English
Related papers

Related papers: Double-charming Higgs identification using machine…

200 papers

We present the study of the $WH$ and $ZH$ search with the Higgs Boson decayed to $b\bar{b}$ at the Large Hadron Collider. The Higgs Boson and the Vector Boson are required to be boosted, and the Higgs Boson is reconstructed with Jet…

High Energy Physics - Phenomenology · Physics 2011-07-12 Wenhan Zhu

We present results on the search for a light charged Higgs boson that can be produced in the decay of a top quark and later decays into a charm and an antistrange quark. The analysis is performed using $19.7\invfb$ pp collison data recorded…

High Energy Physics - Experiment · Physics 2016-01-12 Gouranga Kole

We propose a new strategy to probe the $Z$ boson couplings to bottom and charm quarks at the LHC. In this work we mainly focus on the case of bottom quarks. Here, the $Z$ boson is produced in association with two $b$-jets and decays to…

High Energy Physics - Phenomenology · Physics 2023-06-28 Fady Bishara , Zhuoni Qian

Jet flavour tagging is crucial in experimental high-energy physics. A tagging algorithm, DeepJetTransformer, is presented, which exploits a transformer-based neural network that is substantially faster to train than state-of-the-art graph…

High Energy Physics - Experiment · Physics 2025-02-11 Freya Blekman , Florencia Canelli , Alexandre De Moor , Kunal Gautam , Armin Ilg , Anna Macchiolo , Eduardo Ploerer

We study the reconstruction of high p_T hadronically-decaying top quarks at the LHC. The main challenge in identifying energetic top quarks is that the decay products become increasingly collimated. This reduces the efficacy of conventional…

High Energy Physics - Phenomenology · Physics 2009-06-11 Leandro G. Almeida , Seung J. Lee , Gilad Perez , Ilmo Sung , Joseph Virzi

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

Recently, there has been a growing focus on the search for anomalous objects beyond standard model (BSM) signatures at the Large Hadron Collider (LHC). This study investigates novel signatures involving highly collimated photons, referred…

High Energy Physics - Phenomenology · Physics 2024-01-30 Xiaocong Ai , William Y. Feng , Shih-Chieh Hsu , Ke Li , Chih-Ting Lu

We study a version of Two Higgs Doublet Models with non-standard flavor violation in the up quark sector. We find branching ratios for the rare top decays $t\to hc$ and $t\to hu$ that are within reach of current and future colliders, while…

High Energy Physics - Phenomenology · Physics 2019-07-17 Wolfgang Altmannshofer , Brian Maddock , Douglas Tuckler

Searches for light charged Higgs bosons (H^\pm) in the decay of top quarks, t -> H^\pm b, are being carried out at the LHC and at the Tevatron. It is assumed that the dominant decay channels for such an H^\pm state are either H^\pm ->…

High Energy Physics - Phenomenology · Physics 2013-05-30 A. G. Akeroyd , J. Hernandez-Sanchez , S. Moretti

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at a centre-of-mass energy of 188.6 GeV, corresponding to an integrated luminosity of 176.4 pb^-1. Higgs decays into a charm and a…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

Discriminating the Higgs production mechanisms plays a crucial role in directly measuring the couplings of Higgs to gauge bosons for probing the nature of the electroweak symmetry breaking. We propose a novel method to distinguish the Higgs…

High Energy Physics - Phenomenology · Physics 2023-08-02 Hai Tao Li , Bin Yan , C. -P. Yuan

A search is performed for a heavy scalar resonance X decaying to a Higgs boson (H) and a Higgs-like scalar boson (Y) in the two bottom quark (H $\to$ $\mathrm{b\bar{b}}$) and four quark (Y $\to$ VV $\to$ 4q) final state, where V denotes a W…

High Energy Physics - Experiment · Physics 2026-02-03 CMS Collaboration

A search for neutral Higgs bosons produced in association with b-quark(s) and decaying into a pair of b-quarks is performed with the CMS detector at LHC. The Higgs boson signal is expected to emerge as an excess in the mass spectrum of two…

High Energy Physics - Experiment · Physics 2013-01-30 Igor Marfin

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 suggest a resonant $c \bar b \to H^+$ production search, followed by bosonic $H^+ \to W^+ H$ weak decay at the Large Hadron Collider (LHC). In the general two-Higgs-doublet model (G2HDM) that has flavor-changing neutral Higgs couplings,…

High Energy Physics - Phenomenology · Physics 2025-02-25 Wei-Shu Hou , Mohamed Krab

The excess in $t\to b\overline{b}c$ observed by ATLAS points towards a charged Higgs boson with a mass around 130$\,$GeV, consistent with the expectations from the $B$ anomalies, i.e.$~R_{D^{(*)}}$ and $b\to s\ell^+\ell^-$ data. As a…

High Energy Physics - Phenomenology · Physics 2025-07-02 Guglielmo Coloretti , Andreas Crivellin , Syuhei Iguro

We present the first search for the standard model Higgs boson (H) produced with large transverse momentum ($\mathrm{p_{T}}$) via gluon fusion and decaying to a bottom quark-antiquark pair ($\mathrm{b\overline{b}}$). The search is performed…

High Energy Physics - Experiment · Physics 2018-07-01 Caterina Vernieri

A precise measurement of the Higgs boson couplings to bottom and top quarks is of paramount importance during the upcoming LHC runs. We present a comprehensive analysis for the Higgs production process in association with a…

High Energy Physics - Phenomenology · Physics 2016-01-27 Niccolo Moretti , Petar Petrov , Stefano Pozzorini , Michael Spannowsky

A search for dark matter pair production in association with a Higgs boson decaying to a pair of bottom quarks is presented, using 3.2 $fb^{-1}$ of $pp$ collisions at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the…

High Energy Physics - Experiment · Physics 2017-01-10 ATLAS Collaboration

The vertex detector is crucial for precision measurements of the Higgs boson at the electron-positron Higgs factory. Benchmarked with $H \to c\bar{c}$ and $H \to s\bar{s}$ measurements in the $\nu\bar{\nu}H$ channel, we perform an…

High Energy Physics - Experiment · Physics 2026-01-27 Jialin Li , Liang Hao , Kaili Zhang , Yifan Zhu , Jun Guo , Haijun Yang , Manqi Ruan