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The cross section through gluon fusion is calculated for the production of the light neutral Higgs boson through next-to-leading order QCD within the Minimal Supersymmetric Standard Model. The quark-mediated contributions are taken into…

High Energy Physics - Phenomenology · Physics 2011-12-06 Robert V. Harlander , Franziska Hofmann , Hendrik Mantler

The rate of associative production of Higgs and $Z$--bosons by charged leptons in the field of a plane electromagnetic wave of arbitrary intensity and in the constant crossed field is obtained. The cross section is examined as a function of…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. A. Eminov , K. V. Zhukovskii , K. G. Levtchenko

We consider modifications of the Higgs potential due to new physics at high energy scales. These upset delicate cancellations predicted by the Standard Model for processes involving Higgs bosons and longitudinal gauge bosons, and lead to a…

High Energy Physics - Phenomenology · Physics 2020-04-01 Spencer Chang , Markus A. Luty

These lectures are a pedagogical introduction to the application of perturbative unitarity to Higgs physics within and beyond the Standard Model (SM). I begin with a review of how perturbative unitarity arises from quantum mechanical…

High Energy Physics - Phenomenology · Physics 2025-04-02 Heather E. Logan

We consider the production of intermediate-mass CP-even and CP-odd Higgs bosons in proton-proton and proton-anti-proton collisions. We extend the recently published results for the complete next-to-next-to-leading order calculation for a…

High Energy Physics - Phenomenology · Physics 2015-05-28 Alexey Pak , Mikhail Rogal , Matthias Steinhauser

The Higgs boson may decay mainly to an invisible mode characterized by missing energy, instead of the Standard Model channels. This is a generic feature of many models where neutrino masses arise from the spontaneous breaking of ungauged…

High Energy Physics - Phenomenology · Physics 2009-06-25 M. Hirsch , J. C. Romao , J. W. F. Valle , A. Villanova del Moral

We study single Higgs boson production in gamma gamma collisions proceeding via the hadronic content of the photon. These processes complement previous studies of pair and single Higgs production at e^+e^- colliders. For SM Higgs masses of…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. A. Doncheski , Stephen Godfrey

We consider the gluon fusion production cross section of a scalar Higgs boson in models where fermion and scalar massive colored particles are present. We report analytic expressions for the matrix elements of $gg\to Hg$, $q\bar{q}\to Hg$,…

High Energy Physics - Phenomenology · Physics 2009-04-23 R. Bonciani , G. Degrassi , A. Vicini

Exotic decays of the Standard Model-like Higgs boson into beyond-the-Standard Model particles are predicted in a wide range of well-motivated theories. The enormous samples of Higgs bosons that have been and will be produced at the Large…

High Energy Physics - Phenomenology · Physics 2022-10-12 Maria Cepeda , Stefania Gori , Verena Martinez Outschoorn , Jessie Shelton

In 2012, the discovery of a particle compatible with a Higgs boson of a mass of roughly 125 GeV was announced. This great success is now being followed by the identification of the nature of this particle and the particle's properties are…

High Energy Physics - Phenomenology · Physics 2014-07-02 Thomas Hahn , Sven Heinemeyer , Wolfgang Hollik , Heidi Rzehak , Georg Weiglein

The discovery of the Higgs boson, with mass known to better than the percent level, enables for the first time precision Higgs boson analyses. Toward this goal, we define an expansion formalism of the Higgs boson partial widths and…

High Energy Physics - Phenomenology · Physics 2014-03-25 Leandro G. Almeida , Seung J. Lee , Stefan Pokorski , James D. Wells

We review some recent developments in Higgs physics at a $\gamma\gamma$ collider. We begin with single Higgs boson production in $\gamma\gamma$ collisions proceeding via the hadronic content of the photon. For SM Higgs masses of current…

High Energy Physics - Phenomenology · Physics 2017-08-23 Stephen Godfrey , Shouhua Zhu

Three extensions of the scalar sector of the Standard Model are considered: one extra isosinglet, one extra isotriplet, two extra isotriplets (the Georgi-Machacek model). Double Higgs boson production cross section is calculated in all…

High Energy Physics - Phenomenology · Physics 2015-10-09 E. V. Zhemchugov

The cause of the screening of the weak interactions at long distances puzzled the high-energy community for more nearly half a century. With the discovery of the Higgs boson a new era started with direct experimental information on the…

High Energy Physics - Phenomenology · Physics 2017-08-03 C. Grojean

Particle physics model building within the context of string theory suggests that further copies of the Higgs boson sector may be expected. Concerns regarding tree-level flavor changing neutral currents are easiest to allay if little or no…

High Energy Physics - Phenomenology · Physics 2010-04-30 Rick S. Gupta , James D. Wells

We present precise predictions for the Higgs boson rapidity distribution at the LHC in the gluon fusion production mode. Our approach relies on the fully analytic computation of six terms in a systematic expansion of the partonic…

High Energy Physics - Phenomenology · Physics 2019-02-20 Falko Dulat , Bernhard Mistlberger , Andrea Pelloni

Since the discovery of the Higgs boson at the Large Hadron Collider, a future electron-position collider has been proposed for precisely studying its properties. We investigate the production of the Higgs boson at such an $e^+e^-$ collider…

High Energy Physics - Phenomenology · Physics 2017-09-06 Yinqiang Gong , Zhao Li , Xiaofeng Xu , Li Lin Yang , Xiaoran Zhao

We review the recent discovery of the Higgs like particle at $\sim 125$ GeV and its implications for particle physics models. Specifically the implications of the relatively high Higgs mass for the discovery of supersymmetry are discussed.…

High Energy Physics - Phenomenology · Physics 2013-02-08 Pran Nath

We explore the Higgs sector in the supersymmetric economical 3-3-1 model and find new features in this sector. The charged Higgs sector is revised i.e., in difference of the previous work, the exact eigenvalues and states are obtained…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. V. Dong , D. T. Huong , N. T. Thuy , H. N. Long

According to the long-standing received wisdom, a "small" value of the Higgs mass - as for instance implied by general unitarity constraints - is highly "unnatural" and essentially $\mbox{requires}$ new physics to be present at or near…

High Energy Physics - Phenomenology · Physics 2015-07-30 M. Holman
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