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A prospective for the inclusive search of the Standard Model Higgs boson in the decay channel H->gammagamm is presented with the CMS experiment at the LHC. The analysis relies on a strategy to determine the background characteristics and…

High Energy Physics - Experiment · Physics 2009-11-13 Serguei Ganjour

The bottom-up saliency, an early stage of humans' visual attention, can be considered as a binary classification problem between center and surround classes. Discriminant power of features for the classification is measured as mutual…

Computer Vision and Pattern Recognition · Computer Science 2013-01-18 Anh Cat Le Ngo , Kenneth Ang Li-Minn , Guoping Qiu , Jasmine Seng Kah-Phooi

We study direct searches of additional Higgs bosons in multi-top-quarks events at the LHC Run-II, its luminosity upgraded version with 3000 fb$^{-1}$, and the International Linear Collider (ILC) with the collision energy of 1 TeV.…

High Energy Physics - Phenomenology · Physics 2015-12-09 Shinya Kanemura , Hiroshi Yokoya , Ya-Juan Zheng

We investigate the prospective reach of the 14 TeV HL-LHC for resonant production of a heavy Higgs boson that decays to two SM-like Higgs bosons in the $4b$ final state in the scalar singlet extended Standard Model. We focus on the reach…

High Energy Physics - Phenomenology · Physics 2019-11-06 Hao-Lin Li , Michael Ramsey-Musolf , Stéphane Willocq

An inclusive search for anomalous Higgs boson production in the diphoton decay channel and in association with at least one jet is presented, using LHC proton-proton collision data collected by the CMS experiment at a center-of-mass energy…

High Energy Physics - Experiment · Physics 2018-02-20 CMS Collaboration

We present an analysis with improved sensitivity to the light charged Higgs ($m_{H^+} < m_t-m_b$) searches in the top quark decays $t \to b H^+ \to b (\tau^+\nu_\tau) + ~{\rm c.c.}$ in the $t\bar{t}$ and single $t/\bar{t}$ production…

High Energy Physics - Phenomenology · Physics 2011-09-12 Ahmed Ali , Fernando Barreiro , Javier Llorente

The Higgs mechanism introduced in 1964 gives a satisfactory solution to a major problem of the standard model of elementary particles: the origin of the mass. It predicts the existence of the Higgs scalar boson, which has not been…

High Energy Physics - Experiment · Physics 2012-01-31 Florian Miconi

The production cross section for a m_H=115 GeV, SM Higgs boson in weak boson fusion at the LHC is sizable. However, the branching fraction for H-->WW is expected to be relatively small. The signal, with its two forward jets, is sufficiently…

High Energy Physics - Phenomenology · Physics 2014-11-17 N. Kauer , T. Plehn , D. Rainwater , D. Zeppenfeld

In an extension of the Standard Model(SM) based on the ideas of Lee and Wick, Grinstein, O'Connell and Wise have found an interesting way to remove the usual quadratically divergent contributions to the Higgs mass induced by radiative…

High Energy Physics - Phenomenology · Physics 2009-11-13 Thomas G. Rizzo

A search for Standard Model Higgs bosons produced in association with a high-energy photon and decaying to $b\bar{b}$ is performed using 133 fb$^{-1}$ of $\sqrt{s}=13$ TeV $pp$ collision data collected with the ATLAS detector at the Large…

High Energy Physics - Experiment · Physics 2026-05-05 ATLAS Collaboration

The associate production of Higgs bosons with W or Z bosons, known as Higgs-strahlung, is an important search channel for Higgs bosons at the hadron colliders Tevatron and LHC for low Higgs-boson masses. We refine a previous calculation of…

High Energy Physics - Phenomenology · Physics 2015-06-03 A. Denner , S. Dittmaier , S. Kallweit , A. Mück

Extra scalar fields are common in beyond Standard Model (SM) new physics, and they may mix with the 125 GeV SM-like Higgs boson discovered at the LHC. This fact suggests possible discovery channels for these new scalar fields with their…

High Energy Physics - Phenomenology · Physics 2014-07-31 Ning Chen , Chun Du , Yaquan Fang , Lan-Chun Lü

The Higgs boson H produced in association with a vector boson V=W, Z is the main production mechanism for searches at the Tevatron and forms an important part of Higgs analyses at the LHC. We show here that the V+H invariant mass…

High Energy Physics - Phenomenology · Physics 2013-10-21 Tevong You

The jet Trimming procedure has been demonstrated to greatly improve event reconstruction in hadron collisions, by mitigating contamination due initial state radiation, multiple interactions, and event pileup. Meanwhile, Qjets -- a…

High Energy Physics - Phenomenology · Physics 2017-04-12 Tuhin S. Roy , Arun M. Thalapillil

We investigate characteristics of the signal and backgrounds for Higgs boson decay into WW at the Fermilab Tevatron and CERN Large Hadron Collider. In the the lepton-pair-plus-missing-energy final state, we show that the background receives…

High Energy Physics - Phenomenology · Physics 2008-11-26 Zack Sullivan , Edmond L. Berger

We demonstrate that in supersymmetry (SUSY) with relatively light top superpartners, h -> bb can be a very promising channel to discover the SM-like Higgs resonance at the Large Hadron Collider (LHC), although in general contexts it is…

High Energy Physics - Phenomenology · Physics 2015-06-12 David Berenstein , Tao Liu , Erik Perkins

Precision electroweak data, a light higgs and LHC searches for new spin one particles are all very constraining on technicolor models. We use a holographic model of walking techicolor (WTC) gauge dynamics, tuned to produce a light higgs and…

High Energy Physics - Phenomenology · Physics 2019-05-15 Alexander Belyaev , Azaria Coupe , Nick Evans , Marc Scott

A generic heavy Higgs has both dim-4 and effective dim-6 interactions with the Standard Model (SM) particles. The former has been the focus of LHC searches in all major Higgs production channels, just as the SM one, but with negative…

High Energy Physics - Phenomenology · Physics 2020-03-18 Xin Chen , Yue Xu , Yongcheng Wu , Yu-Ping Kuang , Qing Wang , Hang Chen , Shih-Chieh Hsu , Zhen Hu , Congqiao Li

The distribution of particles inside hadronic jets produced in the decay of boosted $W$ and $Z$ bosons can be used to discriminate such jets from the continuum background. Given that a jet has been identified as likely resulting from the…

High Energy Physics - Experiment · Physics 2016-06-01 ATLAS Collaboration

The production of W pairs from the one-loop gluon fusion process is studied. Formulas are presented for the helicity amplitudes keeping the top mass finite, but all other quark masses zero. The correlations among the leptons coming from the…

High Energy Physics - Phenomenology · Physics 2009-11-11 M. D"uhrssen , K. Jakobs , P. Marquard , J. J. van der Bij