Radiative Corrections to the Azimuthal Asymmetryin Transversely Polarized Moller Scattering
- SLAC
Experiment E158 at SLAC can measure an azimuthal asymmetry in single-spin, transversely polarized Moeller scattering, e{sup -}{up_arrow}e{sup -} {yields} e{sup -}e{sup -}, which arises from a QED rescattering phase. We recompute the leading-order (one-loop) asymmetry, con.rming previous results, and calculate the leading logarithmic QED corrections due to initial-state radiation from the beam and target electrons, and due to final-state radiation. The size of these radiative corrections is quite sensitive to experimental details, such as the acceptance in energy and in polar angle of the scattered electron. For E158, the corrections are modest, increasing the parts-per-million asymmetry by roughly 1%.
- Research Organization:
- Stanford Linear Accelerator Center, Menlo Park, CA (US)
- Sponsoring Organization:
- USDOE Office of Science (US)
- DOE Contract Number:
- AC03-76SF00515;
- OSTI ID:
- 826750
- Report Number(s):
- SLAC-PUB-10345
- Country of Publication:
- United States
- Language:
- English
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