Publications (41)
Constrained Supersymmetry after the Higgs Boson Discovery: A global analysis with Fittino
Philip Bechtle, Klaus Desch, Herbert K. Dreiner +9
We present preliminary results from the latest global fit analysis of the constrained minimal supersymmetric standard model (CMSSM) performed within the Fittino framework. The fit…
Impact of the Euro 2020 championship on the spread of COVID-19
Jonas Dehning, Sebastian B. Mohr, Sebastian Contreras +5
Large-scale events like the UEFA Euro~2020 football (soccer) championship offer a unique opportunity to quantify the impact of gatherings on the spread of COVID-19, as the number a…
Bottoms Up: Standard Model Effective Field Theory from a Model Perspective
Philip Bechtle, Cristin Chall, Martin King +3
Experiments in particle physics have hitherto failed to produce any significant evidence for the many explicit models of physics beyond the Standard Model (BSM) that had been propo…
HiggsSignals-2: Probing new physics with precision Higgs measurements in the LHC 13 TeV era
Philip Bechtle, Sven Heinemeyer, Tobias Klingl +3
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 esti…
A critical appraisal of tests of locality and of entanglement versus non-entanglement at colliders
Philip Bechtle, Cedric Breuning, Herbi K. Dreiner +1
It has been argued more than 30 years ago that it is not possible to test locality at colliders, due to the inability to directly measure non-commutating observables such as spin c…
Reinterpretation of LHC Results for New Physics: Status and Recommendations after Run 2
Waleed Abdallah, Shehu AbdusSalam, Azar Ahmadov +139
We report on the status of efforts to improve the reinterpretation of searches and measurements at the LHC in terms of models for new physics, in the context of the LHC Reinterpret…
Publishing statistical models: Getting the most out of particle physics experiments
Kyle Cranmer, Sabine Kraml, Harrison B. Prosper +30
The statistical models used to derive the results of experimental analyses are of incredible scientific value and are essential information for analysis preservation and reuse. In…
HiggsBounds-4: Improved Tests of Extended Higgs Sectors against Exclusion Bounds from LEP, the Tevatron and the LHC
Philip Bechtle, Oliver Brein, Sven Heinemeyer +4
We describe the new developments in version 4 of the public computer code HiggsBounds. HiggsBounds is a tool to test models with arbitrary Higgs sectors, containing both neutral an…
Constrained Supersymmetry after two years of LHC data: a global view with Fittino
Philip Bechtle, Torsten Bringmann, Klaus Desch +10
We perform global fits to the parameters of the Constrained Minimal Supersymmetric Standard Model (CMSSM) and to a variant with non-universal Higgs masses (NUHM1). In addition to c…
What if the LHC does not find supersymmetry in the sqrt(s)=7 TeV run?
Philip Bechtle, Klaus Desch, Herbi K. Dreiner +5
We investigate the implications for supersymmetry from an assumed absence of any signal in the first period of LHC data taking at 7 TeV center-of-mass energy and with 1 to 7 fb^(-1…
Assessing uncertainties in the determination of the trilinear Higgs self-coupling from single-Higgs observables
Henning Bahl, Philip Bechtle, Johannes Braathen +4
Circular colliders operating at energies below the di-Higgs production threshold can provide information on the trilinear Higgs self-coupling via its loop c…
Simple and statistically sound recommendations for analysing physical theories
Shehu S. AbdusSalam, Fruzsina J. Agocs, Benjamin C. Allanach +72
Physical theories that depend on many parameters or are tested against data from many different experiments pose unique challenges to statistical inference. Many models in particle…
Probing the Standard Model with Higgs signal rates from the Tevatron, the LHC and a future ILC
Philip Bechtle, Sven Heinemeyer, Oscar Stål +2
We explore the room for possible deviations from the Standard Model (SM) Higgs boson coupling structure in a systematic study of Higgs coupling scale factor benchmark scenarios usi…
HiggsSignals: Confronting arbitrary Higgs sectors with measurements at the Tevatron and the LHC
