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While the conventional searches for the Higgs boson focus on its decays to Standard Model (SM) particles: gamma gamma, ZZ, WW, bb and tau tau, in this study, we explore the decays A --> HZ or H --> AZ. Such decays could appear in the exotic…

High Energy Physics - Phenomenology · Physics 2013-08-29 Baradhwaj Coleppa , Felix Kling , Shufang Su

We report on the potential for the discovery of a Standard Model Higgs boson with the vector boson fusion mechanism in the mass range $115<M_H<500 \gev$ with the ATLAS experiment at the LHC. Feasibility studies at hadron level followed by a…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. Cranmer , Y. Q. Fang , B. Mellado , S. Paganis , W. Quayle , Sau Lan Wu

We study the observability of the Higgs boson in the "charming Higgs" model. In this model the Higgs boson primarily undergoes a cascade decay to four charm quarks via light intermediate pseudoscalars. Such a decay allows the Higgs boson to…

High Energy Physics - Phenomenology · Physics 2012-07-25 Ian Lewis , Jared Schmitthenner

We report results of a study of the Standard Model Higgs boson discovery potential through the W-pair leptonic decay modes with the ATLAS detector at LHC at 14 TeV center-of-mass energy. We used MC samples with full detector simulation and…

High Energy Physics - Experiment · Physics 2019-08-13 Hai-Jun Yang

The Large Hadron Collider (LHC) has measured the Higgs boson couplings with the heavier particles of the Standard Model (SM), and they seem to lay on a single line as function of the particle mass, as predicted in the SM. However a complete…

High Energy Physics - Phenomenology · Physics 2020-09-23 M. A. Arroyo-Ureña , J. Lorenzo Diaz-Cruz

A light charged Higgs boson has been searched for at the Large Hadron Collider (LHC) via top (anti)quark decay, i.e., $t \to b H^+$, if kinematically allowed. In this contribution, we propose new channels for light charged Higgs boson…

High Energy Physics - Phenomenology · Physics 2021-12-09 Abdesslam Arhrib , Rachid Benbrik , Mohamed Krab , Bouzid Manaut , Stefano Moretti , Yan Wang , Qi-Shu Yan

New particles at the TeV-scale may have sizeable decay rates into boosted Higgs bosons or other heavy scalars. Here, we investigate the possibility of identifying such processes when the Higgs/scalar subsequently decays into a pair of W…

High Energy Physics - Phenomenology · Physics 2015-06-04 Minho Son , Christian Spethmann , Brock Tweedie

A detailed study is presented of the search for Higgs bosons in the b-decay channel in the central exclusive production process at the LHC. We present results for proton tagging detectors at both 220m and 420m around ATLAS or CMS. We…

High Energy Physics - Phenomenology · Physics 2011-03-23 B. E. Cox , F. K. Loebinger , A. D. Pilkington

In this work we present a new search strategy for the discovery of staus at the LHC in the context of the minimal supersymmetric standard model. The search profits from the large s-channel $b$-quark annihilation production of the heavy…

High Energy Physics - Phenomenology · Physics 2018-09-19 Ernesto Arganda , Victor Martin-Lozano , Anibal D. Medina , Nicolás Mileo

Discovering the Higgs boson is one of the primary goals of both the Tevatron and the Large Hadron Collider (LHC). The present status of the Higgs search is reviewed and future prospects for discovery at the Tevatron and LHC are considered.…

High Energy Physics - Phenomenology · Physics 2011-01-27 Howard E. Haber

We explore the collider signatures of the Higgs sectors in singlet-extended MSSM models. We find that even with reduced couplings due to singlet mixing, a significant portion of the parameter spaces have a discoverable Higgs via traditional…

High Energy Physics - Phenomenology · Physics 2008-11-26 Vernon Barger , Paul Langacker , Gabe Shaughnessy

MSSM Higgs bosons are the most promising way to discover Higgs physics at hadronic colliders since their cross section is enhanced compared to that of the Standard Model. We will present theoretical predictions for their production and…

High Energy Physics - Phenomenology · Physics 2011-05-06 Julien Baglio

The non-conservation of the lepton number has been explored at the LHC through the Lepton-Flavor Violating (LFV) Higgs decays $h\to\ell_a\ell_b$, with $\ell_{a,\,b}=e,\,\mu,\,\tau$ $(a \neq b)$. Current limits on these decays are a source…

High Energy Physics - Phenomenology · Physics 2024-07-18 M. A. Arroyo-Ureña , J. Lorenzo Díaz-Cruz , O. Félix-Beltrán , M. Zeleny-Mora

We present the result of the searches for a low mass Standard Model Higgs boson performed at the Tevatron ppbar collider (sqrt(s) =1.96 TeV) by the CDF and D0 experiments with an integrated luminosity of up to 8.5 fb^-1. Individual searches…

High Energy Physics - Experiment · Physics 2019-08-14 Federico Sforza

We analyze some signatures of neutral Higgs bosons, produced in high energy proton (anti)proton collisions, which decay primarily to top quarks. This channel is clouded by a large irreducible $t\bar t$ background. We investigate the $t\bar…

High Energy Physics - Phenomenology · Physics 2009-10-30 W. Bernreuther , M. Flesch , P. Haberl

We introduce a new approach to the Higgs naturalness problem, where the value of the Higgs mass is tied to cosmic stability and the possibility of a large observable Universe. The Higgs mixes with the dilaton of a CFT sector whose true…

High Energy Physics - Phenomenology · Physics 2021-03-10 Csaba Csaki , Raffaele Tito D'Agnolo , Michael Geller , Ameen Ismail

We have investigated charged Higgs boson production via the gluon-bottom quark mode, gb -> tH+, followed by its decay into a chargino and a neutralino. The calculations are based on masses and couplings given by the Minimal Supersymmetric…

High Energy Physics - Phenomenology · Physics 2011-09-13 C. Hansen , N. Gollub , K. Assamagan , T. Ekelof

The discovery of a Higgs boson by the experiments at the LHC marks a major breakthrough in particle physics, with far-reaching consequences for our understanding of the fundamental principles of our Universe. To fully explore this unique…

High Energy Physics - Experiment · Physics 2014-01-28 Frank Simon

Updated LHC data on the new 126 GeV boson during the 7 and 8 TeV runnings strengthen the standard model Higgs boson interpretation further. Through the global $\chi^2$ analysis, we investigate whether the new particle could be one of the…

High Energy Physics - Phenomenology · Physics 2015-06-17 Sanghyeon Chang , Sin Kyu Kang , Jong-Phil Lee , Kang Young Lee , Seong Chan Park , Jeonghyeon Song

The only place in the world where at this time standard model Higgs bosons can be produced and detected is the Tevatron at Fermilab. In this contribution, the most recent results on the search for a low mass Higgs boson are presented, using…

High Energy Physics - Experiment · Physics 2019-08-14 Michiel P. Sanders
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