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To solve the hierarchy problem, extra-dimensional models must explain why the new dimensions stabilize to the right size, and the known mechanisms for doing so require bulk scalars that couple to the branes. Because of these couplings the…

High Energy Physics - Phenomenology · Physics 2015-06-15 Ross Diener , C. P. Burgess

Non-resonant production of Higgs-pair via heavy intermediate states may be a distinctive signature for extended discrete symmetries when accompaied by large missing transvers energy. We discuss $T$-parity as an example of such symmetry…

High Energy Physics - Phenomenology · Physics 2018-04-03 Chuan-Ren Chen , Yu-Xiang Lin , Hsien-Chih Wu , Jason Yue

We investigate a novel collider signature within the minimal Left-Right Symmetric Model, featuring a Higgs sector composed of a bi-doublet and two triplets. Our study focuses on a region of the parameter space where the $SU(2)_R$ charged…

High Energy Physics - Phenomenology · Physics 2025-04-07 Benjamin Fuks , Jonathan Kriewald , Miha Nemevšek , Fabrizio Nesti

We study the off-shell production of the Higgs boson at the LHC to probe Higgs physics at higher energy scales utilizing the process $g g \rightarrow h^{*} \rightarrow ZZ$. We focus on the energy scale dependence of the off-shell Higgs…

High Energy Physics - Phenomenology · Physics 2018-07-25 Dorival Goncalves , Tao Han , Satyanarayan Mukhopadhyay

We present some phenomenology of the Higgs sector of the Minimal $B-L$ U(1) Extension of the Standard Model at the Large Hadron Collider. In this model, the existence of an extra gauge boson ($Z'$) and an extra scalar (heavy Higgs) are…

High Energy Physics - Phenomenology · Physics 2011-01-03 L. Basso , A. Belyaev , S. Moretti , G. M. Pruna

The inclusive Higgs production rate through gluon fusion has been measured to be in agreement with the Standard Model (SM). We show that even if the inclusive Higgs production rate is very SM-like, a precise determination of the boosted…

High Energy Physics - Phenomenology · Physics 2015-06-19 Matthias Schlaffer , Michael Spannowsky , Michihisa Takeuchi , Andreas Weiler , Chris Wymant

We assess the current state of searches at the LHC for additional Higgs bosons in light of both direct limits and indirect bounds coming from coupling measurements of the Standard Model-like Higgs boson. Given current constraints, we…

High Energy Physics - Phenomenology · Physics 2015-04-21 Nathaniel Craig , Francesco D'Eramo , Patrick Draper , Scott Thomas , Hao Zhang

In the framework of the Left-Right twin Higgs (LRTH) model, we consider the constrains from the latest search for high-mass dilepton resonances at the LHC and find that the heavy neutral boson $Z_H$ is excluded with mass below 2.76 TeV.…

High Energy Physics - Phenomenology · Physics 2015-05-20 Jinzhong Han , Shaofeng Li , Bingfang Yang , Ning Liu

The LHC may be currently seeing the first hints of the Higgs boson. The dominant production mode for the Higgs at the LHC involves a top-quark loop. An accurate measurement of Higgs production cross-sections and decay widths can thus be…

High Energy Physics - Phenomenology · Physics 2012-11-28 Debajyoti Choudhury , Pratishruti Saha

We update the allowed parameter space of the CP-violating 2HDM with Type II Yukawa couplings, that survives the current experimental and theoretical constraints on the model. For a representative set of allowed parameter points, we study…

High Energy Physics - Phenomenology · Physics 2017-05-11 Lorenzo Basso , Per Osland , Giovanni Marco Pruna

Despite the discovery of a Higgs boson h(125GeV) at the LHC Run-1, its self-interaction has fully evaded direct experimental probe so far. Such self-interaction is vital for electroweak symmetry breaking, vacuum stability and electroweak…

High Energy Physics - Phenomenology · Physics 2016-01-08 Hong-Jian He , Jing Ren , Weiming Yao

Inclusive associated production of a light Higgs boson (m_H < m_t) with one jet in pp collisions is studied in next-to-leading order QCD. Transverse momentum (p_T < 30 GeV) and rapidity distributions of the Higgs boson are calculated for…

High Energy Physics - Phenomenology · Physics 2011-05-05 D. de Florian , M. Grazzini , Z. Kunszt

Scalar MSSM Higgs boson production via gluon fusion gg -> h,H is mediated by heavy quark and squark loops. The higher order QCD corrections to these processes turn out to be large. The full supersymmetric QCD corrections have been…

High Energy Physics - Phenomenology · Physics 2010-04-15 Margarete Mühlleitner , Heidi Rzehak , Michael Spira

The left-right twin Higgs(LRTH) model predicts the existence of the charged Higgs $\phi^{\pm}$. In this paper, we study the production of the charged Higgs boson $\phi^{-}$ with single top quark via the process $bg\to t\phi^{-}$ at the…

High Energy Physics - Phenomenology · Physics 2012-09-14 Yao-Bei Liu , Jie-Fen Shen

In the context of the Minimal Supersymmetric extension of the Standard Model, we study the production of Higgs bosons at the Large Hadron Collider via cascade decays of scalar quarks and gluinos. We focus on the cascades involving heavier…

High Energy Physics - Phenomenology · Physics 2009-11-10 Aseshkrishna Datta , Abdelhak Djouadi , Monoranjan Guchait , Filip Moortgat

After the Higgs boson discovery, a main focus at the CERN LHC has been the measurement of its properties. Observing the Higgs boson associated production with a top quark-antiquark pair ($\mathrm{t\bar{t}H}$) is particularly interesting…

High Energy Physics - Experiment · Physics 2022-08-18 Angela Giraldi

We have adopted two Higgs doublet models to study the production of a Higgs pseudoscalar ($A^0$) in association with a $Z$ gauge boson from gluon fusion ($gg \to ZA^0$) at the CERN Large Hadron Collider. The prospects for the discovery of…

High Energy Physics - Phenomenology · Physics 2014-11-17 Chung Kao , Geoffrey Lovelace , Lynne Orr

We study the production of the Higgs boson in association with a single top quark at hadron colliders. The cross sections for the three production processes (t-channel, s-channel, and W-associated) at both the Tevatron and the LHC are…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Maltoni , K. Paul , T. Stelzer , S. Willenbrock

We study the production and decay of a heavy charged Higgs boson in the $bg\to tH^-$ and $H^-\to b\bar t$ processes at the Large Hadron Collider (LHC). We show that the chiral structure of the $H^-t\bar b$ vertex entering both stages is…

High Energy Physics - Phenomenology · Physics 2018-12-12 Abdesslam Arhrib , Adil Jueid , Stefano Moretti

We present a detailed phenomenological analysis of the production of a Standard Model Higgs boson in association with up to three jets. The Higgs is produced via gluon fusion, which is an irreducible background to the vector boson fusion…

High Energy Physics - Phenomenology · Physics 2016-01-15 Nicolas Greiner , Stefan Hoeche , Gionata Luisoni , Marek Schonherr , Jan-Christopher Winter , Valery Yundin