tim Stefaniak

The most recent LHC data have provided a considerable improvement in the precision with which various Higgs production and decay channels have been measured. Using all available public results from ATLAS, CMS and the Tevatron, we derive for…

High Energy Physics - Phenomenology · Physics 2013-10-30 G. Belanger , B. Dumont , U. Ellwanger , J. F. Gunion , S. Kraml

We update the constraints on Two-Higgs-Doublet Models of Type I and II discussed in arXiv:1405.3584 using the latest LHC measurements of the ~125.5 GeV Higgs signal as of Summer 2014. We provide explicit comparisons of the results before…

High Energy Physics - Phenomenology · Physics 2014-09-16 Beranger Dumont , John F. Gunion , Yun Jiang , Sabine Kraml

Constraints on the general 2HDM ("Model II") are obtained from the existing $(g-2)_{\mu}$ data including limits on Higgs bosons masses from LEP I data. We consider separately two cases: with a light scalar $h$ and with a light pseudoscalar…

High Energy Physics - Phenomenology · Physics 2008-11-26 Maria Krawczyk , Jan Zochowski

We present up-to-date constraints on a generic Higgs parameter space. An accurate assessment of these exclusions must take into account statistical, and potentially signal, fluctuations in the data currently taken at the LHC. For this, we…

High Energy Physics - Phenomenology · Physics 2015-06-04 Aleksandr Azatov , Roberto Contino , Jamison Galloway

We consider present constraints on Two Higgs Doublet Models, both from the LHC at Run 1 and from other sources in order to explore the possibility of constraining a neutral scalar or pseudo-scalar particle lighter than the 125 GeV Higgs…

High Energy Physics - Phenomenology · Physics 2017-02-01 Giacomo Cacciapaglia , Aldo Deandrea , Suzanne Gascon , Solene Le Corre , Morgan Lethuillier , Junquan Tao

The ATLAS experiment at the LHC has measured the Higgs boson couplings and mass, and searched for invisible Higgs boson decays, using multiple production and decay channels with up to 4.7 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=7$ TeV…

High Energy Physics - Experiment · Physics 2015-12-22 ATLAS Collaboration

We present version 2 of SModelS, a program package for the fast reinterpretation of LHC searches for new physics on the basis of simplified model results. The major novelty of the SModelS v2 series is an extended topology description with a…

With no evidence of any exotic particle detected so far beyond the Standard Model, the new physics may lie above the presently accessible energies at colliders and, at low-energies, can be accounted for via an effective description. The…

High Energy Physics - Phenomenology · Physics 2023-08-21 Arturo de Giorgi , Fotis Koutroulis , Luca Merlo , Stefan Pokorski

The ATLAS and CMS collaborations have recently released significant new data on Higgs and diboson production in LHC Run 2. Measurements of Higgs properties have improved in many channels, while kinematic information for $h \to \gamma\gamma$…

High Energy Physics - Phenomenology · Physics 2018-08-01 John Ellis , Christopher W. Murphy , Verónica Sanz , Tevong You
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