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In this paper a study on a fusion reactor core is presented in heavy ion inertial fusion (HIF), including the heavy ion beam (HIB) transport in a fusion reactor, a HIB interaction with a background gas, reactor cavity gas dynamics, the…

Plasma Physics · Physics 2017-05-24 S. Kondo , T. Karino , T. Iinuma , K. Kubo , H. Kato , S. Kawata , A. I. Ogoyski

Recent results at the Large Hadron Collider (LHC) have pointed to enhanced physics capabilities through the improvement of the real-time event processing techniques. Machine learning methods are ubiquitous and have proven to be very…

In this chapter we explore a few examples of physics opportunities using the existing chain of accelerators at CERN, including potential upgrades. In this context the LHC ring is also considered as a part of the injector system. The…

Gas targets are often used at accelerator facilities. A design of high-pressure gas cells that are suitable for hydrogen and helium isotopes at relatively high electron beam currents is presented. In particular, we consider rare gas…

Instrumentation and Detectors · Physics 2013-08-28 B. Brajuskovic , T. O'Connor , R. J. Holt , J. Reneker , D. Meekin , P. Solvignon

While the underlying physics of the ICF approach to nuclear fusion is well understood and a technological implementation of the indirect drive variant of the ICF paradigm has recently been given at NIF commercially viable ICF concepts for…

Plasma Physics · Physics 2023-07-04 Hartmut Ruhl , Georg Korn

Novel considerations are presented on the physics, apparatus and accelerator designs for a future, luminous, energy frontier electron-hadron ($eh$) scattering experiment at the LHC in the thirties for which key physics topics and their…

High Performance Computing (HPC) platforms allow scientists to model computationally intensive algorithms. HPC clusters increasingly use General-Purpose Graphics Processing Units (GPGPUs) as accelerators; FPGAs provide an attractive…

Hardware Architecture · Computer Science 2015-04-20 Syed Waqar Nabi , Saji N. Hameed , Wim Vanderbauwhede

Muon collider is a considerable candidate of the next-generation high-energy lepton collider machine. Operating an RF cavity in a multi-Tesla magnet is a critical requirement in a muon accelerator and a cooling channel. However, the maximum…

Accelerator Physics · Physics 2015-02-10 Katsuya Yonehara

FHE offers protection to private data on third-party cloud servers by allowing computations on the data in encrypted form. However, to support general-purpose encrypted computations, all existing FHE schemes require an expensive operation…

Cryptography and Security · Computer Science 2022-07-26 Rashmi Agrawal , Leo de Castro , Guowei Yang , Chiraag Juvekar , Rabia Yazicigil , Anantha Chandrakasan , Vinod Vaikuntanathan , Ajay Joshi

The FNAL accelerator complex is poised to reach MW neutrino beams on target for the exploration of the dark sector physics and rare physics program spaces. Future operations of the complex will include CW linac operations at beam…

A scheme of wake field generation for positron acceleration using hollow or donut shaped electron driver beams is studied. An annular shaped, electron free region forms around a hollow driver beam creating a favorable region (longitudinal…

Plasma Physics · Physics 2015-11-11 Neeraj Jain , T. M. Antonsen , J. P. Palastro

For the CLIC two-beam scheme, a high-current, long-pulse drive beam is required for RF power generation. Taking advantage of the 3 GHz klystrons available at the LEP injector once LEP stops, a 180 MeV electron accelerator is being…

Accelerator Physics · Physics 2007-05-23 G. Carron , E. Jensen , M. Luong , A. Millich , E. Rugo , I. Syratchev , L. Thorndahl

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

Laser-driven ion accelerators have the advantages of compact size, high density, and short bunch duration over conventional accelerators. Nevertheless, it is still challenging to simultaneously enhance the yield and quality of laser-driven…

Plasma Physics · Physics 2016-11-22 S. M. Weng , M. Liu , Z. M. Sheng , M. Murakami , M. Chen , L. L. Yu , J. Zhang

Superconducting radio-frequency cavities are commonly used in modern particle accelerators for applied and fundamental research. Such cavities are typically made of high-purity, bulk Nb and are cooled by a liquid helium bath at a…

Instrumentation and Detectors · Physics 2020-06-24 G. Ciovati , G. Cheng , U. Pudasaini , R. Rimmer

We investigate by particle-in-cell simulations in two and three dimensions the laser-plasma interaction and the proton acceleration in multilayer targets where a low density "near-critical" layer of a few micron thickness is added on the…

Plasma Physics · Physics 2015-06-03 Andrea Sgattoni , Pasquale Londrillo , Andrea Macchi , Matteo Passoni

A large share of today's HPC workloads is used for Ab-Initio Molecular Dynamics (AIMD) simulations, where the interatomic forces are computed on-the-fly by means of accurate electronic structure calculations. They are computationally…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-16 Arjun Ramaswami , Tobias Kenter , Thomas D. Kühne , Christian Plessl

The initiation of a novel neutrino physics program at the Large Hadron Collider (LHC) and the purpose-built Forward Physics Facility (FPF) proposal have motivated studies exploring the discovery potential of these searches. This requires…

High Energy Physics - Phenomenology · Physics 2023-11-16 Felix Kling , Toni Mäkelä , Sebastian Trojanowski

An analytic description of high harmonic generation (HHG) in solids induced by intense low-frequency pulses is presented within an adiabatic approach, which treats laser-matter interactions nonperturbatively. We derive the analytical…

Optics · Physics 2026-01-01 A. V. Flegel , Liang-Wen Pi , M. V. Frolov

Intense Highly Charged Ion Beams (HCIB) from injector and charge-breeder ion sources at heavy ion accelerator facilities are in demand to expand research in particle and nuclear physics as well as for radiation effects testing. With current…

Accelerator Physics · Physics 2022-05-26 Alain Lapierre , Janilee Benitez , Masahiro Okamura , Damon Todd , Daniel Xie , Yine Sun