Beam Coupling Impedances of Obstacles Protruding into Beam PipeThe beam coupling impedances of small obstacles protruding inside the vacuum chamber of an accelerator are calculated analytically at frequencies for which the wavelength is large compared to a…Sergey S. Kurennoy·Sep 23, 1996SaveLearn
Coupling Impedances of Azimuthally Symmetric Obstacles of Semi-Elliptical Shape in a Beam PipeThe beam coupling impedances of small axisymmetric obstacles having a semi-elliptical cross section along the beam in the vacuum chamber of an accelerator are calculated at frequencies for which the…Robert L. Gluckstern, Sergey S. Kurennoy·Sep 23, 1996SaveLearn
A High Current Proton Linac with 352 MHz SC CavitiesA proposal for a 10-120 mA proton linac employing superconducting beta-graded, CERN type, four cell cavities at 352 MHz is presented. The high energy part (100 MeV-1 GeV) of the machine is split in…C. Pagani, G. Bellomo, P. Pierini·Sep 14, 1996SaveLearn
Selfacceleration of Electrons in One-dimensional Bunches, Moving in Cold PlasmaNonlinear dynamics of the one-dimensional ultrarelativistic bunch of electrons,moving in cold plasma,is considered in multiple scales perturbative approach. A square root of the inverse Lorentz…A. Amatuni·Sep 10, 1996SaveLearn
Polarization in a Muon ColliderIn this paper the possibility of obtaining polarized beams in a high energy muon collider is discusssedD. Cline, B. Norum, R. Rossmanith·Sep 9, 1996SaveLearn
Calculation of the dynamic aperture in the ANKA storage ring with a high-field wavelength shifterThird order tracking calculations show that a wavelength shifter on the basis of a commercially available 12 T split-pair solenoid is compatible with the ANKA storage ringU. Bandow, D. Einfeld, T. Hezel et al.·Sep 5, 1996SaveLearn
A Scintillating Fiber Hodoscope for a Bremstrahlung Luminosity Monitor at an Electron-Positron ColliderThe performance of a scintillating fiber (2mm diameter) position sensitive detector (4.8 × 4.8 cm2 active area) for the single bremstrahlung luminosity monitor at the VEPP-2M…D. H. Brown, D. H. Orlov, G. S. Varner et al.·Jul 15, 1996SaveLearn
Impedances and Power Losses for an Off-Axis BeamA method for calculating coupling impedances and power losses for off-axis beams is developed. It is applied to calculate impedances of small localized discontinuities like holes and slots, as well…Sergey S. Kurennoy·Jul 11, 1996SaveLearn
An Investigation of Stochastic Cooling in the Framework of Control TheoryThis report provides a description of unbunched beam stochastic cooling in the framework of control theory. The main interest in the investigation is concentrated on the beam stability in an active…O. Meincke·Jul 9, 1996SaveLearn
Orbit Dynamics for Unstable Linear MotionA treatment is given of the orbit dynamics for linear unstable motion that allows for the zeros in the beta function and makes no assumptions about the realness of the betatron and phase functions.…G. Parzen·May 30, 1996SaveLearn
A tracking algorithm for the stable spin polarization field in storage rings using stroboscopic averagingPolarized protons have never been accelerated to more than about 25GeV. To achieve polarized proton beams in RHIC (250GeV), HERA (820GeV), and the TEVATRON (900GeV), ideas and techniques new to…K. Heinemann, G. H. Hoffstatter·May 17, 1996SaveLearn
Approximate Analytical Description of the Underdense Short Plasma LensThe perturbative approach for describing the underdense plasma--ultrarelativistic electron bunch system is developed, using the ratio n0nb as a small parameter…A. Amatuni·Apr 17, 1996SaveLearn
Design of the Muon Collider Lattice: Present StatusWe discuss a preliminary design for a high luminosity 4 TeV center of mass μ+\,μ- collider ring.A. Garren, E. Courant, J. Gallardo et al.·Apr 15, 1996SaveLearn
Polarized Beams in a Muon ColliderThis paper presents a first overview on how to obtain and maintain polarized beams in a muon-colliderB. Norum, R. Rossmanith·Apr 11, 1996SaveLearn
Muon Collider DesignMuon Colliders have unique technical and physics advantages and disadvantages when compared with both hadron and electron machines. They should thus be regarded as complementary. Parameters are given…R. Palmer, A. Sessler, A. Skrinsky et al.·Apr 9, 1996SaveLearn
Analytical Solutions in the Two-cavity Coupling ProblemAnalytical solution of precise equations that describe the rf-coupling of two cavities through a co-axial cylindrical hole are given for various limited cases. For their derivation we have used the…M. I. Ayzatsky·Mar 12, 1996SaveLearn
On Two-cavity CouplingThis work presents research results on a novel analytical model of electromagnetic systems coupling through small size holes. The key problem regarding coupling of two cavities through an aperture in…M. I. Ayzatsky·Mar 12, 1996SaveLearn
On the Problem of the Coupled Cavity Chain Characteristic CalculationsThis paper presents the results of studies in elaboration of a mathematical model of the cavity-chain slow wave structures. Considered is the problem of coupling of an infinitely long cylindrical…M. I. Ayzatsky·Mar 12, 1996SaveLearn
Final Focus System for a Muon Collider: A Test ModelThe present scenario for a high luminosity 4 TeV on center of mass muon collider requires a beta function =3 mm at the interaction point. We discuss a test model of a basic layout which satisfies the…Juan C. Gallardo, Robert B. Palmer·Feb 21, 1996SaveLearn
Diffusion due to the Beam-Beam Interaction and Fluctuating Fields in Hadron CollidersRandom fluctuations in the tune, beam offsets and beam size in the presence of the beam-beam interaction are shown to lead to significant particle diffusion and emittance growth in hadron colliders.…Tanaji Sen, James A. Ellison·Feb 15, 1996SaveLearn
Muon CollidersMuon Colliders have unique technical and physics advantages and disadvantages when compared with both hadron and electron machines. They should thus be regarded as complementary. Parameters are given…R. B. Palmer, A. Sessler, A. Skrinsky et al.·Feb 12, 1996SaveLearn
Particle Motion in the Stable Region Near an Edge of a Linear Sum Resonance StopbandThis paper studies the particle motion when the tune is in the stable region close to the edge of linear sum resonance stopband. Results are found for the tune and the beta functions. Results are…G. Parzen·Jan 11, 1996SaveLearn
Particle Motion in the Stable Region Near an Edge of a Linear Half-Integer StopbandThis paper studies the motion of a particle whose tune is inside and near a linear half-integer stopband. Results are found for the tune and beta functions in the stable region close to an edge of…G. Parzen·Dec 7, 1995SaveLearn
Linear Parameters and the Decoupling Matrix for Linearly Coupled Motion in 6 Dimensional Phase SpaceIt will be shown that starting from a coordinate system where the 6 phase space coordinates are linearly coupled, one can go to a new coordinate system where the motion is uncoupled by means of a…G. Parzen·Oct 31, 1995SaveLearn
Construction of Nonlinear Symplectic Six-Dimensional Thin-Lens Maps by ExponentiationThe aim of this paper is to construct six-dimensional symplectic thin-lens transport maps for the tracking program SIXTRACK, continuing an earlier report by using another method which consistes in…K. Heinemann, G. Ripken, F. Schmidt·Oct 30, 1995SaveLearn