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A scheme for fast, compact, and controllable acceleration of heavy particles in vacuum has been recently proposed [F. Peano et al., New J. Phys. 10 033028 (2008)], wherein two counterpropagating laser beams with variable frequencies drive a…

Plasma Physics · Physics 2009-05-29 F. Peano , J. Vieira , R. Mulas , G. Coppa , R. Bingham , L. O. Silva

After the recent success of acceleration molecular H$_2^+$ beam (from EBIS) in Booster to 1.0 GeV/u kinetic energy, we propose to carry out tests to accelerate H$_2^+$ beam in AGS (up to 12 GeV/u) and to RHIC (up to 100 GeV/u). In this…

Accelerator Physics · Physics 2026-01-27 Xiaodong Jiang

The ion-hose (or fast-ion) instability sets limits on the allowable vacuum in a long-pulse, high current accelerator. Beam-induced ionization of the background gas leads to the formation of an ion channel which couples to the transverse…

Accelerator Physics · Physics 2007-05-23 George J. Caporaso , Jim. F. McCarrick

The realization of a plasma based user facility on the model of EuPRAXIA@SPARC\_LAB requires to design a working point for the operation that allows to get an high accelerating gradient preserving a low emittance and low energy spread of…

An efficient method to describe the nonlinear evolution of Stimulated Brillouin Scattering in long scale-length plasmas is presented. The method is based on a decomposition of the hydrodynamics variables in long- and short-wavelength…

Plasma Physics · Physics 2007-05-23 Stefan Huller , Andrei Maximov , Denis Pesme

A future plasma based linear collider has the potential to reach unprecedented energies and transform our understanding of high energy physics. The extremely dense beams in such a device would cause the plasma ions to fall toward the axis.…

Accelerator Physics · Physics 2021-07-02 C. Hansel , M. Yadav , P. Manwani , W. An , W. Mori , J. Rosenzweig

The robustness of a structured collimation device is discussed for an intense-laser-produced ion beam. In this paper the ion beam collimation is realized by the solid structured collimation device, which produces the transverse electric…

Plasma Physics · Physics 2015-03-19 S. Kawata , M. Takano , D. Kamiyama , T. Nagashima , D. Barada , Y. J. Gu , X. Li , Q. Yu , Q. Kong , P. X. Wang

The Strontium Iodide Radiation Instrument (SIRI) is a single detector, gamma-ray spectrometer designed to space-qualify the new scintillation detector material europium-doped strontium iodide (SrI2:Eu) and new silicon photomultiplier (SiPM)…

Instrumentation and Methods for Astrophysics · Physics 2019-07-29 Lee J. Mitchell , Bernard F. Phlips , J. Eric Grove , Theodore Finne , Mary Johnson-Rambert , W. Neil Johnson

Propagation of charged particle beams in background plasma as a method of space charge neutralization has been shown to achieve a high degree of charge and current neutralization and therefore enables nearly ballistic propagation and…

Two-body gravitational interactions will occasionally lead to a stellar-mass compact object entering a very highly eccentric orbit around a massive black hole at the center of a galaxy. Gravitational radiation damping will subsequently…

General Relativity and Quantum Cosmology · Physics 2026-03-06 Daniel J Oliver , Aaron D Johnson , Lena Janssen , Joel Berrier , Kostas Glampedakis , Daniel Kennefick

For future surveys, spectroscopic follow-up for all supernovae will be extremely difficult. However, one can use light curve fitters, to obtain the probability that an object is a Type Ia. One may consider applying a probability cut to the…

Cosmology and Nongalactic Astrophysics · Physics 2014-10-24 Michelle Lochner , Bruce A. Bassett , Melvin Varughese , Renée Hlozek , Martin Kunz , Mat Smith , James Newling

Radiation Pressure Acceleration relies on high intensity laser pulse interacting with solid target to obtain high maximum energy, quasimonoenergetic ion beams. Either extremely high power laser pulses or tight focusing of laser radiation is…

The project to upgrade the CEBAF accelerator at Jefferson Lab to 12 GeV is presented. Most of the research program supporting that upgrade, will require a highly polarized beam, as will be illustrated by a few selected examples. To carry…

Nuclear Experiment · Physics 2014-11-18 Kees de Jager

The SPIDER experiment, part of the Neutral Beam Test Facility (NBTF) at Consorzio RFX (Padua, Italy), is the prototype of the negative ion source for the ITER neutral beam injectors; the source is coupled to a 100 kV three-grid acceleration…

Plasma Physics · Physics 2023-04-07 M. Barbisan , B. Zaniol , R. Pasqualotto , G. Serianni , M. Ugoletti

V921 Scorpii is a close binary system (separation 0.025") showing the B[e]-phenomenon. The system is surrounded by an enigmatic bipolar nebula, which might have been shaped by episodic mass-loss events, possibly triggered by dynamical…

Solar and Stellar Astrophysics · Physics 2015-06-04 Stefan Kraus , Nuria Calvet , Lee Hartmann , Karl-Heinz Hofmann , Alexander Kreplin , John D. Monnier , Gerd Weigelt

This review aims at providing an up-to-date status and a general introduction to the subject of the numerical study of energetic particle acceleration and transport in turbulent astrophysical flows. The subject is also complemented by a…

High Energy Astrophysical Phenomena · Physics 2020-02-26 A. Marcowith , G. Ferrand , M. Grech , Z. Meliani , I. Plotnikov , R. Walder

We propose a scheme to overcome the great challenge of polarization loss in spin-polarized ion acceleration. When a petawatt laser pulse penetrates through a compound plasma target consisting of a double layer slab and prepolarized hydrogen…

Plasma Physics · Physics 2020-11-24 Zheng Gong , Yinren Shou , Yuhui Tang , Xueqing Yan

The MEGAPIE project is a key experiment on the road to Accelerator Driven Systems and it provides the scientific community with unique data on the behavior of a liquid lead-bismuth spallation target under realistic and long term irradiation…

Focused ion beams are indispensable tools in the semiconductor industry because of their ability to image and modify structures at the nanometer length scale. Here we report on performance predictions of a new type of focused ion beam based…

Accelerator Physics · Physics 2015-01-27 G. ten Haaf , S. H. W. Wouters , S. B. van der Geer , E. J. D. Vredenbregt , P. H. A. Mutsaers
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