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We discuss an experimental technique aimed at tagging electron neutrinos in multi-GeV artificial sources on an event-by-event basis. It exploits in a novel manner calorimetric and tracking technologies developed in the framework of the LHC…

高能物理 - 实验 · 物理学 2014-11-20 L. Ludovici , F. Terranova

We study the potential to use measurements of extra neutral gauge bosons (Z') properties in pp collisions at the Large Hadron Collider to unravel the underlying physics. We focus on the usefulness of third generation final states (tau, b,…

高能物理 - 唯象学 · 物理学 2011-06-24 Ross Diener , Stephen Godfrey , Travis A. W. Martin

A Zee-type neutrino mass matrix model with a badly broken horizontal symmetry SU(3)_H is investigated. By putting a simple ansatz on the symmetry breaking effects of SU(3)_H for transition matrix elements, it is demonstrated that the model…

高能物理 - 唯象学 · 物理学 2009-10-31 Yoshio Koide , Ambar Ghosal

We establish a hybrid seesaw mechanism to explain small neutrino masses and predict cold dark matter candidate in the context of the B-L gauge symmetry extension of the Standard Model. In this model a new scalar doublet and two new fermion…

高能物理 - 唯象学 · 物理学 2015-03-13 Tong Li , Wei Chao

We study the impact of the coupling of neutrinos with a new light neutral gauge boson, $Z^\prime$, with a mass of less than 500 {\rm MeV} in FASER$\nu$ experiment. Scenarios in which a light gauge boson is coupled to neutrinos are motivated…

高能物理 - 唯象学 · 物理学 2021-09-01 Majid Bahraminasr , Pouya Bakhti , Meshkat Rajaee

We develop a "precision-ready", model-independent EFT framework that connects general leptophilic gauge interactions to their low-energy manifestations in SMEFT and LEFT. Starting from a broad U(1)'_ell extension in which leptons carry…

高能物理 - 唯象学 · 物理学 2025-12-03 Seyit Okan Kara

The Matrix-Element Method (MEM) has long been a cornerstone of data analysis in high-energy physics. It leverages theoretical knowledge of parton-level processes and symmetries to evaluate the likelihood of observed events. In parallel, the…

高能物理 - 唯象学 · 物理学 2024-10-25 Daniel Maître , Vishal S. Ngairangbam , Michael Spannowsky

Extracting scientific results from high-energy collider data involves the comparison of data collected from the experiments with synthetic data produced from computationally-intensive simulations. Comparisons of experimental data and…

高能物理 - 实验 · 物理学 2022-11-23 Matthew Feickert , Mihir Katare , Mark Neubauer , Avik Roy

The experiments searching for a hidden gauge sector with a leptophilic neutral gauge boson have already ruled out $U(1)_{L_e-L_\mu}$ as a feasible extension of the Standard Model (SM) gauge group ($\mathcal{G}_{\rm SM}$) for explaining the…

高能物理 - 唯象学 · 物理学 2025-01-28 Bibhabasu De

The Higgs-portal lepton flavor violation is studied in a vectorlike lepton model. For evading the constraints from rare $Z\to \ell^\pm_i \ell^\mp_j$ decays, we introduce two triplet vectorlike leptons, $(1,3)_{-1}$ and $(1,3)_{0}$. The…

高能物理 - 唯象学 · 物理学 2016-07-01 Chuan-Hung Chen , Takaaki Nomura

We discuss the future prospects of a minimally five-dimensional version of the well-motivated scenario for addressing the discrepancy in the muon anomalous magnetic moment, the $U(1)_{L_\mu - L_\tau}$ extension of the standard model (SM)…

高能物理 - 唯象学 · 物理学 2026-04-21 Dibyendu Chakraborty , Arindam Chatterjee , Ayushi Kaushik , Kenji Nishiwaki

We explore the potential of the CERN-LHC to access strongly interacting gauge boson systems via weak-boson scattering processes with W+W-jj, ZZjj, W+Zjj and W-Zjj final states, focusing on the leptonic decay modes of the gauge bosons. Cross…

高能物理 - 唯象学 · 物理学 2009-04-15 C. Englert , B. Jager , M. Worek , D. Zeppenfeld

In electromagnetic analysis, the finite element and boundary element methods jointly known as 'FEM-BEM coupling' is applied for numerically solving levitation problem based on eddy current. The main focus behind this coupled analysis method…

数值分析 · 数学 2021-08-24 Sayan Sarkar , Amit Jena , Mashuq un Nabi

Extensions of the Standard Model with masses at or below the GeV scale are motivated by searches for dark matter and precision measurements in the quark and lepton flavour sectors, including that of the muon anomalous magnetic moment. An…

高能物理 - 唯象学 · 物理学 2024-11-06 C. Brown , J. Fiaschi , O. Fischer , T. Teubner

We quantify the effect of gauge bosons from a weakly coupled lepton flavor dependent $U(1)'$ interaction on the matter background in the evolution of solar, atmospheric, reactor and long-baseline accelerator neutrinos in the global analysis…

高能物理 - 唯象学 · 物理学 2024-04-26 Pilar Coloma , M. C. Gonzalez-Garcia , Michele Maltoni

The study of electroweak boson pair production provides a powerful test of the spontaneously broken gauge symmetry of the Standard Model (SM) and can be used to search for new phenomena beyond the SM. Extra neutral vector bosons $Z'$…

高能物理 - 唯象学 · 物理学 2017-10-04 P. Osland , A. A. Pankov , A. V. Tsytrinov

We discuss the extension of the matrix element method (MEM) to Next-to-Leading Order (NLO) in perturbation theory. In particular we focus on the production of a Standard Model Higgs boson which decays into four leptons.

高能物理 - 唯象学 · 物理学 2012-05-16 John M. Campbell , Walter T. Giele , Ciaran Williams

We point out that light gauge boson mediators could induce new interference effects in neutrino-electron scattering that can be used to enhance the sensitivity of neutrino-flavor-selective high-intensity neutrino experiments, such as DUNE.…

高能物理 - 唯象学 · 物理学 2021-10-13 P. S. Bhupal Dev , Doojin Kim , Kuver Sinha , Yongchao Zhang

This work presents an Iterative Constraint Energy Minimizing Generalized Multiscale Finite Element Method (ICEM-GMsFEM) for solving the contact problem with high contrast coefficients. The model problem can be characterized by a variational…

数值分析 · 数学 2024-06-06 Zishang Li , Changqing Ye , Eric T. Chung

Exchanging a $Z^\prime$ gauge boson is a favored mechanism to solve the muon $(g-2)_\mu$ anomaly. Among such models the $Z^\prime$ from $U(1)_{L_\mu - L_\tau}$ gauge group has been extensively studied. In this model the same interaction…

高能物理 - 唯象学 · 物理学 2022-03-09 Yu Cheng , Xiao-Gang He , Jin Sun