English
Related papers

Related papers: Geometric Optimization of the MATHUSLA Detector

200 papers

In this study, we propose a fast implementation of a Maximum Likelihood Positioning (MLP) algorithm to estimate the energy and identify the active scintillator pixel in staggered layer scintillation detectors for PET. The staggered layer…

Many extensions of the Standard Model posit the existence of heavy particles with long lifetimes. This article presents the results of a search for events containing at least one long-lived particle that decays at a significant distance…

High Energy Physics - Experiment · Physics 2015-10-27 ATLAS Collaboration

Models in which the dark matter is very weakly coupled to the observable sector may explain the observed dark matter density, either as a "superWIMP" or as "asymmetric dark matter." Both types of models predict displaced vertices at…

High Energy Physics - Phenomenology · Physics 2009-06-30 Spencer Chang , Markus A. Luty

We compare the discovery potential of the LHC for lepton number violating (LNV) signals with the sensitivity of current and future double beta decay experiments, assuming 0\nu\beta\beta decay is dominated by heavy particle exchange. We…

High Energy Physics - Phenomenology · Physics 2013-09-09 J. C. Helo , M. Hirsch , S. G. Kovalenko , H. Pas

We analyze relevant signals expected at the LHC for a stop as the lightest supersymmetric particle (LSP). The discussion is carried out in the framework of the $\mu\nu$SSM, where the presence of $R$-parity violating couplings involving…

High Energy Physics - Phenomenology · Physics 2022-04-13 Essodjolo Kpatcha , Iñaki Lara , Daniel E. López-Fogliani , Carlos Muñoz , Natsumi Nagata , Hidetoshi Otono

In the framework of the low-energy effective theory containing in addition to the Standard Model fields heavy neutral leptons (HNLs), we compute the decay rates of neutral and charged kaons into HNLs. We consider both…

High Energy Physics - Phenomenology · Physics 2024-05-24 Rebeca Beltrán , Julian Günther , Martin Hirsch , Arsenii Titov , Zeren Simon Wang

The problems of neutrino masses, matter-antimatter asymmetry, and dark matter could be successfully addressed by postulating right-handed neutrinos with Majorana masses below the electroweak scale. In this work, leptonic decays of $W$…

High Energy Physics - Experiment · Physics 2020-02-03 ATLAS Collaboration

In the search for exotic events involving displaced particles at HL-LHC, the triggering at the level-1 (L1) system will pose a significant challenge. This is particularly relevant in scenarios where low mass long-lived particles (LLPs) are…

High Energy Physics - Phenomenology · Physics 2023-08-29 Biplob Bhattacherjee , Partha Konar , Vishal Singh Ngairangbam , Prabhat Solanki

This study proposes a mathematical model to optimally locate a set of detectors in such a way that the expected number of casualties in a given threat area can be minimized. Detectors may not be perfectly reliable, which is often a function…

Systems and Control · Electrical Eng. & Systems 2021-01-26 Mohammad Marufuzzaman , Amin Aghalari , Randy Buchanan , Christina H. Rinaudo , Kayla M. Houte , Julekha H. Ranta

Many recent efforts at the LHC have been made to search for new particles that do not decay promptly but are instead long-lived. This has been done via many different exotic signatures, including searches performed at ATLAS for displaced…

High Energy Physics - Experiment · Physics 2026-04-21 David Rousso

In this contribution, we evaluate the sensitivity for particles with charges much smaller than the electron charge with a dedicated scintillator-based detector in the far forward region at the CERN LHC, FORMOSA. This contribution will…

Radiation damage significantly impacts the performance of silicon tracking detectors in Large Hadron Collider (LHC) experiments such as ATLAS and CMS, with signal reduction being the most critical effect; adjusting sensor bias voltage and…

High Energy Physics - Experiment · Physics 2025-01-22 Keerthi Nakkalil , Marco Bomben

We consider regression models involving multilayer perceptrons (MLP) with one hidden layer and a Gaussian noise. The estimation of the parameters of the MLP can be done by maximizing the likelihood of the model. In this framework, it is…

Statistics Theory · Mathematics 2008-02-22 Joseph Rynkiewicz

Predicting degradation rates is an important task in the development of new perovskite solar cells (PSCs). In this paper, we explore the feasibility of solving this problem using Machine Learning models supported by LLM tools. We consider…

Materials Science · Physics 2026-01-27 S. Frenkel , V. Zakharov , E. A. Katz

We discuss the potential of using detectors aimed for searching long-lived particles~(LLP) at the high-luminosity LHC run, to probe the neutrino dipole models. This is achieved by taking the heavy neutral leptons~(HNL) of the models as…

High Energy Physics - Phenomenology · Physics 2023-07-26 Wei Liu , Yu Zhang

We consider minimal Gauge Mediated Supersymmetry Breaking models at which the next to lightest supersymmetric particle is a neutralino with a large enough decay length to be detected at the CERN Large Hadron Collider. We analyze the…

High Energy Physics - Phenomenology · Physics 2013-06-26 F. de Campos , M. B. Magro

Allowed regions on the m_l - cos{2\theta_{12}} plane are extracted from results of neutrinoless double beta decay experiments. It is shown that 0.05 eV (0 eV) < m_l < 1.85 eV is obtained for the normal (inverted) hierarchy by using the LMA…

High Energy Physics - Phenomenology · Physics 2009-11-07 Hiroaki Sugiyama

Recent advancements in particle physics demand pixel detectors that can withstand increased luminosity in the future collider experiments. In response, MALTA, a novel monolithic active pixel detector, has been developed with a cutting-edge…

Instrumentation and Detectors · Physics 2025-02-05 Anusree Vijay , Prafulla Kumar Behera , Theertha Chembakan , Ganapati Dash

The micromegas technology is a promising candidate to replace the forward muon chambers for the luminosity upgrade of ATLAS. The LHC accelerator luminosity will be five times the nominal one, increasing background and pile-up event…

Instrumentation and Detectors · Physics 2015-06-03 J. Galan , D. Attie , J. Derre , E. Ferrer Ribas , A. Giganon , I. Giomataris , F. Jeanneau , J. Manjarres , R. de Oliveira , P. Schune , M. Titov , J. Wotschack