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Related papers: Higgs: KeV precision and CP violation

200 papers

In the Minimal Supersymmetric Standard Model (MSSM) we calculate the corrections to neutral CP-even Higgs-boson production in the WW-fusion and Higgs-strahlung channel, e+e- -> \bar nu nu {h,H}, at a future Linear Collider, taking into…

High Energy Physics - Phenomenology · Physics 2010-04-05 T. Hahn , S. Heinemeyer , G. Weiglein

In this work, we study the implication of Higgs precision measurements at future Higgs factories on the MSSM parameter space, focusing on the dominant stop sector contributions. We perform a multi-variable fit to both the signal strength…

High Energy Physics - Phenomenology · Physics 2021-05-26 Honglei Li , Huayang Song , Shufang Su , Wei Su , Jin Min Yang

We review Higgs production at hadron colliders via vector-boson fusion and via gluon fusion, fully inclusively and in association with one and two jets. Then we address the issue of the measurement of the coupling of the Higgs to the vector…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. Del Duca

The discovery of the Higgs boson with its mass around 125 GeV by the ATLAS and CMS Collaborations marked the beginning of a new era in high energy physics. The Higgs boson will be the subject of extensive studies of the ongoing LHC program.…

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

A recent HyperCP observation of three events in the decay Sigma^+ -> p mu^+ mu^- is suggestive of a new particle with mass 214.3 MeV. In order to confront models that contain a light Higgs boson with this observation, it is necessary to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xiao-Gang He , Jusak Tandean , G. Valencia

We study the associated production of a charged Higgs and a W boson in high-energy pp collisions at the Large Hadron Collider. This is an interesting process for charged Higgs discovery, or exclusion, since the production cross section…

High Energy Physics - Phenomenology · Physics 2012-04-25 R. Enberg , R. Pasechnik , O. Stål

The minimal model of Universal Extra Dimensions (MUED) is briefly reviewed. We explain how the cross-sections for Higgs production via gluon fusion and decay into two photons are modified, relative the the Standard Model (SM) values, by KK…

High Energy Physics - Phenomenology · Physics 2015-06-03 G. Bélanger , A. Belyaev , M. Brown , M. Kakizaki , A. Pukhov

Searches for the Standard Model Higgs boson by the four LEP experiments found excess events in two mass ranges: a 2.3 sigma excess around 98 GeV, and an 1.7 sigma excess around 115 GeV. The latter has been discussed widely in the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Manuel Drees

The MSSM with explicit CP violation is studied through the di-photon decay channel of the lightest neutral Higgs boson. Through the leading one-loop order H1 --> gammar.gamma is affected by a large number of Higgs-sparticle couplings, which…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Moretti , S. Munir , P. Poulose

New analysis of the heavy, neutral MSSM Higgs bosons H and A production at the Photon Collider is presented for M_A = 200, 250, 300 and 350 GeV in the parameter range corresponding to the so called "LHC wedge" and beyond. The expected…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Niezurawski , A. F. Zarnecki , M. Krawczyk

The production of the Higgs boson in photon-photon interactions with proton and nucleus beams at three planned or proposed future CERN colliders --- the high-luminosity Large Hadron Collider (HL-LHC), the high-energy LHC (HE-LHC), and the…

High Energy Physics - Phenomenology · Physics 2020-03-04 David d'Enterria , Daniel E. Martins , Patricia Rebello Teles

The Higgs boson, relic of the spontaneous electroweak symmetry breaking, is one of the most important searches at current hadron colliders. This thesis wishes to present theoretical predictions for the inclusive production and decay of the…

High Energy Physics - Phenomenology · Physics 2011-11-28 Julien Baglio

Recently the ATLAS and CMS collaborations presented preliminary results of Standard Model Higgs searches and reported excesses of events for a Higgs boson at 124-126 GeV. Such a Higgs mass can be naturally realized, simultaneously…

High Energy Physics - Phenomenology · Physics 2013-05-30 Motoi Endo , Koichi Hamaguchi , Sho Iwamoto , Norimi Yokozaki

We investigate the prospects for heavy charged Higgs boson production through the mechanisms pp-bar(pp)->tbH+ +X at the upgraded Fermilab Tevatron and at the upcoming LHC collider at CERN respectively. We focus on the MSSM case at high…

High Energy Physics - Phenomenology · Physics 2008-11-26 Alexander Belyaev , David Garcia , Jaume Guasch , Joan Sola

We present a new tool for precision measurements of the Higgs boson production mechanisms at the LHC. We study events with a Higgs boson produced with two forward jets. Even with fairly stringent cuts, one expects a significant…

High Energy Physics - Phenomenology · Physics 2013-10-30 Vikram Rentala , Natascia Vignaroli , Hsiang-nan Li , Zhao Li , C. -P. Yuan

The searches for Higgs boson production in association with a pair of top quarks at the Compact Muon Solenoid (CMS) experiment using data collected during proton-proton collisions at a center of mass energy of 13 TeV in 2016 are presented.…

High Energy Physics - Experiment · Physics 2019-08-13 Saranya Ghosh

We explore the possibility of distinguishing the SM-like MSSM Higgs boson from the SM Higgs boson via Higgs boson pair production at future muon collider. We study the behavior of the production cross section in SM and MSSM with Higgs boson…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jai Kumar Singhal , Sardar Singh , Ashok K Nagawat

We investigate the reach for resonances of the composite Higgs models at a 10 TeV \mu^+\mu^- collider with up to 10 ab^{-1} luminosity. The strong dynamics sector is modeled by the minimal coset SO(5)/SO(4), where vector resonances are in…

High Energy Physics - Phenomenology · Physics 2023-12-15 Da Liu , Lian-Tao Wang , Ke-Pan Xie

The highlights of the recent activities and physics results leading up to the summer of 2018 from the Compact Muon Solenoid (CMS) experiment at the CERN Large Hadron Collider (LHC) are presented here. The CMS experiment has a very…

High Energy Physics - Experiment · Physics 2019-02-07 Saranya Samik Ghosh