English
Related papers

Related papers: Role of angular observables in probing non-standar…

200 papers

The couplings of the Higgs boson ($H$) with massive gauge bosons of weak interaction ($V= W, Z$), can be probed in single Higgs boson production at the proposed future Large Hadron-Electron Collider (LHeC). In the collision of an electron…

High Energy Physics - Phenomenology · Physics 2022-07-11 Pramod Sharma , Ambresh Shivaji

The single Higgs production in neutral-current (NC) and charged-current (CC) processes at an electron-proton ($ep$) collider is a useful channel to probe new physics effects in the Higgs coupling to vector boson ($HVV$). In this context,…

High Energy Physics - Phenomenology · Physics 2025-09-16 Biswajit Das , Pramod Sharma , Ambresh Shivaji

A high energy ep collider, such as the proposed LHeC, possesses the unique facility of permitting direct measurement of the HWW coupling without contamination from the HZZ coupling. At such a machine, the fusion of two W bosons through the…

High Energy Physics - Phenomenology · Physics 2015-06-04 Sudhansu S. Biswal , Rohini M. Godbole , Bruce Mellado , Sreerup Raychaudhuri

We examine the sensitivity to the couplings of the Higgs boson to neutral gauge bosons in a model independent way at the Large Hadron electron Collider (LHeC). We have obtained the constraints on anomalous couplings for $HZZ$ vertex via the…

High Energy Physics - Phenomenology · Physics 2013-09-18 I. T. Cakir , O. Cakir , A. Senol , A. T. Tasci

This presentation gives the prospects of measuring the general Lorentz structures of $VVH$ ($V=Z$, $\gamma$ and $W$) couplings at the International Linear Collider (ILC). Sensitivities to Higgs CP-even and CP-odd structures are evaluated by…

High Energy Physics - Experiment · Physics 2018-12-11 Tomohisa Ogawa , Junping Tian , Keisuke Fujii

The production of a Higgs boson in association with a $Z$ at an electron-positron collider is one of the cleanest methods for the measurement of the couplings of the Higgs boson. In view of the large production cross section at energies a…

High Energy Physics - Phenomenology · Physics 2023-04-28 Kumar Rao , Saurabh D. Rindani , Priyanka Sarmah , Balbeer Singh

The production of a Higgs boson in association with a $Z$ at an electron-positron collider is one of the cleanest methods for the measurement of the couplings of the Higgs boson. In view of the large production cross section at energies a…

High Energy Physics - Phenomenology · Physics 2024-09-02 Kumar Rao , Saurabh D. Rindani , Priyanka Sarmah , Balbeer Singh

We study in detail the impact of anomalous Higgs couplings in angular asymmetries of the crossing-symmetric processes H --> Zl+l- and e+e- --> HZ. Beyond Standard Model physics is parametrized in terms of the SU(3)xSU(2)_LxU(1)_Y…

High Energy Physics - Phenomenology · Physics 2014-11-13 Martin Beneke , Diogo Boito , Yu-Ming Wang

The $HZ\gamma $ coupling, which is highly sensitive to the new physics beyond the standard model, is studied through the process $pp\rightarrow p\gamma p\rightarrow pHX$ at the LHC. To this purpose, an effective Lagrangian, in a model…

High Energy Physics - Phenomenology · Physics 2016-10-11 S. Taheri Monfared , Sh. Fayazbakhsh , M. Mohammadi Najafabadi

We study angular observables in the $e^+e^-\to Z H\to \ell^+ \ell^-\,b\bar{b}$ channel at future circular $e^+ e^-$ colliders such as CEPC and FCC-ee. Taking into account the impact of realistic cut acceptance and detector effects, we…

High Energy Physics - Phenomenology · Physics 2016-03-17 Nathaniel Craig , Jiayin Gu , Zhen Liu , Kechen Wang

We study the sensitivity of constraining the model independent Higgs-Z-Z coupling under effective theory up to dimension-6 operators at the future Higgs factory. Utilizing the current conceptual design parameters of the Circular Electron…

High Energy Physics - Experiment · Physics 2020-01-08 Hua-Dong Li , Cai-Dian Lu , Lian-You Shan

The proposed Large Hadron Electron Collider (LHeC), with center-of-mass energy of $\sqrt{s}\approx 1.3$ TeV, provides a clean and sensitive environment to probe the top quark's neutral current interactions with the $Z$ boson via the process…

High Energy Physics - Phenomenology · Physics 2025-11-20 Katlego Machethe , Pramod Sharma , Mukesh Kumar , Rafiqul Rahaman , Bruce Mellado

We examine, in a model independent way, the sensitivity of a Linear Collider to the couplings of a light Higgs boson to gauge bosons. Including the possibility of CP violation, we construct several observables that probe the different…

High Energy Physics - Phenomenology · Physics 2014-11-18 Sudhansu S. Biswal , Debajyoti Choudhury , Rohini M. Godbole , Ritesh K. Singh

Being one of the golden channels for precise measurement of Higgs properties, the process $gg \to H\to ZZ \rightarrow 4l$ provides an opportunity to detect the anomalous $HZZ$ couplings in searching of new physics beyond the Standard Model.…

High Energy Physics - Phenomenology · Physics 2022-11-16 Yi-Song Lu , You-Kai Wang , Xiang-Yuan You

In this paper, we use the charged-current Higgs boson production process at future electron-proton colliders, $e^-p \to H j \nu_e$, with the subsequent decay of the Higgs boson into a $b\bar{b}$ pair, to probe the Standard Model effective…

High Energy Physics - Phenomenology · Physics 2024-05-30 Gholamhossein Haghighat , Reza Jafari , Hamzeh Khanpour , Mojtaba Mohammadi Najafabadi

We analyse the hVV (V = W, Z) vertex in a model independent way using Vh production. To that end, we consider possible corrections to the Standard Model Higgs Lagrangian, in the form of higher dimensional operators which parametrise the…

High Energy Physics - Phenomenology · Physics 2015-04-29 Rohini M. Godbole , David J. Miller , Kirtimaan A. Mohan , Christopher D. White

We examine how accurately the general HZV couplings, with V=Z,gamma, may be determined by studying e^+e^- --> Hff-bar processes at future e^+e^- linear colliders. By using the optimal-observable method, which makes use of all available…

High Energy Physics - Phenomenology · Physics 2016-09-06 K. Hagiwara , S. Ishihara , J. Kamoshita , B. A. Kniehl

The quartic gauge boson couplings that identify the strengths of the gauge boson self-interactions are exactly determined by the non-Abelian gauge nature of the Standard Model. The examination of these couplings at $ep$ collisions with high…

High Energy Physics - Phenomenology · Physics 2021-08-02 E. Gurkanli , V. Ari , A. A. Billur , M. Köksal

In this article, the prospects for studying the tensor structure of the HZZ vertex with the LHC experiments are presented. The structure of tensor couplings in Higgs di-boson decays is investigated by measuring the asymmetries and by…

High Energy Physics - Phenomenology · Physics 2015-06-24 N. Belyaev , R. Konoplich , L. Egholm Pedersen , K. Prokofiev

We explore the experimental sensitivities of measuring the $gg \rightarrow Z \gamma$ process at the LHC to the dimension-8 quartic couplings of gluon pairs to the $Z$ boson and photon, in addition to comparing them with the analogous…

High Energy Physics - Phenomenology · Physics 2022-05-10 John Ellis , Shao-Feng Ge , Kai Ma
‹ Prev 1 2 3 10 Next ›