CERN Accelerating science

CERN Document Server Намерени са 6 записа  Търсенето отне 0.79 секунди. 
1.
Space-Charge Transport Limits in Periodic Channels / Lund, Steven M ; Chawla, Sugreev
It has been observed in both experiment and particle in cell simulations that space-charge-dominated beams suffer strong emittance growth in alternating gradient quadrupole transport channels when the undepressed phase advance σ0 increases beyond about 80 degrees per lattice period. Transport systems have long been designed to respect this phase advance limit but no theory has been proposed to date to explain the the cause of the limit. [...]
2005 External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.2348
2.
Beam Energy Scaling of Ion-Induced Electron Yield from K+ Ions Impact on Stainless Steel Surfaces / Kireeff-Covo, Michel ; Baca, David ; Barnard, John J ; Bieniosek, Frank ; Celata, C M ; Cohen, Ronald ; Friedman, Alex ; Grote, D P ; Kwan, Joe W ; Lund, Steven M et al.
The cost of accelerators for heavy-ion inertial fusion energy (HIF) can be reduced by using the smallest possible clearance between the beam and the wall from the beamline. This increases beam loss to the walls, generating ion-induced electrons that could be trapped by beam space charge potential into an "electron cloud," which can cause degradation or loss of the ion beam [...]
2005 External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.2287
3.
Electron and Gas Effects on Intense, Space-Charge Dominated Ion Beams in Magnetic Quadrupoles : Comparison of Experiments and Simulations / Seidl, Peter ; Baca, David ; Bieniosek, Frank ; Cohen, Ronald ; Covo, Michel K ; Friedman, Alex ; Grote, D P ; Lund, Steven M ; Molvik, Arthur ; Vay, Jean-Luc
Accelerators for inertial fusion energy, high-energy density physics and other high intensity applications have an economic incentive to minimize the clearance between the beam edge and the aperture wall. This increases the risk from electron clouds and gas desorbed from walls [...]
2005
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.e-proc. FPAP015
4.
Experiments Studying Desorbed Gas and Electron Clouds in Ion Accelerators / Molvik, Arthur ; Baca, David ; Barnard, John J ; Bieniosek, Frank ; Celata, C M ; Cohen, Ronald ; Covo, Michel K ; Friedman, Alex ; Lund, Steven M ; Seidl, Peter et al.
Electron clouds and gas pressure rise limit the performance of many major accelerator rings. We are studying these issues experimentally with ~1 MeV heavy-ion beams, coordinated with significant efforts in self-consistent simulation and theory.* The experiments use multiple diagnostics, within and between quadrupole magnets, to measure the sources and accumulation of electrons and gas. [...]
2005 External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.194
5.
Theory of Longitudinal Beam Halo in RF Linacs : II. Envelope-Particle Resonances / Lund, Steven M ; Barnard, John J
1998 External link: Published version from JACoW
In : 17th Particle Accelerator Conference, pp.1932
6.
Theory of Longitudinal Beam Halo in RF Linacs : I. Core/Test-Particle Formulation / Barnard, John J ; Lund, Steven M
1998 External link: Published version from JACoW
In : 17th Particle Accelerator Conference, pp.1929

Виж също: автори с подобни имена
3 LUND, Sweden
3 Lund, S
1 Lund, S B N
29 Lund, S M
1 Lund, S.
1 Lund, Steven
3 Lund, Sweden
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