English
Related papers

Related papers: Lone Higgs at the LHC

200 papers

Motivated by the recent results in the standard model (SM) Higgs boson search at the Large Hadron Collider (LHC) we investigate the SM-like CP-even Higgs boson of the U(1)'-extended minimal supersymmetric standard model (UMSSM) and its…

High Energy Physics - Phenomenology · Physics 2015-06-04 Chun-Fu Chang , Kingman Cheung , Yi-Chuen Lin , Tzu-Chiang Yuan

In recent years, the production of a SM particle with large missing transverse momentum, dubbed mono-X searches, have gained increasing attention. After the discovery of the Higgs boson in 2012, the run-II of the LHC will now scrutinise its…

High Energy Physics - Phenomenology · Physics 2016-05-04 Lorenzo Basso

Both Atlas and CMS have reported a discovery of a Standard Model-like Higgs boson $H$ of mass around 125 GeV. Consistency with the Standard Model implies the non-observation of non-SM like decay modes of the newly discovered particle.…

High Energy Physics - Phenomenology · Physics 2012-12-03 Christoph Englert , Michael Spannowsky , Chris Wymant

We review the role of a muon collider in the study of Higgs bosons via production in the s-channel. Very precise measurements of a Standard Model-like Higgs boson mass and total width can be performed, and may lead to a discrimination…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. S. Berger

We scan the parameter space of the NMSSM for the observability of a Higgs boson at the LHC with $300 {\rm fb}^{-1}$ integrated luminosity per detector, taking the present LEP constraints into account. We focus on the regions of parameter…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ulrich Ellwanger , John F. Gunion , Cyril Hugonie , Stefano Moretti

Motivated by future collider proposals that aim to measure the Higgs properties precisely, we study the partial decay widths of the lightest Higgs boson in the minimal supersymmetric standard model with an emphasis on the parameter region…

High Energy Physics - Phenomenology · Physics 2015-06-11 Motoi Endo , Takeo Moroi , Mihoko M. Nojiri

The Higgs boson could provide the key to discover new physics at the Large Hadron Collider. We investigate novel decays of the Standard Model (SM) Higgs boson into leptophobic gauge bosons which can be light in agreement with all…

High Energy Physics - Phenomenology · Physics 2020-07-17 Pavel Fileviez Perez , Elliot Golias , Clara Murgui , Alexis D. Plascencia

Particle physics models with more than one Higgs boson occur in many frameworks for physics beyond the standard model, including supersymmetry, technicolor, composite Higgs, and "little Higgs" models. If the Higgs sector contains couplings…

High Energy Physics - Phenomenology · Physics 2013-03-11 Spencer Chang , Jared A. Evans , Markus A. Luty

We present an analysis of the production and two-photon decay of the lightest CP-even Higgs boson of the Minimal Supersymmetric Standard Model (MSSM) at the Large Hadron Collider (LHC). A rather general model is considered, without…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. Kileng , P. Osland , P. N. Pandita

Two extensions of the standard model, one that includes the seesaw mechanism of type II, and the minimal supersymmetric extention to the standard model, are studied using up to 1.6 fb^{-1} of data collected in proton-proton collisions at…

High Energy Physics - Experiment · Physics 2019-08-14 Alexander A. Savin

We consider next-to-minimal supersymmetric standard model (NMSSM) which has a gauge singlet superfield. In the scale invariant superpotential we do not have the mass terms and the whole Lagrangian has an additional $Z_3$ symmetry. This…

High Energy Physics - Phenomenology · Physics 2016-07-12 Priyotosh Bandyopadhyay , Katri Huitu , Saurabh Niyogi

Studying the properties of the Higgs boson can be an important window to explore the physics beyond the Standard Model (SM). In this work, we present studies on the implications of the Higgs precision measurements at future Higgs Factories.…

High Energy Physics - Phenomenology · Physics 2019-06-26 Ning Chen , Jiayin Gu , Tao Han , Honglei Li , Zhen Liu , Huayang Song , Shufang Su , Wei Su , Yongcheng Wu , Jin Min Yang

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

The CP-violating version of the Minimal Supersymmetric Standard Model (MSSM) is an example of a model where experimental data do not preclude the presence of light Higgs bosons in the range around 10 -- 110 GeV. Such light Higgs bosons,…

High Energy Physics - Phenomenology · Physics 2013-05-30 Biplob Bhattacherjee , Amit Chakraborty , Dilip Kumar Ghosh , Sreerup Raychaudhuri

After the discovery of the Higgs-like boson by the LHC 2012 it is the most important task to check whether this new particle is the Standard Model Higgs boson or something else. In this paper, we study whether the 125 GeV boson could be the…

High Energy Physics - Phenomenology · Physics 2013-02-20 J. Reuter , M. Tonini

We investigate the observability of the lightest Higgs boson in the gluon-fusion channel at the CERN Large Hadron Collider (LHC) in the minimal supersymmetric Standard Model with explicit CP-violating mixing among three neutral Higgs…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. Y. Choi , Kaoru Hagiwara , Jae Sik Lee

We investigate signatures induced by a very light pseudoscalar Higgs in neutralino decays in the Next-to-Minimal Supersymmetric Standard Model (NMSSM) and determine their observability at the LHC. We concentrate on scenarios which feature…

High Energy Physics - Phenomenology · Physics 2014-02-17 David G. Cerdeno , Pradipta Ghosh , Chan Beom Park , Miguel Peiro

The discovery potential of the ATLAS experiment at the LHC for Higgs bosons of the MSSM is discussed. Several CP conserving and one CP violating benchmark scenario are investigated.

High Energy Physics - Phenomenology · Physics 2007-05-23 Markus Schumacher

In this article we analyze the impact of B-physics and Higgs physics at LEP on standard and non-standard Higgs bosons searches at the Tevatron and the LHC, within the framework of minimal flavor violating supersymmetric models. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Carena , A. Menon , C. E. M. Wagner

After the discovery of the Higgs boson at the LHC, it is natural to start the research program on the precision study of the Higgs-boson couplings to various standard model (SM) particles. We provide a generic framework for the deviations…

High Energy Physics - Phenomenology · Physics 2015-06-15 Kingman Cheung , Jae Sik Lee , Po-Yan Tseng