Philip Bechtle, Sven Heinemeyer, Oscar Stål +2
HiggsSignals is a Fortran90 computer code that allows to test the compatibility of Higgs sector predictions against Higgs rates and masses measured at the LHC or the Tevatron. Arbi…
AWEsome: An open-source test platform for airborne wind energy systems
Philip Bechtle, Thomas Gehrmann, Christoph Sieg +1
In this paper we present AWEsome (Airborne Wind Energy Standardized Open-source Model Environment), a test platform for airborne wind energy systems that consists of low-cost hardw…
The Status of Supersymmetry after the LHC Run 1
Philip Bechtle, Tilman Plehn, Christian Sander
Supersymmetry (SUSY) is a complete and renormalisable candidate for an extension of the Standard Model. At an energy scale not too far above the electroweak scale it would solve th…
Recent Developments in HiggsBounds and a Preview of HiggsSignals
Philip Bechtle, Oliver Brein, Sven Heinemeyer +4
We report on recent developments in the public computer code HiggsBounds, which confronts arbitrary Higgs sector predictions with 95% C.L. exclusion limits from Higgs searches at t…
Fittino, a program for determining MSSM parameters from collider observables using an iterative method
Philip Bechtle, Klaus Desch, Peter Wienemann
Provided that Supersymmetry (SUSY) is realized, the Large Hadron Collider (LHC) and the future International Linear Collider (ILC) may provide a wealth of precise data from SUSY pr…
HiggsBounds: Confronting Arbitrary Higgs Sectors with Exclusion Bounds from LEP and the Tevatron
Philip Bechtle, Oliver Brein, Sven Heinemeyer +2
HiggsBounds is a computer code that tests theoretical predictions of models with arbitrary Higgs sectors against the exclusion bounds obtained from the Higgs searches at LEP and th…
Extracting SUSY parameters from LHC measurements using Fittino
Philip Bechtle, Klaus Desch, Mathias Uhlenbrock +1
We show that presently available precision data are in good agreement with supersymmetry at a mass scale below 1 TeV. Using a SUSY point close to the best fit to present data, we g…
Applying Exclusion Likelihoods from LHC Searches to Extended Higgs Sectors
Philip Bechtle, Sven Heinemeyer, Oscar Stal +2
LHC searches for non-standard Higgs bosons decaying into tau lepton pairs constitute a sensitive experimental probe for physics beyond the Standard Model (BSM), such as Supersymmet…
Physics case for an collider at 500 GeV and above
Philip Bechtle, Sven Heinemeyer, Jenny List +2
Some highlights of the physics case for running an collider at 500 GeV and above are discussed with a particular emphasis on the experimental access to the Higgs potential…
A Proposal for the Lohengrin Experiment to Search for Dark Sector Particles at the ELSA Accelerator
Philip Bechtle, Christian Bespin, Dominique Breton +23
We present a proposal for a future light dark matter search experiment at the Electron Stretcher Accelerator ELSA in Bonn: Lohengrin. It employs the fixed-target missing momentum b…
Shapes are not enough: CONSERVAttack and its use for finding vulnerabilities and uncertainties in machine learning applications
Philip Bechtle, Lucie Flek, Philipp Alexander Jung +7
In High Energy Physics, as in many other fields of science, the application of machine learning techniques has been crucial in advancing our understanding of fundamental phenomena.…
Reinterpretation and preservation of data and analyses in HEP
Jon Butterworth, Sabine Kraml, Harrison Prosper +145
Data from particle physics experiments are unique and are often the result of a very large investment of resources. Given the potential scientific impact of these data, which goes…
Killing the cMSSM softly
Philip Bechtle, Jose Eliel Camargo-Molina, Klaus Desch +9
We investigate the constrained Minimal Supersymmetric Standard Model (cMSSM) in the light of constraining experimental and observational data from precision measurements, astrophys…
Introducing HiggsBounds 2.0.0
Philip Bechtle, Oliver Brein, Sven Heinemeyer +2
We introduce version 2.0.0 of the computer program HiggsBounds. The program tests neutral and charged Higgs sectors of new models against the current exclusion bounds from LEP and…
