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An overview of recent measurements of charm and beauty production in ep collisions at HERA is presented. Various techniques are used by the ZEUS and H1 collaborations to efficiently tag heavy quarks in events and different regions of phase…

High Energy Physics - Experiment · Physics 2009-06-17 S. K. Boutle

Optimization algorithms with momentum, e.g., (ADAM), have been widely used for building deep learning models due to the faster convergence rates compared with stochastic gradient descent (SGD). Momentum helps accelerate SGD in the relevant…

Machine Learning · Computer Science 2020-01-24 Jiyang Bai , Yuxiang Ren , Jiawei Zhang

Mental disorders including depression, anxiety, and other neurological disorders pose a significant global challenge, particularly among individuals exhibiting social avoidance tendencies. This study proposes a hybrid approach by leveraging…

Artificial Intelligence · Computer Science 2025-05-30 Mohammad Helal Uddin , Sabur Baidya

The brain-skull interface (meninges) plays a critical role in governing brain motion during head impacts, yet computational models often simplify this interface using idealized contact conditions due to limited experimental data. This study…

Computational Engineering, Finance, and Science · Computer Science 2025-12-10 Sajjad Arzemanzadeh , Karol Miller , Tim Rosenow , Sjoerd B. Vos , Adam Wittek

Neurological disorders, including stroke, spinal cord injuries, multiple sclerosis, and Parkinson's disease, generally lead to diminished upper extremity (UE) function, impacting individuals' independence and quality of life. Traditional…

Signal Processing · Electrical Eng. & Systems 2024-08-02 Tommaso Proietti , Andrea Bandini

A detailed analysis of transverse momentum spectra of several identified hadrons in high energy collisions within the canonical framework of the statistical model of hadronisation is performed. The study of particle momentum spectra…

High Energy Physics - Phenomenology · Physics 2011-09-13 F. Becattini , G. Passaleva

A first measurement of the 1-jettiness event shape observable $\tau_1^b$ in neutral-current deep inelastic scattering is presented. For the measurement, the equivalence of $\tau_1^b$ to the DIS thrust observable defined in the Breit frame…

High Energy Physics - Experiment · Physics 2021-11-23 Johannes Hessler

In this work we present a new physics-informed machine learning model that can be used to analyze kinematic data from an instrumented mouthguard and detect impacts to the head. Monitoring player impacts is vitally important to understanding…

Computational Engineering, Finance, and Science · Computer Science 2022-03-21 Samuel J. Raymond , Nicholas J. Cecchi , Hossein Vahid Alizadeh , Ashlyn A. Callan , Eli Rice , Yuzhe Liu , Zhou Zhou , Michael Zeineh , David B. Camarillo

The recently proposed participant dissipating effective-energy approach is applied to describe the dependence on centrality of the multiplicity of charged particles measured in heavy-ion collisions at the collision energies up to the…

High Energy Physics - Phenomenology · Physics 2019-10-30 Edward K. Sarkisyan-Grinbaum , Aditya Nath Mishra , Raghunath Sahoo , Alexander S. Sakharov

Neural networks can be drastically shrunk in size by removing redundant parameters. While crucial for the deployment on resource-constraint hardware, oftentimes, compression comes with a severe drop in accuracy and lack of adversarial…

Machine Learning · Computer Science 2024-12-20 Qi Zhao , Christian Wressnegger

PPG based heart rate (HR) monitoring has recently attracted much attention with the advent of wearable devices such as smart watches and smart bands. However, due to severe motion artifacts (MA) caused by wristband stumbles, PPG based HR…

Signal Processing · Electrical Eng. & Systems 2020-10-05 Mahmoud Essalat , Mahdi Boloursaz Mashhadi , Farokh Marvasti

This work aims to derive accretion rates for a sample of 38 HAeBe stars. We apply magnetospheric accretion (MA) shock modelling to reproduce the observed Balmer excesses. We look for possible correlations with the strength of the Halpha,…

Solar and Stellar Astrophysics · Physics 2011-09-16 I. Mendigutía , N. Calvet , B. Montesinos , A. Mora , J. Muzerolle , C. Eiroa , R. D. Oudmaijer , B. Merín

Computer vision has achieved great success in interpreting semantic meanings from images, yet estimating underlying (non-visual) physical properties of an object is often limited to their bulk values rather than reconstructing a dense map.…

Computer Vision and Pattern Recognition · Computer Science 2022-01-31 Shuangjun Liu , Sarah Ostadabbas

White matter hyperintensities (WMH) are commonly found in the brains of healthy elderly individuals and have been associated with various neurological and geriatric disorders. In this paper, we present a study using deep fully convolutional…

Computer Vision and Pattern Recognition · Computer Science 2018-09-20 Hongwei Li , Gongfa Jiang , Jianguo Zhang , Ruixuan Wang , Zhaolei Wang , Wei-Shi Zheng , Bjoern Menze

Inertial Measurement Unit (IMU) sensors are present in everyday devices such as smartphones and fitness watches. As a result, the array of health-related research and applications that tap onto this data has been growing, but little…

Machine Learning · Computer Science 2021-08-23 Davi Pedrosa de Aguiar , Fabricio Murai

After 2001 the upgraded ep collider HERA will provide an about five times higher luminosity for the two experiments H1 and ZEUS. In order to cope with the expected higher event rates the H1 collaboration is building a track based trigger…

High Energy Physics - Experiment · Physics 2014-11-17 A. Baird , E. Elsen , Y. H. Fleming , M. Kolander , S. Kolya , D. Meer , D. Mercer , J. Naumann , P. R. Newman , D. Sankey , A. Schoening , H. -C. Schultz-Coulon , Ch. Wissing

Aims. Clinical data indicating a heart rate (HR) target during rate control therapy for permanent atrial fibrillation (AF) and assessing its eventual relationship with reduced exercise tolerance are lacking. The present study aims at…

Medical Physics · Physics 2017-01-17 Matteo Anselmino , Stefania Scarsoglio , Andrea Saglietto , Fiorenzo Gaita , Luca Ridolfi

The technological advancement in wireless health monitoring through the direct contact of the skin allows the development of light-weight wrist-worn wearable devices to be equipped with different sensors such as photoplethysmography (PPG)…

In standard clinical within-subject analyses of event-related fMRI data, two steps are usually performed separately: detection of brain activity and estimation of the hemodynamic response. Because these two steps are inherently linked, we…

Applications · Statistics 2012-02-08 Lotfi Chaari , Thomas Vincent , Florence Forbes , Michel Dojat , Philippe Ciuciu

The heavy-ball momentum method accelerates gradient descent with a momentum term but lacks accelerated convergence for general smooth strongly convex problems. This work introduces the Accelerated Over-Relaxation Heavy-Ball (AOR-HB) method,…

Optimization and Control · Mathematics 2025-02-18 Jingrong Wei , Long Chen