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In most PIC/MCC simulations of radio frequency capacitively coupled plasmas (CCPs) several simplifications are made: (i) fast neutrals are not traced, (ii) heavy particle induced excitation and ionization are neglected, (iii) secondary…

Plasma Physics · Physics 2015-06-23 A. Derzsi , I. Korolov , E. Schuengel , Z. Donko , J. Schulze

The use of transverse electric (TE) waves has proved to be a powerful, noninvasive method for estimating the densities of electron clouds formed in particle accelerators. Results from the plasma simulation program VORPAL have been a useful…

Accelerator Physics · Physics 2015-06-18 Kiran G. Sonnad , Kenneth Hammond , Robert Schwartz , Seth Veitzer

Turbulent mixing and entrainment at the boundary of a cloud is studied by means of direct numerical simulations that couple the Eulerian description of the turbulent velocity and water vapor fields with a Lagrangian ensemble of cloud water…

Fluid Dynamics · Physics 2013-10-14 Bipin Kumar , Joerg Schumacher , Raymond A. Shaw

The high-luminosity phase of the Large Hadron Collider (HL-LHC) will result in ten times higher particle background than measured during the first phase of LHC operation. In order to fully exploit the highly-demanding operating conditions…

Instrumentation and Detectors · Physics 2020-06-09 CMS Muon Group

Improvements of Machine Learning (ML)-based radiation emulators remain constrained by the underlying assumptions to represent horizontal and vertical subgrid-scale cloud distributions, which continue to introduce substantial uncertainties.…

Atmospheric and Oceanic Physics · Physics 2025-10-09 Katharina Hafner , Sara Shamekh , Guillaume Bertoli , Axel Lauer , Robert Pincus , Julien Savre , Veronika Eyring

The LHC has been designed as a collider of proton and ion beams. However, in its experimental program, which is focused mainly on studies of high energy transfer collisions of Standard Model point-like particles, protons and ions will play…

High Energy Physics - Phenomenology · Physics 2009-01-07 M. W. Krasny , S. Jadach , W. Placzek

Quantum mechanical calculations are performed of the emission and absorption profiles of the lithium 2s-2p resonance line under the influence of a helium perturbing gas. We use carefully constructed potential energy surfaces and transition…

Atomic Physics · Physics 2007-05-23 Cheng Zhu , James F. Babb , Alex Dalgarno

High-energy cosmic rays are observed indirectly by detecting the extensive air showers initiated in Earth's atmosphere. The interpretation of experimental data relies on accurate modeling of the air shower development. Simulations based on…

High Energy Astrophysical Phenomena · Physics 2025-09-23 Lilly Pyras , Dennis Soldin , Felix Riehn

We review a subset of experimental results from the heavy-ion collisions at the Large Hadron Collider (LHC) facility at CERN. Excellent consistency is observed across all the experiments at the LHC (at center of mass energy of 2.76 TeV) for…

Nuclear Experiment · Physics 2013-12-25 Ranbir Singh , Lokesh Kumar , Pawan Kumar Netrakanti , Bedangadas Mohanty

Petabytes of data are to be processed and stored requiring millions of CPU-years in high energy particle (HEP) physics event simulation. This enormous demand is handled in worldwide distributed computing centers as part of the LHC computing…

Instrumentation and Detectors · Physics 2017-04-26 T. Harenberg , N. Lang , P. Mättig , M. Sandhoff , F. Volkmer , T. Kuhl , C. Schwanenberger

Liquid has a significant effect on the flow of wet granular assemblies. We explore the effects of liquid induced cohesion on the flow characteristics of wet granular materials. We propose a cohesion-scaling approach that enables invariant…

Fluid Dynamics · Physics 2019-02-04 Ahmed Jarray , Vanessa Magnanimo , Stefan Luding

High energy physics (HEP) experiments at the LHC generate data at a rate of $\mathcal{O}(10)$ Terabits per second. This data rate is expected to exponentially increase as experiments will be upgraded in the future to achieve higher…

High Energy Physics - Phenomenology · Physics 2022-10-25 Dhananjay Saikumar

A novel 3-electrode cell type is introduced to run parametrical studies of H$_2$ evolution in an alkaline electrolyte on porous electrodes. Electrochemical methods combined with a high-speed optical measurement system are applied…

