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A quantum treatment of bremstrahlung and its application to ribbon pulses

Conference · · AIP Conf. Proc.; (United States)
OSTI ID:6082935
In Part I a straightforward high energy expansion is discussed and applied to the problem of radiation from an extended target. In particular, we discuss bremsstrahlung from an electron-pulse collision. A full quantum treatment of the power spectrum and the average energy loss is given. Scaling laws that smoothly join the quantum regime to the classical limit are derived. In Part II the high energy expansion introduced in Part I is used to describe the problem of beamstrahlung due to an extended pulse with an elliptical cross section of arbitrary eccentricity. We show that the transverse geometry of the pulse enters in a remarkably simple scaling manner. This case is of interest because the radiative energy loss can be markedly reduced while simultaneously keeping a fixed luminosity if the beam pulses are very thin in one transverse direction, i.,e. shaped like ribbons. Effects of other types of beam shaping are briefly discussed, and the physics of the process is emphasized.
Research Organization:
Stanford Linear Accelerator Center, Stanford, CA 94305(US)
DOE Contract Number:
AC03-76SF00515
OSTI ID:
6082935
Report Number(s):
CONF-8707208-
Conference Information:
Journal Name: AIP Conf. Proc.; (United States) Journal Volume: 184:1
Country of Publication:
United States
Language:
English