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2HDMC - Two-Higgs-Doublet Model Calculator

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arxiv 0902.0851 v2 pith:YZGV7MYF submitted 2009-02-05 hep-ph

2HDMC - Two-Higgs-Doublet Model Calculator

classification hep-ph
keywords hdmccodedecaydifferentgeneralmodeltwo-higgs-doubletavailable
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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This manual describes the public code 2HDMC which can be used to perform calculations in a general, CP-conserving, two-Higgs-doublet model (2HDM). The program features simple conversion between different parametrizations of the 2HDM potential, a flexible Yukawa sector specification with choices of different Z_2-symmetries or more general couplings, a tree-level decay library including all two-body - and some three-body - decay modes for the Higgs bosons, and the possibility to calculate observables of interest for constraining the 2HDM parameter space, as well as theoretical constraints from positivity and unitarity. The latest version of the 2HDMC code and full documentation is available from: http://www.isv.uu.se/thep/MC/2HDMC

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Cited by 11 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Probing Boosted Light Scalars in the Type-I 2HDM

    hep-ph 2026-05 conditional novelty 7.0

    Boosted light scalars decaying to b b-bar in Type-I 2HDM can be tagged as double-b fat-jets and used with SM gauge bosons to probe heavy scalars up to 540 GeV at the HL-LHC for masses 30-70 GeV.

  2. HyperIso: A general BSM calculator for flavour observables

    hep-ph 2026-07 conditional novelty 6.0

    HyperIso is a new modular software tool that computes flavour observables and BSM Wilson coefficients, validated against SuperIso and MARTY, with a copula-based uncertainty engine.

  3. Strong First-Order Electroweak Phase Transitions and Gravitational Waves in the Normal Two-Higgs-Doublet Model: A Comparative Study of the Four Yukawa Types and Thermal Resummation Schemes

    hep-ph 2026-07 accept novelty 6.0

    In the Normal 2HDM, SFOEWPTs are single-step and alignment-favoring across all four Yukawa types, yet Parwani versus Arnold–Espinosa resummation changes the viable heavy-mass range from ~1.6 TeV to ≲800 GeV and leaves...

  4. Probing pair production of long-lived scalars via an off-shell Standard-Model-like Higgs boson at the LHC

    hep-ph 2026-06 unverdicted novelty 6.0

    Pair production of long-lived scalars via off-shell Higgs at the LHC is probed with displaced-vertex searches, excluding masses up to ~230 GeV with current ATLAS data for a benchmark coupling.

  5. Search for pair production of additional neutral scalars within the Inert Doublet Model in a final state with two electrons or two muons in proton-proton collisions at $\sqrt{s}$ = 13 TeV and 13.6 TeV

    hep-ex 2026-05 accept novelty 5.0

    No significant excess found; new exclusion limits reach m_H = 108 GeV for m_H - m_A = 78 GeV in the Inert Doublet Model.

  6. Probing the Inert Doublet Dark Matter with Stellar-Mass Black Hole Mini-Spikes

    hep-ph 2026-05 unverdicted novelty 5.0

    Fermi LAT data on mini-spikes around stellar-mass black holes rules out substantial regions of Inert Doublet Model dark matter parameter space, especially at multi-TeV masses.

  7. Global Electroweak Fit Constraints on the Two-Higgs-Doublet Model in Light of the CDF W -Boson Mass

    hep-ph 2026-04 unverdicted novelty 5.0

    The CDF W mass anomaly can be accommodated in the 2HDM via enhanced ΔT from scalar mass splittings, yielding updated constraints on the model's parameter space from global electroweak fits.

  8. Probing one-loop--induced decay channel $H^\pm \to W^\pm\gamma$ in the Two Higgs Doublet Models at muon-TeV colliders

    hep-ph 2025-09 conditional novelty 5.0

    The one-loop decay H±→W±γ is re-derived in the general Rξ gauge and used to predict that a 3 TeV muon collider could see a charged Higgs signal, though the conclusion reports only 2 sigma for several benchmarks.

  9. Impact of hidden heavy Higgs channels of VLB-Quarks below 1 TeV in 2HDM

    hep-ph 2026-04 unverdicted novelty 4.0

    Hidden BSM decays of vector-like bottom quarks in 2HDM-II relax LHC mass limits from ~1.5 TeV to 1.34 TeV for singlets and 0.98 TeV for doublets.

  10. Probing Heavy Neutral Higgs Bosons via Single Vector-Like Bottom Quark Production at the HL-LHC

    hep-ph 2026-03 unverdicted novelty 4.0

    XGBoost multivariate analysis extends the 5-sigma discovery reach for singly produced vector-like bottom quarks decaying via heavy neutral Higgs bosons to 1.6 TeV at the HL-LHC with 3 ab^{-1}.

  11. Jarvis-HEP: A lightweight Python framework for workflow composition and parameter scans in high-energy physics

    hep-ph 2026-04 unverdicted novelty 3.0

    Jarvis-HEP introduces a YAML-based Python framework for composing workflows and performing parameter scans in high-energy physics.