EGS4 calculations for a PEP-II luminosity monitor
Conference
·
OSTI ID:663291
The Asymmetric B-Factory currently being built at SLAC consists of a 9 GeV electron storage ring and a 3 GeV positron storage ring, known as PEP-II, and a large detector called BABAR. Because the commissioning of PEP-II starts approximately one year ahead of the installation of BABAR, it is desirable to have a dedicated system in place beforehand for measuring and optimizing the luminosity of the colliding beams. Accordingly, the EGS4 Code System has been used in the design of a quartz-glass Cherenkov hodoscope that monitors high-energy showers, initiated by photons emanating from radiative-Bhabba interactions at the Interaction Point located 8.5 meters upbeam. In this paper the authors present the results of a series of EGS4 calculations to determine the spatial resolution of such a detector, as well as to determine if there will be any serious limitations caused by radiation damage.
- Research Organization:
- Stanford Univ., Stanford Linear Accelerator Center, CA (US)
- Sponsoring Organization:
- USDOE Office of Energy Research, Washington, DC (US)
- DOE Contract Number:
- AC03-76SF00515
- OSTI ID:
- 663291
- Report Number(s):
- SLAC-PUB--7621; CONF-9708183--; ON: DE98059123
- Country of Publication:
- United States
- Language:
- English
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