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Related papers: Advances in ion back-flow reduction in cascaded ga…

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A cascaded ion acceleration scheme is proposed by use of ultrashort laser-irradiated microtubes. When the electrons of a microtube are blown away by intense laser pulses, strong charge-separation electric fields are formed in the microtube…

Plasma Physics · Physics 2017-10-10 H. C. Wang , S. M. Weng , M. Murakami , Z. M. Sheng , M. Chen , Q. Zhao , J. Zhang

It is known, that at high energies of ions (more than 10 MeV for light ions) the focusing by magnetic quadrupole fields is most effective, whereas at small energies (less than 1 MeV) - the focusing by electrical quadrupole fields. At…

Accelerator Physics · Physics 2009-10-05 B. Yu. Bogdanovich , A. V. Nesterovich

We present results of an experiment showing the first successful demonstration of a cascaded micro-bunching scheme. Two modulator-chicane pre-bunchers arranged in series and a high power mid-IR laser seed are used to modulate a 52 MeV…

This work presents an analysis of the ion outflow from magnetic reconnection throughout fully kinetic simulations with typical laboratory plasmas values. A symmetric initial configuration for the density and magnetic field is considered…

Plasma Physics · Physics 2016-11-23 Emanuele Cazzola , Davide Curreli , Stefano Markidis , Giovanni Lapenta

Benign termination of mega-ampere (MA) level runaway current has been convincingly demonstrated in recent JET and DIII-D experiments, establishing it as a leading candidate for runaway mitigation on ITER. This comes in the form of a runaway…

Plasma Physics · Physics 2022-11-07 Christopher J. McDevitt , Xian-Zhu Tang

A novel concept is proposed for large-volume single-phase noble-liquid TPC detectors for rare events. Both radiation-induced scintillation-light and ionization-charge are detected by Liquid Hole-Multipliers, LHM, immersed in the noble…

Instrumentation and Detectors · Physics 2015-06-15 Amos Breskin

Multi-valent (MV) battery architectures based on pairing a Mg metal anode with a high-voltage ($\sim$ 3 V) intercalation cathode offer a realistic design pathway toward significantly surpassing the energy storage performance of traditional…

Gated wires are widely used in Time Projection Chamber (TPC) to avoid ion back-flow (IBF) in the drift volume. The anode wires can provide stable gain at high voltage with a long lifetime. However, switching on and off the gated grid (GG)…

Instrumentation and Detectors · Physics 2019-07-24 Shuai Wang , Fuwang Shen , Xiao Zhao , Zhihang Zhu , Fangang Kong , Changyu Li , Qinghua Xu , Zhangbu Xu , Chi Yang , Chengguang Zhu

Challenges in scaling up noble-liquid time projection chambers prompted the exploration of new detection concepts. The liquid hole-multiplier (LHM) was introduced as a potential component, enabling the detection of ionization electrons and…

Instrumentation and Detectors · Physics 2024-09-24 G. Martínez-Lema , A. Roy , A. Breskin , L. Arazi

The first operation of GEM gas gain elements in negative ion gas mixtures is reported. Gains up to several thousand were obtained from single-stage GEMs in carbon disulfide vapor at low pressure, and in mixtures of carbon disulfide with…

Instrumentation and Detectors · Physics 2009-11-10 J. Miyamoto , I. Shipsey , C. J. Martoff , M. Katz-Hyman , R. Ayad , G. Bonvicini , A. Schreiner

We systematically investigate the emergence of electron crystal phases in rhombohedral multilayer graphene using comprehensive self-consistent Hartree Fock calculations combined with \textit{ab initio} tight binding model. As the carrier…

Mesoscale and Nanoscale Physics · Physics 2026-04-27 Wangqian Miao , Chu Li

Centrifugal plasma traps, in which plasma is confined partly by centrifugal forces, represent a possible path to fusion energy production. In centrifugal plasma traps, electric fields naturally arise in the direction parallel to the…

Plasma Physics · Physics 2026-03-04 E. J. Kolmes , I. E. Ochs , N. J. Fisch

A two-dimensional flow in a 90 degree bent channel is considered. A magnetic field is uniform and parallel to inlet branch of the channel. A spectral/hp element method was used for liquid motion calculations. Three types of steady flows…

Fluid Dynamics · Physics 2018-08-29 Alexander V. Proskurin , Anatoly M. Sagalakov

The operation principle and preliminary results of a novel gas-avalanche patterned hole electron multiplier, the Thick-COBRA (THCOBRA), are presented. This micro-hole structure is derived from the THGEM and MHSP. Sub-millimeter diameter…

Instrumentation and Detectors · Physics 2014-11-21 F. D. Amaro , C. Santos , J. F. C. A. Veloso , A. Breskin , R. Chechik , J. M. F. dos Santos

The spin Hall effect for polaritons (SHEP) in a transition metal dichalcogenides (TMDC) monolayer embedded in a microcavity is predicted. We demonstrate that two counterpropagating laser beams incident on a TMDC monolayer can deflect a…

Mesoscale and Nanoscale Physics · Physics 2019-03-06 Oleg L. Berman , Roman Ya. Kezerashvili , Yurii E. Lozovik

In given article preliminary results of the research of the electron multiplication in MPGD are presented at a high level of alpha-particles background. This work has expanded borders of understanding of the streamer mode nature. It is seen…

Instrumentation and Detectors · Physics 2010-09-16 V. I. Razin , A. I. Reshetin

We use multi-spacecraft Magnetospheric Multiscale (MMS) observations to investigate electric fields and ion reflection at a non-stationary collisionless perpendicular plasma shock. We identify sub-proton scale (5-10 electron inertial…

Space Physics · Physics 2024-11-20 Yuri V. Khotyaintsev , Daniel B. Graham , Andreas Johlander

In recent years, pi-conjugated polymers are attracting considerable interest in view of their light-dependent torsional reorganization around the pi-conjugated backbone, which determines peculiar light-emitting properties. Motivated by the…

Chemical Physics · Physics 2021-05-19 Mariagrazia Fortino , Concetta Cozza , Massimiliano Bonomi , Adriana Pietropaolo

The encapsulation and co-encapsulation of particles in microfluidic flows is essential in applications related to single-cell analysis and material synthesis. However, the whole encapsulation process is stochastic in nature, and its…

Fluid Dynamics · Physics 2022-06-20 Keshvad Shahrivar , Francesco Del Giudice

First imaging results in liquid xenon of a Liquid Hole Multiplier (LHM) coupled to a Quad-Silicon Photomultiplier (SiPM) array are presented. Ionization electrons deposited in the noble liquid by 5.5 MeV alpha particles, are collected into…

Instrumentation and Detectors · Physics 2019-02-20 E. Erdal , A. Tesi , D. Vartsky , S. Bressler , L. Arazi , A. Breskin