Suppression measurements for charged hadrons are used to investigate the path length (L) and transverse momentum (p_T) dependent jet quenching patterns of the hot and dense QCD medium produced in Pb+Pb collisions at Root_s =2.76 TeV at the…

Nuclear Experiment · Physics 2012-02-27 Roy A. Lacey , N. N. Ajitanand , J. M. Alexander , J. Jia , A. Taranenko

This paper begins with a summary of the status of the Large Hadron Collider at CERN, including the lead-ion injector chain and the plans for the first phases of commissioning and operation with colliding proton beams. In a later phase, the…

Nuclear Experiment · Physics 2011-09-02 John M. Jowett

Effective water management is essential for the optimal performance of PEM fuel cells. We have developed an impedance model for liquid water transport through the membrane and coupled it with the two-phase model for cathode side impedance.…

Chemical Physics · Physics 2026-01-16 Andrei Kulikovsky , Tatyana Reshetenko

We employ a novel fluid-particle model to study the shearing behavior of granular soils under different saturation levels, ranging from the dry material via the capillary bridge regime to higher saturation levels with percolating clusters.…

Soft Condensed Matter · Physics 2016-06-17 Konstantin Melnikov , Falk K. Wittel , Hans J. Herrmann

Harmonics of the mains frequency (50 Hz) have been systematically observed in the transverse beam spectrum of the Large Hadron Collider (LHC) since the start of its operation in the form of dipolar excitations. In the presence of strong…

Accelerator Physics · Physics 2021-03-17 Sofia Kostoglou , Gianluigi Arduini , Leandro Intelisano , Yannis Papaphilippou , Guido Sterbini

We introduce a Local Background Environment (LBE) estimator that can be measured in and around every galaxy or its dark matter subhalo in high-resolution cosmological simulations. The LBE is designed to capture the influence of…

Astrophysics of Galaxies · Physics 2019-06-26 Mohammadreza Ayromlou , Dylan Nelson , Robert M. Yates , Guinevere Kauffmann , Simon D. M. White

Large angular scale surveys in the absence of atmosphere are essential for measuring the primordial $B$-mode power spectrum of the Cosmic Microwave Background (CMB). Since this proposed measurement is about three to four orders of magnitude…

Instrumentation and Methods for Astrophysics · Physics 2025-03-05 Y. Takase , L. Vacher , H. Ishino , G. Patanchon , L. Montier , S. L. Stever , K. Ishizaka , Y. Nagano , W. Wang , J. Aumont , K. Aizawa , A. Anand , C. Baccigalupi , M. Ballardini , A. J. Banday , R. B. Barreiro , N. Bartolo , S. Basak , M. Bersanelli , M. Bortolami , T. Brinckmann , E. Calabrese , P. Campeti , E. Carinos , A. Carones , F. J. Casas , K. Cheung , L. Clermont , F. Columbro , A. Coppolecchia , F. Cuttaia , P. de Bernardis , T. de Haan , E. de la Hoz , S. Della Torre , P. Diego-Palazuelos , G. D'Alessandro , H. K. Eriksen , J. Errard , F. Finelli , U. Fuskeland , G. Galloni , M. Galloway , M. Gervasi , T. Ghigna , S. Giardiello , C. Gimeno-Amo , E. Gjerløw , R. González González , A. Gruppuso , M. Hazumi , S. Henrot-Versillé , L. T. Hergt , K. Ikuma , K. Kohri , L. Lamagna , M. Lattanzi , C. Leloup , M. Lembo , F. Levrier , A. I. Lonappan , M. López-Caniego , G. Luzzi , B. Maffei , E. Martínez-González , S. Masi , S. Matarrese , F. T. Matsuda , T. Matsumura , S. Micheli , M. Migliaccio , M. Monelli , G. Morgante , B. Mot , R. Nagata , T. Namikawa , A. Novelli , K. Odagiri , S. Oguri , R. Omae , L. Pagano , D. Paoletti , F. Piacentini , M. Pinchera , G. Polenta , L. Porcelli , N. Raffuzzi , M. Remazeilles , A. Ritacco , M. Ruiz-Granda , Y. Sakurai , D. Scott , Y. Sekimoto , M. Shiraishi , G. Signorelli , R. M. Sullivan , H. Takakura , L. Terenzi , M. Tomasi , M. Tristram , B. van Tent , P. Vielva , I. K. Wehus , B. Westbrook , G. Weymann-Despres , E. J. Wollack , M. Zannoni , Y. Zhou