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Related papers: Future Collider Perspectives on Higgs CP Violation

200 papers

We investigate the sensitivity of a future high-luminosity $e^-e^+$ collider operating at $\sqrt{s}=250~\text{GeV}$ to CP-violating and CP-conserving anomalous $hVV$ interactions via the Higgsstrahlung process. The effects of new physics…

High Energy Physics - Phenomenology · Physics 2026-03-31 Amir Subba , Subhaditya Bhattacharya , Abhik Sarkar

We discuss the testability of CP-violating phases at future lepton colliders for the scenario which satisfies electric dipole moment data by destructive interferences among several phases. We consider the general but aligned two Higgs…

High Energy Physics - Phenomenology · Physics 2021-05-05 Shinya Kanemura , Mitsunori Kubota , Kei Yagyu

We study genuine CP-odd observables at the LHC to test the CP property of the ZZH interaction for a Higgs boson with mass below the threshold to a pair of gauge bosons via the process p,p -> Z,H -> l+,l-,b,bbar. We illustrate the analysis…

High Energy Physics - Phenomenology · Physics 2014-11-21 Neil D. Christensen , Tao Han , Yingchuan Li

A review is given of CP violation in a broad class of models based on supersymmetry, superstrings and brane models. Such models contain typically large CP violating phases which affect a variety of supersymmetric phenomenon at low energies…

High Energy Physics - Phenomenology · Physics 2007-05-23 Tarek Ibrahim , Pran Nath

We study the explicit $CP$ violation of the Higgs sector in the minimal supersymmetric standard model with a gauge singlet Higgs field. The magnitude of $CP$ violation is discussed in the limiting cases of $x\gg v_1,\ v_2$ and $x\ll v_1,\…

High Energy Physics - Phenomenology · Physics 2010-11-01 Masahisa MATSUDA , Morimitsu TANIMOTO

We present the general formalism for studying CP-violating phenomena in the production, mixing and decay of a coupled system of CP-violating neutral Higgs bosons at high-energy colliders. Considering the Minimal Supersymmetric Standard…

High Energy Physics - Phenomenology · Physics 2008-11-26 John Ellis , Jae Sik Lee , Apostolos Pilaftsis

Future perspectives for Higgs physics are outlined. First it is shown that the discovered Higgs boson cannot be the Standard Model (SM) Higgs boson, motivating the investigations of Higgs sectors beyond the SM (BSM). The secure future, the…

High Energy Physics - Phenomenology · Physics 2022-11-23 S. Heinemeyer

In a more general electroweak theory, there could be Higgs particles that are odd under $CP$. Correlations among momenta of the initial electron and final-state fermions are in the Bjorken process sensitive to the $CP$ parity. Monte Carlo…

High Energy Physics - Phenomenology · Physics 2007-05-23 Arild Skjold , Per Osland

We introduce and explore new heavy Higgs scenarios in the Minimal Supersymmetric Standard Model (MSSM) with explicit CP violation, which have important phenomenological implications that may be testable at the LHC. For soft…

High Energy Physics - Phenomenology · Physics 2016-03-23 M. Carena , J. Ellis , J. S. Lee , A. Pilaftsis , C. E. M. Wagner

Once Supersymmetry is discovered, exploring the phases of supersymmetric parameters will be one of the most important tasks of future colliders. We analyze the possibilities of investigating the phases of the cMSSM via their effects on the…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Heinemeyer , M. Velasco

We review what has been learned about CP violation in the K system. It is natural to hypothesize that the observed CP-violating effects are caused by the Standard Model weak interaction. We describe the stringent future test of this…

High Energy Physics - Phenomenology · Physics 2007-05-23 Boris Kayser

In this talk I discuss possibilities of probing the CP violation (CPV) in the Minimal Supersymmetric Standard Model (MSSM), at the LHC as well as its effects on the LHC SUSY phenomenology. In the latter case I mainly discuss its effect on…

High Energy Physics - Phenomenology · Physics 2007-05-23 Rohini M. Godbole

A precise measurement of the top-Higgs coupling is essential in particle physics, as it offers a powerful probe of potential new physics beyond the Standard Model (BSM), particularly scenarios involving ${\cal CP}$ violation, which is a key…

High Energy Physics - Phenomenology · Physics 2025-04-17 A. Hammad , Adil Jueid

One item on the agenda of future colliders is certain to be the Higgs boson. What is it trying to tell us? The primary objective of any future collider must surely be to identify physics beyond the Standard Model, and supersymmetry is one…

High Energy Physics - Phenomenology · Physics 2016-12-21 John Ellis

We study CP-violating phenomena in the production, mixing and decay of a coupled system of CP-violating neutral Higgs bosons at \gamma \gamma colliders, assuming a Minimal Supersymmetric Standard Model (MSSM) Higgs sector in which CP…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis , Jae Sik Lee , Apostolos Pilaftsis

We discuss the prospects for observing CP violation in the MSSM with six CP-violating phases, using a geometric approach to maximise CP-violating observables subject to the experimental upper bounds on electric dipole moments. We consider…

High Energy Physics - Phenomenology · Physics 2016-11-17 A. Arbey , J. Ellis , R. M. Godbole , F. Mahmoudi

In this paper, we use the charged-current Higgs boson production process at future electron-proton colliders, $e^-p \to H j \nu_e$, with the subsequent decay of the Higgs boson into a $b\bar{b}$ pair, to probe the Standard Model effective…

High Energy Physics - Phenomenology · Physics 2024-05-30 Gholamhossein Haghighat , Reza Jafari , Hamzeh Khanpour , Mojtaba Mohammadi Najafabadi

A future linear e+e- collider with a clean environment, tunable collision energy, high luminosity, polarized incoming beams, and additional e-e-, e-gamma and gamma-gamma modes, will offer precision tools to explore new physics. Here we…

High Energy Physics - Phenomenology · Physics 2017-08-23 Jan Kalinowski

LHCb is the heavy flavour precision experiment of the proton-proton Large Hadron Collider (LHC) at CERN. It will search for new physics in CP violation and rare decays and is ready for the start-up of the LHC. An overview of its physics…

High Energy Physics - Experiment · Physics 2019-08-13 Pascal Perret

The possibility of CP violation is studied in the Higgs sector of a supersymmetric standard model with multiple Higgs singlets. The tree-level Lagrangian in this model is assumed to conserve the CP symmetry. We find that CP violation is…

High Energy Physics - Phenomenology · Physics 2009-08-14 S. W. Ham , S. K. OH