Dynamics of charged particles in an adiabatic thermal beam equilibrium

Charged-particle motion is studied in the self-electric and self-magnetic fields of a well-matched, intense charged-particle beam and an applied periodic solenoidal magnetic focusing field. The beam is assumed to be in a state of adiabatic thermal equilibrium. The phase space is analyzed and compare...

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Bibliographic Details
Published in:Physical review special topics. PRST-AB. Accelerators and beams 2011-02, Vol.14 (2), p.024201, Article 024201
Main Authors: Wei, Haofei, Chen, Chiping
Format: Article
Language:English
Subjects:
Adiabatic flow
Charged particles
Equilibrium
Particle beams
Particle motion
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Summary:Charged-particle motion is studied in the self-electric and self-magnetic fields of a well-matched, intense charged-particle beam and an applied periodic solenoidal magnetic focusing field. The beam is assumed to be in a state of adiabatic thermal equilibrium. The phase space is analyzed and compared with that of the well-known Kapchinskij-Vladimirskij (KV)-type beam equilibrium. It is found that the widths of nonlinear resonances in the adiabatic thermal beam equilibrium are narrower than those in the KV-type beam equilibrium. Numerical evidence is presented, indicating almost complete elimination of chaotic particle motion in the adiabatic thermal beam equilibrium.
ISSN:1098-4402
1098-4402
2469-9888
DOI:10.1103/PhysRevSTAB.14.024201