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Related papers: Beam stripping interactions in compact cyclotrons

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A new approach to the development of extraction systems capable of forming ion beams with previously inaccessible intensity is proposed. The use of inhomogeneous accelerating field allows to improve the ion beam formation efficiency…

Plasma Physics · Physics 2020-12-30 S. S. Vybin , I. V. Izotov. V. A. Skalyga

Existing analytical models for transverse beam dynamics in isochronous cyclotrons are often not valid or not precise for relativistic energies. The main difficulty in developing such models lies in the fact that cross-terms between…

Accelerator Physics · Physics 2023-03-22 Wiel Kleeven

Stripping extraction of hydrogen molecular ions has gained interest in the cyclotron industry due to its high extraction efficiency. However, the magnetic field could result in undesired Lorentz dissociation of the hydrogen anion/molecular…

Accelerator Physics · Physics 2023-03-22 Hui Wen Koay

Electron wavefunctions in twisted bilayer graphene may have a strong single layer character or be intrinsically delocalized between layers, with their nature often determined by how energetically close they are to the Dirac point. In this…

Mesoscale and Nanoscale Physics · Physics 2014-10-06 Chi-Ken Lu , H. A. Fertig

We present a combined theoretical and experimental study of primary and post-collision mechanisms involved when colliding low energy multiply charged ions with van der Waals dimers. The collision dynamics is investigated using a classical…

Atomic and Molecular Clusters · Physics 2018-07-11 W. Iskandar , X. Fléchard , J. Matsumoto , A. Leredde , S. Guillous , D. Hennecart , J. Rangama , A. Méry , B. Gervais , H. Shiromaru , A. Cassimi

The effects of intrinsic spin-orbit and Coulomb interactions on low-energy properties of finite width graphene armchair ribbons are studied by means of a Dirac Hamiltonian. It is shown that metallic states subsist in the presence of…

Strongly Correlated Electrons · Physics 2012-02-01 Mahdi Zarea , Nancy Sandler

The PIP2IT accelerator was assembled in multiple stages in 2014 - 2021 to test concepts and components of the future PIP-II linac that is being constructed at Fermilab. In its final configuration, PIP2IT accelerated a 0.55 ms x 20 Hz x 2 mA…

Accelerator Physics · Physics 2022-09-08 A. Shemyakin

We present a new way to make Ising machines, i.e., using networks of coupled self-sustaining nonlinear oscillators. Our scheme is theoretically rooted in a novel result that establishes that the phase dynamics of coupled oscillator systems,…

Emerging Technologies · Computer Science 2019-03-19 Tianshi Wang , Jaijeet Roychowdhury

Optical fields with orbital angular momentum (OAM) interact with medium have many remarkable properties with its unique azimuthal phase, showing many potential applications in high capacity information processing, high precision measurement…

The beam-beam interaction is one of the dominant sources of emittance growth and luminosity lifetime deterioration. A current carrying wire has been proposed to compensate long-range beam-beam effects in the LHC and strong localized…

Accelerator Physics · Physics 2011-04-12 Hyung J. Kim , Tanaji Sen , Natalia P. Abreu , Wolfram Fischer

For many quantum information implementations with trapped ions, effective shuttling operations are important. Here we discuss the efficient separation and recombination of ions in surface ion trap geometries. The maximum speed of separation…

Quantum Physics · Physics 2012-04-02 Altaf H. Nizamani , Winfried K. Hensinger

In spinor Bose-Einstein condensates, spin-changing collisions are a remarkable proxy to coherently realize macroscopic many-body quantum states. These processes have been, e.g., exploited to generate entanglement, to study dynamical quantum…

Quantum Gases · Physics 2021-09-29 Josep Cabedo , Joan Claramunt , Alessio Celi

Recent decades have witnessed the breakthroughs in utilizing electron beams as the smallest tools to tailor materials. Whereas, the manipulation of atoms in a controllable manner by the electron beams is a long-time challenge due to the…

Materials Science · Physics 2019-04-30 H. Zhang , T. Hu , W. Sun , M. M. Hu , R. F. Cheng , X. H. Wang

In conventional colocated multiple-input multiple-output (MIMO) radars, practical waveform constraints including peak-to-average power ratio, constant or bounded modulus lead to a significant performance reduction of transmit beampattern,…

Signal Processing · Electrical Eng. & Systems 2024-10-08 Shengyao Chen , Minghui He , Longyao Ran , Hongtao Li , Feng Xi , Sirui Tian , Zhong Liu

Efficient production of short-lived radioactive isotopes in inverse reaction kinematics is an important technique for various applications. It is particularly interesting when the isotope of interest is only a few nucleons away from a…

This handook is intended as a resource for scientists who use Ion Beam Analysis (IBA), to help them understand and minimise beam damage induced during the analysis. The basic physics of ion-matter interactions, from the perspectve of damage…

Materials Science · Physics 2013-03-14 D. Benzeggouta , I. Vickridge

We theoretically study dynamical excitonic condensates occurring in bilayers with an imposed chemical potential difference and in photodoped semiconductors. We show that optical spectroscopy can experimentally identify phase-trapped and…

Strongly Correlated Electrons · Physics 2024-10-30 Alexander Osterkorn , Yuta Murakami , Tatsuya Kaneko , Zhiyuan Sun , Andrew J. Millis , Denis Golež

Future linear colliders plan to collide polarised beams and the planned physics reach requires knowledge of the state of polarisation as precisely as possible. The polarised beams can undergo depolarisation due to various mechanisms. In…

Accelerator Physics · Physics 2017-08-23 I. Bailey , C. Bartels , M. Beckmann , A. Hartin , C. Helebrant , D. Kaefer , J. List , G. Moortgat-Pick

A number of recent developments have led to simulations of an inverse cyclotron for cooling intense muon beams for neutrino factories and muon colliders. Such a device could potentially act as a novel beam cooling mechanism for muons, and…

Accelerator Physics · Physics 2010-12-06 Kevin Paul , Estelle Cormier-Michel , Terrence Hart , Donald Summers

Some isospin dynamics results in heavy ion collisions from low to relativistic energies obtained through transport approaches, largely inspired by David M.Brink, are reviewed. At very low energies, just above the Coulomb barrier, the…

Nuclear Theory · Physics 2007-05-23 M. Di Toro
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