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The latest results from the ATLAS and CMS experiments at the CERN Large Hadron Collider (LHC) unequivocally confirm the existence of a resonance, $X$, with mass near 125 GeV which could be the Higgs boson of the Standard Model. Measuring…

High Energy Physics - Phenomenology · Physics 2013-11-05 James S. Gainer , Joseph Lykken , Konstantin T. Matchev , Stephen Mrenna , Myeonghun Park

We investigate the sensitivity of the heavy ion mode of the LHC to Higgs boson and Radion production via photon-photon fusion through the analysis of the processes photon to photon photon, photon photon to b anti-b, and photon photon to g g…

High Energy Physics - Phenomenology · Physics 2011-12-20 S. M. Lietti , C. G. Roldao

We have examined how a Standard Model or Supersymmetric Higgs boson h might be detected at possible hadron colliders. The channels W(to ell nu)h(to b b~), Z(to ell ell~)h(to b b~) and W/Z(to jets)h(to tau+ tau-) are most useful. The results…

High Energy Physics - Phenomenology · Physics 2016-09-01 Stephen Mrenna , G. L. Kane

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 feasibility of detecting a heavy charged Higgs boson, m(H^{+-})>m(t)+m(b), decaying in the H^{+-}->tb channel is studied with the fast simulation of the ATLAS detector. We study the gg->H^{+-}tb production process at the LHC which…

High Energy Physics - Phenomenology · Physics 2011-03-23 K. A. Assamagan , N. Gollub

We study the prospects of measuring the CP property of the Higgs ($h$) coupling to tau leptons using the vector boson fusion (VBF) production mode at the high-luminosity LHC. Utilizing the previously proposed angle between the planes…

High Energy Physics - Phenomenology · Physics 2017-05-26 Tao Han , Satyanarayan Mukhopadhyay , Biswarup Mukhopadhyaya , Yongcheng Wu

Most of the current experimental searches for charged Higgs bosons at the Large Hadron Collider (LHC) concentrate upon the $tb$ and $\tau\nu$ decay channels. In the present study, we analyze instead the feasibility of the bosonic decay…

High Energy Physics - Phenomenology · Physics 2023-05-18 Z. Li , A. Arhrib , R. Benbrik , M. Krab , B. Manaut , S. Moretti , Y. Wang , Q. S. Yan

We study the Large Hadron Collider (LHC) discovery prospects of a light charged Higgs boson decaying into a $W$ boson and a non-Standard Model (SM)-like Higgs within the 2-Higgs Doublet Model type-I. In the analysis, we consider the…

High Energy Physics - Phenomenology · Physics 2024-02-13 A. Arhrib , R. Benbrik , M. Krab , B. Manaut , S. Moretti , Y. Wang , Q. S. Yan

Dark photons $\bar \gamma$ mediating long-range forces in a dark sector are predicted by various new physics scenarios, and are being intensively searched for in experiments. We extend a previous study of a new discovery process for dark…

High Energy Physics - Phenomenology · Physics 2016-05-25 Sanjoy Biswas , Emidio Gabrielli , Matti Heikinheimo , Barbara Mele

We study the process gg -> b bbar H+ H- at large tan(beta), where it represents the dominant production mode of charged Higgs boson pairs in a Type II 2-Higgs Doublet Model, including the Minimal Supersymmetric Standard Model. The ability…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. Moretti , J. Rathsman

Now that the Higgs boson has been observed by the ATLAS and CMS experiments at the LHC, the next important step would be to measure accurately its properties to establish the details of the electroweak symmetry breaking mechanism. Among the…

High Energy Physics - Phenomenology · Physics 2013-07-19 J. Baglio , A. Djouadi , R. Grober , M. M. Muhlleitner , J. Quevillon , M. Spira

The Standard Model Higgs boson may be mixed with another scalar that does not couple to fermions. The electroweak quantum numbers of such an additional scalar can be determined by measuring the quartic Higgs-Higgs-vector-vector couplings,…

High Energy Physics - Phenomenology · Physics 2013-09-04 Ryan Killick , Kunal Kumar , Heather E. Logan

We show that both flavor-conserving and flavor-violating Yukawa couplings of the Higgs boson to first- and second-generation quarks can be probed by measuring rare decays of the form h->MV, where M denotes a vector meson and V indicates…

High Energy Physics - Phenomenology · Physics 2015-03-18 Alexander L. Kagan , Gilad Perez , Frank Petriello , Yotam Soreq , Stoyan Stoynev , Jure Zupan

We examine the detection of the intermediate-mass Higgs boson (IMH) at LHC through the associate production channel pp-->t+(anti-t)+H+X-->l+photon+ photon+X'. It is shown that by applying kinematic cuts or b-tagging on the final state jets,…

High Energy Physics - Phenomenology · Physics 2009-10-28 Hong-Yi Zhou , Yu-Ping Kuang

We show that a light charged Higgs boson signal via $\tau^\pm\nu$ decay can be established at the Large Hadron Collider (LHC) also in the case of single top production. This process complements searches for the same signal in the case of…

High Energy Physics - Phenomenology · Physics 2015-06-05 Renato Guedes , Stefano Moretti , Rui Santos

The paper presents a measurement of the Standard Model Higgs Boson decaying to $b$-quark pairs in the vector boson fusion (VBF) production mode. A sample corresponding to 126 fb$^{-1}$ of $\sqrt{s} =$ 13 TeV proton-proton collision data,…

High Energy Physics - Experiment · Physics 2021-06-30 ATLAS Collaboration

We evaluate the LHC discovery potential for a light Higgs boson in t tbar H (-> l nu b bbar b bbar jj) production, within the Standard Model and if a new Q=2/3 quark singlet T with a moderate mass exists. In the latter case, T pair…

High Energy Physics - Phenomenology · Physics 2009-11-11 J. A. Aguilar-Saavedra

The small mass of the bottom quark, relative to its weak isospin partner, the top quark, makes the bottom an effective probe of new physics in Higgs and top sectors. We study the Higgs boson production associated with bottom quarks,…

High Energy Physics - Phenomenology · Physics 2009-09-25 C. Balazs , J. L. Diaz-Cruz , H. -J. He , T. Tait , C. -P. Yuan

The weak boson fusion process for neutral Higgs boson production is investigated with particular attention to the accuracy with which the Higgs boson coupling to weak bosons can be determined at CERN Large Hadron Collider (LHC) energies in…

High Energy Physics - Phenomenology · Physics 2009-02-05 Edmond L. Berger , John Campbell

We investigate the signature of a heavy charged Higgs boson of the Minimal Supersymmetric Standard Model in the lepton plus multi-jet channel at the Large Hadron Collider with four $b$-tags. The signal is the gluon-gluon fusion process…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. J. Miller , S. Moretti , D. P. Roy , W. J. Stirling