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Threshold current for the transverse single-bunch instability in PEP

Technical Report ·
OSTI ID:5746825
;
The equation for the threshold current for the transverse single-bunch instability predicted by the two-macroparticle model for a bunch with charge of moving in a storage ring under the influence of a constant dipole wake potential and constant transverse beta-function is given. A preliminary estimate of the fraction of the total dipole impedance exterior to the rf cavities is given. Threshold current values were measured at PEP and fitted to the threshold current equation to determine preliminary values for some of the unknown parameters of the equation. Results are given. (WHK)
Research Organization:
Stanford Linear Accelerator Center, CA (USA)
DOE Contract Number:
AC03-76SF00515
OSTI ID:
5746825
Report Number(s):
PEP-NOTE-374; ON: DE83014831
Country of Publication:
United States
Language:
English

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Related Subjects

43 PARTICLE ACCELERATORS
430200* -- Particle Accelerators-- Beam Dynamics
Field Calculations
& Ion Optics
430400 -- Particle Accelerators-- Storage Rings
BEAM CURRENTS
BEAM DYNAMICS
CURRENTS
DIPOLES
ELECTRIC POTENTIAL
IMPEDANCE
INSTABILITY
LIMITING VALUES
MULTIPOLES
NUMERICAL SOLUTION
PEP STORAGE RINGS
POTENTIALS
STORAGE RINGS