Coherent pair creation as a positron source for linear colliders

Conference · Sun Nov 01 00:00:00 EST 1992

OSTI ID:6921754

Chen, P ^[1]; Palmer, R B ^[2]

---

1. Stanford Linear Accelerator Center, Menlo Park, CA (United States)
2. Stanford Linear Accelerator Center, Menlo Park, CA (United States) Brookhaven National Lab., Upton, NY (United States)

We propose a positron source for future linear colliders which uses the mechanism of coherent pair creation process from the collision of a high energy electron beam and a monochromatic photon beam. We show that there is a sharp spike in the pair-produced positron energy spectrum at an energy much lower than the primary beam energy. The transverse emittance is damped'', yielding final positrons with lower normalized emittance than the initial electrons. Numerical examples invoking conventional lasers and Free Electron Lasers (FEL) for the photon beams are considered.

• Research Organization: Stanford Linear Accelerator Center, Menlo Park, CA (United States)
• Sponsoring Organization: USDOE; USDOE, Washington, DC (United States)
• DOE Contract Number: AC03-76SF00515
• OSTI ID: 6921754
• Report Number(s): SLAC-PUB-5966; CONF-9206193-22; ON: DE93006937
• Resource Relation: Conference: Advanced accelerator concepts workshop, Port Jefferson, NY (United States), 14-20 Jun 1992
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
LINEAR COLLIDERS
POSITRON SOURCES
PAIR PRODUCTION
BEAM EMITTANCE
FREE ELECTRON LASERS
TRANSVERSE MOMENTUM
ACCELERATORS
INTERACTIONS
LASERS
LINEAR ACCELERATORS
LINEAR MOMENTUM
PARTICLE PRODUCTION
PARTICLE SOURCES
RADIATION SOURCES
430301* - Particle Accelerators- Ion Sources