Radiation Damping and Quantum Excitation for Longitudinal Charged Particle Dynamics in the Thermal Wave ModelOn the basis of the recently proposed Thermal Wave Model (TWM) for particle beams, we give a description of the longitudinal charge particle dynamics in circular accelerating machines by taking…R. Fedele, G. Miele, L. Palumbo·Oct 27, 1995SaveLearn
Full Phase-Space Analysis of Particle Beam Transport in the Thermal Wave ModelWithin the Thermal Wave Model framework a comparison among Wigner function, Husimi function, and the phase-space distribution given by a particle tracking code is made for a particle beam travelling…R. Fedele, F. Galluccio, V. I. Man'ko et al.·Oct 27, 1995SaveLearn
Polarizabilities of an Annular Cut in the Wall of an Arbitrary ThicknessThe electric and magnetic polarizabilities of an aperture are its important characteristics in the theory of aperture coupling and diffraction of EM waves. The beam coupling impedances due to a small…Sergey S. Kurennoy·Oct 17, 1995SaveLearn
Ultrashort Laser-pulse Diagnostics for Detection of Ordering within an Ion beamA novel diagnostic method to detect ordering within one-dimensional ion beams in a storage ring is presented. The ions are simultaneously excited by a ultrashort pulsed laser ( 1 ps) at two…R. Calabrese, V. Guidi, P. Lenisa et al.·Oct 3, 1995SaveLearn
Linear Orbit Parameters for the Exact Equations of MotionThis paper defines the beta function and other linear orbit parameters using the exact equations of motion. The orbit functions are redefined using the exact equations. Expressions are found for the…G. Parzen·Aug 31, 1995SaveLearn
Coaxial Ring Cyclotron as a Perspective Nuclear Power Engineering MachineThe circuit arrangement of the proposed coaxial ring cyclotron (CRC) is described, and its main advantages, such as simple injection technique, several injected beams summation option, high…A. R. Tumanyan, Kh. A. Simonyan, R. L. Mkrtchyan et al.·Jul 27, 1995SaveLearn
Normal Mode Tunes for Linear Coupled Motion in Six Dimensional Phase SpaceThe motion of a particle in 6-dimensional phase space in the presence of linear coupling can be written as the sum of 3 normal modes. A cubic equation is found for the tune of the normal modes, which…G. Parzen·Jun 7, 1995SaveLearn
Stroboscopic Laser Diagnostics for Detection of Ordering in One-Dimensional Ion beamA novel diagnostic method for detecting ordering in one-dimensional ion beams is presented. The ions are excited by a pulsed laser at two different positions along the beam and fluorescence is…R. Calabrese, V. Guidi, P. Lenisa et al.·May 24, 1995SaveLearn
RFQ-DRL MATCHING SOLUTIONS FOR DIFFERENT REQUIREMENTSThe Radio-Frequency Quadrupole (RFQ) has a FODO lattice and Drift-Tube-Linacs (DTL) in general also have FODO lattices. Therefore the natural solution for the matching between these is a FODO…D. Raparia·May 8, 1995SaveLearn
Polarizabilities of an Annular Cut and Coupling Impedances of Button-Type Beam Position MonitorsThe longitudinal and transverse coupling impedances of a small discontinuity on the accelerator chamber wall can be expressed in terms of the electric and magnetic polarizabilities of the…Sergey S. Kurennoy·Apr 27, 1995SaveLearn
Trapped Modes in the Vacuum Chamber of an Arbitrary Cross SectionIt has been shown that a small discontinuity such as an enlargement or a hole on circular waveguides can produce trapped electromagnetic modes with frequencies slightly below the waveguide cutoff.…Sergey S. Kurennoy, Gennady V. Stupakov·Apr 27, 1995SaveLearn
A General Approach for Calculating Coupling Impedances of Small DiscontinuitiesA general theory of the beam interaction with small discontinuities of the vacuum chamber is developed taking into account the reaction of radiated waves back on the discontinuity. The reactive…Sergey S. Kurennoy, Robert L. Gluckstern, Gennady V. Stupakov·Apr 27, 1995SaveLearn
MONTE CARLO SIMULATIONS OF MUON PRODUCTIONMuon production requirements for a muon collider are presented. Production of muons from pion decay is studied. Lithium lenses and solenoids are considered for focussing pions from a target, and for…R. B. Palmer, J. C. Gallardo, R. C. Fernow et al.·Mar 31, 1995SaveLearn
Muon Transverse Ionization Cooling: Stochastic ApproachTransverse ionization cooling of muons is modeled as a Brownian motion of the muon beam as it traverses a Li or Be rod. A Langevin like equation is written for the free particle case (no external…Richard C. Fernow, Juan C. Gallardo·Mar 31, 1995SaveLearn
Beam Dynamics problems in a muon colliderWe discuss the various beam dynamics problems in muon collider systems, starting from the proton accelerator needed to generate the muon beams and proceeding through the muon storage ring.R. B. Palmer, J. C. Gallardo, R. C. Fernow et al.·Mar 31, 1995SaveLearn
A Study of Influence of Synchrotron Radiation Quantum Fluctuations on the Synchrotron Oscillations of a Single Electron Using Undulator RadiationA single electron circulating in a storage ring is a very peculiar object. Synchrotron radiation quantum fluctuation causes stohastic process in the synchrotron oscillation of an electron. The…A. N. Aleshaev, I. V. Pinayev, V. M. Popik et al.·Mar 29, 1995SaveLearn
Coupling Impedances and Heating due to Slots in the KEK B-factoryThe longitudinal and transverse coupling impedances produced by the long slots in the Low Energy Ring of KEK B-factory are calculated. The power dissipated inside the vacuum chamber due to the fields…Sergey S. Kurennoy, Yong Ho Chin·Feb 21, 1995SaveLearn
Finding matched rms envelopes in rf linacs: A Hamiltonian approachWe present a new method for obtaining matched solutions of the rms envelope equations. In this approach, the envelope equations are first expressed in Hamiltonian form. The Hamiltonian defines a…Robert D. Ryne·Feb 12, 1995SaveLearn
High-Brightness Photocathode Electron SourcesMost present and future electron accelerators require bright sources. Invented less than ten years ago, the photo-injector the principle of which is briefly recalled, has already demonstrated that it…C. Travier·Nov 23, 1994SaveLearn
Candela Photo-Injector Experimental ResultsThe CANDELA photo-injector is a two cell S-band photo-injector. The copper cathode is illuminated by a 500 fs Ti:sapphire laser. This paper presents energy spectrum measurements of the dark current…C. Travier, L. Boy, J. N. Cayla et al.·Nov 22, 1994SaveLearn
Order Corrections to the Classical Dynamics of a Particle with Intrinsic Spin Moving in a Constant Magnetic FieldO() effects that modify the classical orbit of a charged particle are described for the case of a classical spin-1/2 particle moving in a constant magnetic field, using a manifestly covariant…Patrick L. Nash·Nov 19, 1994SaveLearn
Symplectic Computation of Lyapunov ExponentsA recently developed method for the calculation of Lyapunov exponents of dynamical systems is described. The method is applicable whenever the linearized dynamics is Hamiltonian. By utilizing the…Salman Habib, Robert D. Ryne·Nov 1, 1994SaveLearn