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A novel experiment has been commissioned at the Weizmann Institute of Science for the study of weak interactions via a high-precision measurement of the beta-neutrino angular correlation in the radioactive decay of short-lived $^{6}$He. The…

Nuclear Experiment · Physics 2017-11-23 I. Mukul , M. Hass , O. Heber , T. Y. Hirsh , Y. Mishnayot , M. L. Rappaport , G. Ron , Y. Shachar , S. Vaintraub

Antiprotons are produced at CERN by colliding a 26 GeV/c proton beam with a fixed target made of a 3 mm diameter, 55 mm length iridium core. The inherent characteristics of antiproton production involve extremely high energy depositions…

Instrumentation and Detectors · Physics 2018-08-22 Claudio Torregrosa Martin , Antonio Perillo-Marcone , Marco Calviani , José-Luis Muñoz-Cobo

We propose a laser-based method for the preparation of high-energy polarized electrons, from the ionization of isolated spin-polarized hydrogen (SPH) atoms. The SPH atoms are prepared from the photodissociation of HCl, using two consecutive…

Electron density diagnostics based on a line intensity ratio of Si X are applied to the X-ray spectra of Procyon, $\alpha$ Cen A$&$B, Capella and $\epsilon$ Eri measured with the Low Energy Transmission Grating Spectrometer (LETGS) combined…

Astrophysics · Physics 2008-11-26 G. Y. Liang , G. Zhao , J. R. Shi

The European Spallation Source (ESS), presently under construction in Lund, Sweden, is a multidisciplinary international laboratory that will operate the world's most powerful pulsed neutron source. Supported by a 3M Euro Research and…

A gaseous beam monitor utilizing gas electron multiplier (GEM) and pixel sensors is being developed for the Cooling Storage Ring (CSR) External-target Experiment (CEE) at Heavy Ion Research Facility in Lanzhou (HIRFL). The beam monitor is…

We show that multiply ionized coronal C, N, O, Mg, Si, S ions carried by the solar wind and neutralized by consecutive electron captures from neutral interstellar atoms constitute an important new source of neutral atoms in the inner…

Astrophysics · Physics 2009-11-11 S. Grzedzielski , M. Wachowicz , M. Bzowski , V. Izmodenov

The six species heavy ion beam was accumulated with the help of electron cooling in the main ring of Cooler Storage Ring of Heavy Ion Research Facility in Lanzhou(HIRFL-CSR), the ion beam accumulation dependence on the parameters of cooler…

Accelerator Physics · Physics 2011-10-17 Yang Xiaodong

We present a novel electron injection scheme for plasma wakefield acceleration. The method is based on recently proposed technique of fast electron generation via laser-solid interaction: a femtosecond laser pulse with the energy of tens of…

Plasma Physics · Physics 2022-03-14 V. Khudiakov , A. Pukhov

This thesis is about the designing and constructing a microwave ion source. The ions are generated in a thermal and dense hydrogen plasma by microwave induction. The plasma is generated by using a microwave source with a frequency of 2.45…

Plasma Physics · Physics 2015-03-19 Kamil Çınar

The Horizon 2020 Project EuPRAXIA (European Plasma Research Accelerator with eXcellence In Applications) is preparing a conceptual design for a highly compact and cost-effective European facility with multi-GeV electron beams using plasma…

Scanning Electron Microscopes (SEM) with low energy electron sources (accelerating voltage of less than 1000V) have important application requirements in many application scenarios. Tunneling junction can potentially achieve low-voltage and…

Applied Physics · Physics 2024-06-25 Zhexuan Wang , Fang Liu , Kaiyu Cui , Xue Feng , Wei Zhang , Yidong Huang

In order to dissipate long-lived radioactive waste, not only high ux proton accelerator but also electron linac have been proposed. A proton accelerator directly induces nuclear fission and mutation. On the other hand, electron beam has two…

Accelerator Physics · Physics 2021-04-20 Y. Kawashima , T. Asaka , H. Ego , M. Hara

The paper reports on a new plasma startup scenario in the Gas Dynamic Trap (GDT) magnetic mirror device. The primary 5 MW neutral beam injection (NBI) plasma heating system fires into a sufficiently dense plasma target ("seed plasma"),…

The three-dimensional NAM-ECRIS model is applied for studying the metal ion production in the DECRIS-PM Electron Cyclotron Resonance Ion Source. Experimentally measured extracted ion currents are accurately reproduced with the model.…

Accelerator Physics · Physics 2021-06-30 V. Mironov , S. Bogomolov , A. Bondarchenko , A. Efremov , K. Kuzmenkov , V. Loginov , D. Pugachev

We describe the Compact Accelerator-based Neutron Source SONATE which we are aiming for to replace the close Orph{\'e}e reactor at Saclay, France. The SONATE source would serve an instrumental suite of about 10 instruments. The instruments…

Accelerator Physics · Physics 2020-04-22 Frédéric Ott , Alain Menelle , Christiane Alba-Simionesco

A new scheme for injection and acceleration of electrons in wakefield accelerators is suggested based on the co-action of a laser pulse and an electron beam. This synergy leads to stronger wakefield generation and higher energy gain in the…

Plasma Physics · Physics 2020-07-03 S. Barzegar , A. R. Niknam

The Search for Hidden Particles (SHiP) Collaboration has shown that the CERN SPS accelerator with its 400 $\mathrm{\small GeV/c}$ proton beam offers a unique opportunity to explore the Hidden Sector. The proposed experiment is an intensity…

Instrumentation and Detectors · Physics 2019-05-01 SHiP Collaboration

This study explores the transitional characteristics of blue-core helicon discharge, which to our knowledge was not particularly focused on before. Parameters are measured on recently built advanced linear plasma device, i.e. Multiple…

This dissertation explores the interaction between high-intensity lasers and plasmas to accelerate electrons and produce radiation via experimental and computational efforts. The laser pulses used in this dissertation have ultrashort…

Plasma Physics · Physics 2022-10-19 Jinpu Lin