Estimation of Synchrotron-radiation Background Based on a Real Beam Orbit

Some high-energy experiments have suffered from bitter experience on synchrotron-radiation background. As a measure, we have developed a new calculation method of synchrotron radiation based on a real beam orbit, aiming at quantitative estimations of synchrotron-radiation backgrounds, and the construction of a possible alarm system for the background. An explanation and a demonstration of our method are given.
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