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We investigate the potentials of future high energy lepton-proton colliders to detect supersymmetric particles in the charged current type $lp\to\tilde\nu_l\tilde qX$, $l=e,\mu$, reactions. We also study their decays by using the mass…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. T. Alan , S. Sultansoy

Recent experimental observations on the `bulk' features of particle production at high (pseudo)rapidities will be reviewed. This kinematic region is of interest mostly because of its relevance to the theoretical description of initial state…

Nuclear Experiment · Physics 2015-06-26 Gábor I. Veres

We study integrated and differential rates for the production of charged Higgs bosons $H^\pm$ of the Minimal Supersymmetric Standard Model via b-quark initiated subprocesses in pp collisions at the Large Hadron Collider. In detail, we…

High Energy Physics - Phenomenology · Physics 2016-09-06 S. Moretti , K. Odagiri

In the CP-violating Minimal Supersymmetric Standard Model, we study the pair production of neutralinos at center-of-mass energies around the heavy neutral Higgs boson resonances. For longitudinally polarized muon beams, we analyze CP…

High Energy Physics - Phenomenology · Physics 2009-01-06 Herbi K. Dreiner , Olaf Kittel , Federico von der Pahlen

We present the first study of the production of a Standard Model Higgs boson at a lepton collider in association with a pair of W bosons, $e^+_{} e^-_{} \to W^+_{} W^-_{} H$, in the inverse seesaw model. Taking into account all relevant…

High Energy Physics - Phenomenology · Physics 2018-10-05 Julien Baglio , Silvia Pascoli , Cedric Weiland

In scenarios with sterile (right-handed) neutrinos that are subject to an approximate "lepton-number-like" symmetry, the heavy neutrinos (i.e. the mass eigenstates) can have masses around the electroweak scale and couple to the Higgs boson…

High Energy Physics - Phenomenology · Physics 2016-05-25 Stefan Antusch , Eros Cazzato , Oliver Fischer

We investigate the production of three Higgs bosons in the Two Real Singlet extension of the Standard Model, where the scalar sector is augmented by two additional real scalar fields which are singlets under the Standard Model gauge group.…

High Energy Physics - Phenomenology · Physics 2021-06-01 Andreas Papaefstathiou , Tania Robens , Gilberto Tetlalmatzi-Xolocotzi

In this talk we discuss recent progress concerning precise predictions for the LHC. We give a status report of three applications of our method to deal with multi-leg one-loop amplitudes: The interference term of Higgs production by gluon-…

High Energy Physics - Phenomenology · Physics 2009-04-14 T. Binoth , T. Reiter , J. R. Andersen , G. Heinrich , J. M. Smillie , J. -Ph. Guillet , G. Sanguinetti , S. Karg , N. Kauer

We study the colour connection structure of R-parity violating decays and production cross sections, and construct a Monte Carlo simulation of these processes including colour coherence effects. We then present some results from the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Herbi Dreiner , Peter Richardson , Michael H. Seymour

Many extensions of the Standard Model predict the existence of charged Higgs bosons. In order to be able to find those particles, an accurate description of their production is needed. In Monte Carlo simulations of charged Higgs boson…

High Energy Physics - Phenomenology · Physics 2007-05-23 Johan Alwall

Recent theoretical progress in the evaluation of Higgs boson production at the LHC within the Standard Model and its minimal supersymmetric extension is reviewed. In particular the two-loop QCD corrections to the squark loop contributions…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michael Spira

The hierarchy problem and the electroweak data, together, provide a plausible motivation for considering a light Higgs emerging as a pseudo-Goldstone boson from a strongly-coupled sector. In that scenario, the rates for Higgs production and…

High Energy Physics - Phenomenology · Physics 2014-11-20 Roberto Contino , Christophe Grojean , Mauro Moretti , Fulvio Piccinini , Riccardo Rattazzi

Following arXiv:1506.00612, an effective field theory approach has been introduced for two additional real scalars, $H$ and $\chi$, to study the associated Higgs boson ($h$) production with top quarks at the Large Hadron Collider with…

High Energy Physics - Phenomenology · Physics 2017-03-02 Skhathisomusa Mthembu , Mukesh Kumar

We consider the production of a Standard Model Higgs boson accompanied by two jets in hadronic collisions. We work in the limit that the top quark is much heavier than the Higgs boson and use an effective Lagrangian for the interactions of…

High Energy Physics - Phenomenology · Physics 2014-11-17 Russel P. Kauffman , Satish V. Desai , Dipesh Risal

The Higgs boson pair production via gluon fusion at high-energy hadron colliders, such as the LHC, is vital in deciphering the Higgs potential and in pinning down the electroweak symmetry breaking mechanism. We carry out the…

High Energy Physics - Phenomenology · Physics 2020-03-16 Long-Bin Chen , Hai Tao Li , Hua-Sheng Shao , Jian Wang

New physics frameworks like the Next-to-Minimal Supersymmetric Standard Model and the Next-to-2-Higgs-doublet Model contain three neutral CP-even Higgs bosons. It is possible for the heavier two of these states to have masses identical to…

High Energy Physics - Phenomenology · Physics 2021-05-05 Biswaranjan Das , Stefano Moretti , Shoaib Munir , Poulose Poulose

We analyze double Higgs boson production at the Large Hadron Collider in the context of Little Higgs models. In double Higgs production, the diagrams involved are directly related to those that cause the cancellation of the quadratic…

High Energy Physics - Phenomenology · Physics 2016-09-06 Claudio O. Dib , Rogerio Rosenfeld , Alfonso Zerwekh

The production of three Higgs bosons at hadron colliders can be enhanced by a double-resonant effect in the $\mathbb{Z}_2$-symmetric two-real-singlet extension of the Standard Model, making it potentially observable in future LHC runs. The…

High Energy Physics - Phenomenology · Physics 2025-10-03 Osama Karkout , Andreas Papaefstathiou , Marieke Postma , Gilberto Tetlalmatzi-Xolocotzi , Jorinde van de Vis , Tristan du Pree

We implement, at next-to-next-to-leading order, the QCD corrections to Standard Model Higgs boson production in association with vector bosons at hadron colliders, $q\bar{q} \to HV$ with $V=W,Z$. They consist of the two--loop corrections to…

High Energy Physics - Phenomenology · Physics 2014-11-17 Oliver Brein , Abdelhak Djouadi , Robert Harlander

Cross sections for the concurrent production of pairs of quarkonia (J/psi, Upsilon) and/or gauge bosons (W, Z) from double-parton scatterings (DPS) in high-energy proton-nucleus and nucleus-nucleus collisions at the LHC are calculated. The…

High Energy Physics - Phenomenology · Physics 2015-06-22 David d'Enterria , Alexander M. Snigirev