Prospects for the study of the \stau-system in SPS1a' at the ILC
Philip Bechtle, Mikael Berggren, Jenny List +2
The prospects for the analysis of tau channels at the SUSY benchmark point SPS1a', especially from e+e- -> stau_1 stau_1 and e+e- -> stau_2 stau_2, have been studied in full simula…
The Light and Heavy Higgs Interpretation of the MSSM
Philip Bechtle, Howard E. Haber, Sven Heinemeyer +4
We perform a parameter scan of the phenomenological Minimal Supersymmetric Standard Model (pMSSM) with eight parameters taking into account the experimental Higgs boson results fro…
Indirect probes of the Higgs-top-quark interaction: current LHC constraints and future opportunities
Henning Bahl, Philip Bechtle, Sven Heinemeyer +6
The structure of the Higgs boson in its coupling to the particles of the Standard Model is amongst the most important Higgs boson properties which have not yet been…
Supersymmetry Parameter Analysis with Fittino
Philip Bechtle, Klaus Desch, Peter Wienemann
We present the results of a realistic global fit of the Lagrangian parameters of the Minimal Supersymmetric Standard Model to simulated data from ILC and LHC with realistic estimat…
Prospects of measuring quantum entanglement in final states at a future Higgs factory
Cedric Breuning, Philip Bechtle, Klaus Desch +1
We introduce a method to study quantum entanglement at a future Higgs factory (here the Future Circular Collider colliding and (FCC-ee) operating at $\sqrt{s}=…
Airborne Wind Energy Resource Analysis
Philip Bechtle, Mark Schelbergen, Roland Schmehl +2
We compare the available wind resources for conventional wind turbines and for airborne wind energy systems. Accessing higher altitudes and dynamically adjusting the harvesting ope…
How alive is constrained SUSY really?
Philip Bechtle, Klaus Desch, Herbert K. Dreiner +8
Constrained supersymmetric models like the CMSSM might look less attractive nowadays because of fine tuning arguments. They also might look less probable in terms of Bayesian stati…
Search for CP Violating neutral Higgs bosons in the MSSM at LEP
Philip Bechtle
The LEP collaborations ALEPH, DELPHI, L3 and OPAL have searched for the neutral Higgs bosons which are predicted within the framework of the Minimal Supersymmetric Standard Model (…
Determination of MSSM Parameters from LHC and ILC Observables in a Global Fit
Philip Bechtle, Klaus Desch, Werner Porod +1
We present the results of a realistic global fit of the Lagrangian parameters of the Minimal Supersymmetric Standard Model assuming universality for the first and second generation…
Enhancing European Cooperation in the Search for Dark Matter
Bernard Andrieu, Ties Behnke, Philip Bechtle +47
The search for dark matter is an exciting topic that is pursued in different communities over a wide range of masses and using a variety of experimental approaches. The result is a…
HiggsBounds-5: Testing Higgs Sectors in the LHC 13 TeV Era
Philip Bechtle, Daniel Dercks, Sven Heinemeyer +4
We describe recent developments of the public computer code HiggsBounds. In particular, these include the incorporation of LHC Higgs search results from Run 2 at a center-of-mass e…
HiggsBounds 2.0.0: Confronting Neutral and Charged Higgs Sector Predictions with Exclusion Bounds from LEP and the Tevatron
Philip Bechtle, Oliver Brein, Sven Heinemeyer +2
HiggsBounds 2.0.0 is a computer code which tests both neutral and charged Higgs sectors of arbitrary models against the current exclusion bounds from the Higgs searches at LEP and…
Mechanics of Pandemics
Seba Contreras, Philipp Dönges, Laura Müller +24
COVID-19 and previous pandemics have shown how diseases can disrupt, threaten, and transform daily life. Since pathogens and societies are continuously evolving, every pandemic is…
SCYNet: Testing supersymmetric models at the LHC with neural networks
Philip Bechtle, Sebastian Belkner, Daniel Dercks +6
SCYNet (SUSY Calculating Yield Net) is a tool for testing supersymmetric models against LHC data. It uses neural network regression for a fast evaluation of the profile likelihood…