Overview of collective effects in the NLC main damping rings

Conference · Thu May 30 00:00:00 EDT 2002

OSTI ID:799609

Wolski, A ^[1]; de Santis, S

---

1. LBNL Library

The present design for the NLC Main Damping Rings (MDRs) meets the specifications for acceptance and extracted emittance, in the limit of zero current. However, the relatively large bunch charge and moderate energy mean that a variety of collective effects can impact the beam dynamics, leading to loss of stability or increase of equilibrium emittance. These effects include intrabeam scattering, impedance from numerous sources, fast ion instability, and (in the positron ring) electron cloud. In this note, we survey the expected impact on damping ring performance from each of a number of collective effects, and discuss the priorities for future studies in this area.

• Research Organization: Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (US)
• Sponsoring Organization: USDOE Director, Office of Science (US)
• DOE Contract Number: AC03-76SF00098
• OSTI ID: 799609
• Report Number(s): LBNL--50510; CBP Note - 425; B& R KA0403011
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
ACCELERATORS
BEAM DYNAMICS
DAMPING
DESIGN
ELECTRONS
IMPEDANCE
INSTABILITY
PERFORMANCE
POSITRONS
SCATTERING
SPECIFICATIONS
STABILITY